... The Savannah River Technology Center (SRTC) of the Savannah River Site is in the planning stages of compiling a geological, geophysical, and seismological data base on an industry standard Geographic Information System (GIS). The system will serve as a tool for management and integration of already collected site data, planning for additional investigations, and for special studies such as seismic hazard and risk analyses for the Savannah River Site (SRS).
Microbial communities are responsible for the bulk of biogeochemical processing in temporary headwater streams, yet there is still relatively little known about how community structure and function respond to periodic drying and re-wetting. Moreover, the ability to sample temporary habitats can be a logistical challenge due to the capability to measure and predict the timing, intensity and frequency of wet-dry events. Unsurprisingly, published datasets on microbial community structure and function are limited in scope and temporal resolution and vary widely in the molecular methods applied. We compared environmental and microbial community datasets for permanent and temporary tributaries of two different North American headwater stream systems: Speed River (Ontario, Canada) and Parkers Creek (Maryland, USA). We explored whether taxonomic diversity and community composition were altered as a result of flow permanence and compared community composition amongst streams using different 16S microbial
Historically, this species is known from seven occurrences in the Ocmulgee River system (no recent specimens, see Sukkestad et al. 2006) of Georgia, one in the Oconee River system, six in the Altamaha River system, one in the Ogeechee River system, six in the Savannah River system, one in the Wateree River, and three in the Santee River system. In a recent survey of the Altamaha River drainage it was found at about 60 occurrences of 276 sites surveyed (G. Keferl pers. comm. 2000). Bogan and Alderman (2004) list the South Carolina distribution as in the Savannah River basin, the Wateree River and the Santee River both in the Cooper-Santee River basin; and the Waccamaw River of the Pee Dee River basin. Recently found in low numbers in three sites in the Pee Dee River drainage (Pocotaligo River at Brewington Lake; Lynches River, Waccamaw River) in South Carolina (Catena Group 2006 ...
Colorado River Flow Charts Wikipedia Colorado River Flow Charts Flowcharts colorado river flow charts Compared to the other services, Gliffy is a bit more barebones. Its a good option when you need to flowchart an idea quickly and easily. You can create any flowchart in just a few clicks. There are basic templates available that make it even easier to reach your final product. However, when you start to get down and fine-tune your flowcharts, the editing process is not as smooth as others, like Lucidchart. There are a few quirks that may slow you down a bit, but snap-on grids and other alignment tools are nice to have. Find Your Next Flowcharts
Rio Tinto Borates is a global leader in industrial mineral supply and science. We provide one third of the world s supply of refined borates, remarkable minerals that are essential to life and to modern living. Rio Tinto Borates is a part of the Rio Tinto Group, a premiere international mining and resources company. We serve more than 1,000 customers in 100 countries who rely on borates to create an extraordinarily diverse range of products.. Rio Tinto Borates distinguishes itself through cutting-edge research and development, world-class safety, environmental and communication practices, and a commitment to constant innovation and improvement. ...
The major rivers in Argentina are the Paraná River, the Uruguay River, the Iguazu River, the Bermejo River, the Pilcomayo River, the Colorado River, the Black River and the Salado River. The longest...
Contacts: Gabriel Singer, Thibault Datry. Climate change and biodiversity in river networks: Launch of the H2020 DRYvER project. Rivers, streams, lakes, wetlands and other aquatic environments are among the worlds most biodiverse ecosystems. They are also those most threatened by human activities. River networks also provide essential ecosystem services - such as drinking water, food and climate regulation - that enhance societys well-being. But climate change and humans growing water needs cause river networks to dry up around the world. The effects on biodiversity, the networks ecological integrity and the ecosystem services they provide are devastating. Today, scientists estimate that more than half of the worlds river networks are going dry, a phenomenon that is worsening dramatically around the planet. And yet, so far the scientific community, natural resource managers and legislators have devoted little attention to drying river networks, which are often not even on the publics ...
The Manawatū River is a major river of the lower North Island of New Zealand. The river has its headwaters to the northwest of Norsewood in the Ruahine Ranges of the Tararua District. It flows initially eastward before turning south-west near Ormondville, flowing 40 kilometres (25 mi) before turning north-west near Woodville. At this point the river enters the Manawatū Gorge. Beyond the gorge it again turns south-west, flowing through the city of Palmerston North, and finally becomes the Manawatū Estuary as it enters the Tasman Sea at Foxton Beach. The river, along with the more northern Whanganui River, gives its name to the Manawatū-Whanganui region. The rivers name comes from the Māori words manawa (heart, spirit) and tū (stand still, or depressed), therefore heart standing still with fear, or depressed spirit. Haunui was in pursuit of his wife and arrived at this river clutching his chest when he named this river. The river is unique among New Zealand rivers, starting on the east side ...
What interesting is that in the subsequent years, no investigative reporting that I know of has done on an in-depth report on the health of the Genesee River? Rarely is there even an article in any local news about the Genesee River. So, what does it mean that the Genesee River does not appear the worst rivers list in American Rivers (www.americanrivers.org)? It does not mean that American Rivers or any other environmental group has come to the Genesee River and conducted a full environmental study. What it does mean that no one has conducted a thorough environmental study on the Genesee River and sent that in to American Rivers. My point: The Genesee River could be very polluted, maybe one of the most toxic polluted rivers in the US. Who, without doing a compressive study, would know? The Genesee River was used as a chemical toilet for decades and few I suspect are drinking the water near our (the Rochester region) end of the river. Without a full testing of all our rivers, we cannot ...
Little is known of the occurrence of pesticides in urban streams compared to streams draining agricultural areas. Water samples from eight urban streams from across the United States were analyzed for 75 pesticides and seven transformation products. For six of the eight urban streams, paired agricultural streams were used for comparisons. The herbicides detected most frequently in the urban streams were prometon, simazine, atrazine, tebuthiuron, and metolachlor, and the insecticides detected most frequently were diazinon, carbaryl, chlorpyrifos, and malathion. In contrast to similar-sized agricultural streams, total insecticide concentrations commonly exceeded total herbicide concentrations in these urban streams. In general, the temporal concentration patterns in the urban streams were consistent with the characteristics of the local growing season. The insecticides carbaryl and diazinon exceeded criteria for the protection of aquatic life in many of the urban streams in the spring and summer. ...
Claims that rural communities and rural authorities in Wales were backwards conceal not only growing sensitivity to industrial river pollution, but also their active efforts to regulate the regions rivers. This article uses evidence from South Wales to explore rural responses to industrial river pollution and to provide the micro-contextualization essential for understanding how environmental nuisances were tackled around sites of pollution. Efforts to limit industrial effluent at both local and regional levels highlight strategies of control, the difficulties of intervention at the boundaries of authorities, and how rural authorities were not always peripheral to an urban metropole. This lack of passivity challenges the idea that river pollution interventions merely displaced rather than confronted the problem of pollution, providing insights into how rural authorities worked, and into how those living in rural communities turned to them to clean-up their environment.. ...
Streamwater nitrate dynamics in the River Hafren, Plynlimon, mid-Wales were investigated over decadal to sub-daily timescales using a range of statistical techniques. Long-term data were derived from weekly grab samples (1984-2010) and high-frequency data from 7 hourly samples (2007-2009) both measured at two sites: a headwater stream draining moorland and a downstream site below plantation forest.This study is one of the first to analyse upland streamwater nitrate dynamics across such a wide range of timescales and report on the principal mechanisms identified. The data analysis provided no clear evidence that the long term decline in streamwater nitrate concentrations was related to a decline in atmospheric deposition only; nitrogen deposition first increased and then decreased during the study period. Increased streamwater temperature and denitrification may also have contributed to the decline in stream nitrate concentrations, the former through increased N uptake rates and the latter ...
Beginning in northwestern Jacksonville, in Duval County, the river starts out as a creek. 0.03 miles (0.048 km) east of the source, the river is crossed by U.S. 1. 0.4 miles (0.64 km) downstream, the creek passes through the subdivision of River Falls. After this, the river widens into wetlands with a multitude of tributaries. 2.3 miles (3.7 km) downstream, a long tributary named the "Little Trout River". It originates at the forest at the corner of U.S. 1 and Interstate 295. 2.1 miles (3.4 km) downstream, Lem Turner Road (State Road 115) crosses the river as the C Ray Greene Bridge. 2.2 miles (3.5 km) downstream, the river becomes brackish. There is also the Ribault River, the longest of the three main tributaries. 0.7 miles (1.1 km) downstream, Interstate 95 crosses the river as the Trout River Bridge. 0.4 miles (0.64 km) downstream is Moncrief Creek, the third and last tributary of the Trout River. 0.7 miles (1.1 km) downstream, U.S. Route 17 crosses the river, spanning 0.2 miles (0.32 km). ...
The surface distribution of CH4, photoproduction capacity of seawater for CO, and CH4 and CO microbial oxidation rates and turnover times were determined for the surface waters of the southeastern Caribbean Sea and Gulf of Paria as affected by the Orinoco River. Measurements were made during the spring (low river flow) and the fall (high river flow) in order to determine the influence of Orinoco River discharge on these parameters. Methane concentrations were generally lower in the fall than in the spring. Low CH4 oxidation rates and similar surface distributions were observed during both seasons. Methane oxidation in the river plume was significantly higher in the fall. Potential CO photoproduction and CO oxidation rates were generally higher during the fall. Possible effects of the Orinoco River on potential CO photoproduction capacity were observed as far as Puerto Rico. Turnover times for CH4 were in the order of years, whereas CO turnover times were in the order of hours. The Orinoco River ...
St. Johns County Commissioner Cyndi Stevenson, who also serves as the River Alliance chairwoman, said this plate is a great way to celebrate the river.. "The St. Johns is one of Floridas most important ecosystems and has an impact on millions of residents," she said.. Stretching 310 miles from west of Vero Beach to Jacksonville, the St. Johns is Floridas longest river.. These tags feature a kayaker on the St. Johns at sunset with a great blue heron in the background.. They are sold through county tax collector offices and through EZtagFL.com. The rebate only applies to new St. Johns River plates, not St. Johns River license plate renewals.. The state charges an extra $25 to buy the specialty plate, but in February and March the River Alliance, which receives the fee, will rebate the $25.. The fee usually goes to the alliance for river restoration, eco-tourism initiatives and community grants that preserve the rivers history, culture and ecology.. The rebate address is St. Johns River ...
The Equilibrium Phosphorus Concentration (EPC0) of river bed sediments has been measured for a wide range of agricultural subcatchments and main river sites across two major eutrophic river basins: the Hampshire Avon and Herefordshire Wye catchments, to examine whether bed sediments are acting as sources or sinks of soluble reactive phosphorus (SRP) under low flows and times of greatest eutrophication risk. A conceptual reach-based model of interactions between bed sediment and river water has been used to estimate relative differences in bed-sediment SRP flux transfers. In this model, processes of SRP uptake and release are assumed to occur within an operationally defined 0.1 m river water boundary layer and the uptake and release of SRP is assumed to be driven by a differential between the EPC0 of the sediment and SRP concentration in the boundary layer. Most of the river monitoring sites in the Wye and Avon catchments had elevated SRP and boron (B) concentrations in the water column at low ...
Splays are common features of many rivers and deltas, forming as a result of overbank flooding and sediment deposition, but they have rarely been described from modern dryland settings. This paper investigates splay formation along the lower reaches of ephemeral rivers on the Northern Plains of arid central Australia. Here, splays vary from small, lobate or tongue-shaped features , 1 km long, to larger, elongate features up to ~ 4 km long, and are supplied with rare floodwater and sediment through well-defined breaches in the upper parts of the main channel banks. In proximal and medial parts, splay channels are incised up to ~ 2 m into pre-splay, fine-grained floodplain sediments but remain elevated between ~ 0.5 m and 2 m above the main channels. Only in the very distal parts are splay channels less deeply incised, either grading into the floodplain surface or terminating as sediment lobes that are deposited upon the floodplain. Aerial photographs and field observations indicate that many ...
Article Spatio-temporal evolutions of precipitation in the Yellow River basin of China from 1981 to 2013. The partial thin plate smoothing splines method was applied to evaluate spatiotemporal trends of precipitation in the Yellow River basin from 19...
water transport - though at the expense of permanently flooding many existing towns (including numerous ancient cultural relics) and causing large-scale changes in the local ecology.. Opponents of the dam point out that there are three different kinds of floods on the Yangtze River: floods which originate in the upper reaches, floods which originate in the lower reaches, and floods along the entire length of the river. They argue that the Three Gorges dam will actually make flooding in the upper reaches of the river worse and have little or no impact on floods which originate in the lower reaches. Twelve hundred years of low water marks on the river were recorded in the inscriptions and the carvings of carp at ...
The River Niger is the longest river passing through Nigeria, and also the longest river in West Africa. It is the third longest river on the African continent, after the Nile and Congo rivers. It extends through 2,597 miles surging through four other countries. Its main tributary is river Benue. The source of the Niger is the Guinea highlands in southeastern Guinea and discharges to the Atlantic Ocean through the Niger delta. The Niger has one of the most unusual routes of any of the major rivers in the world. It follows a northeasterly course towards the Sahara Desert before turning southeast to discharge in the Atlantic Ocean. The unusual geography is because it is two ancient rivers joined together to a single route. Niger river has thirty-six families of fresh water fish and around 250 species within them, of which 20 are unique to this environment. Other Niger fauna include the hippopotamus, three different types of crocodiles (including the Nile crocodile) and a variety of lizards. The ...
Land Protection Plan Bear River Watershed Conservation Area Idaho, Utah, and WyomingFebruary 2013Prepared byU.S. Fish and Wildlife ServiceRegion 6, Mountain-Prairie RegionDivision of Refuge Planning134 Union Boulevard, Suite 300Lakewood, Colorado 80228303/236 8145 U.S. Fish and Wildlife ServiceRegion 1, Pacific RegionDivision of Planning and Visitor Services911 NE 11th AvenuePortland, Oregon 97232503/872 2086CitationU.S. Fish and Wildlife Service. 2013. Land protection plan-Bear River Watershed Conservation Area. Lakewood, CO: U.S. Department of the Interior, U.S. Fish and Wildlife Service, Regions 1 and 6. 227 p.Contents Summary VII Abbreviations XI CHAPTER 1-Introduction and Project Description 1 Introduction 1 Project Description 3 Issues Identified and Selected for Analysis 3 Biological Issues 4 Socioeconomic Issues 4 Administrative and Enforcement Issues for Easements 4 Other Issues 4 National Wildlife Refuge System and Authorities 5 Related Actions and Activities 5 U.S. Department of ...
Land Protection Plan Bear River Watershed Conservation Area Idaho, Utah, and WyomingFebruary 2013Prepared byU.S. Fish and Wildlife ServiceRegion 6, Mountain-Prairie RegionDivision of Refuge Planning134 Union Boulevard, Suite 300Lakewood, Colorado 80228303/236 8145 U.S. Fish and Wildlife ServiceRegion 1, Pacific RegionDivision of Planning and Visitor Services911 NE 11th AvenuePortland, Oregon 97232503/872 2086CitationU.S. Fish and Wildlife Service. 2013. Land protection plan-Bear River Watershed Conservation Area. Lakewood, CO: U.S. Department of the Interior, U.S. Fish and Wildlife Service, Regions 1 and 6. 227 p.Contents Summary VII Abbreviations XI CHAPTER 1-Introduction and Project Description 1 Introduction 1 Project Description 3 Issues Identified and Selected for Analysis 3 Biological Issues 4 Socioeconomic Issues 4 Administrative and Enforcement Issues for Easements 4 Other Issues 4 National Wildlife Refuge System and Authorities 5 Related Actions and Activities 5 U.S. Department of ...
Long-Term Forest Health Monitoring Program in the Eastern Mountains and Rivers Network Evaluation of the Statistical Power to Detect Temporal Trends by Perles Stephanie (ISBN: 978-1-4912-9775-9); Published by CreateSpace Independent Publishing Platformin Aug 2013. Compare book prices on Bookwire.com to buy books from the lowest price among top online book retailers
The Buffalo River Watershed Alliance was formed to prevent pollution of the Buffalo National River watershed through monitoring, advocacy, and public policy initiatives to promote environmentally responsible development and agriculture.
The Department continued to work in the Urban Rivers Team. The team focuses on the Woonasquatucket River until priority issues such as dioxins are controlled.. The Woonasquatucket River watershed encompasses most of the Town of Smithfield as well as parts of North Smithfield, Glocester, Johnston, and Providence. The 18 mile river arises in a rural area, flows into increasingly urbanized territory and ends at Waterplace Park in Providence. The River suffers from the cumulative impacts of industrial contaminants such as dioxins and PCBs in urban stretches. Other problems include excess nutrient loading, abandoned industrial sites, litter and illegal dumping of solid waste. While some stretches of the urban river bank are surprisingly healthy, others are degraded and provide poor habitat.. In 1999, the Department began work with the American Heritage River Steering Committee, the Urban Rivers Team, and the USEPA River Navigator to coordinate watershed efforts and to produce a State of the Watershed ...
Huron River watershed spans a land area of more than 900 square miles and drains water to the Huron River through hundreds of tributary creeks and streams. The river flows more than 125 miles from its headwaters at Big Lake, near Pontiac, to its mouth at Lake Erie. The rivers drainage area includes seven Michigan counties (Oakland, Livingston, Ingham, Jackson, Washtenaw, Wayne, Monroe), 63 municipal governments, and a half million residents. Upstream of Ann Arbor, the Huron is a relatively clean and clear river, making it ideal location to learn about stream ecology via snorkeling.. ...
The National Nuclear Security Administration on Friday reaffirmed its January decision to pick Consolidated Nuclear Security LLC to manage and operate the Y-12 National Security Complex in Oak Ridge and Pantex Plant near Amarillo, Texas.. That earlier decision, announced almost 10 months ago, had been challenged in two rounds of bid protests. Those protests delayed the transition to a new contractor, and it wasnt clear Friday if the NNSAs new decision might also be challenged.. The five-year extendable contract, which could be worth up to $22.8 billion over 10 years, includes project management of the Uranium Processing Facility at Y-12 and an unexercised option for Savannah River Tritium Operations at the Savannah River Site near Aiken, S.C.. "Our nuclear production capabilities are critical to our national security, and CNS represents the best value to the government as evidenced by its superior technical and management approach and its lower evaluated cost," NNSA Acting Administrator Bruce ...
Sigi River is a very important fresh water resource in resident of Tanga region in Tanzania. Sigi River basin is one of the basins within Pangani main catchments contributing most of the recharge water into a man made reservoir named Mabayani Dam.. The SWAT model was applied to the Sigi Basin for modelling of the hydrological water components. The objective of this study is to evaluate the water balance of Mabayani reser-voir (dam) over the range of different years and to asses and evaluate the hydrological com-ponents of the catchments in relation to existing land use and stream flow prediction. The input data for this research were DEM, land use map, soil data, daily precipitation, daily min-imum and maximum temperature, dam management data, daily river discharge and dam wa-ter abstraction.. The sensitivity analysis of the model indicates that some hydrological controlling parameter can be identified without observed data. The sensitivity analysis indicates the flow is more sensitive to ...
Yarram and the surrounding districts water supplies come from Devon North where the Corporation draws water from the Tarra River. Over recent weeks, the river flows on the Tarra have dropped off considerably, which impacts on how much water South Gippsland Water can harvest. South Gippsland Water will ensure that it does not draw too much water from the river and must allow a minimum of 3 mega litres of river (environmental) flows to be achieved each day. Environmental flows are essential to the health and habitat of the river flora and fauna.. As a result of recent low river flows, South Gippsland Water has activated pumping water from its Devon North Bore to the water storage basin at the Water Treatment Plant.. South Gippsland Waters Managing Director, Philippe du Plessis said that, "In recent years South Gippsland Water has installed permanent bore infrastructure at Devon North and acquired a Bulk Water Entitlement. This investment has secured the water supplies for customers supplied by ...
Rivers are the arteries of Earths continents, conveying water, sediments, and solutes from the headwaters to the oceans. They provide a haven for life and have been at the heart of the worlds economy by generating fertile floodplains, human habitats, as well as by facilitating international commerce. This course offers a quantitative examination of rivers, from headwaters to deltas. We will first develop a basic mechanistic understanding of fluvial processes, including flow hydraulics, erosion, sediment transport, and deposition. We will then apply our acquired knowledge through thematic discussions of relevant issues. Possible themes include deltas and climate change, rivers and human activity (damming, sand mining, deforestation), rivers and the evolution of land plants, rivers and biogeochemical cycles, submarine channels, and the alien rivers of Mars and Titan. Taught in even years.. ...
The Cusiana River sub-basin has been identified as a priority conservation area in the Orinoco region in Colombia due to its high species diversity. This study presents an updated checklist and identification key for fishes of the Cusiana River sub-basin. The checklist was assembled through direct examination of specimens deposited in the main Colombian ichthyological collections. A total of 2020 lots from 167 different localities from the Cusiana River sub-basin were examined and ranged from 153 to 2970 m in elevation. The highest number of records were from the piedmont region (1091, 54.0 %), followed by the Llanos (878, 43.5 %) and Andean (51, 2.5 %). 241 species distributed in 9 orders, 40 families, and 158 genera were found. The fish species richness observed (241), represents 77.7 % of the 314 estimated species (95 % CI=276.1-394.8). The use of databases to develop lists of fish species is not entirely reliable; therefore taxonomic verification of specimens in collections is essential. The results
Side-valley tributary fans within the main axial valley river floodplain system are integral components of the sediment assemblage characterizing floodplains in the high-energy Navarro River basin, California. Laboratory analyses of subsurface core and auger samples from four study sites reveal that sediment-size distributions within the floodplain are controlled by spatial and temporal variation in sediment sources and depositional processes. Over 75% of sediment within individual lower-fan strata are poorly sorted and include gravel clasts inferred to be contributions from the side-valley tributary, whereas remaining strata are composed of fine sediment less than 2 mm without gravel. High-water marks indicate that portions of the side-valley tributary fans are episodically inundated by axial valley overbank flow, a factor that influences fan relief and profile. Thus, two dominant sources supply sediment to this transitional environment: side-valley tributaries and the axial valley river. The ...
The Colorado River, measured in length and drainage area, is the largest river wholly in Texas. The river flows across the rolling prairie near San Saba County, enters the more rugged Hill Country and the Llano basin, and passes through a series of canyons before it issues from the Balcones Escarpment at Austin. Historic associations along the Colorado include the rivers use as a route inland by early colonists, including several of the Old Three Hundred who settled on its banks; the establishment of Austin as the seat of government in 1839; and the fact that in 1844, when both England and France were working to prevent the annexation of Texas by the United States, the British minister in Mexico secured a written avowal from Antonio López de Santa Anna to recognize the independence of Texas with the Colorado River as its boundary.[2] ...
Popcorn clouds hovering in the skies over the Brazilian Amazon Rainforest help to highlight the channels of the Amazon River. The rivers mouth can be seen near the image center, where dense brown sediments are being released into the Atlantic Ocean.. The definition of where exactly the mouth of the Amazon is located, and how wide it is, a matter of dispute, because of the areas peculiar geography. The Pará and the Amazon are connected by a series of river channels called furos near the town of Breves; between them lies Marajó, an island almost the size of Switzerland that is the worlds largest combined river/sea island.. ...
Sampling sites. Water and sediment samples were collected from sampling points during 2005 summer and winter seasons. Sampling points were chosen randomly from most accessible sites in the designated area of study. Six water samples were collected from each site (three from the banks and three from the middle except samples S1 and S7 which were taken from the opposite side of the banks). The 6 water samples from each point were collected to make composite samples. Sampling sites which were selected from downstream to upstream for possible sources of pollution are as shown in Fig. 1.. Water sampling. All water samples were collected in triplicate in 2.5 ℓ pre-cleaned Winchester glass bottles from identified 7 sampling points within the Jukskei River catchment area. Prior to use, the bottles were first rinsed with the water samples and then immersed to about 5 cm below the surface. 5 mℓ of concentrated sulphuric acid was added to the water samples for preservation and tightly sealed. Samples ...
Sampling sites. Water and sediment samples were collected from sampling points during 2005 summer and winter seasons. Sampling points were chosen randomly from most accessible sites in the designated area of study. Six water samples were collected from each site (three from the banks and three from the middle except samples S1 and S7 which were taken from the opposite side of the banks). The 6 water samples from each point were collected to make composite samples. Sampling sites which were selected from downstream to upstream for possible sources of pollution are as shown in Fig. 1.. Water sampling. All water samples were collected in triplicate in 2.5 ℓ pre-cleaned Winchester glass bottles from identified 7 sampling points within the Jukskei River catchment area. Prior to use, the bottles were first rinsed with the water samples and then immersed to about 5 cm below the surface. 5 mℓ of concentrated sulphuric acid was added to the water samples for preservation and tightly sealed. Samples ...
Agriculture has long been a major source of income for many people living in the Danube River Basin. But today agriculture is also a major source of pollutants including fertilisers and pesticides, as well as effluent from huge pig farms and agro-industrial units. Animal breeding and manuare disposal are important agricultural point sources of agriculture pollution. Inappropriate agricultural practices in some areas have polluted rivers and groundwater, and led to soil erosion. Many wetlands have been converted into farmland, drained, contaminated or otherwise degraded. Fertile topsoils have also been eroded in many agricultural regions. These changes have affected the structure and biodiversity of ecosystems. Unsustainable agricultural practices also reduce the standard of living for farmers and rural communities in the long term.. The modernisation and intensification of agriculture in the new EU countries is expected to bring about an increase in the loads of agricultural pollutants affecting ...
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Ingham County, Michigan Drainage Commissioner Patrick Linneman is internationally known for his drainage projects. They replace pipes with plants, creating wetlands and fountains for public enjoyment. A floating ecosystem was installed this summer in the longtime polluted but much-improving Chicago River. Not only will it beautify parts of the river, itll help birds, fish and other wildlife to return to the river. Nick Wesley Urban Rivers is our guest.. Chef Mareya Ibrahim has a follow-up to last weeks healthy grilling recipe with a healthy grilled dessert thats perfect for summer celebrations.. ...
Article On site flotation for recovering polluted aquatic systems: is it a feasible solution for a Brazilian urban river?. Pinheiros River (Brazil) plays a pivotal role in supplying water to Billings Reservoir, which presents multiple uses (human dri...
Thousands of wildebeest drown as they cross the Mara river in Kenya on their yearly migration - creating a boon for the rivers ecosystem
USGS research geologist Dr. Susannah Erwin, right, and ecologist Ed Bulliner watch from the back of their boat as they deposit Rhodamine WT water-tracing dye into the Yellowstone River downstream from Glendive on Thursday. The scientists were studying how the dye plume dispersed and drifted down the river to help them better understand the rivers hydrology, particularly how the currents affect fish larval drift.. By Jason Stuart. Ranger-Review Staff Writer. The Yellowstone River turned red on Thursday downstream from Glendive, but it was no biblical plague invading the river, but rather an experiment conducted by government scientists in order to better understand the lower Yellowstones hydrology and specifically how larval fish drift through that section of the river.. Thursdays river dye experiment was undertaken by scientists from the U.S. Geological Survey, most of whom came up for the occasion from the USGSs Columbia Environmental Research Center in Columbia, Mo. Leading the dye ...
TY - JOUR. T1 - Pharmaceutical residues in wastewater treatment works effluents and their impact on receiving river water. AU - Zhou, J. L.. AU - Zhang, Z. L.. AU - Banks, E.. AU - Grover, D.. AU - Jiang, JiaQian. N1 - Originally published in: Journal of Hazardous Materials (2009), 166 (2-3), pp.655-661.. PY - 2009/7/1. Y1 - 2009/7/1. N2 - Various pharmaceutical residues are being discharged from wastewater treatment works (WTW) effluents, the impact of which on river water quality is of high relevance to environmental risk assessment. The concentrations of eleven pharmaceutical compounds were determined in three WTWs in England, and the river Ouse receiving effluents fromScaynes HillWTW. Results showthat five compounds propranolol, sulfamethoxazole, carbamazepine, indomethacine and diclofenac were detected in all wastewater and river water samples, with carbamazepine showing the highest concentrations (up to 2336 ng L-1) in WTW influent. Different compounds were removed to different extent in ...
Savannah River News. Find breaking news, commentary, and archival information about Savannah River From The tribunedigital-baltimoresun
Watershed/Basin: 2,090 square miles (excludes Wolf River Basin). The Fox River has been a major driver of both man and nature since it formed after the last ice age. Lake Sturgeon, and Walleyes run these rivers every spring. For both species it is minor run compared to that of the Wolf River, but never-the-less it is of major importance. Although greatly diminished, waterfowl still congregate on the Fox Rivers backwaters and shallow lakes.. The Fox River begins its life in leisurely flows through a number of shallow lakes, meets the Wolf River at Lake Butte des Morts fans out over Lake Winnebago, before tumbling over the dams and Neenah and Menasha. There it falls rapidly on its way to Green Bay and Lake Michigan.. Long before white settlers came to Wisconsin, Native American gathered Wild Rice, hunted and fished these waters. The river was a major source of navigation and trade for the tribes. With the arrival of French fur traders this only increased. After settlement agricultural and ...
Myakka River Watershed SOR Project, 11644 ha In extreme southeastern Manatee County, much of Sarasota County, and extreme western De Soto County, east of Interstate 75 between County Road 780 and the Sarasota?Charlotte county line. Near the Oscar Scherer State Park IBA to the west. A large area of public and private lands surrounding the Myakka River, from Upper Myakka Lake to within 10 miles (16 km) of Charlotte Harbor. The centerpiece is Myakka River State Park, established in 1936 as one of Floridas first conservation areas. In recent years, the Southwest Florida Water Management District and Sarasota County have been purchasing extensive acreage around the park to buffer it from massive development encroaching from the north and west. All the other sites within this IBA are recent acquisitions, and limited avian data are available. T. Mabry Carlton, Jr. Memorial Reserve also functions as a county wellfield, providing 5?7 million gallons (19?26 million liters) of water per day, while ...
Hai River system: Hai River system, extensive system of tributary streams in northern China that discharge into the sea through the Hai River. The name Hai properly belongs only to the short
Pelly (es); পেলি নদী (bn); Pelly (fr); Пелли (cv); Пелли (ru); Pelly River (de); Abhainn Pelly (ga); رود پلی (fa); Пели (bg); Pelis (lt); 佩利河 (zh-hk); Pelly (sk); Pelly River (pl); riu Pelly (ca); Pelly River (nl); 佩利河 (zh-hant); Пели (sr); 佩利河 (zh); Pelly River (sv); Pelly River (en); Pelly River (ceb); 佩利河 (zh-hans); Afon Pelly (cy) río de Canadá (es); কানাডার নদী (bn); rivière canadienne (fr); נהר (he); rivier in Canada (nl); річка в Канаді (uk); Nebenfluss des Yukon River (de); joki Kanadassa (fi); abhainn i gCeanada (ga); نهر في كندا (ar); stêr eus Kanada (br); river in Canada (en) Pelly River (fr ...
Depositional geometries and distribution patterns of shelf sediment wedges mainly derived from small rivers located in the northern margin of the Alboran Sea, Western Mediterranean Basin, are reported in this study, in order to understand: (1) their generation under particular physiographic and climatic conditions of river basins; (2) the interaction of shallow-water wedges with submarine valleys. A high amount of data has been used in this study, including river discharge and wave climate data, multibeam bathymetry, high-resolution seismic profiles and surficial sediment samples. The eastern shelf of the study area comprises the prodeltaic wedge off the Guadalfeo River and its eastward continuation, interrupted by the deeply indented Carchuna Canyon head. In contrast, the western shelf receives the contributions of a smaller river, the Verde River, whose associated prodeltaic wedge is limited to the inner shelf. Morphological features of both prodeltas are similar and differ from other ...
Do you like getting your hands dirty and learning about the river ecosystem? Then this one-of-a-kind habitat restoration program is an excellent volunteer opportunity for you! Join CWC staff and volunteers every 2nd Saturday of the month for River Health Day events at our habitat restoration site between Laurel Street and Soquel Avenue Bridges. Enjoy a few calming hours engrossed in the river ecosystem. Look out for warblers, bushtits and even a burrowing owl known to frequent the area. Learn about native plants and the plants, animals and insects they support. In 2019, contribute to biodiversity and create a lively and appealing aesthetic for Riverwalk users. Sign up and learn more here.. Are you and your friends, team, community or church group looking for a fun activity to do together? CWC schedules private River Health Days for groups seeking team-building opportunities and a way to give back to Santa Cruz. CWCs Education Team also now leads youth-oriented River Health Days for elementary ...
The healthiest rivers are those that flow freely, beginning from springs and seeps or from snow fields high in the mountains, meandering across floodplains, connecting fish and other species to a wide variety of diverse habitats, changing character by season, and proceeding unimpeded to their ultimate destination (usually the ocean).. Dams and other obstructions fundamentally inhibit rivers from functioning properly. Dams remove water from rivers for electricity generation, domestic and industrial water supply, irrigation, and flood damage reduction. They change the flow characteristics that species and ecosystem processes depend upon, often eliminating triggers for reproduction and growth. And they block the movement of fish and other aquatic species, sediment, and nutrients. Water trapped behind dams in reservoirs and man-made lakes moves slower, has different water temperature and chemistry, and results in reduced species variety and increased risk of predators. Water trapped behind dams also ...
Rivers are generally supersaturated with respect to carbon dioxide, resulting in large gas evasion fluxes that can be a significant component of regional net carbon budgets. Amazonian rivers were recently shown to outgas more than ten times the amount of carbon exported to the ocean in the form of total organic carbon or dissolved inorganic carbon. High carbon dioxide concentrations in rivers originate largely from in situ respiration of organic carbon, but little agreement exists about the sources or turnover times of this carbon. Here we present results of an extensive survey of the carbon isotope composition ({sup 13}C and {sup 14}C) of dissolved inorganic carbon and three size-fractions of organic carbon across the Amazonian river system. We find that respiration of contemporary organic matter (less than 5 years old) originating on land and near rivers is the dominant source of excess carbon dioxide that drives outgassing in mid-size to large rivers, although we find that bulk organic carbon
The Beaverhead River Recreation Management Advisory Committee will meet in Dillon at 10 a.m., Wednesday, Dec. 15, at the Dillon Search and Rescue building. The purpose of the meeting is to complete the committees ground rules, identify common interests and areas of conflict regarding recreation management, and to discuss preliminary data on recreational use of the Beaverhead River. The Beaverhead River Recreation Management Advisory Committee was formed to develop long-term management plans to address recreational use, user conflicts, resource and property damage concerns, and demands upon limited facilities on the Beaverhead River. A similar planning effort is also underway on the Big Hole River.. The meeting is open to the public, but the focus will be on committee members working on specific river issues and gaining an understanding of the preliminary data. For more information, contact Lorie Higgins, facilitator, at (406) 835-2067 or [email protected] ...
River flow forecasting models provide an essential tool to manage water resources, address problems associated with both excesses and deficits, and to find suitable solutions. With changing climate and environmental conditions, real-time methods that rely on data-driven methods of river flow forecasting has become appropriate enabling the use of real data from the recent past rather than relying on models based on the underlying hydrology of the catchment(s). This paper investigates the application of the novel datadriven technique of Gene Expression Programming (GEP) to develop one-day-ahead flow forecasting models for catchments with widely differing characteristics. The method differs from other more hitherto popular data-driven techniques that produce "Black-Box" models in that it generates a transparent model with a mathematical expression for the mapping from input parameters such as antecedent rainfall/runoff to the forecast flow. Four GEP models using GenXproTools® software developed ...
We analyzed microbial respiration and ecoenzyme activities related to organic matter processing in 1879 streams and rivers across the continental US as part of the USEPAs 2008-2009 National Rivers and Streams Assessment. Ecoenzymatic stoichiometry was used to construct models for carbon use efficiency (CUE) and decomposition (-k). The streams and rivers were classified by size (headwaters: 1st-order; streams: 2nd-3rd order; small rivers: 4th-5th order; big rivers 6th-7th order; and great rivers , 8th order), and were grouped into nine national ecoregions. The streams and their catchments represented gradients in catchment land cover, channel sediments, and sediment chemistry against which microbial respiration, carbon use efficiency and organic matter decomposition were compared. There were significant ecoregion and stream size effects in the unbalanced, nested analysis of variance of the microbial variables, with organic matter decomposition and modeled microbial respiration increasing from ...
The surface-water quality in the Cedar River basin was evaluated by analyzing the occurrence, distribution, and transport of common inorganic constituents and selected trace inorganic and organic constituents, with emphasis on herbicides. The surface-water quality of the Cedar River basin was monitored from May 1984 through November 1985. Depth integrated surface-water samples generally were collected monthly at six stations for a considerable range of river discharge. Samples were analyzed for concentrations of common inorganic constituents in the dissolved phase and for concentrations of primary nutrients, trace elements, organic carbon, and herbicides in the dissolved and the dissolved plus suspended phases. Water in the Cedar River was determined to be a calcium bicarbonate type; suspended-sediment concentrations ranged from 3 to 676 milligrams per liter. Concentrations of dissolved fluoride, dissolved nitrite plus nitrate, dissolved arsenic, dissolved lead, and dissolved mercury were less than
According to the River Continuum Concept (RCC), the presence and abundance of functional groups at any point along a lotic ecosystem may be predicted by considering the physical process that formed the streambed and the amount of sunlight occurring at that point. The RCC, proposed by Vannote et al. (1980), predicts that aquatic macroinvertebrate communities will change in functional composition as one moves downstream, further away from the headwaters. Lower order streams are typically narrower and dominated by dense riparian vegetation, which shades the stream and restricts sunlight availability at the stream surface. Energy inputs in low order streams are the result of allochthonous sources, primarily in the form of litter from riparian vegetation. The RCC predicts that the aquatic macroinvertebrate community in such streams should reflect the food sources available in the stream. As a result, the community in lower order streams should be dominated by shredder and collector species. Shredder ...
Medications, personal hygiene, mask-wearing and quarantines all help prevent the spread of viral infections such as the flu, and researchers now suggest that the latter three strategies should be given more attention in plans to deal with pandemics.
The project objectives of the Salt River Ecosystem Restoration Project in Humboldt County are to restore and enhance habitat, support the recovery of special-status species, improve water quality, alleviate flood risks, and sequester carbon. Harvey landscape architects, restoration ecologists, and fish ecologists assisted with planning, design, permitting, and implementation.
Environmental Assessment of the Lower Cape Fear River System, 2013 By Michael A. Mallin, Matthew R. McIver and James F. Merritt August 2014 CMS Report No. 14-02 Center for Marine Science University of North Carolina Wilmington Wilmington, N.C. 28409 Executive Summary Multiparameter water sampling for the Lower Cape Fear River Program (LCFRP) has been ongoing since June 1995. Scientists from the University of North Carolina Wilmingtons (UNCW) Aquatic Ecology Laboratory perform the sampling effort. The LCFRP currently encompasses 33 water sampling stations throughout the lower Cape Fear, Black, and Northeast Cape Fear River watersheds. The LCFRP sampling program includes physical, chemical, and biological water quality measurements and analyses of the benthic and epibenthic macroinvertebrate communities, and has in the past included assessment of the fish communities. Principal conclusions of the UNCW researchers conducting these analyses are presented below, with emphasis on water quality of the ...
Lisboa Springs Fish Hatchery (New Mexico Game and Fish Dept) Reclamation of the campgrounds, roads, and Alamitos Canyon mill site began in the early 1990s and is nearly completed. Reclamation of the Pecos mine began in 1999 and is on going. The Lisboa Springs Fish Hatchery closed, temporarily, in 2000 because the fish were diagnosed with Whirling disease, which is not related to the metals contamination from the Pecos mine. Since reclamation of the Pecos mine, Alamitos Canyon mill, and campgrounds began in 1990-1991, there has been continued monitoring of base metals and trace element concentrations in stream sediments along the Pecos River, extending from the upper Pecos River to below Brantley Dam, north of Carlsbad. In September 1992, the New Mexico Bureau of Mines and Mineral Resources (NMBMMR) personel sampled and analyzed water and stream sediments from the Pecos River at sites near the Pecos Wilderness boundary southward to below Brantley Lake, north of Carlsbad (McLemore et al., 1993). ...
Lisboa Springs Fish Hatchery (New Mexico Game and Fish Dept) Reclamation of the campgrounds, roads, and Alamitos Canyon mill site began in the early 1990s and is nearly completed. Reclamation of the Pecos mine began in 1999 and is on going. The Lisboa Springs Fish Hatchery closed, temporarily, in 2000 because the fish were diagnosed with Whirling disease, which is not related to the metals contamination from the Pecos mine. Since reclamation of the Pecos mine, Alamitos Canyon mill, and campgrounds began in 1990-1991, there has been continued monitoring of base metals and trace element concentrations in stream sediments along the Pecos River, extending from the upper Pecos River to below Brantley Dam, north of Carlsbad. In September 1992, the New Mexico Bureau of Mines and Mineral Resources (NMBMMR) personel sampled and analyzed water and stream sediments from the Pecos River at sites near the Pecos Wilderness boundary southward to below Brantley Lake, north of Carlsbad (McLemore et al., 1993). ...
As you float down the river, particles settle to the river bottom and new ones are picked up. The amount of suspended solids in a river is influenced by how fast the water in the river is flowing. The faster the water flows, the more particles are picked up and carried down the river. The slower the water flows, the more particles will settle to the bottom. Discharge is a measure of how fast water is flowing. You can think about discharge as the number of cubes (one foot on each side) filled with water that pass by a point every second. During certain times of the year, water flows faster and there is more discharge. In spring, when the snow starts melting, a lot of water drains from the land into the river. There also tends to be a lot more rain in the fall. Things humans build on the river can also affect discharge. For example, we build dams to generate hydroelectric power by capturing the energy from flowing water. Dams slow the flow of river water, and therefore they may cause some of the ...
The Manistee River between Tippy Dam and the M-55 Bridge was designated as a National Recreational River in 1996. The river is wide and characterized by steep banks and sharp bends, with a swift current and mostly slow, wide bends.. The river corridor supports a wide variety of recreational activities throughout the year, including hiking on the North Country National Scenic Trail and Manistee River Trail.. In the fall, hunters come from all over to take advantage of the abundant white-tailed deer, waterfowl and small game hunting available along the river.. Anglers are lured by the annual salmon and steelhead runs, as well as brown trout, smallmouth bass and walleye. However, salmon season is particularly busy on the river.. Backwater bayous, extensive riparian areas and mature forest communities provide habitat for a diverse number of wildlife species. The lower Manistee River is considered to be the most extensive and least disturbed remnant of true red-shouldered hawk habitat in the ...
The connection between the marine and riverine systems of the Bronx River has been severed since the 1600s when the first dam was erected at what is now the 182nd Street Dam. Through our stocking efforts, and proposed installation of fish passageways (PDF, 562KB), we will re-establish this connection. Alewife and other diadromous fish will once again be able to pass from river to ocean.. Alewife (Alosa pseudoharengus) and blueback herring are collectively referred to as river herring. They are anadromous fish, which means they live in the ocean as adults and travel upstream into freshwater streams, rivers and lakes to spawn. After adults spawn in the spring, they leave the freshwater within weeks and return to the ocean. The freshly spawned eggs hatch into larvae and develop into juvenile fish that stay in freshwater to feed and grow for 1-4 months. By mid-fall, the juveniles migrate to the ocean where they remain for 3-5 years until they have reached reproductive maturity.. Alewife ...
2016 • 2 years • Conservation & Sustainable Development. International Rivers is a recipient of a MacArthur Award for Creative and Effective Institutions that champions the protection of rivers and defends the rights of communities that depend on them by stopping destructive dams and promoting water and energy solutions for a just and sustainable world. This grant will deepen its engagement on environmental policy development with Chinese hydropower developers. The organization will continue efforts to score and rank systematically major players in the Chinese overseas hydropower industry on their environmental and social policies and project performance; sustain active engagement with hydropower companies including Sinohydro, Gezhouba and Hydrolancang to improve policy standards and increase accountability in the implementation of those standards; and share lessons learned with other NGOs working on a variety of China-focused climate, environment and human rights issues around the ...
Since 1912 concentrations of the major anions and cations (except calcium) in Bear Lake water have shown a steady decrease which has been attributed to a dilution of Bear Lake by Bear River water, Bear Lake having been used as a reservoir for Bear River water since 1918. This study examined the changes which have occurred in Bear Lake water chemistry since 1912 and tested the validity of the dilution theory. Simple water and salinity budgets were determined for the Bear Lake system and used to simulate the effect of Bear River storage patterns since 1918 on the concentrations of sodium, potassium, magnesium, chloride, and sulfate in Bear Lake. Comparison of predicted concentrations with observed concentrations indicates that the dilution theory is a valid one. Field studies were conducted during the spring, summer, and fall of 1971 to describe the distribution of the major ions in Bear Lake with respect to space and time. No significant differences were found between samples collected at ...
Reservoirs on rivers can disrupt organic carbon (OC) transport and transformation, but less is known how river reaches directly below dams contribute to OC processing. We compared how reservoirs and their associated tailwaters affected OC quantity and quality by calculating particulate OC (POC) and dissolved OC (DOC) fluxes, and measuring composition and bioavailability of DOC. We sampled the Yampa River near Maybell, Colorado, USA, and the Green River above and below Fontenelle and Flaming Gorge reservoirs as well as their respective tailwaters from early snowmelt to base flow hydrological conditions. In unregulated reaches (Yampa River, Green River above Fontenelle reservoir), DOC and POC concentrations increased with snowmelt discharge. POC and DOC concentrations also increased with stream discharge below Fontenelle reservoir, but there was no relationship between DOC and stream flow below Flaming Gorge reservoir. The annual load of POC was 3-fold lower below Fontenelle Reservoir and nearly ...
... By considering the fresh water and salt water as different phases in a two-phase flow system, a set of equations are given for describing the salt-water intrusion as well as the mixing between the two phases. In such a way, both stratified type and mixing type phenomena in the river mouth are discussed. Some typical characteristic variables are predicted. One of the advantages of the present analyse is that it is convenient for discussing different types of interactions between fresh water and salt water based on one system.
Wed been talking about them and looking for them, when all of a sudden one leaps up and almost comes into our laps," Neal said.. Wild encounters on the river are what the meander, an educational trip and fundraiser sponsored by the Savannah Riverkeeper, is all about, said Neal, of Bull River Cruises, which provides transportation for the annual expedition.. "When you think of the Savannah River you think of the ports and the issue of harbor deepening and youve heard about (nuclear power) Plant Vogtle," Neal said. "You think its going to be an industrial corridor, but really its an isolated wild river. Thats what makes those issues vital. Its a great viable wild river right at our back door.". Coming up Oct. 3 is the sixth annual meander. Spots on the trip are still available and are open to day trippers and others who cant commit to the whole four-day, 180-mile journey.. Teaching opportunity. The rivers contrasts provide some of the trips best educational opportunities, said Frank Carl, ...
Phosphorus concentrations in the water of the Hyrum reservoir - Little Bear River watershed were determined by collecting 12 samples every two weeks over a seven month period and analyzing them for dissolved orthophosphate, total dissolved phosphorus, and total unfiltered phosphorus. The concentrations obtained were used in conjunction with a water budget to determine a phosphorus budget. Apparent major inputs of phosphorus to the reservoir included a trout farm and runoff from agricultural land in the watershed. Statistical analyses of the data were made to determine what effect precipitation, streamflow, and mileage downstream had on the concentrations of phosphorus in the watershed ...
The Omnibus Oregon Wild and Scenic Rivers Act of 1988 designated 33.8 miles of the North Umpqua as a Recreational River in the National Wild and Scenic River System. That same year, it was designated an Oregon State Scenic Waterway by the Oregon Rivers Initiative. To meet designation criteria the river must be free-flowing and have at least one "outstandingly remarkable value" (a unique, rare, or exemplary feature significant at a regional or national level). This portion of the North Umpqua River contains five Outstandingly Remarkable Values . . .. ...
PLATE, THE RIVER, or RIO DE LA PLATA ( River of Silver ), in South America (see vol. ii. Plate xxv., and vol. iv. Plate xvii,), was at first known as Rio de Solis, after Juan Diaz de Solis, who discovered it in 1515, and lost his life on its banks. The present name, a double misnomer, was bestowed by Sebastian Cabot, who, ignorant that he was on the wrong side of the continent, thought he had reached a country of mineral wealth----a mistake (perpetuated also in the designation Argentine Republic) which may be said to have received a kind of poetic justification in the fact that the distant mines of Potosi lie within the drainage area of the La Plata system. Like Rio Grande do Sul and Rio de Janeiro on the Brazilian coast, this Rio is not a river but a vast estuary into which rivers discharge. At its narrowest it is 23 miles across, opposite Buenos Ayres 31 miles, and opposite Montevideo 63 miles. By some writers the conventional limit between estuary and ocean is drawn from Montevideo, where ...
9TH ANNUAL SUSQUEHANNA RIVER SYMPOSIUM NOVEMBER 21 & 22, 2014 Science & the River Ongoing projects and research in the Susquehanna watershed P RO G R A M W I T H A B S T R AC T S 9th Annual SUSQUEHANNA River Symposium November 21-22, 2014 Elaine Langone Center Bucknell University This symposium brings the public together with scientists, engineers, consultants, watershed groups, and state and federal agencies to share some of the findings of our research within the watershed and discuss the long-term health and sustainability of the Susquehanna River and Chesapeake Bay. CONTRIBUTORS Bucknell University Watershed Sciences and Engineering Program Susquehanna River Heartland Coalition for Environmental Studies Degenstein Foundation U.S. Fish and Wildlife Service W elcome! The Watershed Sciences and Engineering Program of the Bucknell Center for Sustainability and the Environment and the Susquehanna River Heartland Coalition for Environmental Science welcome you to the 9th Annual Susquehanna River ...
The source of suspended sediment, major nutrients, BOD, and organic carbon in the Minnesota River.The effects these sources have on water quality in the Minnesota River.The relationships between suspended sediment, major nutrients, BOD, algal productivity, and organic carbon.The transport of suspended solids, nutrients, and oxygen demanding substances in the Minnesota River.The relative significance of instream sediment sources and non-point sources of pollution. It was determined that run-off was the major source of suspended sediment and nutrients in the Minnesota River mainstem. All the major tributaries were found to be contributors to the loading of nitrates, phosphorus, and suspended sediments. Tributaries in the South-Central and eastern parts of the Minnesota River Basin were found to produce the highest levels of loading due to higher precipitation and run-off. Suspended sediments were found to be mainly composed of silt and clay size particles. Phosphorus and nitrate concentrations ...
Habitat: U.S. distribution: Atlantic, Caribbean, and Gulf drainages of North America, Central America, and South America. Texas distribution: Originally found in large rivers from the Red River to the Rio Grande. Extirpated in several drainages, attributed to reservoirs that impede upstream migration (Hubbs et al. 1991). Warren et al. (2000) listed the following drainage units for distribution of american eel in the state: Red River (from the mouth upstream to and including the Kiamichi River), Sabine Lake (including minor coastal drainages west to Galveston Bay), Galveston Bay (including minor coastal drainages west to mouth of Brazos River), Brazos River, Colorado River, San Antonio Bay (including minor coastal drainages west of mouth of Colorado River to mouth of Nueces River), Nueces River. Hubbs (2002) reported that dams have precluded young eels from repopulating Caddo Lake in northeast Texas ...
The Blanco River winds its way through Wimberley. During the summer, it was very, very low. It was mostly a river of limestone, all along the way. Here, on River Road, there is a one lane, low water bridge. It acts as a slight dam, as well as a way to cross the river. Even here, there were rock islands sticking up, during the summer. I was lucky to get to stop long enough on the bridge to capture some fall color ...
The Yellow River Basin - Water and Land for Food and Fuel? "- Mr. Xie Guanghui, Professor of Biomass Feedstock and Energy Crops, China Agricultural ...
River Bear Sanctuary is a 42 acre riverfront property that backs onto hundreds of acres of Bureau of Land Management land on the Trinity River which is the largest tributary of the Klamath River. The Trinity River once teemed with bountiful runs of salmon and steelhead and was home to the Wintu, Chimariko and Hupa Indian Tribes. The abundance of the regions fishery resources helped support the economy and way of life for all of the people of the region, these impressive fish stocks defined the entire life and culture of the Karok and Yurok Tribes of the lower Klamath River. Restoration of these resources is part of the federal trust obligation to ensure meaningful tribal fishing rights.. The riverfront property is a site of extreme land and river degradation due to mining and dredging operations that continued through the mid 1950s. The owners, Emily and Mark Mattison who purchased the property in 2009 have agreed to allow their property to be a part of the Trinity River Restoration public - ...
Paris has the Seine, Vienna the Danube, and Los Angeles has the LA, river that is. Whoa, what!?!? Los Angeles has a river?. Perhaps river is far too generous of a term for the 52 miles of concrete-lined "waterways" which tumble from the foothills of Los Angeles down to the Port of Long Beach. And yet, locals in this water-starved city have clung to this definition of "river" because theyve got nothing else that even comes close. No one even thinks it ironic that the number one activity enjoyed on the LA River is not boating or fishing, but rather filming car chases for blockbuster Hollywood films. And yet, there are sections of the river that are actually river-like, with flowing water, small islands, and even little fish swimming about. But dont expect to find these more bucolic stretches on your own. Visiting the LA River is pretty much at the bottom of most any tourist itinerary, but if exploring massive concrete public works projects is your thing, you should consider checking out Friends ...
Winsor Lowe, interim director of the University of Montanas Wildlife Biology Program, co-wrote a research paper on how streamwater chemistry varies across a headwater stream network.
SHOSHONE & CLARKS FORK RIVER BASINS Streamflow Forecasts - January 1, 2000 ================================================================================================================================== , <<====== Drier ====== Future Conditions ======= Wetter =====>> , , , Forecast Point Forecast , ==================== Chance Of Exceeding * ====================== , Period , 90% 70% , 50% (Most Probable) , 30% 10% , 30-Yr Avg. , (1000AF) (1000AF) , (1000AF) (% AVG.) , (1000AF) (1000AF) , (1000AF) ====================================================================,=======================,===================================== NF SHOSHONE RIVER at Wapiti APR-SEP 368 411 , 440 85 , 469 512 520 , , SF SHOSHONE RIVER nr Valley APR-SEP 110 146 , 170 63 , 194 230 269 , , SF SHOSHONE RIVER abv Buffalo Bill APR-SEP 84 135 , 170 74 , 205 256 229 , , BUFFALO BILL DAM Inflow (2) APR-SEP 435 563 , 650 81 , 737 865 804 , , CLARKS FORK RIVER nr Belfry APR-SEP 401 469 , 515 87 , 561 629 590 , , ...
Sometimes, the solution needs some creativity. Ensuring reliable clean water supplies from our rivers and streams has been a strategy since the dawn of society. Historically, people built dams to create pools of water so that they could pipe water out of the pool. In many cases these water supplies are now in jeopardy as the dam ages. The question arises- can we remove the dam to restore the river and sustain the reliable water supply? American Rivers is working with communities along the Cape Fear River and the Tuckasegee River in the Carolinas to solve this question. Often, the solution requires big-picture thinking: Our priority is ensuring reliable clean water supplies for people and nature through all our work. It is a balance and area where we are pulling our communities of practice together to solve this problem. Can we use less water? On the Cape Fear River, American Rivers is working with communities to develop strategies- like greater water efficiency and eliminating wasted water- that ...
Major ion chemistry and dissolved inorganic carbon system (DIC, mainly HCO3- and gaseous CO2) in the Luodingjiang River, a mountainous tributary of the Zhujiang (Pearl River), China, were examined based on a seasonal and spatial sampling scheme in 2005. The diverse distribution of lithology and anthropogenic impacts in the river basin provided the basic idea to assess the effects of lithology vs. human activities on water chemistry and carbon biogeochemistry in river systems. Major ions showed great spatial variations, with higher concentrations of total dissolved solids (TDS) and DIC in the regions with carbonate rocks and clastic sedimentary rocks, while lower in the regions with metamorphic sandstones and schists as well as granites. pCO2 at all sampling sites was oversaturated in June, ranging with a factor from 1.6 to 18.8 of the atmospheric concentration, reflecting the enhanced contribution from baseflow and interflow influx as well as in situ oxidation of organic matter. However, in ...
Get this from a library! Review of the St. Johns River water supply impact study : final report. [National Research Council (U.S.). Committee to Review the St. Johns River Water Supply Impact Study.] -- The St. Johns River Water Management District is responsible for managing water resources in the St. Johns River basin, which comprises 23 percent of Florida. Approximately 4.73 million people (one ...
Angara River: Angara River,, river in southeast central Russia. It is the outlet for Lake Baikal and a major tributary of the Yenisey River, which it joins near Yeniseysk. The river flows
The longest river on the land of New Guinea is the Sepik River. The river begins from the Victor Emanuel Range in the central mountains of Papua New Guinea. In a snakelike fashion, just like the Amazon River, the Sepik flows to the Bismarck Sea. Unlike in most other huge rivers, the Sepik has no delta, but it runs straight into the ocean. The total length of the river is 1,126 kilometers or 700miles. It is also considered one of the last surviving undisturbed habitats in the world.. ...
The National Wild and Scenic River System in Blue Mountains forests includes 19 rivers, reflecting the undisturbed nature of the waterways and the scenic canyon topography.. North Fork Crooked River, Ochoco National Forest and National System of Public Lands, Oregon, is a unit of the national wild and scenic river system for 34 miles from its source at Williams Prairie (N44˚16 W120˚14) downstream to Lookout Pasture (N44˚19 W120˚14) and from Big Summit Prairie (N44˚20 W120˚9) downstream to one mile from the confluence with the Crooked River (N44˚8 W120˚14). The eight miles of river through private land in Big Summit Prairie are not part of the designation. Downstream from Big Summit Prairie, the river flows through a deep canyon.. Eagle Creek, Eagle Cap Wilderness and Whitman NF, is a unit of the national wild and scenic river system from Eagle Lake (N45˚8 W117˚20) to the forest boundary (N44˚52 W117˚14). The river is noted for waterfalls and glacial features.. Grande ...
January 12 - March 31, 2013. Drawn from the AGW collection, A River That Separates? brings together a varied group of artists perspectives of the Detroit River over the past 200 years. From renderings by British colonialists hired to map the border, to marine imagery of the rivers role in international trade, to scenes of the river in urban development, the Detroit River has continually been a compelling subject for artists. Their cumulative stories demonstrate how the river has been both an important international border and water route that joins, as much as it separates, our two nations. These artists have created a visual world connected by the river, and their views encourage audiences to recast and reconsider the historical divisions of space we have created in the past - such as our nationalized histories of Canadian art and American art, for example - and to see this river-border as a zone of its own that contests such divisions against lived experience. Click here for hours of ...
Facebook: Muddy River Distillery LLC Twitter: @1stCarolinaRum Instagram: MuddyRiverDistillery www.MuddyRiverDistillery.com Robbie Delaney started Muddy River Distillery in late 2011 and designed and built the one-of-a-kind reflux column stills. Muddy River Distillery is located in Belmont, NC, about 20 minutes west of uptown Charlotte, in an old textile mill on the Catawba River. We distill, age, bottle, wax, and do everything in house. Check out our website www.muddyriverdistillery.com or facebook Muddy River Distillery LLC to see pictures of our facility. Our signature drink: Muddy River Basil Lemonade: Muddle 1 large basil leaf and a lemon wedge in a glass. Fill with ice. Add one shot of Muddy River Carolina Rum and top off with Sprite or soda. Add a splash of simple syrup if you like sweeter drinks and garnish with a lemon and basil leaf. This cocktail is very refreshing. For fall and winter drinks our rum is great with apple cider, coffee, and of course hot buttered rum.. ...
This project is a watershed based TMDL for seven impaired reaches in the Clearwater River Watershed. Four of the reaches are impaired for low oxygen and located on the Clearwater River, County Ditch 57, Poplar River and Walker Brook. Three of the reaches, located on the Clearwater River, Lost River and Silver Creek, are listed for fecal Coliform.
Our study area included the main-stem Trinity River from its upstream limit to anadromous fish migration at Lewiston Dam (River km 180.1) to the confluence of North Fork Trinity River, 64.4 km downstream (Figure 1). Previous studies have divided the river into either a four-or seven-zone system. The seven-zone system was used in 1987 by the United States Fish and Wildlife Service (USFWS) (Stempel 1988) and again in 1988 (Zuspan 1991a) (Table 1) . Prior to this, with the exception of Moffett and Smith 1950, all surveys were based on a system utilizing four zones in the river reach below Lewiston Dam (Gibbs 1956; La Faunce 1965; Rogers 1970, 1973, 1982; Miller 1972, 1973, 1974, 1976, 1978, 1979, 1980, 1981, 1982, 1984, 1985; Smith 1975; Weber 1965). Our 1989-1990 data were collected based on both zone systems. We will summarized data in this report based only on the seven-zone system as it allows comparisons of different river sections in finer detail. By recording data also using the four-zone ...
Abstract. Hydrological functions of river basins are summarized as collection, storage and discharge, which can be characterized by the dynamics of hydrological variables including precipitation, evaporation, storage and runoff. The temporal patterns of each variable can be indicators of the functionality of a basin. In this paper we introduce a measure to quantify the degree of similarity in intra-annual variations at monthly scale at different years for the four main variables. We introduce this measure under the term of recurrence and define it as the degree to which a monthly hydrological variable returns to the same state in subsequent years. The degree of recurrence in runoff is important not only for the management of water resources but also for the understanding of hydrologic processes, especially in terms of how the other three variables determine the recurrence in runoff. The main objective of this paper is to propose a simple hydrologic classification framework applicable to large ...
timestamp": "Sun Feb 16 23:45:27 EST 2020", "locations": [{ "id": "RAWV2", "description": "Nottoway River at Rawlings, VA (RAWV2)", "shortName": "Rawlings", "chartType": "SSTG", "models": [{ "name":"SREF", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is less than 10%", "stageStatusBGColor": "yellow", "stageStatusDescription": "Action Stage: A river or lake level below flood but where you should prepare for potential flooding" } }, { "name":"NAEFS", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is less than 10%", "stageStatusBGColor": "yellow", "stageStatusDescription": "Action Stage: A river or lake level below flood but where you should prepare for potential flooding" } }, { "name":"GEFS", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is less than 10%", "stageStatusBGColor": "yellow", ...
timestamp": "Sat Feb 29 06:23:48 EST 2020", "locations": [{ "id": "ELRP1", "description": "Allegheny River at Eldred, PA (ELRP1)", "shortName": "Eldred", "chartType": "SSTG", "models": [{ "name":"SREF", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is less than 10%", "stageStatusBGColor": "yellow", "stageStatusDescription": "Action Stage: A river or lake level below flood but where you should prepare for potential flooding" } }, { "name":"NAEFS", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is less than 10%", "stageStatusBGColor": "yellow", "stageStatusDescription": "Action Stage: A river or lake level below flood but where you should prepare for potential flooding" } }, { "name":"GEFS", "status":{ "whichDot": "gr_circle.png", "stageStatusText":"Estimated Chance River Will Rise Above Action Level is 21%", "stageStatusBGColor": "yellow", "stageStatusDescription": ...
May 24, 2013. JM, Jim and Nathan, LRRD fabricators/prototypers, at River Rally 2013. Nathan, Jim, JM and I spent last weekend exhibiting our Em2 at the River Networks annual River Rally. We met people from all over the country who are dedicated to river conservation - a ...
... Literally the heartbeat of South Africa, the Vaal River water system is not only crucial to human life, but to agriculture, industry, aquaculture and an entire aquatic ecosystem.. Senior Golder Associates scientist Priya Moodley says: Water quality management is a challenge that requires reconciling economic and community benefits with protecting and sustaining the water system. Its a precious resource that needs expert management.. With vast experience across the water systems of South Africa, Golder is currently involved in more than 40 projects that cover the full scope of water management services. Between 2006 and 2009, one of these projects took Golders Water Resources Division on a 1 200 km journey from Mpumalanga to the Northern Cape. We were commissioned by the Department of Water Affairs (DWA) to develop an integrated water quality management plan for the Vaal River system, explains Golders Principal Water Engineer, Trevor ...
This page provides information about the Ashtabula River watershed, the Chagrin River watershed and several direct tributaries to Lake Erie.
Originating in the Bolivian and Peruvian Andes, the Madeira River is the largest tributary of the Amazon River in terms of discharge. Andean rivers transport large quantities of nutrient-rich suspended sediments and are the main source of phosphorus (P) to the Amazon basin. Here, we show the seasonal variability in concentrations and loads of different P forms (total, particulate, dissolved, and soluble reactive P) in the Madeira River through 8 field campaigns between 2009 and 2011. At our sampling reach in Porto Velho, Brazil, the Madeira River transports similar to 177-247 Gg yr(-1) of P, mostly linked to particles (similar to 85%). Concentrations and loads of all P forms have a maximum at rising waters and a minimum at low waters. Total P concentrations were substantially higher at a given discharge at rising water than at a similar discharge at falling water. The peak of P concentrations matched the peak of rainfall in the upper basin, suggesting an influence of precipitation-driven ...
View Notes - 09 Rivers & Flooding from CIVIL CIVL at HKU. (I) Rivers & Flooding Rivers are bodies of surface flowing water confined within a channel Hydrologic cycle (refer to notes) Rivers as