• This 58-page PDF document from the US Bureau of Land Management assesses the potential impacts of coalbed methane development on water resources in Montana's Powder River Basin. (carleton.edu)
  • Since the fluoride concentration in the shallow groundwater of the Weigan River Basin, China, exceeds this level, this study explored fluoride's sources and enrichment mechanism for this basin. (mdpi.com)
  • The Amazon gets more rainfall than any other river basin in the world, and the seasonal water cycle is so strong that seasonal changes in North America, for instance, look small by comparison. (nasa.gov)
  • Through frequency ratio and MaxEnt modeling, flood sensitivity was determined in the Amu Darya River Basin in Badakhshan Province, Afghanistan. (lu.se)
  • Groundwater use by the agricultural sector, recreation, municipalities, and even Anza-Borrego Desert State Park cumulatively required four times as much water as what can naturally recharge in the basin. (wikipedia.org)
  • California law typically requires that anyone seeking to divert water from streams and rivers to lands where it can "recharge" groundwater basins must obtain a water rights permit from the State Water Resources Control Board. (ktla.com)
  • For example, the groundwater recharge rate could be used as a depth-rate index to show how large withdrawals are relative to that recharge. (usgs.gov)
  • Examples are presented for depth-rate indexes corresponding to recharge, to spatially variable stream baseflow (normalized by basin area), and to the average rate of water-table decline (scaled by specific yield). (usgs.gov)
  • Wellfootprint computes a raster map of groundwater withdrawals relative to a user-defined "Depth-Rate Index" (DRI), such as a recharge rate. (usgs.gov)
  • In this photo provided by the California Department of Water Resources, Don Cameron, general manager of Terranova Ranch, poses as recharge water stands in this fallow field at Terranova as part of a groundwater recharge system designed to divert floodwater from the Kings River in Fresno County, on March 13, 2023. (wowktv.com)
  • The 70-year-old has spent more than a decade building and expanding a system to divert floodwaters from nearby rural communities and is a pioneer in the practice of on-farm recharge, or flooding agricultural lands during rainy periods to help restore the groundwater basin. (wowktv.com)
  • Groundwater recharge projects are a "critical, important part of our infrastructure future," Crowfoot said. (wowktv.com)
  • Rather than big flashes of heavy rain, slow and steady rainstorms, spaced out by one to two weeks are optimal, since this allows temporary capture of stormwater behind Prado Dam in Riverside County and subsequent release of the captured stormwater to flow down the Santa Ana River and be diverted into groundwater recharge basins in Orange County, owned and managed by OCWD. (ocwd.com)
  • The capture of stormwater behind Prado Dam and recharge of this water into the groundwater basin is the most economical way for us to replenish local water supplies," stated Denis Bilodeau, P.E., OCWD President. (ocwd.com)
  • In addition to stormwater, the rains bring incidental recharge, which is rain that falls on OCWD's service area (229,000 acres) and percolates naturally into the basin through permeable surfaces. (ocwd.com)
  • By maximizing stormwater capture, expanding its recharge system, enhancing groundwater management, building water infrastructure projects, and increasing the production of recycled water, the Orange County Water District has helped to strengthen water reliability for the region. (newsantaana.com)
  • The basin's lower portion includes the valleys of Ojos Negros and Real del Castillo Viejo, which are crossed by several ephemeral washes, including the mainstem El Barbon Wash. A distributed catchment model with the capability for nonlinear channel routing and channel abstraction is used to calculate groundwater recharge by channel infiltration for storm events of 2-, 5-, 10-, 25-, 50-, and 100-yr return period. (sdsu.edu)
  • The latter consists of the following: (1) horizontal recharge by groundwater inflow, (2) vertical recharge by land surface infiltration, and (3) vertical recharge by channel infiltration. (sdsu.edu)
  • Therefore, it is necessary to search for alternative ways to augment the basin recharge, so that the irrigation demands may be met without incurring an overdraft. (sdsu.edu)
  • Major surface drainages that contribute influx or recharge to the basin include San Antonio Creek and the various tributary streams that drain the East End of the Ojai Valley and flow into San Antonio Creek. (obgma.com)
  • He obtained his Ph.D. in Water Resources Engineering, where he specialized in groundwater management, water harvesting techniques, and groundwater artificial recharge. (lu.se)
  • Surface Area: 336,000 acres (525 square miles) Basin Boundaries and Hydrology Indio Subbasin is located northwest of the Salton Sea and receives low precipitation, averaging about 6 inches per year, and a wide range of temperatures. (edocr.com)
  • The research results were published in Journal of Hydrology , titled "Evolution characteristics of groundwater and its response to climate and land-cover changes in the oasis of dried-up river in Tarim Basin. (phys.org)
  • During his time at Stanford, he focused on the application of remote sensing techniques in the field of hydrology and groundwater hydrology. (lu.se)
  • The total surface area of this basin is 150,000 acres (240 square miles), encompassing three aquifers throughout the valley. (wikipedia.org)
  • Groundwater issues addressed include reduction in hydrostatic head in coal aquifers, quantities of produced water and disposal options, impacts to alluvial aquifers and ground-water recovery potential. (carleton.edu)
  • PCA was used to reduce the data into three components that describe differences in ionic strength, groundwater compositions, reflecting interaction with volcanic and/or carbonate rock aquifers, and redox characteristics. (geoscienceworld.org)
  • One of the projects, located in Fresno County, will construct 60 wells that will be used to replenish depleted groundwater aquifers with stormwater. (californiaagnet.com)
  • that is, they show how much more or less water is tied up in lakes and rivers, groundwater aquifers, soil moisture, snow, and glaciers. (nasa.gov)
  • These deposits of sand and gravel, thick¬est closest to the mountains in the northeastern portion of the basin, are largely responsible for filling the Ojai Basin over time and forming the water-bearing aquifers of the basin. (obgma.com)
  • Groundwater is a critical resource in Arizona, and changes in demand for groundwater have given rise to growing concern about the long-term resilience of some of the state's aquifers. (asu.edu)
  • Arsenic enters aquifers through the dissolution of minerals and ores, resulting in high concentrations in groundwater in some areas. (who.int)
  • The Jan. 31, 2020, deadline was set by the Sustainable Groundwater Management Act (SGMA), which the California Legislature approved in 2014. (edf.org)
  • SGMA deliberately gave local communities the power to figure out how to manage their groundwater more sustainably and stop over-pumping - an increasingly common practice that has led to negative local impacts including water quality degradation and subsidence in some areas. (edf.org)
  • Not all groundwater basins are created equal: Some have more local funding to create groundwater plans as required by SGMA, which can cost as much as $1 million or more. (edf.org)
  • A new online forum on the Groundwater Exchange website aims to be a central hub of SGMA information and a place for groundwater managers to share experiences. (edf.org)
  • The Sustainable Groundwater Management Act (SGMA) requires local governments and water agencies in California's high and medium priority groundwater basins, as defined by the California Department of Water Resources (DWR), to form Groundwater Sustainability Agencies (GSAs). (slofarmbureau.org)
  • This funding provides important assistance for successful local implementation of the Sustainable Groundwater Management Act (SGMA), which establishes a framework for managing the state's groundwater resources and will help California be better prepared for longer, more severe droughts. (californiaagnet.com)
  • The Ukiah Valley Basin Groundwater Sustainability Agency (GSA) was created by a Joint Powers Agreement to serve as the official Groundwater Sustainability Agency for the Ukiah Valley Basin required by the Sustainable Groundwater Management (SGMA) Act of 2014. (ukiahvalleygroundwater.org)
  • What agencies are involved in SGMA activities in the Western Management Area of the Santa Ynez River Valley Basin? (santaynezwater.org)
  • California Gov. Gavin Newsom signed an executive order Friday aimed at removing administrative barriers to collecting rain and snowmelt from the latest storm to replenish the state's groundwater supplies. (ktla.com)
  • A field that has long grown tomatoes, peppers and onions now looks like a wind-whipped ocean as farmer Don Cameron seeks to capture the runoff from a freakishly wet year in California to replenish the groundwater basin that is his only source to water his crops. (wowktv.com)
  • Other sources used to replenish the Orange County Groundwater Basin, which provides 2.4 million people in north and central Orange County with 75 percent of their water supply, include recycled water from the Groundwater Replenishment System, Santa Ana River water and imported water. (ocwd.com)
  • Its primary responsibility is to protect basin water quality, manage pumping and replenish what is taken out. (ocwd.com)
  • The Oregon Health Authority along with the Oregon Department of Human Services said Friday that the agencies have turned to door-to-door canvassing to increase domestic well testing in the Lower Umatilla Basin Groundwater Management Area. (opb.org)
  • Goldfarb is the Lower Umatilla Basin Groundwater Management Area's public health coordinator and the environmental public health section manager for the Oregon Health Authority. (opb.org)
  • The average amount of precipitation gained in the Borrego Valley basin is usually less than 5 inches, and falls throughout the year, due to the climate being mostly the same year-round. (wikipedia.org)
  • shallow groundwater may be more vulnerable to surficial contamination. (usgs.gov)
  • As a part of an extensive Monitoring, Verification, and Accounting (MVA) program, shallow groundwater monitoring is being conducted to verify that project activities are protective of human health and the environment (Figure 2).Shallow regulatory compliance wells were installed in thin sandstone of the Pennsylvanian-age bedrock that was designated by the regulatory agency as the lowermost underground source of drinking water (USDW). (illinois.edu)
  • As of 2016, the California Department of Water Resources split this basin into two sub-basins, Borrego Springs and Ocotillo Wells. (wikipedia.org)
  • Experts say groundwater basins account for roughly 41% of California's average annual water supply, but unlike above-ground reservoirs, they are not directly tied to mountain snowmelt and take much longer to fill. (ktla.com)
  • About one third of Earth's largest groundwater basins are being rapidly depleted by human consumption, despite having little accurate data about how much water remains in them, according to two new studies led by the University of California, Irvine (UCI), using data from NASA's Gravity Recovery and Climate Experiment (GRACE) satellites. (earthscape.org)
  • A groundwater study advisory committee , which included local water users and other interested stakeholders, was jointly appointed by the Department and the County Court to receive updates and provide input into the study. (oregon.gov)
  • The volumetric value for the line item for the 2010-11 year was 22,806 ML. The line item represents groundwater allocation announcements for urban water systems in the Murray-Darling Basin (MDB) region. (bom.gov.au)
  • Water sharing plans were yet to commence or data were unavailable for the groundwater SDL areas listed in the following table. (bom.gov.au)
  • Groundwater is the main source of drinking water for residents in the area. (opb.org)
  • A simple method is proposed to visualize the magnitude of groundwater withdrawals from wells relative to user-defined water-resource metrics. (usgs.gov)
  • Large groundwater withdrawals in the Azraq Oasis area, Jordan, have contributed to declining water levels in wells. (usgs.gov)
  • The GAMA Priority Basin Project is being conducted by the California State Water Resources Control Board in collaboration with the U.S. Geological Survey and the Lawrence Livermore National Laboratory. (usgs.gov)
  • This status assessment is intended to characterize the quality of groundwater resources in the primary aquifer system of the Borrego Valley, Central Desert, and Low-Use Basins of the Mojave and Sonoran Deserts study unit, not the treated drinking water delivered to consumers by water purveyors. (usgs.gov)
  • Relative-concentrations (sample concentration divided by the health- or aesthetic-based benchmark concentration) were used for evaluating groundwater quality for those constituents that have Federal or California regulatory or non-regulatory benchmarks for drinking-water quality. (usgs.gov)
  • The study explores the regional hydrogeologic setting, as well as using computer modeling to forecast anticipated impacts to the local groundwater and surface water resources. (carleton.edu)
  • That's even more the case during drought years, when groundwater accounts for up to 60% of the state's water supply, compared with 40% in non-drought, said Wade Crowfoot, secretary of California's Natural Resources Agency. (wowktv.com)
  • Hoping to reverse that trend, valley water agencies have built basins to try to capture water in rainy years and allow it to seep back into the ground. (wowktv.com)
  • By this time next year, 21 critically over-drafted groundwater basins in California must submit plans to the state's Department of Water Resources for how to bring their basins back into balance. (edf.org)
  • After creating a water budget and deciding who gets how much water , groundwater basins need robust, transparent, and cost-effective monitoring and information systems that use solid science to inform decision-making and engage a broad range of stakeholders. (edf.org)
  • To truly balance groundwater supply and demand, groundwater sustainability plans must include conjunctive management programs, which are programs that integrate groundwater and surface water management . (edf.org)
  • They must also employ adaptive management strategies that address changing needs - think drought versus high-water years - and incorporate enhanced understanding of the basin over time. (edf.org)
  • But with nearly two dozen groundwater basins working hard to meet the Jan. 31, 2020, deadline, water managers and community members still have the opportunity to learn from each other. (edf.org)
  • Restrictive Structures The west-trending Banning and Garnet Hill faults, along with the northwest- trending San Andreas fault, are effective barriers to groundwater because of folded or displaced water bearing deposits and impermeable fault gouge (DWR 1964). (edocr.com)
  • Water level data indicate that groundwater cascades over this bedrock constriction. (edocr.com)
  • Groundwater Level Trends Prior to 1949, water levels steadily declined because of pumping. (edocr.com)
  • Tyley (1974) also computed average annual decrease of groundwater storage based on water level changes for the period of 1953 to 1967 as 33,000 af/yr. (edocr.com)
  • Extensive quality analyses of these data, including inversion to conductivity vs. depth (conductivity-depth-transform or CDT) profiles and comparisons with electrical well logs, show that the electrical conductor mapped represents the subsurface water-bearing sediments throughout most of the basin. (usgs.gov)
  • Although the water in the basin is unusually conductive, averaging 338 microsiemens per centimeter, reasoning cited below suggests that the contribution of clays to the overall conductivity would be relatively small. (usgs.gov)
  • Due to this permitted deviation, OCWD has been able to capture 100% of Prado Dam release flows totaling more than 30,000 AF since December 15, 2016 and put the water back into the Orange County Groundwater Basin. (ocwd.com)
  • OCWD uses stormwater as one source of water to fill the groundwater basin it manages. (ocwd.com)
  • Over the years, OCWD has managed the basin in a sustainable manner to ensure the region's water future and has more than doubled its annual output. (ocwd.com)
  • Groundwater is crucial for agricultural, ecological and domestic water use, and its depletion under climatic and anthropogenic impacts can impose challenges on regional water resources and ecological security, particularly in arid regions. (phys.org)
  • Decreasing riverbank leakage and increasing volume of evapotranspiration, groundwater pumping and water drainage led to decreasing groundwater level . (phys.org)
  • The study of geochemical processes and integrated water flow can help identify groundwater sources and improve predictions of contaminant fate and transport in groundwater systems. (geoscienceworld.org)
  • Since this time, many studies on groundwater flow, geology, and geochemistry related to the NTS and the surrounding region have been conducted to evaluate the potential for contaminant migration into the underlying ground-water systems within southern Nevada and eventually Death Valley in California (e.g. (geoscienceworld.org)
  • The current study evaluated the quality of local Kabul Basin groundwater to determine its suitability water for drinking and irrigation purposes now and into the future. (unl.edu)
  • The results of our physicochemical analysis illustrate that groundwater in the majority of areas of the Kabul Basin is not generally suitable for human consumption, and in some cases the concentrations of many contaminants are higher than accepted health standards or water quality benchmarks. (unl.edu)
  • Groundwater in the Kabul Basin is typically high in calcium and magnesium and overall classified as a calcium bicarbonate water type. (unl.edu)
  • The results show that based on WQI, without treatment, roughly 5% of groundwater in the studied area is unsuitable for human consumption, while 13.3% is very poor and 40% is poor quality water. (unl.edu)
  • Approximately 40% of the assessed groundwater has good quality and could be used as drinking water for future development. (unl.edu)
  • Groundwater, an important source of water that is stored underground, often serves as a critical buffer against the impacts of drought and climate change. (californiaagnet.com)
  • This grant funding supports projects that enhance groundwater quality, help make groundwater wells more reliable and less likely to run dry, reduce the risk of subsidence, increase drought resiliency, reduce flood risks, and create more reliable dry-year water supplies during future droughts. (californiaagnet.com)
  • The basin outlet is in the same geographical location for both surface and ground water. (sdsu.edu)
  • The Amazon basin receives significantly more water during the rainy season, so the equivalent height (or mass) of water is greater. (nasa.gov)
  • About one third of Earth's large groundwater basins are being rapidly depleted by human consumption even though we have little accurate data about how much water remains in them. (nasa.gov)
  • Woodard & Curran, Inc. (formerly RMC Water & Environment) proposal for the Paso Robles Sub-Basin Groundwater Sustainability Plan Development. (ca.gov)
  • Approximately 149 wells in the basin supply water to tree crops (mostly citrus and avocados), residents, and businesses in the City of Ojai and surrounding areas. (obgma.com)
  • Some water from the basin is also naturally discharged to San Antonio Creek, supplying native habitats and the animals they support, as well as downstream water users. (obgma.com)
  • The Ojai Basin a relatively deep, bowl-shaped basin, which is bounded on the west and east by non-water-bearing Tertiary aged rocks, on the south by the Santa Ana Fault and Black Mountain, and on the north by the Topatopa Mountains. (obgma.com)
  • Groundwater in the rest of the aquifer system is, depending on the amount of water in storage and groundwater level position, mostly confined to semi-confined in the central, southern, and western portions of the basin. (obgma.com)
  • Note: A groundwater basin's maximum capacity does reflect the amount of available water. (obgma.com)
  • For example, in just seven months, between March 2012 and October 2012, water levels in the Ojai Basin dropped 84 feet. (obgma.com)
  • Formed in 2001, the Groundwater Banking Authority (GBA) was established to develop locally supported groundwater projects to strengthen water supply reliability in Eastern San Joaquin County. (gbawater.org)
  • The Kyl Center for Water Policy's new Arizona Groundwater Level Change App shows what's happening in sub-basins across the state - where groundwater levels are rising or declining and where more data may be needed. (asu.edu)
  • The data for this powerful new tool are derived from the Arizona Department of Water Resources' Statewide Groundwater Level Changes report (Open-File Report No.18, December 2020). (asu.edu)
  • Amadou Allay, 22, walks through an area of the Lake Chad basin that was once covered in water over 30 years ago, but has now been overtaken by sand, in Broumbya Village outside of Baga Sola, Chad February 2017. (janehahn.com)
  • Drinking-water from surface sources does not normally contain high concentrations of arsenic, unless those supplies come from arsenic-contaminated irrigation groundwater. (who.int)
  • Title : Missouri drainage basin program for control of water pollution Personal Author(s) : Schwob, Carl E.;Hopkins, Glen J. (cdc.gov)
  • However, the groundwater pathway should be investigated further if, in the future, residents move to the area and use groundwater as drinking water. (cdc.gov)
  • Hossein's research interests mainly revolve around remote sensing, artificial intelligence, climate change, and surface water and groundwater management. (lu.se)
  • Today's funding awards further the state's support for local leaders as they manage their groundwater supplies, particularly supporting communities at risk of drought impacts. (californiaagnet.com)
  • Borrego Valley is groundwater basin 7-24 with California's Colorado River hydrologic region. (wikipedia.org)
  • The northwestern boundary of the subbasin is a bedrock Hydrologic Region Colorado River California's Groundwater Coachella Valley Groundwater Basin Bulletin 118 Last update 2/27/04 constriction that projects from the flank of San Jacinto Peak and extends northward beneath the subbasin deposits. (edocr.com)
  • That plan will then be the framework for developing a sustainable groundwater plan under California's Sustainable Groundwater Management Act . (scsengineers.com)
  • California's current drought conditions following a second consecutive dry year speak to the importance of managing our groundwater for long-term reliability," said DWR Director Karla Nemeth. (californiaagnet.com)
  • In terms of the long-term average, however, amount of groundwater in storage has been fairly stable. (obgma.com)
  • In the mountainous portions of the basin, mean annual precipitation is 475 mm, based on 15 yr of data at San Juan de Dios Norte (1970-84). (sdsu.edu)
  • Unconfined conditions exist in the northern and eastern portions of the basin, in the areas of the alluvial fan heads. (obgma.com)
  • The GAMA Borrego Valley, Central Desert, and Low-Use Basins of the Mojave and Sonoran Deserts study was designed to provide a spatially unbiased assessment of the quality of untreated (raw) groundwater in the primary aquifer system. (usgs.gov)
  • The primary aquifer system was defined by the depth intervals of the wells listed in the California Department of Public Health database for the Borrego Valley, Central Desert, and Low-Use Basins of the Mojave and Sonoran Deserts study unit. (usgs.gov)
  • The GSAs are responsible to develop and implement Groundwater Sustainability Plans (GSPs) for the sustainable management of the groundwater resources. (slofarmbureau.org)
  • Invitation to submit proposal for the Paso Robles Sub-basin Groundwater Sustainability Plan Development. (ca.gov)
  • Luhdorff & Scalmanini Consulting Engineers proposal for the Paso Robles Sub-Basin Groundwater Sustainability Plan Development. (ca.gov)
  • Groundwater quality in the approximately 963-square-mile Borrego Valley, Central Desert, and Low-Use Basins of the Mojave and Sonoran Deserts study unit was investigated as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. (usgs.gov)
  • It is hoped that once the magnitude of channel infiltration is recognized, it will encourage the conjunctive use of the basin's surface and groundwater resources. (sdsu.edu)
  • WRD and the USGS hosted an in-person public meeting on November 3, 2022, to give some background on why a study was needed, some key study findings and some next steps that can be taken to stabilize groundwater declines in the basin. (oregon.gov)
  • The Ojai Basin is located in the Ventura River watershed in Ventura County. (obgma.com)
  • Groundwater Model Development - Ojai Basin, Ventura County, California. (obgma.com)
  • Hydrogeology of the Ojai Groundwater Basin: Storativity and Confinement, Ventura County, California. (obgma.com)
  • Borrego Valley Groundwater Basin, located in the very southern region of California, is one of the driest basins in the state. (wikipedia.org)
  • The Borrego Valley Groundwater Basin is housed underneath the Borrego Valley, which lies in both San Diego and Imperial counties of southern California. (wikipedia.org)
  • From 1945 to 2010, a decline of up to two feet per year in groundwater levels occurred, mainly in the northern area of Borrego Valley, where agriculture predominates. (wikipedia.org)
  • abstract = "The Midwest Geological Sequestration Consortium is conducting the Illinois Basin - Decatur Project (IBDP), a large-scale carbon capture and storage (CCS) project in Decatur, Illinois, USA. (illinois.edu)
  • The mean annual precipitation for El Barbon basin as a whole is estimated at about 440 mm, which amounts to an annual moisture supply of 480 × 10 6 m 3 . (sdsu.edu)
  • This included studying various aspects such as precipitation, groundwater, and subsidence. (lu.se)
  • In the upper part of the subbasin, groundwater is unconfined, whereas to the south and southeast groundwater is mostly confined except on the edges of the subbasin where unconfined conditions are found. (edocr.com)
  • To access the Fillmore and Piru Basins GSA online database, click here . (fpbgsa.org)
  • Discharges of heavy metals have adversely impacted fish and other aquatic life in the Carpenter Creek drainage basin. (cdc.gov)
  • State officials say they have ramped up nitrate testing in Eastern Oregon, where longstanding groundwater pollution has contaminated residents' wells. (opb.org)
  • Depth to groundwater varies widely in the southeast part of the subbasin and some wells historically delivered artesian flow (DWR 1964). (edocr.com)
  • Researchers from the Xinjiang Institute of Ecology and Geography (XIEG) of the Chinese Academy of Sciences elaborated the spatiotemporal variations and controlling factors of groundwater level and mineralization degree using data collected at 22 wells in the Wei-Ku Oasis of Tarim Basin during 2000-2018. (phys.org)
  • however, it also flows towards the municipal wells in the central portion of the basin. (obgma.com)
  • The six awards include 16 individual construction projects within critically overdrafted groundwater basins in the Central Valley. (californiaagnet.com)
  • Basic principles of sedimentary geology suggest that silts and clays should dominate the center of the basin, while sands and gravels would tend to dominate the margins. (usgs.gov)
  • Coyote Creek flows into the valley toward Borrego Sink, the prominent collection point for runoff, that sometimes overflows into the San Felipe Wash. Flow between the sub-basins is inhibited due to the immense alluvial sediments in Borrego Springs being cut off from the San Felipe Wash by the presence of large geologic structures. (wikipedia.org)
  • The surveys included the acquisition of high-resolution magnetic data, which were used to map depth to the crystalline basement rocks underlying the sediments filling the basin. (usgs.gov)
  • Further, fine-grained sediments generally have higher porosity and tend to lie toward a basin center, a fact in general agreement with the observed geophysical data. (usgs.gov)
  • The basin is deepest in the center and southern areas where sediments have built up against the boundary defined by the Santa Ana Fault. (obgma.com)
  • These declines are largely due to increasing urbanization and groundwater pumping (CVWD 2000). (edocr.com)
  • This value does not include 1,520,000 af of groundwater in storage for the Garnet Hill area (DWR 1964). (edocr.com)
  • A total of 118 groundwater samples from the NTS and surrounding area (e.g. (geoscienceworld.org)
  • They encompass an area of 165 km 2 and are wholly contained within the basin of El Barbon Wash, which drains the Juarez Range (Sierra Juarez) to the East. (sdsu.edu)
  • At the gorge, the basin has a drainage area of 1094 km 2 . (sdsu.edu)
  • Groundwater in some areas shows evidence of pollution and high dissolved solids content, rendering these sources unsuitable for either drinking or irrigation purposes. (unl.edu)
  • The uppermost aquifer is made of alluvial, fan, playa and eolian deposits from the time between the Holocene and Pleistocene, and is up to 1,000 feet thick at the northern end of the basin. (wikipedia.org)
  • Conceptual diagram depicting groundwater variation due to climate change and anthropogenic activities in the typical oasis of Tarim Basin. (phys.org)
  • They used standardized partial regression coefficient and spatial multiple linear regression analysis to evaluate the response of groundwater to human activities and climate variability. (phys.org)
  • While groundwater mineralization degree marginally decreased, mainly due to climate change. (phys.org)
  • The climate of El Barbon basin ranges from semiarid to arid, whereas that of the Ojos Negros and Real del Castillo Viejo valleys is predominantly arid. (sdsu.edu)
  • The Harney Basin Groundwater Study is a cooperative study between WRD and the US Geological Survey. (oregon.gov)
  • Spatiotemporal variation and drivers of groundwater are critical to understand groundwater cycling and restore groundwater, while they are poorly understood in arid oasis region due to sparse field monitoring. (phys.org)
  • Groundwater basins in arid and semiarid regions are recharged by channel infiltration as streamflow passes through the ephemeral streams and washes. (sdsu.edu)
  • In addition, the plan would restore ecosystems in Prado Basin which has been critical to the District's successful recovery of the endangered least Bell's vireo, a native California songbird, and the Santa Ana sucker. (ocwd.com)
  • After Ph.D., he worked as a postdoctoral scholar at the Center for Groundwater Evaluation and Management (GEM), Department of Geophysics at Stanford University, USA, between 2015 and 2017. (lu.se)
  • Results showed that obviously large spatial and temporal variations existed in both groundwater level and mineralization degree, and its response to environmental factors varied in space and season. (phys.org)
  • This means that significant segments of Earth's population are consuming groundwater quickly without knowing when it might run out, the researchers conclude. (earthscape.org)
  • A low drainage divide forms a short boundary with the West Salton Sea Groundwater Basin in the southeast. (edocr.com)
  • This basin is quickly recharged during wet periods, and can be rapidly depleted during periods of drought. (obgma.com)
  • The state should help ensure all basins have sufficient funding to support development and implementation of groundwater plans. (edf.org)
  • There are ample opportunities for the public to engage in the GSP development process, such as attending quarterly GSC meetings, participating in stakeholder workshops, as well as providing comments on GSP draft chapters/sections via the online Groundwater Communication Portal or in the public meetings. (slofarmbureau.org)
  • The researchers in the department are studying the continents' movement and the rise of mountain ranges and development of sedimentary basins, and conducts research on the development and the mass extinctions that occurred in Earth history. (lu.se)
  • Incorporating a human health component into the integrated development and management of the Lower Mekong Basin : report of a PEEM mission to Thailand, Lao and Viet Nam / by T. H. Mather, Santasiri Sornmani, Keobang A. Keola. (who.int)
  • The basin serves a large number of people and agricultural acres. (obgma.com)
  • Our students are attractive on the labor market and work mainly in companies or municipalities with issues related to bedrock and soils and groundwater, often with clear environmental focus. (lu.se)
  • CMES Deputy Director Ronny Berndtsson has co-authored an article on GIS-based groundwater vulnerability assessment in Iran. (lu.se)
  • Groundwater supplies are essential to both farms and communities across the fertile Central Valley, a key source of food for the United States. (wowktv.com)
  • Understanding groundwater flow paths in and around the Nevada Test Site (NTS) is important due to the possible migration of contaminated groundwater to the neighboring communities. (geoscienceworld.org)
  • During wet periods, artesian conditions or springs can occur in the southwestern part of Ojai Basin when the elevation to which groundwater will naturally rise exceeds the ground surface elevation. (obgma.com)
  • This study assesses the status of the current quality of the groundwater resource by using data from samples analyzed for volatile organic compounds (VOCs), pesticides, and naturally occurring inorganic constituents, such as major ions and trace elements. (usgs.gov)
  • The general aim of the course is to provide students with specialised theoretical and practical knowledge for documentation and interpretation of sedimentary sequences and to carry out basin analysis based on tectonic structures, sedimentary facies, geochemistry, sequence stratigraphy and geophysical bore-hole logging. (lu.se)
  • This work presents a valid spatiotemporal geostatistical model for the groundwater level variations of an aquifer in Crete, Greece. (iwaponline.com)
  • Maps of groundwater level predictions and uncertainty are developed for significant months of the validation period to assess the aquifer spatiotemporal variability. (iwaponline.com)