• Although many natural disease processes may involve inadequate uptake and/or delivery of oxygen (eg, chronic obstructive pulmonary disease [COPD]), the term "asphyxia" is generally reserved for conditions related to abnormal atmosphere and mechanical and chemical effects directly leading to the aforementioned abnormalities. (medscape.com)
  • Working with real global carbon budget data, students estimate how much of the CO 2 emitted into the atmosphere as a result of human activities is absorbed naturally each year. (carboeurope.org)
  • Carbon dioxide removal (CDR), also known as carbon removal, greenhouse gas removal (GGR) or negative emissions, is a process in which carbon dioxide gas (CO2) is removed from the atmosphere by deliberate human activities and durably stored in geological, terrestrial, or ocean reservoirs, or in products. (wikipedia.org)
  • 8 However, there is significant uncertainty around this number because there is no established or accurate method of quantifying the amount of carbon removed from the atmosphere. (wikipedia.org)
  • Carbon dioxide removal (CDR) is defined by the IPCC as: Anthropogenic activities removing CO2 from the atmosphere and durably storing it in geological, terrestrial, or ocean reservoirs, or in products. (wikipedia.org)
  • Technologies have been proposed for removing non-CO2 greenhouse gases such as methane from the atmosphere, but only carbon dioxide is currently feasible to remove at scale. (wikipedia.org)
  • When used to sequester the carbon from a gas-fired power plant, CCS reduces emissions from continued use of the point source, but does not reduce the amount of carbon dioxide already in the atmosphere. (wikipedia.org)
  • Use of CDR reduces the overall rate at which humans are adding carbon dioxide to the atmosphere. (wikipedia.org)
  • This article is about removing carbon dioxide from the atmosphere. (wikipedia.org)
  • Ocean-based CDR analogues are defined as naturally existing marine settings that remove carbon dioxide (CO 2 ) from the atmosphere via processes that could theoretically be replicated, accelerated, and scaled. (climateworks.org)
  • Planktos, a U.S.-based firm, is using iron fertilization in an attempt to trigger a plankton bloom that will sequester carbon from the atmosphere. (mongabay.com)
  • Jan. 25, 2022 Storms over the waters around Antarctica drive an outgassing of carbon dioxide into the atmosphere, according to a new international study. (sciencedaily.com)
  • The scientists were surprised by the importance of these land-atmosphere feedbacks in terms of their effect on global carbon uptake. (scienceblog.com)
  • This means that during droughts, plants are unable to fix carbon not so much because there is less water in the soil but mainly because the atmosphere has quickly become hotter and drier as a result of the drought. (scienceblog.com)
  • The new Nature paper is titled "Soil moisture-atmosphere feedback dominates land carbon uptake variability. (scienceblog.com)
  • Much of that carbon gets there via the forest flora that suck carbon dioxide out of the atmosphere. (abovetopsecret.com)
  • He has developed an atmosphere-ocean, climate-carbon cycle model, which he has used to study the effectiveness of sequestration by the direct injection of carbon dioxide at a number of locations and depths. (edie.net)
  • But at the same time, the reduced ocean circulation will decrease the ocean mixing, which decreases the ventilation to the atmosphere of carbon injected into the deep ocean. (edie.net)
  • There are several practices that can help pull carbon out of the atmosphere and put it back into the soil, where it can contribute to soil health, crop yields, water storage and other beneficial functions. (alltech.com)
  • Forests eliminate carbon dioxide from the atmosphere, which balances a few greenhouse gas emissions worldwide and helps to alleviate climate change. (azocleantech.com)
  • Carbon monoxide wil partition in the monoxide during pregnancy resulted in atmosphere and is distributed global y by decreased fetal weight, adverse central wind. (cdc.gov)
  • This is because microorganisms fuel global plant productivity by breaking down organic matter, releasing carbon dioxide to the atmosphere and yielding nutrients (such as nitrogen and phosphorus) for plant uptake. (lu.se)
  • Tropical rainforests have long been considered the Earth's lungs, sequestering large amounts of carbon dioxide from the atmosphere and thereby slowing down the increasing greenhouse effect and associated human-made climate change. (lu.se)
  • As productivity increases there is room to fit in more trees whose growing biomass provides a sink, or store, for carbon sequestered from the atmosphere. (lu.se)
  • Large enough, Ahlström and colleagues show, to control the amount of carbon dioxide in the atmosphere. (lu.se)
  • Carbon dioxide (CO2) exists naturally in the atmosphere, but it is also the greenhouse gas that is most altered by human activities, most notably fossil fuel combustion and tropical deforestation. (lu.se)
  • This so-called carbon sink results from the balance between plant photosynthesis, which annually takes up a significant fraction of the CO2 in the atmosphere, and a slightly smaller quantity of CO2 that is released back to the atmosphere though life processes (respiration) and wild fires. (lu.se)
  • The resultant carbon sink slows down the rate of increase of greenhouse gases in the atmosphere and helps mitigate global climate change, a vital ecosystem service. (lu.se)
  • When we use the slow carbon (fossil fuels) quickly, we throw off the balance and increase the carbon dioxide levels in the atmosphere. (lu.se)
  • Working with real global carbon budget data, students produce graphs to find the best representation of the data to make predictions about human CO 2 emissions for the next century. (carboeurope.org)
  • 114 CDR methods include afforestation, reforestation, agricultural practices that sequester carbon in soils (carbon farming), wetland restoration and blue carbon approaches, bioenergy with carbon capture and storage (BECCS), ocean fertilization, ocean alkalinity enhancement, and direct air capture when combined with storage,: 115 To assess whether negative emissions are achieved by a particular process, comprehensive life cycle analysis of the process must be performed. (wikipedia.org)
  • 2221 Synonyms for CDR include greenhouse gas removal (GGR), negative emissions technology, and carbon removal. (wikipedia.org)
  • Consistent with other scientific studies, the IPCC Working Group 1 report concludes with high confidence that some carbon dioxide removal (CDR) is essential as a complement to, and not a replacement for, CO 2 emissions reductions. (climateworks.org)
  • Private cars are responsible for about 11% of the world's total carbon dioxide emissions. (nature.com)
  • These would reduce the published figures for car ownership, annual CO 2 emissions and fuel-price increase by about 6% each and the increase in electric-vehicle uptake by 2.3%, but would not affect the overall conclusions of the analysis. (nature.com)
  • Earth's land ecosystems absorb a large portion of all the carbon dioxide emissions produced by human activities, helping to slow global warming. (scienceblog.com)
  • During the Industrial Revolution, carbon emissions drastically increased, causing the global carbon cycle to become severely unbalanced. (alltech.com)
  • Today, existing methods of carbon sequestration are insufficient to offset accelerated emissions. (alltech.com)
  • Felling leads to greenhouse gas emissions and at the same time it takes some time before a newly established forest has taken up as much carbon dioxide than the forest would have done, had it stayed in place. (lu.se)
  • Even so, bioenergy is regarded as climate-neutral in certain contexts, partly based on emissions being "registered" within the framework of land use and land use change, rather than the energy sector, and partly because growth of new biomass will eventually sequester as much carbon as was released during combustion. (lu.se)
  • In ongoing development it will also account for biogeochemical feedbacks due to ecosystem exchanges of carbon dioxide, other greenhouse gases such as methane and nitrous oxides, secondary organic aerosols and emissions from wildfires. (lu.se)
  • There has been an increase in the uptake of carbon dioxide over time, and land ecosystems have together absorbed almost one third of all carbon dioxide emissions from human activity since the 1960s. (lu.se)
  • This takes place even if we limit carbon dioxide emissions. (lu.se)
  • Carbon Dioxide Concentration provides an overview of how vegetation absorbs carbon dioxide, while industrial regions have major emissions. (lu.se)
  • However, there's a significant gap in small, controlled field trials to provide real-world evidence of specific approaches to ocean carbon sequestration, including environmental co-benefits and risks. (climateworks.org)
  • Carbon sequestration is the process of capturing, securing and storing atmospheric carbon dioxide in a stable state. (alltech.com)
  • There are two main types of carbon sequestration: biological and geological. (alltech.com)
  • It has multiple environmental benefits, including carbon sequestration. (alltech.com)
  • While Arizona's forests are relatively small in terms of their contribution to the total U.S. carbon sequestration, our approach can be used to make the same predictions for forests around the world. (azocleantech.com)
  • We're using tree rings in a new way to think about how the whole forest ecosystem is behaving and how carbon sequestration is influenced by climate variability. (azocleantech.com)
  • One argument for letting the forest stay in place, with maximum carbon sequestration as a result, would therefore be to buy time for society's climate change mitigation over the next few very important years", says Markku Rummukainen. (lu.se)
  • However, calculating the climate benefit of such substitution is not straightforward, as the benefits vary depending on what is being replaced, the length of the products' lifecycle, assumptions about consumption patterns, about the forest's carbon sequestration, and so on. (lu.se)
  • In the case of bioenergy, it can take several decades, especially if the carbon sequestration that would have continued in the forest if it had not been felled is factored in. (lu.se)
  • Scientists in a global research project now show that the vast extensions of semi-arid landscapes occupying the transition zone between rainforest and desert dominate the ongoing increase in carbon sequestration by ecosystems globally, as well as large fluctuations between wet and dry years. (lu.se)
  • Forests are widely recognized as an ecosystem capable of capturing and storing large amounts of carbon dioxide, but the dense tropical forests have been assumed to be play major role in soaking up the greenhouse gases. (xinhuanet.com)
  • This iron deposition stimulates the ocean algae to convert carbon dioxide into organic carbon that may sink to ocean depths, potentially influencing the atmospheric carbon dioxide concentration," according to a statement from Science . (mongabay.com)
  • These include a high-speed anemometer (using the speed of sound to measure the turbulence) and an infra-red gas analyser (measuring fluctuations in atmospheric carbon dioxide concentration). (forestresearch.gov.uk)
  • Global change forces ecosystems to adapt to elevated atmospheric concentrations of carbon dioxide (CO 2 ). (copernicus.org)
  • The results indicate that such a PUA, the CA activity and the deposition velocities may change and may cause a decrease of the COS uptake by plant ecosystems, at least as long as the enzyme acclimation to CO 2 is not surpassed by an increase of atmospheric COS. (copernicus.org)
  • The impact of the summer drought on the productivity and carbon balance of ecosystems varied on a regional scale, depending on the nature of the dominant type of vegetation. (mpg.de)
  • Research studies of the summer droughts in 2003 and 2010 have revealed that ecosystems absorbed less carbon dioxide than usual, because their productivity was restricted owing to the scarcity of water, the high temperatures and fire damage. (mpg.de)
  • Therefore, in Central Europe the high spring temperatures had a negative impact on the productivity of ecosystems and net uptake of carbon dioxide later in the year. (mpg.de)
  • The company plans to sell carbon offsets based on the amount of carbon sequestered, but its plans have been widely condemned by environmental groups who say that scheme will do more harm than good and could put important ecosystems at risk. (mongabay.com)
  • A new study led by Caltech and published in the April 1 issue of the journal Nature resolves this debate, showing that soil moisture is indeed in the driver's seat in terms of how much carbon dioxide is taken up by land ecosystems. (scienceblog.com)
  • In the following section, we take a closer look at biological processes that occur in soil, forests and other ecosystems that can store CO2, which are sometimes called "carbon sinks. (alltech.com)
  • It has been used in over 100 published studies of climate impacts on vegetation and ecosystems, global and regional carbon balance, biodiversity, agricultural and forest management, and climate adaptation. (lu.se)
  • An international study released this week, led by Anders Ahlström, researcher at Lund University and Stanford University, shows that semi-arid ecosystems-savannahs and shrublands-play an extremely important role in controlling carbon sinks and the climate-mitigating ecosystem service they represent. (lu.se)
  • Understanding the processes responsible for trends and variability of the carbon cycle, and where they occur, provides insight into the future evolution of the carbon sink in a warmer world and the vital role natural ecosystems may play in accelerating or slowing down human-induced climate change", says Anders Ahlström. (lu.se)
  • This term refers to a multi-etiologic set of conditions in which there is inadequate delivery, uptake and/or utilization of oxygen by the body's tissues/cells, often accompanied by carbon dioxide retention. (medscape.com)
  • The carbon dioxide travels in reverse of oxygen and is eliminated from the body via exhaling. (medscape.com)
  • This morning, the subject configured the Pulmonary Function System (PFS) and performed a series of Oxygen Uptake Measurements (OUMs) after prescribed meals and scheduled fluid collections. (nasa.gov)
  • Gas analysis systems are used to measure the rates of oxygen uptake and carbon dioxide production during physical activity. (essex.ac.uk)
  • Biochar is a black carbon produced by heating biomass sources (e.g., wood, wood chips, sawdust, yard waste, crop waste, food waste, and even manure or sewage waste) at high temperatures in the absence of oxygen in a controlled process called pyrolysis. (alltech.com)
  • About 70% of its composition is carbon, and the remaining elements include nitrogen, hydrogen and oxygen, among others. (alltech.com)
  • Oxy Life Force Elixir also works to improve oxygen uptake and use. (king-cart.com)
  • It improves the ability of the lungs to uptake oxygen and release carbon dioxide. (king-cart.com)
  • The vegetable juice's nitrate content may reduce oxygen uptake to an extent that cannot be achieved by any other known means, making exercise less tiring, according to findings published in the Journal of Applied Physiology ​ (doi:10.1152/japplphysiol.00722.2009). (nutraingredients-usa.com)
  • We were amazed by the effects of beetroot juice on oxygen uptake because these effects cannot be achieved by any other known means, including training. (nutraingredients-usa.com)
  • On the other hand, no statistically significant effects were observed for oxygen uptake (VO2), carbon dioxide production (VCO2), or pulmonary ventilation (VE). (nutraingredients-usa.com)
  • It is generally recognized that a maximal oxygen uptake (VO 2max ) characterizes the functional limits of the cardiovascular system to transport oxygen from air to tissues to meet aerobic requirements of the body. (cdc.gov)
  • The hydrogen peroxide dissociate into water and oxygen, whereas urea breaks down into carbon dioxide and ammonia (5). (bvsalud.org)
  • We can say with confidence that soil moisture plays a dominant role in the year-to-year change we see in the amount of carbon taken up by the land. (scienceblog.com)
  • That's because the amount of carbon the Amazon stores is staggering. (abovetopsecret.com)
  • 3,500 leaf stable carbon isotope measurements. (nature.com)
  • 2012). These data are very preliminary but may trigger a discussion on COS uptake acclimation to foster measurements with modern analytical instruments. (copernicus.org)
  • This study combines measurements of dissolved inorganic carbon (DIC), total alkalinity (TA), pH, earth observation (EO), and ocean model products with deep learning to provide a good step forward in detecting changes in the ocean carbonate system parameters at a high spatial and temporal resolution in the North Atlantic region (Long. (mdpi.com)
  • Measurements of carbon dioxide, water vapour and energy exchange (or fluxes) commenced in March 1998 at the Straits Inclosure, in addition to numerous other assessments at the site, linked to the Intensive Forest Monitoring Network and the Environmental Change Network . (forestresearch.gov.uk)
  • Quantifying the carbon balance of the forests requires measurements of the exchange of carbon dioxide between the air passing over the forest and the forest vegetation, using micrometeorological methods. (forestresearch.gov.uk)
  • From very rapid (20 times a second) measurements half-hour average fluxes of carbon dioxide are continuously computed in all weather conditions. (forestresearch.gov.uk)
  • It has been known for a while now that adding iron to some regions of the world's oceans increases the production of organic carbon," he continued. (mongabay.com)
  • WASHINGTON, Feb. 18 (Xinhua) -- A study has shown that more than half of the carbon reservoir in the world's forests is in those where tress are relatively young or under 140 years old rather than in tropical rainforests. (xinhuanet.com)
  • In our iGlobe you can see several films and simulations, with everything from the world's carbon dioxide levels and the Earth's population growth to the spread of the ice age and the movements of the continental plates. (lu.se)
  • For these reasons, the boreal forests of Northern Europe maintained almost normal levels of carbon fixation, even during the strong drought. (mpg.de)
  • Researchers at the University of Birmingham analyzed the global biosphere using a new combination of data and computer modeling and found that the new forests sucked up large amounts of carbon not only due to fertilization effects but also due to their younger age. (xinhuanet.com)
  • The age effect accounted for around one-fourth of the total carbon dioxide absorbed by forests, according to the study. (xinhuanet.com)
  • Also, the age-caused carbon uptake was primarily situated not in the tropics, but in the middle and high latitude forests. (xinhuanet.com)
  • Understanding and quantifying the carbon and greenhouse gas (GHG) balance of the UK's woodlands and forests is a key part of our programme on forestry and climate change mitigation . (forestresearch.gov.uk)
  • Amazing to learn how much carbon dioxide is/was stored within the Amazon forests. (abovetopsecret.com)
  • It can sequester similar amounts of carbon per acre as planting new forests or forest restoration projects. (alltech.com)
  • The growth declines we're forecasting will mean less uptake of atmospheric carbon dioxide in the future by Arizona's forests. (azocleantech.com)
  • Knowing how much carbon forests take up globally is essential to addressing the climate crisis and planning for a resilient future. (azocleantech.com)
  • Looking at old forests, in the small areas of forest lands where they are left untouched, and looking among other things at carbon dynamics. (lu.se)
  • Gross primary production (GPP)-the uptake of carbon dioxide (CO 2 ) by leaves, and its conversion to sugars by photosynthesis-is the basis for life on land. (nature.com)
  • Previously, we showed in tomato that eCO2 + warming decreases the concentration of N-uptake and assimilatory proteins in roots and dramatically increases leaf angle, which decreases whole-plant light capture and, hence, photosynthesis and growth. (usda.gov)
  • Although shifts in T optA of these two species are insufficient to keep pace with warming, these boreal conifers can thermally acclimate photosynthesis to maintain carbon uptake in future air temperatures. (usgs.gov)
  • It involves for example the amount of sunlight absorbed by vegetation, the evaporation of water from foliage and the soil surface, and the net uptake or release of carbon dioxide and other greenhouse gases due to ecosystem processes like photosynthesis, soil organic matter decomposition, wildfires and human land use. (lu.se)
  • Tropical rainforests are highly productive, and this means that they take up a lot of carbon dioxide, but rainforests are crowded places with little room to fit in more plants to do more photosynthesis and to store carbon. (lu.se)
  • It includes existing and potential anthropogenic enhancement of biological or geochemical sinks and direct air capture and storage, but excludes natural CO2 uptake not directly caused by human activities. (wikipedia.org)
  • The ocean's chemistry is changing due to the uptake of anthropogenic carbon dioxide (CO2). (uib.no)
  • Cumulative carbon dioxide (CO 2 ) uptake by land and ocean carbon sinks in response to stratospheric sulphur dioxide (SO2) injection. (ipcc.ch)
  • Global climate models predict atmospheric carbon dioxide (CO2) concentration and average surface temperature will continue to rise during this century, which may increase acute and chronic stress in plants. (usda.gov)
  • Techniques and instruments available since the late 1980s allow us to measure the rapid turbulence in the air (or 'eddies'), and the fluctuations in the carbon dioxide concentration to see how they 'co-vary' (vary together). (forestresearch.gov.uk)
  • The ocean is Earth's largest CO 2 sink, and early scientific studies point to the potential to leverage natural processes to capture significant amounts of CO 2 ," said Jan Mazurek, Ph.D., senior director, Carbon Dioxide Removal at ClimateWorks Foundation. (climateworks.org)
  • thousand years or longer) CDR can be confused with carbon capture and storage (CCS), a process in which carbon dioxide is collected from point-sources such as gas-fired power plants, whose smokestacks emit CO2 in a concentrated stream. (wikipedia.org)
  • In tomato (Solanum lycopericum), a warm-season crop, we discovered that roots had lower nitrogen uptake, lower net nitrogen movement from the roots up to the shoot (translocation), and less whole-plant nitrogen incorporation (assimilation) when plants were grown under the combination of elevated temperature and elevated CO2. (usda.gov)
  • This means that there will be less ocean plants to uptake this greenhouse gas, which worsens the overall problem, Behrenfeld said. (livescience.com)
  • However, the study also concludes that the amount of moisture in the soil affects temperatures and humidity near the surface, which in turn affect plants' ability to fix carbon. (scienceblog.com)
  • An estimated 120 billion tons of carbon are stashed in its plants and soil. (abovetopsecret.com)
  • plants are more likely to be exposed to There are no data available on www.atsdr.cdc.gov higher levels of carbon monoxide from background levels of carbon monoxide in outdoor ambient air. (cdc.gov)
  • Hence, in this study, two methods of CO 2 recovery from combustion gases and CO 2 recycling in ammonia units will be used to increase urea production to realize low-carbon and industrial systems (including green agriculture). (hindawi.com)
  • Among all solid nitrogen fertilizers, urea contains the most nitrogen (46.7%) [ 16 ] and it is hydrolyzed to ammonia and carbon dioxide in the soil. (hindawi.com)
  • Urea is produced industrially by the reaction of ammonia and carbon dioxide at high pressures (13 to 30 MPa) and high temperatures (170 to 200°C) [ 18 ]. (hindawi.com)
  • I am particularly interested in understanding how microorganisms regulate the release of carbon, nitrogen and phosphorus from soil organic matter. (lu.se)
  • Cleaner air reveals growing influence of climate on dissolved organic carbon trends in northern headwaters de Wit et al. (skepticalscience.com)
  • This paper presents an experimental study on the ability of organic-rich-shale core samples to store carbon dioxide (CO 2 ). (onepetro.org)
  • However, tillage, chemical fertilizers and other common agricultural practices can drastically reduce the amount of organic carbon in the soil. (alltech.com)
  • As a result, levels of ecosystem activity, as well as the annual carbon balance, were either neutral or slightly on the positive side. (mpg.de)
  • From the onset of monitoring in 1998, the mean annual NEP (Net Ecosystem Productivity) has been 4.8 tC/ha/yr, indicating that overall, this woodland is acting as a strong sink for carbon. (forestresearch.gov.uk)
  • Thus, decreases in N uptake and assimilation with eCO2 + warming in tomato are likely due to reduced plant N demand. (usda.gov)
  • As sea surface temperatures increase, the density of the water decreases, slowing down the ocean thermohaline circulation and decreasing the absorption of carbon dioxide. (edie.net)
  • Exercise decreases the carbon monoxide elimination half-time. (cdc.gov)
  • There is potential to remove and sequester up to 10 gigatons of carbon dioxide per year by using those existing CDR methods which can be safely and economically deployed now. (wikipedia.org)
  • Research sponsored by the US Department of Energy has found that climate change has a big impact on the oceans' ability to store excess carbon dioxide, with some oceans better able to sequester than others. (edie.net)
  • However, they have found that the Atlantic Ocean's ability to sequester carbon dioxide is particularly affected by climate change. (edie.net)
  • In addition, savannahs spring to life in wetter years, causing large fluctuations in carbon dioxide uptake between wet and dry years. (lu.se)
  • An experiment designed to illustrate the impact of carbon dioxide on microalgal growth in the aquatic environment. (carboeurope.org)
  • Relative to eCO2 or warming alone, eCO2 + warming decreased growth, NO3- and NH4+ -uptake rates, root-to-shoot net N translocation, and whole-plant N assimilation. (usda.gov)
  • I typically use a combination of controlled lab-based experiments in parallel with assessments of soils from field-experiments and natural gradients, and employ a series of radio- and stable-isotope based method in order to resolve how bacterial ( 3 H-leucine and 3 H-thymidine incorporation) and fungal ( 14 C-acetate-in-ergosterol) growth drive the processes of carbon and gross nitrogen ( 15 N pool-dilution) mineralization in soils. (lu.se)
  • In the reference simulation, they saw the expected variability in carbon uptake by the land over time. (scienceblog.com)
  • Climate Change - Fast Carbon Slow Carbon - a film depicting the different carbon cycles, in which biological processes have a very fast cycle while other carbon is bound in geological processes that are much slower. (lu.se)
  • This is likely due to reduced nitrogen uptake and fewer nitrogen assimilation proteins, rather than root resource limitations or protein damage under these conditions. (usda.gov)
  • Since the end of 2016 I have been working as a postdoc in Lund, where I have been pursuing two parallel research tracks: investigating (i) how soil microbes respond to variations in moisture and drying-rewetting events using soils from Texas, Ethiopia, The Netherlands, Belgium, and beyond, and (ii) how shrub-expansion and accelerated nutrient cycling affects carbon and nitrogen cycling in the Subarctic. (lu.se)
  • We found that in nitrogen-poor subarctic soils, rhizosphere inputs (simulated with the addition of glucose and alanine) increased gross nitrogen mineralization more than carbon mineralization. (lu.se)
  • Cyanide is a chemical group consisting of one atom of carbon connected to one atom of nitrogen by three molecular bonds (C≡N) and cyanides are compounds (substances formed by the joining of two or more atoms) that contain a cyanide group (typically shown as CN). (cdc.gov)
  • Climate change would affect the ocean circulation, and therefore affect the retention time of carbon dioxide injected into the deep ocean, explains Atul Jain, a professor of atmospheric sciences at the University. (edie.net)
  • Tree intercropping helps increase the carbon content of the soil and productivity of the land. (alltech.com)
  • The resulting product is a crystalized carbon skeleton of biomass. (alltech.com)
  • What climate benefit you get by leaving the forest for storing carbon, or by extracting biomass that can replace fossil raw materials, largely depends on the time horizon. (lu.se)
  • The time aspect is key when it comes to whether the forest provides most climate benefit by staying in place and sequestering carbon, or through us extracting biomass to substitute fossil energy and fossil-intensive materials with", says Markku Rummukainen. (lu.se)
  • If, however, the biomass is extracted to create a product with a long lifetime, the product also binds carbon for a long period. (lu.se)
  • Estimation of the uptake potential of rabbit alveolar macrophages is performed in-vitro using P-32 labeled bacteria, with the lytic potential of the same cells prior to phagocytosis estimated from the activity of six lysosomal hydrolase enzymes and related to macrophages as a means for comparison with uptake activities. (cdc.gov)
  • We need to better understand human induced change in atmospheric dust transport because of its potential impact on ocean's biological productivity," However, Cassar cautions that the research "does not bring any new insight into the efficacy of artificial iron fertilization in sequestering carbon dioxide. (mongabay.com)
  • Therefore, in most contexts, greenhouse gas removal means carbon dioxide removal. (wikipedia.org)
  • The 18-month grants will support evaluating the environmental impacts of ocean-based carbon dioxide removal (CDR) approaches via a study of field-based analogues. (climateworks.org)
  • The project will measure CO 2 uptake in the surface water and sediment porewaters to test the link between alkalinity addition and atmospheric CO 2 removal, and determine how trace metals released during weathering impact marine systems. (climateworks.org)
  • In Flight Maintenance Carbon Dioxide Removal Assembly (CDRA) Preparation. (nasa.gov)
  • According to the research, climate change affects both the uptake of the gas, and circulation patterns. (edie.net)
  • Carbon Dioxide Fertilization of Marine Microalgae (Dunalliela sp. (carboeurope.org)
  • However, the impact on annual productivity - and therefore on the overall carbon balance - was highly variable across regions. (mpg.de)
  • But between 2000 and the present, researchers found that as the oceans warmed and became more stratified, phytoplankton productivity declined by 190 million tons of carbon each year. (livescience.com)
  • Fig. 1: Partial residual plots from the regression of logit-tranformed values of χ derived from the global leaf stable carbon isotope dataset against environmental predictors. (nature.com)
  • Working with real data in spreadsheets to create a climate model, students discover the global carbon budget and make their own predictions for the next century. (carboeurope.org)
  • The cytotoxicity essay was carried out using cell cultures (mouse fibroblast L929 cell line) in which the viable cells were determined by means of the dye-uptake method performed at 2, 4, and 8 hours. (bvsalud.org)
  • exists primarily as a complex with uptake and elimination. (cdc.gov)
  • When the model was run without climate feedback mechanisms affecting the oceans, the Pacific Ocean held the most carbon dioxide for the longest time. (edie.net)
  • Based on our initial results, injecting carbon dioxide into the Atlantic Ocean would be more effective than injecting it at the same depth in either the Pacific Ocean or the Indian Ocean," said Jain. (edie.net)
  • Plant dry mass, root N-uptake rate, root-to-shoot net N translocation, whole-plant N assimilation, and root resource availability (%C, %N, total non-structural carbohydrates) were measured. (usda.gov)