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140 results for “methane emission”
Evaluation of models of enteric methane emissions in finishing steers
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Data from: Global energy sector methane emissions estimated by using facility-level satellite observations
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Methane emissions in a subtropical mangrove forest (Ishikaki Island, Japan)
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A 130-year global inventory of methane emissions from livestock: trends, patterns, and drivers
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Isotopic signatures of methane emissions from dairy farms in California's San Joaquin Valley
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Methane emission and sulfide levels increase in tropical seagrass sediments during temperature stress: a mesocosm experiment
<p>Climate change-induced ocean warming is expected to greatly affect carbon dynamics and sequestration in vegetated shallow waters, especially in the upper subtidal where water temperatures may fluctuate considerably and can reach high levels at low tides. This might alter the greenhouse gas balance and significantly reduce the carbon sink potential of tropical seagrass meadows. In order to assess such consequences, we simulated temperature stress during low tide exposures by subjecting seagrass plants (<i>Thalassia hemprichii</i>) and associated sediments to elevated midday temperature spikes (31, 35, 37, 40 and 45ºC) for seven consecutive days in an outdoor mesocosm setup. During the experiment, methane release from the sediment surface was estimated using gas chromatography. Sulfide concentration in the sediment pore water was determined spectrophotometrically, and the plant's photosynthetic capacity as Electron Transport Rate (ETR) and maximum quantum yield (Fv/Fm) was assessed using pulse-amplitude modulated (PAM) fluorometry. The highest temperature treatments (40 and 45ºC) had a clear positive effect on methane emission and the level of sulfide in the sediment and, at the same time, clear negative effects on the photosynthetic performance of seagrass plants. The effects observed by temperature stress were immediate (within hours) and seen in all response variables, including ETR, Fv/Fm, methane emission and sulfide levels. In addition, both the methane emission and the size of the sulfide pool were already negatively correlated to changes in the photosynthetic rate (ETR) during the first day, and with time, the correlations became stronger. These findings show that increased temperature will reduce primary productivity and increase methane and sulfide levels. Future increases in the frequency and severity of extreme temperature events could hence reduce the climate mitigation capacity of tropical seagrass meadows by reducing CO<sub>2</sub> sequestration, increase damage from sulfide toxicity, and induce the release of larger amounts of methane.</p>
Chimneys and blankets: species-dependent methane emissions in a rewetted Dutch peatland
<p>Data belonging to the PhD thesis chapter "Chimneys and blankets: species-dependent methane emissions in a rewetted Dutch peatland", in:</p> <p>Vroom, R.J.E. 2024. From meadows to marshes: cultivating plants to revive degraded wetlands. PhD thesis, Radboud Universiteit, Nijmegen, the Netherlands.</p> <p>And the published paper Vroom, R.J.E., Gremmen, T.M., van Huissteden, J., Smolders, A.J.P., Kosten, S., Fritz, C., van de Riet, B.P., van Huissteden, C., van den Berg, M., 2024. Species-dependent methane emissions in a Dutch peatland during paludiculture establishment. Mires Peat 31, 1–19. doi:10.19189/MaP.2023.OMB.Sc.2422120</p> <p> </p>
LQ/China's coal methane emission inventory
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Intermediate volatility organic compounds (IVOCs) emissions based on source-specific emission ratios relative to non-methane volatile organic compounds (NMVOCs) give better representation of the spatial distribution of IVOCs in China
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Methane mean emissions from wetlands in Mexico for the period 2000-2017
<p>Metane emissions from wetlands from Mexico, using the for the period 2000-2017 at a resolution of 0.1º, using the output of 13 land surface models of global CH<sub>4</sub> emissions from wetlands published and used in the current Global Methane Budget (Table 2 in Saunois et al., 2020). The Global Methane Budget did not include emissions at the individual country scale, thus, CH<sub>4</sub> emissions from Mexican wetlands were calculated by selecting the Mexican territory from the global output, superimposing a mask of Mexican wetland distribution produced by INEGI (https://www.inegi.org.mx/temas/humedales/), and interpolating at a resolution of 0.01º.</p> <p>The data base (NetCDF) has four dimensions: latitud, longitud, time and the mean of the 13 models and their versions. It is already published in: </p>
A Millimeter-Scale Change in Leaf Litter Placement Within Soil-Water Interfaces Alters Carbon Dioxide and Methane Emission
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Data From: Methane Emissions from Unplugged Abandoned Oil and Gas Wells in Louisiana
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Datasets for "A survey of methane point source emissions from coal mines in Shanxi province of China using AHSI on board Gaofen-5B"
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Dataset article "Methane emissions may counteract the carbon fixation capacity for climate change mitigation by Mediterranean inland freshwater shallow lakes and ponds"
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Effects of alternate wetting and drying irrigation on methane and nitrous oxide emissions from rice fields
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High-resulution satellite reveals the methane emissions from China's coal mines
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Estimation of methane emissions from the U.S. ammonia fertilizer industry using a mobile sensing approach (supplemental data)
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2017 methane emission quantification and localization controlled release test at the Merced Vernal Pools and Grassland Reserve with sUAS
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2017 methane emission detection and localization controlled release test at the Pacific Gas and Electric Livermore facility with sUAS
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Data from: Bayesian modelling reveals host genetics associated with rumen microbiota jointly influence methane emission in dairy cows
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ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.