搜索结果: 1-15 共查到“大气化学 methane”相关记录18条 . 查询时间(0.086 秒)
Warming Climate unlikely to cause major methane release（图）
Warming Climate methane release
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2020/3/6
A long-feared scenario in which global warming causes Arctic permafrost to melt and release enough methane—a potent greenhouse gas--to accelerate warming and cause catastrophe probably won't happen.
Researchers Use Novel Microreactor To Study Formation Of Methane Hydrate,An Icy Prison For Key Greenhouse Gas（图）
Researchers Novel Microreactor Methane Hydrate An Icy Prison Greenhouse Gas
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2017/9/5
Researchers at the NYU Tandon School of Engineering are using a novel means of studying how methane and water form methane hydrate that allows them to examine discrete steps in the process faster and ...
Characterization of non-methane hydrocarbons in Asian summer monsoon outflow observed by the CARIBIC aircraft
non-methane hydrocarbons Asian summer monsoon the CARIBIC aircraft
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2011/1/20
Between April and December 2008 the CARIBIC commercial aircraft conducted monthly measurement flights between Frankfurt, Germany and Chennai, India. These flights covered the period of the Asian summe...
Trend in ice moistening the stratosphere – constraints from isotope data of water and methane
ice moistening isotope data water methane
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2010/1/18
Water plays a major role in the chemistry and radiative budget of the stratosphere. Air enters the stratosphere predominantly in the tropics, where the very low temperatures around the tropopause cons...
Methane and nitrous oxide emissions in The Netherlands: ambient measurements support the national inventories
Methane and nitrous oxide emissions Netherlands national inventories
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2009/12/31
We present net emission estimates of CH4 and N2O of The Netherlands based on measurements conducted during the period of May 2006 to April 2009 at station Lutjewad, The Netherlands (6°21' E, 53°24' ...
Eddy covariance methane measurements at a Ponderosa pine plantation in CaliforniaEddy covariance methane measurements at a Ponderosa pine plantation in California
Eddy covariance methane measurements Ponderosa pine plantation California
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2009/11/19
Long term methane flux measurements have been mostly performed with plant or soil enclosure techniques on specific components of an ecosystem. New fast response methane analyzers make it possible to u...
Global emissions of non-methane hydrocarbons deduced from SCIAMACHY formaldehyde columns through 2003–2006
Global emissions non-methane hydrocarbons SCIAMACHY formaldehyde columns
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2009/6/16
Formaldehyde columns retrieved from the Scanning Imaging Absorption Spectrometer for Atmospheric Chartography/Chemistry (SCIAMACHY) instrument onboard ENVISAT satellite through 2003 to 2006 are used a...
Statistical analysis of anthropogenic non-methane VOC variability at a European background location（Jungfraujoch, Switzerland）
anthropogenic non-methane VOC European background location Jungfraujoch Switzerland
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2009/6/2
In-situ measurements of 7 volatile hydrocarbons, CxHy, and 3 chlorinated organic compounds, CxHyClz, were performed at Jungfraujoch (Switzerland) during eight years (2000–2007). The analysis of 4-h re...
Comparison of CMAM simulations of carbon monoxide（CO）, nitrous oxide（N2）, and methane（CH4）with observations from Odin/SMR, ACE-FTS, and Aura/MLS
CMAM simulations carbon monoxide nitrous oxide CH4 ACE-FTS Aura/MLS
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2009/6/2
Simulations of CO, N2O and CH4 from a coupled chemistry-climate model (CMAM) are compared with satellite measurements from Odin Sub-Millimeter Radiometer (Odin/SMR), Atmospheric Chemistry Experiment F...
Methane plume over south Asia during the monsoon season: satellite observation and model simulation
Methane plume south Asia monsoon season
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2009/3/13
Satellite retrievals of methane (CH4) using the Atmospheric Infrared Sounder (AIRS) on the EOS/Aqua platform from 2003–2007 show a strong, plume-like enhancement of CH4 in the middle to upper troposph...
Mass balance inverse modelling of methane in the 1990s using a Chemistry Transport Model
Mass balance inverse modelling Chemistry Transport Model
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2009/3/10
A mass balance inverse modelling procedure is applied with a time-dependent methane concentration boundary condition and a chemical transport model to relate observed changes in the surface distributi...
Hemispheric average Cl atom concentration from 13C/12C ratios in atmospheric methane
Hemispheric average Cl atom concentration 13C/12C ratios atmospheric methane
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2009/3/10
Methane is a significant atmospheric trace gas in the context of greenhouse warming and climate change. The dominant sink of atmospheric methane is the hydroxyl radical (OH). Recently, a mechanism for...
Carbon monoxide, methane and carbon dioxide columns retrieved from SCIAMACHY by WFM-DOAS: year 2003 initial data set
Carbon monoxide carbon dioxide columns SCIAMACHY WFM-DOAS
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2009/2/19
The near-infrared nadir spectra measured by SCIAMACHY on-board ENVISAT contain information on the vertical columns of important atmospheric trace gases such as carbon monoxide (CO), methane (CH4), and...
Validation of ENVISAT/SCIAMACHY columnar methane by solar FTIR spectrometry at the Ground-Truthing Station Zugspitze
ENVISAT/SCIAMACHY columnar methane solar FTIR spectrometry Ground-Truthing Station Zugspitze
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2009/2/17
Methane total-vertical column retrievals from ground-based solar FTIR measurements at the Permanent Ground-Truthing Station Zugspitze (47.42° N, 10.98° E, 2964m a.s.l.), Germany are used to validate ...
Centennial evolution of the atmospheric methane budget: what do the carbon isotopes tell us?
atmospheric methane budget carbon isotopes
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2008/12/8
Little is known about how the methane source inventory and sinks have evolved over recent centuries. New and detailed records of methane mixing ratio and isotopic composition (12CH4, 13CH4 and 14CH4) ...