搜索结果: 1-15 共查到“大气科学 US”相关记录20条 . 查询时间(0.211 秒)
Returning solar panel production to US eases climate change
太阳能电池板 生产恢复 美国 气候变化
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2023/5/17
Domestic production of solar panels – most of which are now made in Asia – can speed up decarbonization in the U.S. and reduce climate change faster, according to new Cornell Engineering research publ...
Climate change could dramatically reduce US snowstorms（图 ）
Climate change dramatically reduce US snowstorms
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2020/6/12
A National Science Foundation study led by Northern Illinois University scientists suggests that American winters late this century could experience significant decreases in the fr...
Climate-driven megadrought is emerging in western US, study finds（图）
Climate-driven megadrought emerging western US
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2020/5/9
With the western United States and northern Mexico suffering an ever-lengthening string of dry years, scientists have been warning that climate change may be pushing the region toward an extreme, long...
Climate Change Damages US Economy,Increases Inequality（图）
Climate Change Damages US Economy Increases Inequality
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2017/7/24
Unmitigated climate change will make the United States poorer and more unequal, according to a new study published today in the journal Science. The poorest third of counties could sust...
Biomass burning impact on PM 2.5 over the southeastern US during 2007: integrating chemically speciated FRM filter measurements, MODIS fire counts and PMF analysis
the southeastern US FRM filter measurements MODIS fire counts PMF analysis
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2010/8/16
Archived Federal Reference Method (FRM) Teflon filters used by state regulatory agencies for measuring PM2.5 mass were acquired from 15 sites throughout the southeastern US and analyzed for water-solu...
Quantification of PM2.5 organic carbon sampling artifacts in US networks
PM2.5 organic carbon sampling artifacts US networks
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2010/8/13
Field blanks (bQF) and backup filters (quartz-fiber behind quartz-fiber filter; QBQ) have been adopted by US long-term air quality monitoring networks to estimate PM2.5 organic carbon (OC) sampling ar...
Organic nitrogen in PM2.5 aerosol at a forest site in the Southeast US
Organic nitrogen PM2.5 aerosol forest site Southeast US
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2010/3/5
There is growing evidence that organo-nitrogen compounds may constitute a significant fraction of the aerosol nitrogen (N) budget. However, very little is known about the abundance and origin of this ...
A comprehensive evaluation of seasonal simulations of ozone in the northeastern US during summers of 2001–2005
seasonal simulations northeastern US summer
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2010/1/18
Regional air quality simulations were conducted for summers 2001–2005 in the eastern US and subjected to extensive evaluation using various ground and airborne measurements. A brief climate evaluation...
Aerosol optical properties relevant to regional remote sensing of CCN activity and links to their organic mass fraction: airborne observations over Central Mexico and the US West Coast during MILAGRO/INTEX-B
Aerosol optical properties regional remote sensing CCN activity organic mass fraction
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2009/9/23
Remote sensing of cloud condensation nuclei (CCN) would help evaluate the indirect effects of tropospheric aerosols on clouds and climate. To assess its feasibility, we examined relationships of submi...
Inverse modeling and mapping US air quality influences of inorganic PM2.5 precursor emissions using the adjoint of GEOS-Chem
US air quality influences inorganic PM2.5 precursor emissions GEOS-Chem
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2009/8/25
Influences of specific sources of inorganic PM2.5 on peak and ambient aerosol concentrations in the US are evaluated using a combination of inverse modeling and sensitivity analysis. First, sulfate an...
The influence of foreign vs. North American emissions on surface ozone in the US
foreign vs. North American emissions surface ozone US
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2009/8/7
As part of the Hemispheric Transport of Air Pollution (HTAP; http:// www.htap.org) project, we analyze results from 15 global and 1 hemispheric chemical transport models and compare these to Clean Air...
A Comparative Study of Air Quality Index Based on Factor Analysis and US-EPA Methods for an Urban Environment
Eclipsing effect Maximum operator concept (MOC) Principal component analysis (PCA) Variance, Ranking
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2016/3/29
There are many different air quality indexes, which represent the global urban air pollution situation.
Although the index proposed by USEPA gives an overall assessment of air quality, it does not in...
Attribution of projected changes in summertime US ozone and PM2.5 concentrations to global changes
projected changes summertime US ozone PM2.5 concentrations global changes
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2009/3/13
The impact that changes in future climate, anthropogenic US emissions, background tropospheric composition, and land-use have on summertime regional US ozone and PM2.5 concentrations is examined throu...
What does the global mean OH concentration tell us?
OH concentration OH
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2009/3/12
The global mean OH concentration ([OH]GM) has been used as an indicator of the atmospheric oxidizing efficiency and its changes over time. It is also used for evaluating the performance of atmospheric...
What does reflection from cloud sides tell us about vertical distribution of cloud droplet sizes?
reflection from cloud sides vertical distribution cloud droplet sizes
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2009/1/20
Cloud development, the onset of precipitation and the effect of aerosol on clouds depend on the structure of the cloud profiles of droplet size and phase. Aircraft measurements of cloud profiles are l...