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Changes in snowmelt threaten farmers in western United States（图）
Changes snowmelt threaten farmers western United States
2020/4/26
Farmers in parts of the western United States who rely on snowmelt to help irrigate their crops will be among the hardest hit in the world by climate change, a new study reveals.In a paper published i...
New Study Suggests the United States’ Power Supply Has the Capacity to be More Adaptable to Climate Change than Previously Predicted
the United States Power Capacity More Adaptable Climate Change Previously Predicted
2017/11/23
Climate change scientists warn that the continued burning of fossil fuels is likely to cause major disruptions to the global climate system leading to more extreme weather, sea level rise, and biodive...
An analysis of long-term regional-scale ozone simulations over the Northeastern United States: variability and trends
long-term regional-scale ozone the Northeastern United States variability and trends
2011/2/24
This study presents the results from two sets of 18-year air quality simulations over the Northeastern US performed with a regional photochemical modeling system. These two simulations utilize differe...
Laboratory measurements of trace gas emissions from biomass burning of fuel types from the southeastern and southwestern United States
Laboratory measurements trace gas fuel types the southeastern and southwestern United States
2010/11/30
Vegetation commonly managed by prescribed burning was collected from five southeastern and southwestern US military bases and burned under controlled conditions at the US Forest Service Fire Sciences ...
Comparison of TOMS retrievals and UVMRP measurements of surface spectral UV radiation in the United States
TOMS retrievals UVMRP measurements surface spectral UV radiation
2010/9/21
Surface noontime spectral ultraviolet (UV) irradiances during May-September of 2000–2004 from the total ozone mapping spectrometer (TOMS) satellite retrievals are systematically compared with the grou...
Baseline levels and trends of ground level ozone in Canada and the United States
Baseline levels and trends ground level ozone Canada the United States
2010/9/21
A statistical method was developed to extract baseline levels of ground level ozone in Canada and the US, and to quantify the temporal changes of baseline ozone levels on annual, seasonal, diurnal and...
The contribution of marine organics to the air quality of the western United States
marine organics the air quality the western United States
2010/8/16
The contribution of marine organic emissions to the air quality in coastal areas of the western United States is studied using the latest version of the US Environmental Protection Agency (EPA) region...
Water-Soluble Organic Aerosol material and the light-absorption characteristics of aqueous extracts measured over the Southeastern United States
Water-Soluble Organic Aerosol material the light-absorption characteristics aqueous extracts the Southeastern United States
2010/8/13
Light absorption of fine particle (PM2.5) aqueous extracts between wavelengths of 200 and 800 nm were investigated from two data sets: 24-h Federal Reference Method (FRM) filter extracts from 15 South...
The municipal solid waste landfill as a source of ozone-depleting substances in the United States and United Kingdom
municipal solid waste landfill ozone-depleting substances United States United Kingdom
2010/2/21
This study provides observation-based national estimates of CFC-11, CFC-12, CFC-113, and 1,1,1-trichloroethane emissions for the United States (US) and United Kingdom (UK) from municipal solid waste (...
Nocturnal isoprene oxidation over the Northeast United States in summer and its impact on reactive nitrogen partitioning and secondary organic aerosol
Nocturnal isoprene oxidation Northeast United States reactive nitrogen partitioning secondary organic aerosol
2009/5/15
Isoprene is the largest single VOC emission to the atmosphere. Although it is primarily oxidized photochemically during daylight hours, late-day emissions that remain in the atmosphere at sunset under...
The effects of global changes upon regional ozone pollution in the United States
global changes regional ozone pollution United States
2009/3/13
A comprehensive numerical modeling framework was developed to estimate the effects of collective global changes upon ozone pollution in the US in 2050. The framework consists of the global climate and...
Are biogenic emissions a significant source of summertime atmospheric toluene in the rural Northeastern United States?
biogenic emissions summertime atmospheric toluene Northeastern United States
2009/3/12
Summertime atmospheric toluene enhancements at Thompson Farm in the rural northeastern United States were unexpected and resulted in a toluene/benzene seasonal pattern that was distinctly different fr...
Fine aerosol bulk composition measured on WP-3D research aircraft in vicinity of the Northeastern United States – results from NEAQS
Fine aerosol WP-3D Northeastern United States NEAQS
2008/12/12
During the New England Air Quality Study (NEAQS) in the summer of 2004, airborne measurements were made of the major inorganic ions and the water-soluble organic carbon (WSOC) of the submicron (PM1.0)...
The effect of lightning NOx production on surface ozone in the continental United States
lightning NOx surface ozone continental United States
2008/11/18
Lightning NOx emissions calculated using the US National Lightning Detection Network data were found to account for 30% of the total NOx emissions for July–August 2004, a period chosen both for having...
Data from the Interagency Monitoring of Protected Visual Environments (IMPROVE) network of aerosol samplers and NOAA monitoring sites are examined for weekly cycles. At remote and rural sites, fine pa...