Browsing FAS Scholarly Articles by Keyword "aerosols"
Now showing items 1-8 of 8
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Climate forcings in Goddard Institute for Space Studies SI2000 simulations
(Wiley-Blackwell, 2002)We define the radiative forcings used in climate simulations with the SI2000 version of the Goddard Institute for Space Studies (GISS) global climate model. These include temporal variations of well-mixed greenhouse gases, ... -
Fire and Biofuel Contributions to Annual Mean Aerosol Mass Concentrations in the United States
(Elsevier, 2007)We estimate the contributions from biomass burning (summer wildfires, other fires, residential biofuel, and industrial biofuel) to seasonal and annual aerosol concentrations in the United States. Our approach is to use ... -
Global and regional decreases in tropospheric oxidants from photochemical effects of aerosols
(Wiley-Blackwell, 2003)We evaluate the sensitivity of tropospheric OH, O3, and O3 precursors to photochemical effects of aerosols not usually included in global models: (1) aerosol scattering and absorption of ultraviolet radiation and (2) ... -
Interactions between tropospheric chemistry and aerosols in a unified general circulation model
(Wiley-Blackwell, 2003)A unified tropospheric chemistry-aerosol model has been developed within the Goddard Institute for Space Studies general circulation model (GCM). The model includes a detailed simulation of tropospheric ozone-NOx-hydrocarbon ... -
Natural and transboundary pollution influences on sulfate-nitrate-ammonium aerosols in the United States: Implications for policy
(Wiley-Blackwell, 2004)We use a global three-dimensional coupled oxidant-aerosol model (GEOS-CHEM) to estimate natural and transboundary pollution influences on sulfate-nitrate-ammonium aerosol concentrations in the United States. This work is ... -
Regional Visibility Statistics in the United States: Natural and Transboundary Pollution Influences, and Implications for the Regional Haze Rule
(Elsevier, 2006)The Regional Haze Rule of the US Environmental Protection Agency mandates reduction in US anthropogenic emissions to achieve linear improvement of visibility in wilderness areas over the 2004–18 period toward an endpoint ... -
Synthesis of Satellite (MODIS), Aircraft (ICARTT), and Surface (IMPROVE, EPA-AQS, AERONET) Aerosol Observations over Eastern North America to Improve MODIS Aerosol Retrievals and Constrain Surface Aerosol Concentrations and Sources
(Wiley-Blackwell, 2010)We use an ensemble of satellite (MODIS), aircraft, and ground-based aerosol observations during the ICARTT field campaign over eastern North America in summer 2004 to (1) examine the consistency between different aerosol ... -
Tropospheric Emissions: Monitoring of Pollution (TEMPO)
(SPIE - International Society for Optical Engineering, 2013)TEMPO was selected in 2012 by NASA as the first Earth Venture Instrument, for launch circa 2018. It will measure atmospheric pollution for greater North America from space using ultraviolet and visible spectroscopy. TEMPO ...