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Variable CCN formation potential of regional sulfur emissions
Variable CCN formation potential regional sulfur emissions
2009/6/2
Aerosols are short lived so their geographical distribution and impact on climate depends on where they are emitted. Previous model studies have shown that the mass of sulfate aerosol produced per uni...
Kinetics and mechanism of heterogeneous oxidation of sulfur dioxide by ozone on surface of calcium carbonate
Kinetics and mechanism heterogeneous oxidation sulfur dioxide calcium carbonate
2009/1/12
Sulfate particles play a key role in the air quality and the global climate, but the heterogeneous formation mechanism of sulfates on surfaces of atmospheric particles is not well established. Carbona...
Nanoparticle formation in the exhaust of vehicles running on ultra-low sulfur fuel
exhaust of vehicle sulfur fuel
2008/11/17
The concern of adverse health impacts from exposure to vehicle-emitted nanoparticles has been escalating over the past few years. In order to meet more stringent EPA emission standards for particle ma...
Estimation of the vertical profile of sulfur dioxide injection into the atmosphere by a volcanic eruption using satellite column measurements and inverse transport modeling
sulfur dioxide volcanic eruption
2008/11/13
An analytical inversion method has been developed to estimate the vertical profile of SO2 emissions from volcanic eruptions. The method uses satellite-observed total SO2 columns and an atmospheric tra...
Source-receptor relationships between East Asian sulfur dioxide emissions and Northern Hemisphere sulfate concentrations
Source-receptor East Asian sulfur dioxide Northern Hemisphere
2008/11/13
We analyze the effect of varying East Asian (EA) sulfur emissions on sulfate concentrations in the Northern Hemisphere, using a global coupled oxidant-aerosol model (MOZART-2). We conduct a base and f...
Analysis of aircraft and satellite measurements from the Intercontinental Chemical Transport Experiment (INTEX-B) to quantify long-range transport of East Asian sulfur to Canada
aircraft satellite Intercontinental Chemical Transport Experiment INTEX-B
2008/11/10
We interpret a suite of satellite, aircraft, and ground-based measurements over the North Pacific Ocean and western North America during April–May 2006 as part of the Intercontinental Chemical Transpo...