Sulfur emissions to the atmosphere from natural sourees |
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| Authors: | T S Bates B K Lamb A Guenther J Dignon R E Stoiber |
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| Institution: | (1) NOAA/Pacific Marine Environmental Laboratory, 98115 Seattle, WA;(2) Laboratory for Atmospheric Research, Washington State University, 99164 Pullman, WA;(3) Cooperative Institute for Research in the Environmental Sciences, University of Colorado, 80303 Boulder, CO;(4) Lawrence Livermore National Laboratory, 94550 Livermore, CA;(5) Department of Earch Sciences, Dartmouth College, 03755 Hanover, NH |
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| Abstract: | Emissions of sulfur gases from both natural and anthropogenic sources strongly influence the chemistry of the atmosphere. To assess the relative importance of these sources we have combined the measurements of sulfur gases and fluxes during the past decade to create a global emission inventory. The inventory, which is divided into 12 latitude belts, takes into account the seasonal dependence of sulfur emissions from biogenic sources. The total emissions of sulfur gases from natural sources are approximately 0.79 Tmol S/a. These emissions are 16% of the total sulfur emissions in the Northern Hemisphere and 58% in the Southern Hemisphere. The inventory clearly shows the impact of anthropogenic sulfur emissions in the region between 35° and 50°N. |
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