Titlebook: Ice Core Studies of Global Biogeochemical Cycles; Robert J. Delmas Conference proceedings 1995 Springer-Verlag Berlin Heidelberg 1995 Aero

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Cloud Processes in the Troposphere,r atmosphere where they are undergoing transport processes and chemical conversions. Finally, non-transformed species and reaction products will be removed from the atmosphere by dry and wet deposition. For industrialized areas, the dry deposition of atmospheric trace components exceeds the wet remo

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Ocean/Atmosphere Cycling of Dimethylsulfide,ent in terms of its abundance in the earth’s crust and atmosphere it plays an important role in atmospheric chemistry by virtue of the fact that it is the principle source for acidic aerosols. For this reason the sulfur cycle is involved in a number of ecological issues of importance on local, regio

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Sulphur-Derived Species in Polar Ice: A Review,studies of sulphate concentrations in polar ice have been achieved along with determinations of CH.SO.H (MSA), another important sulphur species trapped in snow layers. Such studies have been conducted along both Greenland and Antarctic ice cores spanning the last decades as well as the last great c

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,The Contributions of Wet, Fog, and Dry Deposition to the Summer SO4 2− Flux at Summit, Greenland,d greater than 0.01 μm were measured with continuous monitors. Filter samplers were used to determine the dally average aerosol SO.. concentrations, and impactors were used to determine mass size distributions. Dry deposition velocities for SO.. were estimated using surrogate surfaces (symmetric air

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Biological Sulfur, Clouds and Climate,dimethyl sulfide, a gas produced by marine biota. The reflection of sunlight by marine stratiform clouds is a major feature of the earth’s radiation budget, and these clouds will reflect more sunlight if their liquid water is distributed among more CCN, thus forming more (and smaller) droplets. Thes

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Nitrate in Polar Ice,res extending into the last glaciation. However, the data are not easy to interpret, and we do not yet have an adequate knowledge of even the present-day sources of nitrate to polar snow, nor of the deposition processes that control the concentrations seen. It is clear that anthropogenic pollution h

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