Titlebook: Interactions of C, N, P and S Biogeochemical Cycles and Global Change; Roland Wollast,Fred T. Mackenzie,Lei Chou Conference proceedings 19

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C, N, P and S in Rivers: From Sources to Global Inputsaviours in aquatic systems, the occurrence of their specific forms, and the rates of transport by rivers are first considered in this paper. The anthropogenic influences on riverine C, N, P, and S are briefly presented. Finally the global fluvial budgets of the specific forms, including the anthropo

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Interactions of Carbon and Nitrogen Cycles in the Coastal Zonetal zone. Besides the high productivity generally observed on the continental shelves, the carbon cycle in this area exhibits peculiar properties which are of primary interest in terms of global sources and sinks of carbon.

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Air-Sea Exchange of CO2 and Its Relation to Primary Productioncy stems from our realization that we are changing the global climate fundamentally and rapidly by the addition of radiatively active “greenhouse” gases to the atmosphere, CO. foremost among them. The rate of rise of CO. concentrations is considerably mitigated, however, by the existence of a net si

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Air-Sea Exchange of Sulphur and Nitrogen and Their Interaction in the Marine Atmosphereormation and emission of gaseous compounds of these elements in and from seawater, as well as their subsequent reactivity and mutual interaction in the atmosphere. In the case of sulphur, the main gas formed in the oceans is dimethyl sulphide (DMS), although other volatile compounds, such as carbony

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Organic Matter Oxidation in Marine Sedimentstified rates of organic carbon oxidation in sediments and how these rates vary among sedimentary environments, representing a range in sedimentation rates, levels of bottom water oxygen (for example, Canfield, 1989b; Emerson, 1985), and other factors. Also explored has been the relative importance o

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