Академическое издательство «Гео»

Keywords: streamflow, aerial depositions, offshore water areas, nitrogen, phosphorus, metals.



GEOGRAPHY AND NATURAL RESOURCES, 2012, № 2, p. 135-140

Comparative assessment of the aerial and fluvial entry of matter into marine ecosystems

V.M. Shul’kin

shulkin@tig.dvo.ru

Calculated indicators are suggested, which make it possible to assess the size of maritime water areas with a different relationship between streamflow and aerial depositions (dissolved forms of nitrogen, phosphorus, Fe, Mn, Zn, Cu, Pb, and Cd). The role of streamflow decreases for the Fe, Mn, P > Cu, N > Zn > Pb > Pd series. Furthermore, the aerial entry of Pb and Cd is dominant throughout most of all the water areas used in the study. By comparing the resulting assessments with the size of actual water areas, it is possible to carry out a zoning of the offshore waters as regards the intensity of supply and the contributors of matter from land surface.

Keywords: streamflow, aerial depositions, offshore water areas, nitrogen, phosphorus, metals.
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