The influence of the Amur river runoff on the biogeochemical cycle of iron in the Sea of Okhotsk |
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| Authors: | V M Shulkin I A Zhabin A A Abrosimova |
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| Institution: | 1. Pacific Oceanological Institute, Far East Branch, Russian Academy of Sciences, Vladivostok, Russia
2. Pacific Institute of Geography, Far East Branch, Russian Academy of Sciences, Vladivostok, Russia
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| Abstract: | The report considers the distribution of the salinity, the particulate matter, and the dissolved and particulate forms of iron in the Amur Liman and Sakhalin Gulf under different volumes of the riverine runoff during the summer periods. It was shown that the influence of the runoff variations is pronounced in the composition of the surface layer of the estuarine and coastal waters but smoothed within the bounds of the Sakhalin Gulf. The dissolved iron is additionally exposed to the smoothing effect of the coagulation processes under the mixing of the riverine and marine waters. The calculation of the iron utilization by the plankton points to the key role of the production processes in the Sakhalin Gulf for the further migration of iron over the Sea of Okhotsk. |
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