The use of satellite data to characterize phytoplankton in Sea of Okhotsk water |
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| Authors: | O V Zenkin A V Leonov V M Pishchalnik S A Pokrashenko |
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| Institution: | (1) Sakhalin Branch, Far East Geological Institute, Far East Division, Russian Academy of Sciences, Yuzhno-Sakhalinsk, Russia;(2) Institute of Oceanology, Russian Academy of Sciences, Nakhimovskii prosp. 36, Moscow, 117997, Russia;(3) Sakhalin Energy Investment Company Ltd., Novinskii bulv. 31, Moscow, 123242, Russia |
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| Abstract: | For the identification of natural processes taking place in surface water layer in the Sea of Okhotsk and nearby water areas, satellite data were used to determine seasonal variations of chlorophyll “a” concentration and the problem of water typification by satellite data in the visible light range was solved. Analysis of the annual cycle of phytoplankton concentration variations confirmed the presence of a short explosion in phytoplankton population in the southern Sea of Okhotsk during ice cover formation, which had been predicted before by model calculations. Classes of water reflecting different geoenvironmental situations were identified for characteristic regions of the Sea of Okhotsk. The dependences of chlorophyll “a” concentration growth on temperature were calculated, and corrections were introduced in the standard relationships used in biooptic algorithms for different parts of the Sea of Okhotsk. |
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