Input of organic carbon as determinant of nutrient fluxes,light climate and productivity in the Ob and Yenisey estuaries |
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| Authors: | Dag O. Hessen,JoLynn Carroll,Berit Kjeldstad,Anton A. Korosov,Lasse H. Pettersson,Dmitry Pozdnyakov,Kai Sø rensen |
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| Affiliation: | 1. University of Oslo, Department of Biology, CEES, P.O.Box 1066 Blindern, 0316 Oslo, Norway;2. Akvaplan-niva, Polar Environmental Centre, 9296 Tromsø, Norway;3. Norwegian University of Science and Technology, Department of Physics, 7491 Trondheim, Norway;4. Nansen International Environmental and Remote Sensing Centre, 14 Line V.O. 7, 199034, St. Petersburg, Russia;5. Nansen Environmental and Remote Sensing Center, Thormøhlensgate 47, N-5006, Bergen, Norway;6. Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, 0349 Oslo, Norway |
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| Abstract: | Spectral light attenuation profiles and concentrations of total and dissolved carbon (C), nutrients and chlorophyll a (Chla) were studied along transects running from the river mouth to the Kara Sea during late summer 2003 for the Yenisey and fall 2005 for the Ob estuaries. Earth Observation data were used to generate composite images of water color and Chla distribution over the estuaries and the Kara Sea to reveal the spatial impact of the river efflux in terms of optical properties. |
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| Keywords: | Arctic rivers DOC nutrients irradiation Kara Sea production |
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