Composition of the organic matter of the water,suspended matter,and bottom sediments in Nha Trang Bay in Vietnam in the South China Sea |
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| Authors: | V I Peresypkin A V Smurov N A Shulga E S Safonova T G Smurova Ch V Bang |
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| Institution: | 1.Shirshov Institute of Oceanology,Russian Academy of Sciences,Moscow,Russia;2.Physical Geography Museum,Moscow State University,Moscow,Russia;3.Russian-Vietnamese Tropical Research and Technology Center,Primorye Branch, Nha Trang,Vietnam |
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| Abstract: | Research has been conducted in Nha Trang Bay (Southern Vietnam, the South China Sea) at the section from the estuary of the
Cai River to the marine part of the bay, as well as in the area of coral reefs. The objects of the studies are the river and
sea waters, the suspended matter, and the bottom sediments. Data on the dissolved organic carbon and the total nitrogen in
the water are obtained. The organic carbon content is estimated in the suspended matter; the organic carbon and the molecular
and group composition of the n-alkanes are determined in the bottom sediments. The molecular and group composition of the n-alkanes in the bottom sediments of the landfill have made it possible to identify three types of organic matter (OM): marine,
mixed, and of mainly terrigenous origin. All the types of OM are closely related to the specificity of the sedimentation and
the hydrodynamics of the waters in this water area. |
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