Dissolved, particulate, and sedimentary organic matter in the Cai River basin (Nha Trang Bay of the South China Sea)

被引：7
|
作者：
Lobus, N. V. [1 ]
Peresypkin, V. I. [1 ]
Shulga, N. A. [1 ]
Drozdova, A. N. [1 ]
Gusev, E. S. [2 ]
机构：
[1] Russian Acad Sci, Shirshov Inst Oceanol, Moscow, Russia
[2] Russian Acad Sci, Papanin Inst Biol Inland Waters, Borok, Russia
来源：
OCEANOLOGY | 2015年 / 55卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
N-ALKANES; WATER;
D O I：
10.1134/S0001437015030121
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The data were obtained on the content of organic carbon in the water, particulate matter, and bottom sediments of the Cai River and its tributaries (the basin of Nha Trang Bay). The surface waters of the considered basin contained OM mainly in a dissolved form (DOC/POC = 3). The fraction of C-org in particulate matter amounted to 4.9% on average. Based on the analysis of n-alkanes in bottom sediments, three OM types-autochthonous, mixed, and mainly terrigenous genesis-were distinguished. These types are alternated in series in the lengthwise profile of the river. All the OM types are in close relation to the peculiarities of sedimentation and hydrodynamics of the waters in the treated aquatic area. The geochemical indices (Pr/Ph, OEP17-19, and CPI values) represent the influence of oxidative conditions on OM formation and the intense microbiological transformation of its autochthonous component.
引用
收藏
页码：339 / 346
页数：8
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