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Title:
Geochemistry of organic carbon and nitrogen in surface sediments of coastal Bohai Bay inferred from their ratios and stable isotopic signatures
Author: Gao, XueLu(高学鲁)1,2; Yang, YuWei(杨玉玮)1,2,3; Wang, ChuanYuan(王传远)1,2
Source: MARINE POLLUTION BULLETIN
ISSN: 0025-326X
Issued Date: 2012-06-01
Volume: 64, Issue:6, Pages:1148-1155
Keyword: Sediment ; TOC/TN ; Stable isotope ; Organic matter sources ; Coastal Bohai Bay
Subject: Environmental Sciences; Marine & Freshwater Biology
Rank: [Gao, Xuelu; Yang, Yuwei; Wang, Chuanyuan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China; [Gao, Xuelu; Yang, Yuwei; Wang, Chuanyuan] Chinese Acad Sci, Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China; [Yang, Yuwei] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Corresponding Author: Wang, CY (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China.,xlgao@yic.ac.cn ; cywang@yic.ac.cn
Department: 中科院海岸带环境过程与生态修复重点实验室
Abstract: Total organic carbon (TOC), total nitrogen (TN) and their delta C-13 and delta N-15 values were determined for 42 surface sediments from coastal Bohai Bay in order to determine the concentration and identify the source of organic matter. The sampling sites covered both the marine region of coastal Bohai Bay and the major rivers it connects with. More abundant TOC and TN in sediments from rivers than from the marine region reflect the situation that most of the terrestrial organic matter is deposited before it meets the sea. The spatial variation in delta C-13 and delta N-15 signatures implies that the input of organic matter from anthropogenic activities has a more significant influence on its distribution than that from natural processes. Taking the area as a whole, surface sediments in the marine region of coastal Bohai Bay are dominated by marine derived organic carbon, which on average accounts for 62 +/- 11% of TOC. (C) 2012 Elsevier Ltd. All rights reserved.
English Abstract: Total organic carbon (TOC), total nitrogen (TN) and their delta C-13 and delta N-15 values were determined for 42 surface sediments from coastal Bohai Bay in order to determine the concentration and identify the source of organic matter. The sampling sites covered both the marine region of coastal Bohai Bay and the major rivers it connects with. More abundant TOC and TN in sediments from rivers than from the marine region reflect the situation that most of the terrestrial organic matter is deposited before it meets the sea. The spatial variation in delta C-13 and delta N-15 signatures implies that the input of organic matter from anthropogenic activities has a more significant influence on its distribution than that from natural processes. Taking the area as a whole, surface sediments in the marine region of coastal Bohai Bay are dominated by marine derived organic carbon, which on average accounts for 62 +/- 11% of TOC. (C) 2012 Elsevier Ltd. All rights reserved.
WOS Subject Extended: Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS Keyword Plus: GULF-OF-MEXICO ; CONTINENTAL-SHELF ; MARINE-SEDIMENTS ; OCEAN SEDIMENTS ; SOUTHERN CHINA ; RIVER ESTUARY ; NORTH CHINA ; C/N RATIOS ; HONG-KONG ; MATTER
DOC Type: Article
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000306032700023
Citation statistics:
Content Type: 期刊论文
URI: http://ir.yic.ac.cn/handle/133337/5997
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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description.institution: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Gao, Xuelu,Yang, Yuwei,Wang, Chuanyuan. Geochemistry of organic carbon and nitrogen in surface sediments of coastal Bohai Bay inferred from their ratios and stable isotopic signatures[J]. MARINE POLLUTION BULLETIN,2012,64(6):1148-1155.
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