QIBEBT-IR
Carbon pools and fluxes in the China Seas and adjacent oceans
Jiao, Nianzhi1; Liang, Yantao1,2; Zhang, Yongyu2; Liu, Jihua3; Zhang, Yao1; Zhang, Rui1; Zhao, Meixun4; Dai, Minhan1; Zhai, Weidong3; Gao, Kunshan1; Song, Jinming5; Yuan, Dongliang5; Li, Chao6; Lin, Guanghui7; Huang, Xiaoping8; Yan, Hongqiang8; Hu, Limin9; Zhang, Zenghu2; Wang, Long2; Cao, Chunjie2; Luo, Yawei1; Luo, Tingwei1; Wang, Nannan1; Dang, Hongyue1; Wang, Dongxiao8; Zhang, Si8
2018-11-01
发表期刊SCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
卷号61期号:11页码:1535-1563
摘要The China Seas include the South China Sea, East China Sea, Yellow Sea, and Bohai Sea. Located off the Northwestern Pacific margin, covering 4700000 km(2) from tropical to northern temperate zones, and including a variety of continental margins/basins and depths, the China Seas provide typical cases for carbon budget studies. The South China Sea being a deep basin and part of the Western Pacific Warm Pool is characterized by oceanic features; the East China Sea with a wide continental shelf, enormous terrestrial discharges and open margins to the West Pacific, is featured by strong cross-shelf materials transport; the Yellow Sea is featured by the confluence of cold and warm waters; and the Bohai Sea is a shallow semi-closed gulf with strong impacts of human activities. Three large rivers, the Yangtze River, Yellow River, and Pearl River, flow into the East China Sea, the Bohai Sea, and the South China Sea, respectively. The Kuroshio Current at the outer margin of the Chinese continental shelf is one of the two major western boundary currents of the world oceans and its strength and position directly affect the regional climate of China. These characteristics make the China Seas a typical case of marginal seas to study carbon storage and fluxes. This paper systematically analyzes the literature data on the carbon pools and fluxes of the Bohai Sea, Yellow Sea, East China Sea, and South China Sea, including different interfaces (land-sea, sea-air, sediment-water, and marginal sea-open ocean) and different ecosystems (mangroves, wetland, seagrass beds, macroalgae mariculture, coral reefs, euphotic zones, and water column). Among the four seas, the Bohai Sea and South China Sea are acting as CO2 sources, releasing about 0.22 and 13.86-33.60 Tg C yr(-1) into the atmosphere, respectively, whereas the Yellow Sea and East China Sea are acting as carbon sinks, absorbing about 1.15 and 6.92-23.30 Tg C yr(-1) of atmospheric CO2, respectively. Overall, if only the CO2 exchange at the sea-air interface is considered, the Chinese marginal seas appear to be a source of atmospheric CO2, with a net release of 6.01-9.33 Tg C yr(-1), mainly from the inputs of rivers and adjacent oceans. The riverine dissolved inorganic carbon (DIC) input into the Bohai Sea and Yellow Sea, East China Sea, and South China Sea are 5.04, 14.60, and 40.14 Tg C yr(-1), respectively. The DIC input from adjacent oceans is as high as 144.81 Tg C yr(-1), significantly exceeding the carbon released from the seas to the atmosphere. In terms of output, the depositional fluxes of organic carbon in the Bohai Sea, Yellow Sea, East China Sea, and South China Sea are 2.00, 3.60, 7.40, and 5.92 Tg C yr(-1), respectively. The fluxes of organic carbon from the East China Sea and South China Sea to the adjacent oceans are 15.25-36.70 and 43.93 Tg C yr(-1), respectively. The annual carbon storage of mangroves, wetlands, and seagrass in Chinese coastal waters is 0.36-1.75 Tg C yr(-1), with a dissolved organic carbon (DOC) output from seagrass beds of up to 0.59 Tg C yr(-1). Removable organic carbon flux by Chinese macroalgae mariculture account for 0.68 Tg C yr(-1) and the associated POC depositional and DOC releasing fluxes are 0.14 and 0.82 Tg C yr(-1), respectively. Thus, in total, the annual output of organic carbon, which is mainly DOC, in the China Seas is 81.72-104.56 Tg C yr(-1). The DOC efflux from the East China Sea to the adjacent oceans is 15.00-35.00 Tg C yr(-1). The DOC efflux from the South China Sea is 31.39 Tg C yr(-1). Although the marginal China Seas seem to be a source of atmospheric CO2 based on the CO2 flux at the sea-air interface, the combined effects of the riverine input in the area, oceanic input, depositional export, and microbial carbon pump (DOC conversion and output) indicate that the China Seas represent an important carbon storage area.
关键词China Seas "Source" or "sink" of CO2 Carbon pool Carbon flux Biological pump Microbial carbon pump
DOI10.1007/s11430-018-9190-x
关键词[WOS]DISSOLVED ORGANIC-CARBON ; SOUTHERN YELLOW SEA ; SUBMARINE GROUNDWATER DISCHARGE ; EDIACARAN DOUSHANTUO FORMATION ; SURFACE PARTIAL-PRESSURE ; LARGE CONTINENTAL-SHELF ; TIME-SERIES SITE ; AIR CO2 FLUXES ; INORGANIC CARBON ; BLUE CARBON
语种英语
资助项目National Key Research and Development Program of China[2016YFA0601400] ; National Natural Science Foundation of China[91751207] ; National Natural Science Foundation of China[91428308] ; National Natural Science Foundation of China[41722603] ; National Natural Science Foundation of China[41606153] ; National Natural Science Foundation of China[41422603] ; Fundamental Research Funds for the Central Universities[20720170107] ; CNOOC Projects[CNOOC-KJ125FZDXM00TJ001-2014] ; CNOOC Projects[CNOOC-KJ125FZDXM00ZJ001-2014]
WOS研究方向Geology
项目资助者National Key Research and Development Program of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; CNOOC Projects
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000449781200001
出版者SCIENCE PRESS
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/11050
专题中国科学院青岛生物能源与过程研究所
通讯作者Jiao, Nianzhi
作者单位1.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen 361101, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Shandong Prov Key Lab Energy Genet, Qingdao 266101, Peoples R China
3.Shandong Univ, Inst Marine Sci & Technol, Qingdao 266273, Peoples R China
4.Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao 266100, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
6.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
7.Tsinghua Univ, Dept Earth Syst Sci, Minist Educ, Key Lab Earth Syst Modeling, Beijing 100084, Peoples R China
8.Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
9.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
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GB/T 7714
Jiao, Nianzhi,Liang, Yantao,Zhang, Yongyu,et al. Carbon pools and fluxes in the China Seas and adjacent oceans[J]. SCIENCE CHINA-EARTH SCIENCES,2018,61(11):1535-1563.
APA Jiao, Nianzhi.,Liang, Yantao.,Zhang, Yongyu.,Liu, Jihua.,Zhang, Yao.,...&Zhang, Si.(2018).Carbon pools and fluxes in the China Seas and adjacent oceans.SCIENCE CHINA-EARTH SCIENCES,61(11),1535-1563.
MLA Jiao, Nianzhi,et al."Carbon pools and fluxes in the China Seas and adjacent oceans".SCIENCE CHINA-EARTH SCIENCES 61.11(2018):1535-1563.
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