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Atmospheric wet deposition of dissolved organic carbon to a typical anthropogenic-influenced semi-enclosed bay in the western Yellow Sea, China: Flux, sources and potential ecological environmental effects
Xing, Jianwei1,2,4; Song, Jinming1,2,3,4; Yuan, Huamao1,2,3,4; Li, Xuegang1,2,3,4; Li, Ning1,2,3,4; Duan, Liqin1,2,3,4; Qi, Di5
2019-10-30
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume182Pages:9
Corresponding AuthorXing, Jianwei(jwxing@qdio.ac.cn) ; Song, Jinming(jmsong@qdio.ac.cn)
AbstractDissolved Organic Carbon (DOC) is a key organic compound in wet precipitation, but few data are available in China marginal seas. To probe the concentration, deposition flux, seasonality, source and potential ecological environmental effects of precipitation DOC, in this study, one-year precipitation samples were collected at Jiaozhou Bay (JZB), a typical anthropogenic-influenced semi-enclosed bay in the western Yellow Sea for the first time from June 2015 to May 2016. The concentrations of DOC in precipitation were highly variable with a volume-weighted mean (VWM) concentration of 3.63 mg C L-1, which was mostly higher than those in other areas. DOC concentrations were lower in wet season than that in dry season due to the dilution from more amount of rainfall. The wet deposition flux of DOC was calculated to be 3.15 g C m(-2) yr(-1) with 68.7% of which occurred in wet season mainly owing to the promoting of more rainfall amount. Besides, local emissions together with the long-range transport of pollutants were other factors controlling precipitation DOC. Fossil fuel combustion particularly coal burning was considered to be the leading source of precipitation DOC based on correlation analysis with some generally accepted indicators. Wet deposition dominates the external input of DOC at JZB by comparison with riverine input with a percentage of 54%. Heavy storm may exert enrichment effect on DOC levels in the surface water of JZB, and then promote the secondary productivity. This study emphasizes that wet deposition is an important process that should be seriously considered in the models of global/regional carbon biogeochemical cycling.
KeywordDissolved organic carbon (DOC) Wet deposition flux Origins Enrichment effect Jiaozhou bay (JZB)
DOI10.1016/j.ecoenv.2019.109371
Indexed BySCI
Language英语
Funding ProjectShandong Provincial Natural Science Foundation, China[ZR2019BD068] ; Fund of Key Laboratory of Global Change and Marine -Atmospheric Chemistry, SOA[GCMAC1809] ; China Postdoctoral Science Foundation[2019T120613] ; China Postdoctoral Science Foundation[2018M630802] ; National Basic Research Program of China[2015CB452901]
WOS Research AreaEnvironmental Sciences & Ecology ; Toxicology
WOS SubjectEnvironmental Sciences ; Toxicology
WOS IDWOS:000480673000046
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162370
Collection海洋生态与环境科学重点实验室
Corresponding AuthorXing, Jianwei; Song, Jinming
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Ecol & Environm Sci, Qingdao 266237, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
5.SOA, Key Lab Global Change & Marine Atmospher Chem, Xiamen 361005, Fujian, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xing, Jianwei,Song, Jinming,Yuan, Huamao,et al. Atmospheric wet deposition of dissolved organic carbon to a typical anthropogenic-influenced semi-enclosed bay in the western Yellow Sea, China: Flux, sources and potential ecological environmental effects[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,182:9.
APA Xing, Jianwei.,Song, Jinming.,Yuan, Huamao.,Li, Xuegang.,Li, Ning.,...&Qi, Di.(2019).Atmospheric wet deposition of dissolved organic carbon to a typical anthropogenic-influenced semi-enclosed bay in the western Yellow Sea, China: Flux, sources and potential ecological environmental effects.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,182,9.
MLA Xing, Jianwei,et al."Atmospheric wet deposition of dissolved organic carbon to a typical anthropogenic-influenced semi-enclosed bay in the western Yellow Sea, China: Flux, sources and potential ecological environmental effects".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 182(2019):9.
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