Fluxes of chemical oxygen demand and nutrients in coastal rivers and their influence on water quality evolution in the Bohai Sea
文献类型：期刊论文
| 作者 | Li, Zhaoran2,3; Tian, Chongguo1 ; Sheng, Yanqing3
|
| 刊名 | REGIONAL STUDIES IN MARINE SCIENCE
 |
| 出版日期 | 2022-05-01 |
| 卷号 | 52页码:11 |
| 关键词 | Chemical oxygen demand Nutrient Flux Coastal river Bohai Sea |
| ISSN号 | 2352-4855 |
| DOI | 10.1016/j.rsma.2022.102322 |
| 通讯作者 | Sheng, Yanqing(yqsheng@yic.ac.cn) |
| 英文摘要 | Chemical oxygen demand (COD) and nutrient level in water are key parameters for monitoring and assessing water quality. This study systematically investigated the fluxes of COD (CODCr, acidic CODMn, and alkaline CODMn) and nutrients (NH+4 -N, NO-3 -N, NO-2 -N, and PO3- 4 -P) in 36 major coastal rivers and their influence on the evolution of water quality in the Bohai Sea (BS). The results showed that most of the rivers around the BS are already heavily polluted considering COD, whereas they were less polluted by nutrients. The proportions of COD, NO-2 -N, and PO3- 4 -P during the rainy season, normal water season, and withered water period decreased, but the proportions of NH+4 -N and NO- 3 N increased. The fluxes of COD and PO3-4 -P were significantly affected by runoff, whereas the flux of dissolved inorganic nitrogen (DIN) was significantly affected by the concentration of DIN The molar N/P ratios in coastal rivers were higher than those in the BS. The molar N/P ratios obtained from the State Oceanic Administration of China (SOA) data and those calculated according to river fluxes had a significant linear correlation. The variation in the alkaline CODMn concentration announced by SOA was consistent with that calculated according to river fluxes, but the variation in DIN and PO3- concentrations was not consistent. The fluxes of CODCr and nutrients have decreased in recent years due to the implementation of pollution management schemes. This study provides a scientific reference for restoring ecological environment and protecting water quality in the BS. (c) 2022 Elsevier B.V. All rights reserved. |
| WOS关键词 | OCEAN GOVERNANCE ; POLLUTION ; BAY ; CHINA ; DELTA ; COD ; SALINITY ; DYNAMICS ; PATTERNS ; NITROGEN |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| 语种 | 英语 |
| WOS记录号 | WOS:000793641200001 |
| 资助机构 | Key Project of Shandong Provincial Natural Science Foundation ; Strategic Priority Research Program of the Chinese Academy of Sciences |
| 源URL | [http://ir.yic.ac.cn/handle/133337/31077]  |
| 专题 | 烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室 烟台海岸带研究所_近岸生态与环境实验室 烟台海岸带研究所_山东省海岸带环境工程技术研究中心 |
| 通讯作者 | Sheng, Yanqing |
| 作者单位 | 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res, Yantai, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Zhaoran,Tian, Chongguo,Sheng, Yanqing. Fluxes of chemical oxygen demand and nutrients in coastal rivers and their influence on water quality evolution in the Bohai Sea[J]. REGIONAL STUDIES IN MARINE SCIENCE,2022,52:11. |
| APA | Li, Zhaoran,Tian, Chongguo,&Sheng, Yanqing.(2022).Fluxes of chemical oxygen demand and nutrients in coastal rivers and their influence on water quality evolution in the Bohai Sea.REGIONAL STUDIES IN MARINE SCIENCE,52,11. |
| MLA | Li, Zhaoran,et al."Fluxes of chemical oxygen demand and nutrients in coastal rivers and their influence on water quality evolution in the Bohai Sea".REGIONAL STUDIES IN MARINE SCIENCE 52(2022):11. |
入库方式： OAI收割
来源：烟台海岸带研究所
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