Impacts of inland pollution input on coastal water quality of the Bohai Sea
Zhou, Di1; Yu, Miao1; Yu, Junbao1; Li, Yunzhao1; Wang, Xuehong1; Wang, Zhikang1; Lv, Zhenbo1; Yang, Jisong1; Guan, Bo2; Qu, Fanzhu3
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2021-04-15
Volume765Pages:142691
KeywordInland pollution input Coastal water quality Inorganic nitrogen Heavy metals Bohai Sea
DOI10.1016/j.scitotenv.2020.142691
AbstractInland pollutants input is a key impact factor for the coastal water quality of the Bohai Sea. The coastal and inland water pollutant inputs were analyzed by using monitoring data of recent years from the State Oceanic Administration. The results showed that more than 56% of the Bohai Sea area was unclean seawater in 2012, although the water quality improved gradually after that time. In 2017, about one-third of the Bohai Sea area still had unclean seawater. Inorganic nitrogen, reactive phosphate, and petroleum hydrocarbons are the main pollutants in the seawater. A total of approximately 840,000 t of pollutants was transported to the sea each year by major rivers during 2010-2017. Significant correlations (p < 0.05) were found between the third-grade level seawater area and the pollutants of CODcr, petroleum, NO3--N, NH4+-N, NO2--N, Cu, and Pb and between the inferior fourth-grade level seawater area and the pollutants of petroleum, NO2--N, Pb, and NO3--N. The standard discharge rate of terrestrial-source sewage outlets was no more than 50%. The low standard discharge rate of the major terrestrial-source sewage pollutants of CODcr, NH4+-N, TP, BOD5, and SS caused more than 80% of the monitored sea areas adjacent to the selected key sewage outlets to not meet the water quality requirements of the marine functional area. The results suggest that implementing a coastal water management plan is necessary to reduce the heavy ecological burdens on the coastal zone of the Bohai Sea. (C) 2020 Elsevier B.V. All rights reserved.
Funding OrganizationNational Key Research and Development Program of China [2017YFC0505902] ; Project of the Cultivation Plan of Superior Discipline Talent Teams of Universities in Shandong Province: the Coastal Resources and Environment team for Blue -Yellow Area ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [U1806218, U1706220]
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000616232300077
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/30519
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
Affiliation1.Ludong Univ, Univ Shandong, Key Lab Ecol Restorat & Conservat Coastal Wetland, Inst Adv Study Coastal Ecol, Yantai 264003, Peoples R China;
2.Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remedit, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China;
3.Binzhou Univ, Shandong Prov Key Lab Ecoenvironm Sci Yellow Rive, Binzhou 256601, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Di,Yu, Miao,Yu, Junbao,et al. Impacts of inland pollution input on coastal water quality of the Bohai Sea[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,765:142691.
APA Zhou, Di.,Yu, Miao.,Yu, Junbao.,Li, Yunzhao.,Wang, Xuehong.,...&Qu, Fanzhu.(2021).Impacts of inland pollution input on coastal water quality of the Bohai Sea.SCIENCE OF THE TOTAL ENVIRONMENT,765,142691.
MLA Zhou, Di,et al."Impacts of inland pollution input on coastal water quality of the Bohai Sea".SCIENCE OF THE TOTAL ENVIRONMENT 765(2021):142691.
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