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Estimation of nutrient discharge from the Yangtze River to the East China Sea and the identification of nutrient sources
Tong, Yindong1,2,3; Bu, Xiaoge1; Chen, Junyue4; Zhou, Feng2; Chen, Long2; Liu, Maodian2; Tan, Xin1; Yu, Tao5; Zhang, Wei6; Mi, Zhaorong7; Ma, Lekuan3; Wang, Xuejun; Ni, Jing8
2017-01-05
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
Volume321Pages:728-736
SubtypeArticle
AbstractBased on a time-series dataset and the mass balance method, the contributions of various sources to the nutrient discharges from the Yangtze River to the East China Sea are identified. The results indicate that the nutrient concentrations vary considerably among different sections of the Yangtze River. Non-point sources are an important source of nutrients to the Yangtze River, contributing about 36% and 63% of the nitrogen and phosphorus discharged into the East China Sea, respectively. Nutrient inputs from non-point sources vary among the sections of the Yangtze River, and the contributions of non-point sources increase from upstream to downstream. Considering the rice growing patterns in the Yangtze River Basin, the synchrony of rice tillering and the wet seasons might be an important cause of the high nutrient discharge from the non-point sources. Based on our calculations, a reduction of 0.99 Tg per year in total nitrogen discharges from the Yangtze River would be needed to limit the occurrences of harmful algal blooms in the East China Sea to 15 times per year. The extensive construction of sewage treatment plants in urban areas may have only a limited effect on reducing the occurrences of harmful algal blooms in the future. (C) 2016 Elsevier B.V. All rights reserved.
KeywordYangtze River Nutrient Discharges Non-point Sources Yangtze River Estuary Harmful Algal Blooms
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jhazmat.2016.09.011
WOS KeywordCHANGJIANG RIVER ; NITROGEN ; FLUXES ; IMPACTS ; ECOSYSTEM ; CLIMATE ; CARBON ; LOADS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(41130535 ; Ministry of Science and Technology, China(2015FY111000) ; Natural Science Foundation of Tianjin(16JCQNJC08300) ; 41501517 ; 41571484)
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Engineering, Civil ; Environmental Sciences
WOS IDWOS:000388777300077
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/6678
Collection中国科学院西北高原生物研究所
Affiliation1.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
2.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
3.Chinese Acad Environm Planning, Beijing 100012, Peoples R China
4.Ningbo Univ, Yang Ming Inst, Ningbo 315122, Zhejiang, Peoples R China
5.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
6.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China
7.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
8.Haian Environm Protect Bur, Haian 226600, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Tong, Yindong,Bu, Xiaoge,Chen, Junyue,et al. Estimation of nutrient discharge from the Yangtze River to the East China Sea and the identification of nutrient sources[J]. JOURNAL OF HAZARDOUS MATERIALS,2017,321:728-736.
APA Tong, Yindong.,Bu, Xiaoge.,Chen, Junyue.,Zhou, Feng.,Chen, Long.,...&Ni, Jing.(2017).Estimation of nutrient discharge from the Yangtze River to the East China Sea and the identification of nutrient sources.JOURNAL OF HAZARDOUS MATERIALS,321,728-736.
MLA Tong, Yindong,et al."Estimation of nutrient discharge from the Yangtze River to the East China Sea and the identification of nutrient sources".JOURNAL OF HAZARDOUS MATERIALS 321(2017):728-736.
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