Contribution of Outer-Shelf Deep Water to the Nutrient Inventories in the Euphotic Zone of the Changjiang River Plume during Summer
Li, De-wang; Chen, Jian-fang; Wang, Kui; Li, Hong-liang; Gao, Sheng-quan; Jin, Hai-yan; Xu, Jie; Huang, Da-ji; Weng, Huan-xin; Chen, JF (reprint author), State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China.; Chen, JF (reprint author), State Ocean Adm, Inst Oceanog 2, Lab Marine Ecosyst & Biogeochem, Hangzhou 310012, Zhejiang, Peoples R China.
2016
发表期刊JOURNAL OF COASTAL RESEARCH
卷号32期号:5页码:1081-1091
摘要The nutrient supply to the euphotic zone of high-productivity areas in the Changjiang Estuary is crucial to understanding ecological processes. Previous studies suggested that Changjiang Diluted Water (CDW) and Outer-Shelf Deep Water (ODW) are the two main sources for nutrient supply, while a quantitative estimate of each nutrient species to the euphotic zone remains unknown. Based on a field survey and an end-member mixing model, the nutrient inventories of ODW and its contribution to the model-predicted nutrient inventory in the euphotic zone of the Changjiang River plume impacted area were assessed. Upwelling of ODW was identified, indicating that it significantly contributed to nutrient inventories in the upper layer. The nutrient inventory estimate suggested that the area integrated nutrient inventories of ODW were higher than those of CDW in the euphotic zone of the plume-impacted area. As inferred from the mixing model, the contributions of ODW to the dissolved inorganic nitrogen (contains nitrate, nitrite, and ammonia)and silicate inventories in the euphotic zone were 18.2% and 28.1%, respectively, much lower than those of CDW. However, 37.6% and 39.1% of the phosphate inventory were from ODW and CDW, respectively, indicating that ODW phosphate contribution was comparable with that of CDW in the euphotic zone.
部门归属[Li, De-wang; Weng, Huan-xin] Zhejiang Univ, Sch Earth Sci, Inst Environm & Biogeochem, Hangzhou 310027, Peoples R China; [Chen, Jian-fang; Jin, Hai-yan; Huang, Da-ji] State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China; [Chen, Jian-fang; Wang, Kui; Li, Hong-liang; Gao, Sheng-quan; Jin, Hai-yan] State Ocean Adm, Inst Oceanog 2, Lab Marine Ecosyst & Biogeochem, Hangzhou 310012, Zhejiang, Peoples R China; [Xu, Jie] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; LTO
关键词Phosphate Upwelling Estuary
学科领域Environmental Sciences & Ecology ; Physical Geography ; Geology
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15253
专题热带海洋环境国家重点实验室(LTO)
通讯作者Chen, JF (reprint author), State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China.; Chen, JF (reprint author), State Ocean Adm, Inst Oceanog 2, Lab Marine Ecosyst & Biogeochem, Hangzhou 310012, Zhejiang, Peoples R China.
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GB/T 7714
Li, De-wang,Chen, Jian-fang,Wang, Kui,et al. Contribution of Outer-Shelf Deep Water to the Nutrient Inventories in the Euphotic Zone of the Changjiang River Plume during Summer[J]. JOURNAL OF COASTAL RESEARCH,2016,32(5):1081-1091.
APA Li, De-wang.,Chen, Jian-fang.,Wang, Kui.,Li, Hong-liang.,Gao, Sheng-quan.,...&Chen, JF .(2016).Contribution of Outer-Shelf Deep Water to the Nutrient Inventories in the Euphotic Zone of the Changjiang River Plume during Summer.JOURNAL OF COASTAL RESEARCH,32(5),1081-1091.
MLA Li, De-wang,et al."Contribution of Outer-Shelf Deep Water to the Nutrient Inventories in the Euphotic Zone of the Changjiang River Plume during Summer".JOURNAL OF COASTAL RESEARCH 32.5(2016):1081-1091.
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