Evolution of the sink and source of dissolved inorganic nitrogen with salinity as a tracer during summer in the Pearl River Estuary
Wu, Mei-Lin; Hong, Yi-Guo; Yin, Jian-Ping; Dong, Jun-De; Wang, You-Shao; Wang, YS (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.; Wang, YS (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China.; Wang, YS (reprint author), Chinese Acad Sci, Marine Biol Res Stn Daya Bay, Shenzhen 518121, Peoples R China.
2016
发表期刊SCIENTIFIC REPORTS
卷号6页码:36638
摘要In this study, we evaluated the sink and source of the surface water along the PRE using a mixing model method with salinity as tracer. The observational data showed that the decreasing of dissolved inorganic nitrogen (DIN) did not closely follow the physical mixing lines of freshwater and modified seawater. In the western part, DIN consumption by phytoplankton and bacteria uptake (Delta DIN) varied from 15.81 mu mol L-1 to 88.53 mu mol L-1. On the contrary, in the eastern part, Delta DIN varied from -63.66 mu mol L-1 to -10.45 mu mol L-1. DIN source in the eastern part may be mainly caused by organic matter decomposition, while DIN remove is strongly associated with phytoplankton growth and bacteria consumption. These differential behaviors of the estuary with respect to DIN are largely due to varying degrees of hydrodynamics due to different topography in the two areas. Sensitivity analysis indicated reduction strategies of DIN inputs to coastal waters may improve environment quality in the PRE, due to DIN changes in the freshwater end-member having a determined influence on biological activities (R). Our results indicate that the model may be a valuable way to address the sources and sink of DIN in the river-dominated estuaries.
部门归属[Wu, Mei-Lin; Hong, Yi-Guo; Yin, Jian-Ping; Dong, Jun-De; Wang, You-Shao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Wu, Mei-Lin; Hong, Yi-Guo; Yin, Jian-Ping; Dong, Jun-De; Wang, You-Shao] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Wu, Mei-Lin; Yin, Jian-Ping; Wang, You-Shao] Chinese Acad Sci, Marine Biol Res Stn Daya Bay, Shenzhen 518121, Peoples R China ; LTO
学科领域Science & Technology - Other Topics
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15240
专题热带海洋环境国家重点实验室(LTO)
通讯作者Wang, YS (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.; Wang, YS (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China.; Wang, YS (reprint author), Chinese Acad Sci, Marine Biol Res Stn Daya Bay, Shenzhen 518121, Peoples R China.
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Wu, Mei-Lin,Hong, Yi-Guo,Yin, Jian-Ping,et al. Evolution of the sink and source of dissolved inorganic nitrogen with salinity as a tracer during summer in the Pearl River Estuary[J]. SCIENTIFIC REPORTS,2016,6:36638.
APA Wu, Mei-Lin.,Hong, Yi-Guo.,Yin, Jian-Ping.,Dong, Jun-De.,Wang, You-Shao.,...&Wang, YS .(2016).Evolution of the sink and source of dissolved inorganic nitrogen with salinity as a tracer during summer in the Pearl River Estuary.SCIENTIFIC REPORTS,6,36638.
MLA Wu, Mei-Lin,et al."Evolution of the sink and source of dissolved inorganic nitrogen with salinity as a tracer during summer in the Pearl River Estuary".SCIENTIFIC REPORTS 6(2016):36638.
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