Potential new production in two upwelling regions of the western Arabian Sea: Estimation and comparison
Liao, Xiaomei; Zhan, Haigang; Du, Yan; Zhan, HG; Du, Y (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China.
2016
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号121期号:7页码:4487-4502
摘要Using satellite-derived and in situ data, the wind-driven potential new production (nitrate supply) for the 300 km wide coastal band in two upwelling regions of the western Arabian Sea (AS) during the southwest monsoon is estimated. The upward nitrate flux to the euphotic zone is generally based on the physical processes of coastal transport (Ekman transport and geostrophic transport) and offshore Ekman pumping. The coastal geostrophic current in the western AS influences the upwelling intensity and latitudinal distributions of nitrate supply. The Oman and Somalia upwelling regions have similar level of potential new production (nitrate supply) during the summer monsoon, while the satellite estimates of primary production off Oman are 2 times greater than those off Somalia. The much higher potential f-ratio in the Somalia upwelling region indicates that the primary production could be limited by availability of other macronutrients (e.g., silicate). The correlation analysis of the primary production and the aerosol optical thickness shows that the Oman upwelling region displays a stronger coupling between the atmospheric deposition and the phytoplankton abundance. The high summertime dust levels in the atmosphere are suggested to contribute to the high primary production in the Oman upwelling region.
部门归属[Liao, Xiaomei; Zhan, Haigang; Du, Yan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Liao, Xiaomei] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China ; LTO
关键词Potential New Production Nitrate Supply Upwelling Atmospheric Deposition Summer Monsoon Western Arabian Sea
学科领域Oceanography
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15349
专题热带海洋环境国家重点实验室(LTO)
通讯作者Zhan, HG; Du, Y (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China.
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GB/T 7714
Liao, Xiaomei,Zhan, Haigang,Du, Yan,et al. Potential new production in two upwelling regions of the western Arabian Sea: Estimation and comparison[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2016,121(7):4487-4502.
APA Liao, Xiaomei,Zhan, Haigang,Du, Yan,Zhan, HG,&Du, Y .(2016).Potential new production in two upwelling regions of the western Arabian Sea: Estimation and comparison.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,121(7),4487-4502.
MLA Liao, Xiaomei,et al."Potential new production in two upwelling regions of the western Arabian Sea: Estimation and comparison".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 121.7(2016):4487-4502.
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