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学科主题: Limnology; Oceanography
题名: Low-frequency variations in primary production in the Oman upwelling zone associated with monsoon winds
作者: Liao, XM ; Zhan, HG ; Wei, X
通讯作者: hgzhan@scsio.ac.cn
关键词: primary production ; interannual variability ; El Nino ; Oman upwelling zone
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2012
卷: 30, 期:6, 页:1045-1053
部门归属: [Liao Xiaomei; Zhan Haigang; Wei Xing] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Liao Xiaomei] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
项目归属: LTO
摘要: Thirteen-year satellite-derived data are used to investigate the temporal variability of net primary production (NPP) in the Oman upwelling zone and its potential forcing mechanisms. The NPP in the Oman upwelling zone is characterized by an abnormal decrease during El Nio events. Such an NPP decrease may be related to El Nio-driven anomalous summertime weak wind. During the summer following El Nio, the anomalous northeasterly wind forced by southwest Indian Ocean warming weakens the southwest monsoon and warms the Arabian Sea. The abnormal wind weakens the coastal Ekman transport, offshore Ekman pumping and horizontal advection, resulting in reduced upward nutrient supply to the euphotic zone. A slightly declining trend in NPP after 2000 associated with a gradual decrease in surface monsoon winds is discussed.
语种: 英语
WOS记录号: WOS:000311286500017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10067
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Liao, XM; Zhan, HG; Wei, X.Low-frequency variations in primary production in the Oman upwelling zone associated with monsoon winds,CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(6):1045-1053
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