Seasonal variations of sea level anomaly in the subtropical front zone based on satellite-derived data from 2003-2009
Qiu, Chunhua; Chen, Jie; Shangguan, Maosen; Mao, Huabin; Mao, HB (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
2016
发表期刊AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
卷号19期号:3页码:270-275
摘要We investigated seasonal variations in the sea level anomaly in the northwestern Pacific subtropical front zone using weekly satellite-derived products and in situ observations from 2003 to 2009. The sea level anomalies had different seasonal cycles in the cold, front and warm zones. In the former two zones, peak values appeared (similar to 15 cm) in July-August and hollow values (similar to-10 cm) in February-March; in the warm zone, sea level anomalies had no apparent seasonal variations. We found that the correlation between sea level anomaly and sea surface temperature reached values of 0.76 in the cold and front zones, but only 0.38 in the warm zone. The steric height anomaly explained 70% variances of sea level anomaly in the former two zones but only 25% in the warm zone. We examined the mechanisms of the different patterns of sea level anomaly variation among the three different zones and concluded that the steric height anomaly induced by air-sea heat exchanges controlled the seasonal variations of sea level anomaly in the former two zones, while the barotropic term accompanied with subtropical countercurrent lead to the obscure seasonal variations in the warm zone. These high frequency variations merit future study.
部门归属[Qiu, Chunhua] Sun Yat Sen Univ, Sch Marine Sci, Ctr Coastal Ocean Sci & Technol, Guangzhou 510275, Guangdong, Peoples R China; [Qiu, Chunhua] Sun Yat Sen Univ, Sch Marine Sci, Guangdong Prov Key Lab Marine Resources & Coastal, Guangzhou 510275, Guangdong, Peoples R China; [Chen, Jie; Shangguan, Maosen] State Ocean Adm, South China Sea Environm Monitoring Ctr, Guangzhou 510300, Guangdong, Peoples R China; [Mao, Huabin] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; LTO
关键词Sea Surface Temperature Front Air-sea Heat Flux Steric Height
学科领域Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15574
专题热带海洋环境国家重点实验室(LTO)
通讯作者Mao, HB (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
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Qiu, Chunhua,Chen, Jie,Shangguan, Maosen,et al. Seasonal variations of sea level anomaly in the subtropical front zone based on satellite-derived data from 2003-2009[J]. AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2016,19(3):270-275.
APA Qiu, Chunhua,Chen, Jie,Shangguan, Maosen,Mao, Huabin,&Mao, HB .(2016).Seasonal variations of sea level anomaly in the subtropical front zone based on satellite-derived data from 2003-2009.AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,19(3),270-275.
MLA Qiu, Chunhua,et al."Seasonal variations of sea level anomaly in the subtropical front zone based on satellite-derived data from 2003-2009".AQUATIC ECOSYSTEM HEALTH & MANAGEMENT 19.3(2016):270-275.
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