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Sea surface cooling in the Northern South China Sea observed using Chinese sea-wing underwater glider measurements
Qiu, Chunhua; Mao, Huabin; Yu JC(俞建成); Xie, Qiang; Wu, Jiaxue; Lian, Shumin; Liu, Qinyan
作者部门水下机器人研究室
关键词Sea Surface Cooling Sea-wing Underwater Glider Mixed Layer Depth Heat Budget
发表期刊Deep-Sea Research Part I: Oceanographic Research Papers
ISSN0967-0637
2015
卷号105页码:111-118
收录类别SCI ; EI
EI收录号20153801290606
WOS记录号WOS:000364349300009
产权排序3
资助机构National Natural Science Foundation of China(41406043, 41406002, and 61233013), National Basic Research Program of China(2013CB956502), and the Fundamental Research Funds for the Central Universities.
摘要Based on 26 days of Chinese Sea-wing underwater glider measurements and satellite microwave data, we documented cooling of the upper mixed layer of the ocean in response to changes in the wind in the Northern South China Sea (NSCS) from September 19, 2014, to October 15, 2014. The Sea-wing underwater glider measured 177 profiles of temperature, salinity, and pressure within a 55km×55km area, and reached a depth of 1000m at a temporal resolution of ~4h. The study area experienced two cooling events, Cooling I and Cooling II, according to their timing. During Cooling I, water temperature at 1-m depth (T1) decreased by ~1.0°C, and the corresponding satellite-derived surface winds increased locally by 4.2m/s. During Cooling II, T1 decreased sharply by 1.7°C within a period of 4 days; sea surface winds increased by 7m/s and covered the entire NSCS. The corresponding mixed layer depth (MLD) deepened sharply from 30m to 60m during Cooling II, and remained steady during Cooling I. We estimated temperature tendencies using a ML model. High resolution Sea-wing underwater glider measurements provided an estimation of MLD migration, allowing us to obtain the temporal entrainment rate of cool sub-thermocline water. Quantitative analysis confirmed that the entrainment rate and latent heat flux were the two major components that regulated cooling of the ML, and that the Ekman advection and sensible heat flux were small.
语种英语
WOS标题词Science & Technology ; Physical Sciences
WOS类目Oceanography
关键词[WOS]UPPER OCEAN RESPONSE ; MIXED-LAYER DEPTH ; INDIAN-OCEAN ; CIRCULATION
WOS研究方向Oceanography
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/16976
专题水下机器人研究室
通讯作者Mao, Huabin
作者单位1.The Center for Coastal Ocean Science and Technology, School of Marine Sciences, Sun Yat-sen University, China
2.State key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, China
3.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, China
4.Sanya Institute of Deep-sea Science of Engineering, Chinese Academy of Sciences, China
5.Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, School of Marine Sciences, Sun Yat-sen University, China
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Qiu, Chunhua,Mao, Huabin,Yu JC,et al. Sea surface cooling in the Northern South China Sea observed using Chinese sea-wing underwater glider measurements[J]. Deep-Sea Research Part I: Oceanographic Research Papers,2015,105:111-118.
APA Qiu, Chunhua.,Mao, Huabin.,Yu JC.,Xie, Qiang.,Wu, Jiaxue.,...&Liu, Qinyan.(2015).Sea surface cooling in the Northern South China Sea observed using Chinese sea-wing underwater glider measurements.Deep-Sea Research Part I: Oceanographic Research Papers,105,111-118.
MLA Qiu, Chunhua,et al."Sea surface cooling in the Northern South China Sea observed using Chinese sea-wing underwater glider measurements".Deep-Sea Research Part I: Oceanographic Research Papers 105(2015):111-118.
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