Relative contributions of temperature and salinity to steric sea level over the South China Sea

作     者：Jin SHA Xiaoming LI Xiaohai YAN Jin SHA;Xiaoming LI;Xiaohai YAN

作者机构：Key Laboratory of Digital Earth ScienceAerospace Information Research InstituteChinese Academy of SciencesBeijing 100094China Hainan Key Laboratory of Earth ObservationSanya 502022China Center for Remote SensingCollege of EarthOcean and EnvironmentUniversity of DelawareNewark 19711DEUSA Joint Institute for Coastal Research and ManagementUniversity of Delaware/Xiamen UniversityUSA/China 

出 版 物：《Journal of Oceanology and Limnology》 (海洋湖沼学报（英文）)

年 卷 期：2022年第40卷第2期

页      面：428-437页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 0707[理学-海洋科学] 

基　　金：Supported by the National Key R&D Program of China(No.2016YFC1401008) the National Natural Science Foundation of China(No.41706203) 

主　　题：South China Sea(SCS) steric height steric constitution 

摘      要：The relative contributions of surface temperature and salinity to steric sea-level variations are investigated using satellite observations and reanalysis *** defi ning a contribution factor,the relative roles of thermal and haline steric height variations are quantifi ed over the South China Sea(SCS).The thermosteric height dominates the steric sea level variation in the northern SCS deep basin,while the contribution of the halosteric height increases *** investigation reveals that this transition is related to the meridional imbalance of surface heat flux and precipitation *** revealed steric constitution distribution is not confi ned to the surface but extends within the upper layer to approximately 50m depth,and then the thermosteric component dominates from the depth *** results of this study clarify the steric sea level constitution over the SCS,benefit the understanding of sea-level variations at the regional scale,and may further facilitate multisensor remote sensing data mining studies.