基于卫星重力、卫星测高和温盐度综合数据的中国近海各区域海平面变化

doi:10.7523/j.issn.2095-6134.2017.03.011

中国科学院大学学报 ›› 2017, Vol. 34 ›› Issue (3): 371-379.DOI: 10.7523/j.issn.2095-6134.2017.03.011

基于卫星重力、卫星测高和温盐度综合数据的中国近海各区域海平面变化

常乐¹, 钱安², 易爽¹, 徐长仪³, 孙文科¹

1. 中国科学院大学, 北京 100049;
2. 防灾科技学院, 北京 101601;
3. 中国地震局地震预测研究所, 北京 100036

收稿日期:2016-08-04 修回日期:2016-11-17 发布日期:2017-05-15
通讯作者: 孙文科,E-mail:sunw@ucas.ac.cn
基金资助:
国家自然科学基金（41331066，41474059），中国科学院科学研究重点计划项目（QYZDY-SSW-SYS003）和中国科学院/外国专家局创新团队国际合作伙伴计划项目（KZZD-EW-TZ-19）资助

Sea level change in China adjacent seas studied using satellite altimeter, satellite gravity, and thermohaline data

CHANG Le¹, QIAN An², YI Shuang¹, XU Changyi³, SUN Wenke¹

1. University of Chinese Academy of Sciences, Beijing 100049, China;
2. Institute of Disaster Prevention, Beijing 101601, China;
3. Institute of Earthquake Science, China Earthquake Administration, Beijing 100036, China

Received:2016-08-04 Revised:2016-11-17 Published:2017-05-15

摘要/Abstract

摘要： 利用GRACE（gravity recovery and climate experiment）卫星重力、卫星测高和Ishii温盐度资料研究中国近海海平面变化。结果表明：1993-2014年南海海平面升高速率远高于同期全球速率，而黄海和东海均低于同期全球海平面上升速率。综合2003-2012年的上述3种数据，发现海水质量增加是导致渤海、黄海和东海海平面上升的主要原因，而南海主要受比容海平面上升影响。中国4个海域海平面年际变化均与ENSO有相关性，但是相关系数较小。4个海域在2000-2005年期间海平面均呈下降趋势，后来又慢慢回升。

关键词: 卫星测高, GRACE, 温盐变化, 中国近海, 海平面变化

Abstract: We study the sea level changes of China adjacent seas using satellite gravity data, satellite altimeter data, and thermohaline data. The results show that, compared with the global mean sea level rising rate during the period from 1993 to 2014, the sea level rising rate of the South China Sea is very fast, while the rates of the Yellow Sea and East China Sea are slow. The results and analysis based on these three kinds of data indicate that water mass change is the main reason for the sea level rising from 2003 to 2012, but the sea level of the South China Sea is mainly influenced by steric sea level change. The sea level interannual changes of the coastal waters of China have some correlations with ENSO, but the correlation coefficients are small. The sea level of China adjacent seas declined during the period from 2000 to 2005, and then rised again.

Key words: altimeter, GRACE, thermohaline change, coastal waters of China, sea level change

中图分类号:

P731.2

常乐, 钱安, 易爽, 徐长仪, 孙文科. 基于卫星重力、卫星测高和温盐度综合数据的中国近海各区域海平面变化[J]. 中国科学院大学学报, 2017, 34(3): 371-379.

CHANG Le, QIAN An, YI Shuang, XU Changyi, SUN Wenke. Sea level change in China adjacent seas studied using satellite altimeter, satellite gravity, and thermohaline data[J]. , 2017, 34(3): 371-379.

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基于卫星重力、卫星测高和温盐度综合数据的中国近海各区域海平面变化

Sea level change in China adjacent seas studied using satellite altimeter, satellite gravity, and thermohaline data

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