Low-frequency sea level variation and its correlation with climate events in the Pacific

查看全文 作　　者：JIN [1,2]TaoYong;LI [1,2]JianCheng;JIANG [1]WeiPing;CHU [1,2]YongHai

机构地区：[1]School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China;[2]Key Laboratory of Geospace Environment and Geodesy,Ministry of Education,Wuhan 430079,China

出　　处：《Chinese Science Bulletin》索引2012年第57卷第27期,共8页

基　　金：supported by the National Key Basic Research Program of China (2012CB957703);the National Natural Science Foundation of China (41004007,41074014);China Postdoctoral Science Foundation(2011M500886) 摘　　要：Global mean sea level(GMSL) has not only significant secular trend and seasonal variations,but also inter-annual and decadal variations.This paper reconstructs the time series of GMSL variations between 1948 and 2007 by combining satellite altimeter measurements and tide gauge observations.Based on the time series,the acceleration of GMSL rise in the second half of 20th century is estimated to be 0.010±0.009 mm/a 2,and multi-scale low frequency sea level oscillations including decadal variations are detected,and the high-rate of GMSL rise during 1993-2003 is locate in the ascending phase of low frequency oscillation.Then,using the reconstructed GMSL time series after removing the secular trend from satellite altimetry and tide gauges measurements,it shows that low frequency signal of sea level variation has strong correlations with the index of El Ni o/Southern Oscillation(ENSO) and Pacific Decadal Oscillation(PDO).But in several time periods,they have large difference due to effects of both high frequency occurrence of El Ni o and La Ni a phenomenon and short term switch of PDO events. 关键词：海平面变化气候事件太平洋低频率年代际变化时间序列低频振荡卫星测高

相关文献

参考文献（30）
引证文献（5）
耦合文献（61）

参考文献(30)

引证文献(5)

耦合文献(61)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Low-frequency sea level variation and its correlation with climate events in the Pacific

参考文献(30)

引证文献(5)

耦合文献(61)

用户提示