Trends of sea level variations in the Indo-Pacific warm pool

被引：31
|
作者：
Cheng, Xuhua [2 ]
Qi, Yiquan [1 ]
Zhou, Wen [2 ]
机构：
[1] Chinese Acad Sci, Key Lab Trop Marine Environm Dynam, S China Sea Inst Oceanol, LED, Guangzhou 510301, Guangdong, Peoples R China
[2] City Univ Hong Kong, CityU IAP, Atmospher Sci Lab, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
来源：
GLOBAL AND PLANETARY CHANGE | 2008年 / 63卷 / 01期
关键词：
Indo-Pacific warm pool; merged altimetry data; sea level variations; thermosteric sea level;
D O I：
10.1016/j.gloplacha.2008.06.001
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
The long-term trends of sea level height in the Indo-Pacific warm pool (IPWP) were examined using merged altimetry data, and possible mechanisms were studied using multiple datasets. Sea level in the IPWP and the Western Pacific warm pool (WPWP) has distinct interannual variabilities related to ENSO (El Nino-Southern Oscillation) event. The mean sea level in the IPWP has a rising rate of 4.5 mm/yr over the 1993-2005 period, while the WPWP and the Indian Ocean warm pool (IOWP) have rising rate of 6.0 mm/yr and 1.6 mm/yr respectively. The trends of thermosteric sea level were also examined using Ishii data and MITgcm assimilation data and the results indicate that thermal change of upper layer has a significant contribution to the sea level variations in the WPWP But the thermosteric sea level has little contribution to sea level change in the IOWP region. Apart from thermal contribution, the contribution of precipitation and evaporation to sea level change were also examined. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：57 / 66
页数：10
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