期刊
GLOBAL AND PLANETARY CHANGE
卷 57, 期 3-4, 页码 371-382出版社
ELSEVIER
DOI: 10.1016/j.gloplacha.2007.01.005
关键词
South China Sea; merged altimetry data; sea level variations
in this study, more than 13 yr of merged altimetry sea level anomalies (SLA) data were used to analyze the trends of sea level variations in the South China Sea (SCS). The result shows that the mean sea level over the SCS has a rise rate of 11.3 mm/yr during 1993-2000 and a fall rate of 11.8 mm/yr during 2001-2005. The geographical distribution of the sea level variations over the SCS is asymmetric with a pronounced variation existing in the deep water. The trends of thermosteric sea level variations were also examined using Ishii data and MITgcm assimilation data. The result indicates that the thermal change of the upper layer of the SCS has a significant contribution to the sea level variations. Heat budget analysis suggests that heat advection may be a key factor influencing the thermal change. Apart from thermal contribution, the effect of water exchange on the sea level variations was also studied. (c) 2007 Elsevier B.V All rights reserved.
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