Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012
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Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012
Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012
海洋湖沼学报(英文)2014年32卷第6期 页码:1414-1420
Affiliations:
Key Laboratory of Ocean Circulation and Waves Institute of Oceanology Chinese Academy of Sciences
Author bio:
Funds:
Supported by the National Natural Science Foundation of China (No. 41376028), the Knowledge Innovation Program of Chinese Academy of Sciences (CAS) (No.Y22114101Q), the National Basic Research Program of China (973 Program) (No. 2013CB956202), the “100-Talent Project” of Chinese Academy of Sciences, China (No. Y32109101L), and the Special Funds of CAS (No. XDA11040205)
Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012[J]. 海洋湖沼学报(英文), 2014,32(6):1414-1420.
Si, Z., Xu, Y. Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012., Chin. J. Ocean. Limnol. 32, 1414–1420 (2014). https://doi.org/10.1007/s00343-014-3363-4
Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012[J]. 海洋湖沼学报(英文), 2014,32(6):1414-1420. DOI: 10.1007/s00343-014-3363-4.
Si, Z., Xu, Y. Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012., Chin. J. Ocean. Limnol. 32, 1414–1420 (2014). https://doi.org/10.1007/s00343-014-3363-4DOI:
Influence of the Pacific Decadal Oscillation on regional sea level rise in the Pacific Ocean from 1993 to 2012
摘要
Abstract
The rate of regional sea level rise (SLR) provides important information about the impact of human activities on climate change. However
accurate estimation of regional SLR can be severely affected by sea surface height (SSH) change caused by the Pacific Decadal Oscillation (PDO-SSH). Here
the PDO-SSH signal is extracted from satellite altimeter data by multi-variable linear regression
and regional SLR in the altimeter era is calculated
before and after removing that signal. The results show that PDO-SSH trends are rising in the western Pacific and falling in the eastern Pacific
with the strongest signal confined to the tropical and North Pacific. Over the past 20 years
the PDO-SSH accounts for about 30%–40% of altimeter-observed SLR in the regions 8°–15°N
130°–160°E and 30°–40°N
170°–220°E. Along the coast of North America
the PDO-SSH signal dramatically offsets the coastal SLR
as the sea level trends change sign from falling to rising.
关键词
Keywords
references
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