globalchange  > 气候变化与战略
CSCD记录号: CSCD:5204280
论文题名:
全球海表温度在不同时间尺度的主模态对比分析
其他题名: A Comparative Analysis of Main Modes of Global-scale Sea Surface Temperature on Multiple Time Scale
作者: 刘鹏1; 江志红1; 于华英2; 秦怡1
刊名: 地球科学进展
ISSN: 1001-8166
出版年: 2014
卷: 29, 期:7
语种: 中文
中文关键词: 全球尺度 ; 海表温度 ; 主模态 ; 时间尺度
英文关键词: Global-scale ; Sea surface temperature ; Main mode ; Time scale
WOS学科分类: OCEANOGRAPHY
WOS研究方向: Oceanography
中文摘要: 利用1880-2009年HadISST资料,去掉百年全球变暖的信号,研究发现东太平洋、北太平洋和北大西洋都有较强的年际和年代际振荡信号,特别是赤道东太平洋南侧的年代际振荡是不容忽视的。对全球范围的海表温度资料做EOF分析发现,存在3种主要的全球尺度信号,第一模态为太平洋型、第二模态为北大西洋型以及第三模态为赤道中太平洋型。特别指出,第三模态是CP ENSO在全球模态中的表现。这3种模态在年际和年代际尺度都有显著的信号,在无滤波的情况下,3种模态方差贡献之和为34%。在年代际以上时间尺度范围,3种模态方差贡献之和为61%。在各种时间尺度中,这3种信号与全球平均温度都有一定的联系,尤其第一、二模态的影响最为重要,在年代际尺度中,第一、二模态方差贡献之和达到50%。2005年以后全球并没有明显增温,可能与前2个模态同时下降有关。
英文摘要: The HadISST data from 1880 to 2009 were used with the removal of the signal of global warming of one hundred year. The results showed that there were the significant interannual and interdecadal oscillation signal at the eastern Pacific and north Pacific and north Atlantic. Especially the decadal oscillation in the south of eastern equatorial Pacific could not be ignored. We found that there are three major global-scale signals by using the Empirical Orthogonal Function (EOF) analysis on global sea surface temperature. The first mode is (ENSO-like / PDO-like) Pacific pattern,the second mode is (AMO-like) the north Atlantic pattern and the third mode is (ENSO Modoki-like /CP ENSO-like) Center Pacific Ocean pattern. In particular,the third mode is the performance of Center Pacific El Nino-Southern Oscillation in the global mode. There are significant signals in interannual and interdecadal scales,and in the unfiltered conditions,the three modes can explain 34% of total variance contribution. Above the interdecadal scale,the sum of three modes variance contribution is 61%. In various time scales,the three signals and the average global temperature have a connection,especially the influence of the first and second mode is the most important. In the decadal scale,the sum of the first and second modal variance contribution is 50%. Since 2005,there has been no significant signal of global warming associated with the simultaneous decline of the first two modes.
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/147594
Appears in Collections:气候变化与战略

Files in This Item:

There are no files associated with this item.


作者单位: 1.南京信息工程大学, 气象灾害教育部重点实验室, 南京, 江苏 210044, 中国
2.南京信息工程大学遥感学院, 南京, 江苏 210044, 中国

Recommended Citation:
刘鹏,江志红,于华英,等. 全球海表温度在不同时间尺度的主模态对比分析[J]. 地球科学进展,2014-01-01,29(7)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[刘鹏]'s Articles
[江志红]'s Articles
[于华英]'s Articles
百度学术
Similar articles in Baidu Scholar
[刘鹏]'s Articles
[江志红]'s Articles
[于华英]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[刘鹏]‘s Articles
[江志红]‘s Articles
[于华英]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.