globalchange  > 气候减缓与适应
DOI: 10.1002/grl.50646
论文题名:
Plausible reasons for the inconsistencies between the modeled and observed temperatures in the tropical troposphere
作者: Varotsos C.A.; Efstathiou M.N.; Cracknell A.P.
刊名: Geophysical Research Letters
ISSN: 0094-8560
EISSN: 1944-8291
出版年: 2013
卷: 40, 期:18
起始页码: 4906
结束页码: 4910
语种: 英语
英文关键词: long range correlations ; power law ; tropospheric temperature
Scopus关键词: Detrended fluctuation analysis ; Intrinsic property ; Long range correlations ; Measured values ; power law ; Power-law correlations ; Tropical troposphere ; Tropospheric temperature ; Amplification ; White noise ; Troposphere ; amplification ; power law ; signal ; temperature anomaly ; time series ; troposphere ; warming ; white noise
英文摘要: We hereby attempt to detect plausible reasons for the discrepancies between the measured and modeled tropospheric temperature anomalies in the tropics. For this purpose, we calculate the trends of the upper-minus-lower tropospheric temperature anomaly differences (TAD) for both the measured and modeled time series during 1979-2010. The modeled TAD trend is significantly higher than that of the measured ones, confirming that the vertical amplification of warming is exaggerated in models. To investigate the cause of this exaggeration, we compare the intrinsic properties of the measured and modeled TAD by employing detrended fluctuation analysis (DFA). The DFA exponent obtained for the measured values reveals white noise behavior, while the exponent for the modeled ones shows that they exhibit long-range power law correlations. We suggest that the vertical amplification of warming derived from modeled simulations is weighted with a persistent signal, which should be removed in order to achieve better agreement with observations. © 2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84884277076&doi=10.1002%2fgrl.50646&partnerID=40&md5=76affa1385fea23fb75e4bc91253d004
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5824
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作者单位: Division of Environmental Physics and Meteorology, Faculty of Physics, University of Athens, GR-15784 Athens, Greece

Recommended Citation:
Varotsos C.A.,Efstathiou M.N.,Cracknell A.P.. Plausible reasons for the inconsistencies between the modeled and observed temperatures in the tropical troposphere[J]. Geophysical Research Letters,2013-01-01,40(18).
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