globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-12-00681.1
Scopus记录号: 2-s2.0-84880689905
论文题名:
The response of tropical atmospheric energy budgets to ENSO
作者: Mayer M.; Trenberth K.E.; Haimberger L.; Fasullo J.T.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期:13
起始页码: 4710
结束页码: 4724
语种: 英语
Scopus关键词: Anomaly structures ; Atmospheric energy ; Cross correlations ; Eastern equatorial Pacific ; Mutual cancellation ; Sea surface temperature anomalies ; Smooth transitions ; Temporal homogeneities ; Atmospheric pressure ; Atmospheric temperature ; Budget control ; Tropics ; canonical analysis ; El Nino-Southern Oscillation ; energy budget ; heat flow ; sea surface temperature ; temperature anomaly ; Indian Ocean
英文摘要: The variability of zonally resolved tropical energy budgets in association with El Niño-Southern Oscillation (ENSO) is investigated. The most recent global atmospheric reanalyses from 1979 to 2011 are employed with removal of apparent discontinuities to obtain best possible temporal homogeneity. The growing length of record allows amore robust analysis of characteristic patterns of variability with cross-correlation, composite, andEOF methods. A quadrupole anomaly pattern is found in the vertically integrated energy divergence associated with ENSO, with centers over the Indian Ocean, the Indo-Pacific warm pool, the eastern equatorial Pacific, and the Atlantic. The smooth transition, particularly of the main maxima of latent and dry static energy divergence, from the western to the eastern Pacific is found to require at least two EOFs to be adequately described. The canonical El Niño pattern (EOF-1) and a transition pattern (EOF-2; referred to as El Niño Modoki by some authors) form remarkably coherent ENSO-related anomaly structures of the tropical energy budget not only over the Pacific but throughout the tropics. As latent and dry static energy divergences show strong mutual cancellation, variability of total energy divergence is smaller and more tightly coupled to local sea surface temperature (SST) anomalies and ismainly related to the ocean heat discharge and recharge duringENSOpeak phases. The complexity of the structures throughout the tropics and their evolution during ENSO events along with their interactions with the annual cycle have often not been adequately accounted for; in particular, the El Niño Modoki mode is but part of the overall evolutionary patterns. © 2013 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51783
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作者单位: Department of Meteorology and Geophysics, University of Vienna, Vienna, Austria; National Center for Atmospheric Research, Boulder, CO, United States

Recommended Citation:
Mayer M.,Trenberth K.E.,Haimberger L.,et al. The response of tropical atmospheric energy budgets to ENSO[J]. Journal of Climate,2013-01-01,26(13)
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