| DOI: | 10.1002/grl.50512
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| 论文题名: | Interannual variability of tropical tropopause layer clouds |
| 作者: | Davis S.M.; Liang C.K.; Rosenlof K.H.
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| 刊名: | Geophysical Research Letters
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| ISSN: | 0094-8920
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| EISSN: | 1944-8651
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| 出版年: | 2013
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| 卷: | 40, 期:11 | | 起始页码: | 2862
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| 结束页码: | 2866
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| 语种: | 英语
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| 英文关键词: | Brewer Dobson Circulation
; cirrus
; ENSO
; QBO
; TTL
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| Scopus关键词: | Brewer-Dobson circulation
; cirrus
; ENSO
; Interannual variability
; QBO
; Quasi-biennial oscillation
; Southern oscillation
; Tropical tropopause layers
; Atmospheric pressure
; Clouds
; Transistor transistor logic circuits
; Tropics
; annual variation
; cirrus
; cloud cover
; El Nino-Southern Oscillation
; quasi-biennial oscillation
; satellite data
; tropopause
; upwelling
; Pacific Ocean
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| 英文摘要: | The quasi-biennial oscillation (QBO), El Niño Southern Oscillation (ENSO), and upwelling in the tropical branch of the Brewer-Dobson circulation (BDC) impact tropical tropopause layer (TTL, 14-19 km) temperature (T) and relative humidity (RH), and thus it is likely that they also affect the TTL cloud distribution. Satellite data reveal extreme interannual variability in the zonal-mean TTL cloud occurrence frequency (CF) in the deep tropics (10°S-10°N). This zonal-mean interannual variability is related to the QBO and BDC, with a relatively minor role for ENSO. However, over the whole tropics (30°S-30°N), the dominant mode of variability in the longitudinally resolved CF field is an ENSO-related dipole pattern of positive and negative anomalies centered over the Pacific that mimics the RH/T fields. The ENSO effects largely cancel in the zonal mean, although El Niño is weakly associated with enhanced zonal-mean cloudiness in the uppermost TTL over the short satellite record. © 2013 American Geophysical Union. All Rights Reserved. |
| URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84879942113&doi=10.1002%2fgrl.50512&partnerID=40&md5=b221387c7f5693c39fe21dd79783df99
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| Citation statistics: |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/6184
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| Appears in Collections: | 气候减缓与适应
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作者单位: | NOAA Earth System Research Laboratory (ESRL), 325 S. Broadway, Boulder, CO 80305, United States
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| Recommended Citation: | |
Davis S.M.,Liang C.K.,Rosenlof K.H.. Interannual variability of tropical tropopause layer clouds[J]. Geophysical Research Letters,2013-01-01,40(11).
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