DOI: 10.1175/JCLI-D-12-00307.1
Scopus记录号: 2-s2.0-84880319578
论文题名: A satellite study of the relationship between sea surface temperature and column water vapor over tropical and subtropical oceans
作者: Kanemaru K. ; Masunaga H.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 12 起始页码: 4204
结束页码: 4218
语种: 英语
Scopus关键词: Atmospheric infrared sounders
; Earth observing systems
; Precipitation radar
; Quick scatterometer (QuikSCAT)
; Satellite observations
; Scanning radiometer
; Sea surface temperature (SST)
; Tropical rainfall measuring missions
; Atmospheric humidity
; Atmospheric temperature
; Infrared devices
; Infrared instruments
; Moisture
; Oceanography
; Rain
; Rain gages
; Sounding apparatus
; Water vapor
; Tropics
; AIRS
; AMSR-E
; AMSU
; boundary layer
; QuikSCAT
; radar
; relative humidity
; satellite data
; sea surface temperature
; subtropical region
; TRMM
; tropical environment
; troposphere
; water vapor
英文摘要: The known characteristics of the relationship between sea surface temperature (SST) and column water vapor (CWV) are reevaluated with recent satellite observations over tropical and subtropical oceans. Satellite data acquired by the Aqua AdvancedMicrowave Scanning Radiometer for Earth Observing System (AMSR-E), Atmospheric Infrared Sounder (AIRS)/Advanced Microwave Sounder Unit (AMSU) suite, the Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR), and the Quick Scatterometer (QuikSCAT) SeaWinds are analyzed together for 7 years from October 2002 to September 2009. CWV is decomposed into surface humidity, presumably coupled closely to SST, and the water vapor scale height as an index of vertical moisture gradient between the boundary layer and the free troposphere. Surface relative humidity is climatologically homogeneous across tropical and subtropical oceans, while the dependence of CWV on SST varies from one region to another. SST mainly accounts for the variation of CWV with the water vapor scale height, which is virtually invariant over subtropical oceans. On the other hand, over tropical oceans, the variability of CWV is explained not only by SST but also by a systematic change of the water vapor scale height. The regional contrast between tropical and subtropical oceans is discussed in the context of the regional moisture budget including vertical moisture transport through convection. © 2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51831
Appears in Collections: 气候变化事实与影响
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作者单位: Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan; Hydrospheric Atmospheric Research Center, Nagoya University, Nagoya, Japan
Recommended Citation:
Kanemaru K.,Masunaga H.. A satellite study of the relationship between sea surface temperature and column water vapor over tropical and subtropical oceans[J]. Journal of Climate,2013-01-01,26(12)