DOI: 10.1175/JCLI-D-12-00367.1
Scopus记录号: 2-s2.0-84880673809
论文题名: Interannual variation of the winter rainfall in malaysia caused by the activity of rain-producing disturbances
作者: Chen T.-C. ; Tsay J.-D. ; Yen M.-C. ; Matsumoto J.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 13 起始页码: 4630
结束页码: 4648
语种: 英语
Scopus关键词: Circulation patterns
; Heavy rainfall
; Interannual variation
; Propagation properties
; Southeast Asia
; Total rainfall
; Water vapor flux
; Winter rainfall
; Climatology
; Shear flow
; Storms
; Tropics
; Water vapor
; Rain
; annual variation
; climate modeling
; cyclone
; El Nino-Southern Oscillation
; environmental disturbance
; rainfall
; shear flow
; water vapor
; winter
; Borneo
; Malaysia
; Philippines
英文摘要: Heavy rainfall/flood (HRF) cyclones contribute close to two-thirds of the total rainfall PT in both parts of Malaysia [peninsular Malaysia (M) and west Borneo (B)]. Judging by the rainfall variance produced by these cyclones and its correlation (;0.9) with the interannual PT variation, this variation is caused primarily by HRF cyclones through two factors: 1) their westward propagation properties and 2) their rain-producing efficiency. The former is regulated by the change of the cyclonic shear flow around the near-equator trough, while the latter is determined by the change of the convergence of water vapor flux toward tropical Southeast Asia. During November-December of cold (warm) ENSO phases, the westward propagation of the cyclone's parent cold surge vortices (CSVs) from the Philippine (P) vicinity (Borneo) to peninsular Malaysia CSVPMs (CSVBMs) and intensified (weakened) convergence of water vapor flux toward tropical South/Southeast Asia act to enhance (reduce) the rain-producing efficiency of HRFPM (HRFBM) cyclones. During winter cold (warm) phases, the deepening (filling) of the near-equator trough crossing west Borneo allows some CSVs formed/trapped in Borneo CSVBBs to develop into HRFBB (HRFBBM) cyclones (to propagate westward to peninsular Malaysia). The rain-producing efficiency of HRFBB and HRFBBM cyclones is also increased (reduced) by the intensified (weakened) convergence of water flux toward tropical South/Southeast Asia. Interannual variations of both PT(M) and PT(B) caused by the impacts of the circulation pattern changes on occurrences of HRFPM and HRFBB/HRFBBM cyclones, respectively, and their rain-producing efficiency may pose a new challenge to simulate the weather-climate relationship in climate modeling. © 2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51792
Appears in Collections: 气候变化事实与影响
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作者单位: Department of Geological and Atmospheric Sciences, Iowa State University, Ames, IA, United States; Department of Atmospheric Sciences, National Central University, Chung-Li, Taiwan; Department of Geography, Tokyo Metropolitan University, Tokyo, Japan; Research Institute for Global Change, JAMSTEC, Yokosuka, Japan
Recommended Citation:
Chen T.-C.,Tsay J.-D.,Yen M.-C.,et al. Interannual variation of the winter rainfall in malaysia caused by the activity of rain-producing disturbances[J]. Journal of Climate,2013-01-01,26(13)