Objectively determined resolution-dependent threshold criteria for the detection of tropical cyclones in climate models and reanalyses

被引：218
作者：
Walsh, K. J. E. [1 ]
Fiorino, M.
Landsea, C. W.
McInnes, K. L.
机构：
[1] Univ Melbourne, Sch Earth Sci, Melbourne, Vic 3010, Australia
[2] Lawrence Livermore Natl Lab, Livermore, CA USA
[3] NOAA, Atlantic Oceanog & Meteorol Lab, Hurricane Res Div, Miami, FL 33149 USA
[4] CSIRO Marine & Atmospher Res, Hobart, Tas, Australia
[5] ACE, CRC, Hobart, Tas, Australia
来源：
JOURNAL OF CLIMATE | 2007年 / 20卷 / 10期
关键词：
D O I：
10.1175/JCLI4074.1
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
Objectively derived resolution-dependent criteria are defined for the detection of tropical cyclones in model simulations and observationally based analyses. These criteria are derived from the wind profiles of observed tropical cyclones, averaged at various resolutions. Both an analytical wind profile model and two-dimensional observed wind analyses are used. The results show that the threshold wind speed of an observed tropical cyclone varies roughly linearly with resolution. The criteria derived here are compared to the numerous different criteria previously employed in climate model simulations. The resulting method provides a simple means of comparing climate model simulations and reanalyses.
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页码：2307 / 2314
页数：8
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