globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.scitotenv.2019.03.471
WOS记录号: WOS:000466979400085
论文题名:
Impact of increased atmospheric moisture on the precipitation depth caused by Hurricane Ivan (2004) over a target area
作者: Mure-Ravaud, Mathieu; Kawas, M. Levent; Dib, Alain
通讯作者: Mure-Ravaud, Mathieu
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 672, 页码:916-926
语种: 英语
英文关键词: Moisture maximization ; Intense precipitation ; Storm transposition ; Dynamical downscaling ; Hurricane Ivan
WOS关键词: PROBABLE MAXIMUM PRECIPITATION
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

In this article, numerical experiments are performed to investigate the effects of increasing atmospheric moisture on the precipitation depth (PD) produced by Hurricane Ivan (2004) over a target area, chosen as the drainage basin of the city of Asheville, NC. Atmospheric moisture was increased indirectly by increasing the sea surface temperature (SST) in the simulation initial conditions, and by letting the regional atmospheric model adjust the atmospheric fields to the SST perturbation. The SST was increased in two ways: 1) using spatially constant increments and 2) using a climate change perturbation field obtained from a climate projection. For each SST scenario, the PD over the target area was maximized by using a physically based storm transposition method. Although the mean PD, that was obtained by averaging over all shifting increments, increased with SST, the maximum PD was obtained for the case of no SST increase. It was found that, in the case of no SST increase, the worst-case tropical cyclone track was significantly different than in the SST increase scenarios. In particular, in this case, the storm spent a longer time in the simulation inner domain, thus spawning a larger PD over the target area. (C) 2019 Elsevier B.V. All rights reserved.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/142845
Appears in Collections:全球变化的国际研究计划

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作者单位: Univ Calif Davis, 1 Shields Ave, Davis, CA 95616 USA

Recommended Citation:
Mure-Ravaud, Mathieu,Kawas, M. Levent,Dib, Alain. Impact of increased atmospheric moisture on the precipitation depth caused by Hurricane Ivan (2004) over a target area[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,672:916-926
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