Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL094105 |
A Physical Interpretation of Recent Tropical Cyclone Post Landfall Decay | |
L. M. Phillipson; R. Toumi | |
2021-08-29 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | The decay of landfalling tropical cyclones (TCs) is important to the damage caused. We examine a simple physically based decay model of maximum surface winds driven by frictional turbulent drag and a modification accounting for partial to complete land roughness. The model fits an algebraic decay with a parameter determined by the ratio of the surface drag coefficient to the effective vortex depth. This parameter has been decreasing from 1980 to 2018. There is also a global mean increase of wind speed 24 hours after landfall of +1.13 m/s per decade. We cannot exclude the possibility that this trend is driven by the initial wind speed increase, but it is most likely due to a slowing of the decay. This weaker decay amounts to an additional 7 hours of gale force winds for a typical Category 1 at landfall. |
领域 | 气候变化 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/336542 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | L. M. Phillipson,R. Toumi. A Physical Interpretation of Recent Tropical Cyclone Post Landfall Decay[J]. Geophysical Research Letters,2021. |
APA | L. M. Phillipson,&R. Toumi.(2021).A Physical Interpretation of Recent Tropical Cyclone Post Landfall Decay.Geophysical Research Letters. |
MLA | L. M. Phillipson,et al."A Physical Interpretation of Recent Tropical Cyclone Post Landfall Decay".Geophysical Research Letters (2021). |
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