Investigating the Physical Drivers for the Increasing Tropical Cyclone Rainfall Hazard in the United States
Investigating the Physical Drivers for the Increasing Tropical Cyclone Rainfall Hazard in the United States
复制标题
调查美国热带气旋降雨危害日益严重的物理驱动因素
DOI:
10.1029/2022gl099196
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发表时间:
2022
影响因子:
5.2
通讯作者:
Lin, Ning
中科院分区:
文献类型:
--
作者:
Xi, Dazhi;Lin, Ning
In this study, we investigate both the changes of tropical cyclone (TC) rainfall hazard in the United States under climate change and the relative importance of the factors that cause the changes. We find that under the SSP5 8.5 scenario, the 100‐year TC rainfall level can increase by up to 320% along the U.S. coastline by the end of this century. The influence of TC rainfall‐producing ability increase is more significant than the influence of TC frequency increase on the increase of the 100‐year TC rainfall level (up to 180% vs. 60% increase). Among the different physical drivers for the increase in storm rainfall‐producing ability, the increase of TC intensity is the leading factor, followed by changes in TC duration and atmospheric temperature. The projected increase of TC rainfall hazard is robust against the uncertainty in the TC frequency projection.
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