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首页> 外文期刊>SOLA: Scientific Online Letters on the Atmosphere >Projection of Future Enhancement of Heavy Rainfalls Associated with Typhoon Hagibis (2019) Using a Regional 1-km-mesh Atmosphere-Ocean Coupled Model
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Projection of Future Enhancement of Heavy Rainfalls Associated with Typhoon Hagibis (2019) Using a Regional 1-km-mesh Atmosphere-Ocean Coupled Model

机译：未来增强与台风Hagibis（2019年）相关的大量降雨（2019年）的预测使用区域1 km-mesh氛围 - 海洋耦合模型

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摘要

Torrential rain associated with Typhoon Hagibis (2019) caused extensive destruction across Japan. To project future changes of the record-breaking rainfall, numerical experiments using a regional 1-km-mesh three-dimensional atmosphere–ocean coupled model were conducted in current (CNTL) and pseudo-global warming (PGW) climates. The water vapor mixing ratio in the lower troposphere increased by 23% in response to a 3.34 K increase in sea surface temperature (SST) in the PGW climate. The abundant moisture supply by the westward winds of the typhoon caused strong precipitation from its rainbands for a long period, resulting in 90% increase in total precipitation in eastern Japan before landfall. However, the strong PGW typhoon caused high SST-cooling. Mean precipitation in eastern Japan during the typhoon passage increased by 22% when the SST-cooling east of Kanto was strengthened from 0.11 K to 0.72 K from the CNTL to PGW simulations; the increase was above 29% when the SST-cooling was lowered.
机译：与台风Hagibis（2019年）相关的暴雨引起了日本广泛的破坏。对于投影破坏降雨的未来变化，使用区域1 km-Mesh三维大气耦合模型的数值实验进行了电流（CNTL）和伪全球变暖（PGW）气候。较低对流层中的水蒸气混合比率响应于PGW气候中的海表面温度（SST）增加而增加23％。台风向西风的丰富水分造成了长期雨带的强烈降水，导致日本东部地区的总降水量增加了90％。然而，强力PGW台风引起高清冷却。当从CNT1到PGW模拟的KANO东部加工0.1 k至0.72k时，台风通道的平均沉淀增加了22％。当SST冷却降低时，增加高于29％。

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