GPM微波成像仪资料同化对台风“麦德姆”路径预报的影响研究

被引：2

作者：

沈菲菲 ^{[1
,2
,3
]}

闵锦忠 ^{[1
]}

李泓 ^{[2
]}

许冬梅 ^{[1
,4
,3
]}

邢建勇 ^{[5
]}

束艾青 ^{[1
]}

宋丽欣 ^{[1
]}

机构：

[1] 南京信息工程大学气象灾害教育部重点实验室/气候与环境变化国际合作联合实验室/气象灾害预报预警与评估协同创新中心

[2] 中国气象局上海台风研究所

[3] 高原与盆地暴雨旱涝灾害四川省重点实验室

[4] 中国气象局沈阳大气环境研究所

[5] 国家海洋环境预报中心

来源：

海洋学报 | 2021年 / 43卷 / 10期

基金：

国家重点研发计划;

关键词：

WRF模式; GMI微波成像仪资料; 三维变分同化; 台风;

D O I：

暂无

中图分类号：

P457.8 [热带气旋、台风、飓风预报];

学科分类号：

摘要：

基于中尺度数值模式WRF及其三维变分同化系统,自主构建了新的探测仪器GMI(Global Precipitation Measurement (GPM) Microwave Imager)的同化模块。本文以2014年太平洋台风季中台风"麦德姆"为例,实现了GMI资料在登陆台风中的有效应用。试验结果表明:晴空条件下GMI资料同化能够对模式背景场中的台风位置进行有效修正。与没有同化该资料的控制试验相比,同化GMI微波成像仪资料可以有效改进台风暖心结构的分析,同时使得台风涡旋环流结构增强,并进而提高了对台风路径的预报水平。

引用

页码：124 / 136

页数：13

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