我国热带气旋灾害趋势及其成因分析（工作汇报）

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我国热带气旋灾害趋势及其成因分析（工作汇报）. 吴立广、张娇艳. 本研究得到了国家科技支撑计划（ 2007BAC29B02 ）的资助。. 一、热带气旋灾害. 三、极端降水. 二、平均降水. 主要内容. 一、热带气旋灾害. 直接经济损失绝对值的增长趋势主要来自经济发展。. 直接经济损失. 直接经济损失 /GDP. TC 损失资料在反应 TC 灾害趋势方面是可用的。. 死亡人数. 一、热带气旋灾害. - PowerPoint PPT Presentation

Transcript of 我国热带气旋灾害趋势及其成因分析（工作汇报）

2007BAC29B02
TCTC/GDP
TCTCGDPTCTC
TCTCTC
MotivationIPCCAR4TCTC

TC

TCTC
Annual precipitation (mm): (a) TC and (b) non-TC, and the percentage of TC rainfall to the total rainfall: (c) annual and (d) summer (July-September) during 1960-2009.
TCTCTCTC
TC
TC Changes of the June-October mean frequency of TC occurrence and the motion vectors based on the derived linear trend change.

Wu et al. (2005)
Thresholds (mm) of the 95th percentile of daily TC extreme rainfall.
Annual number of extreme precipitation days: (a) TC and (b) non-TC and the associated annual percentage of TC (a) and non-TC (d) extreme precipitation to total precipitation.
TCTC TCTC
TC
TC
TCJASONDTCTCJAS
The end