台风强度及演变的卫星反演试验研究*

南京大学学报(自然科学版) ›› 2012, Vol. 48 ›› Issue (6): 701–708.

台风强度及演变的卫星反演试验研究*

张兴海1·2，郁凡1**

出版日期:2015-09-11 发布日期:2015-09-11
作者简介: (1.南京大学大气科学学院中尺度害性天气教育部重点实验室，南京，210093
2.中国气象科学研究院，北京，100081)
基金资助:
国家自然科学基金(41275030, 40875012)，公益性行业(气象)科研专项(GYHY201006007)，国家" 973”项日(2009CB421502)

Retrieval research of typhoon intensity and evolution by using satellite imagery

Zhang Xing-Hai ^1,2,Yn Fan¹

Online:2015-09-11 Published:2015-09-11
About author: (1 .School of Atmospheric Sciences and Key Laboratory of Mesoscale Severe Weather/Ministry of Education,
Nanjing University,Nanjing,210093,China;2. Chinese Academy of Meteorological Sciences,Bcijing, 100081,China)

摘要/Abstract

摘要： 本文利用日本静止卫星MTSAT的观测资料以及福建省气象台发布的2008年台风资料，对
2008年三个台风:凤凰、森拉克、黑格比进行了研究.以人机交互的方式通过从静i1=卫星红外(10. 8 ? m,
lRl)、水汽(6.7 ? m,WV)波段图像获取相关信息，定义了面积指数、中心亮温指数、最小亮温指数，初步
研究了其与台风强度的关系.发现IRl亮温面积指数在台风增强过程中与强度变化有很好的对应关系;
而 IRl中心亮温指数与台风强度整体变化趋势一致;lRl最小亮温指数在台风由强变弱时急剧下降，具
有一定的指示意义;红外水汽亮温差(lR WV)面积指数与IRl中心亮温指数变化趋势相似，但变化幅度
更明显.通过本文的研究，可以为台风强度变化的研究提供量化的卫星观测指标.在实际业务中，对海上
台风的强度很难测量，可利用这些指标对台风发展作出初步判断.

Abstract: With the observation data of gcostationary satellite MTSATof Japan and the report on typhoons re
leased by Fujian Meteorology Bureau of China, this paper studies three typhoons in 2008:Fung-Wong(0808)，
Sinlaku(0813)，H agupit( 0814).The area index，center brightness temperature index，minimum brightness tem-
perature index are defined to study the relationship with typhoon intensity. The data of MTSAT infrared channel
(1 0. 8? m，IR 1)and the water vapor channel( 6. 7? m，W V) adopted in the research was got by human-computer
interaction, It is shown that the area index of the lRl brightness temperature is closely related to the intensity e-
volution when the typhoon is intensifying. The change of lRl center brightness temperature has the same trend
with the change of intensity for intense typhoon. The lRl minimum brightness temperature index decreases rapid-
1y when typhoon weakens. The area index of lRl and WV difference(IRWV)has the same trend with the lR 1
center brightness temperature index，but the amplitude of IRWV area index is larger when typhoon weakens. By
the research of this paper, some quantitative analysis data can be provided for the study on the evolution of ty
phoon intensity, In the actual meteorological operations，it，so these indices would be helpful in the estimation of
typhoon intensity and its evolution.

张兴海1·2，郁凡1**. 台风强度及演变的卫星反演试验研究*[J]. 南京大学学报(自然科学版), 2012, 48(6): 701–708.

Zhang Xing-Hai ^1,2,Yn Fan¹. Retrieval research of typhoon intensity and evolution by using satellite imagery[J]. Journal of Nanjing University(Natural Sciences), 2012, 48(6): 701–708.

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