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| STUDY ON THE RELATIONSHIP BETWEEN BRIGHTNESS TEMPERATURE FROM GMS-5 INFRARED CLOUD IMAGERY AND SURFACE RAIN RATES DURING THE RAINING SEASONS OF FUJIAN PROVINCE | |
| 作者姓名： | 林长城 张长安 林忠敏 林祥明 谢怡芳 郑淑贞 |
| 作者单位： | Meteorological Research Institute of Fujian Province，Meteorological Research Institute of Fujian Province，Fujian Meteorological Observatory，Meteorological Research Institute of Fujian Province，Fujian Meteorological Bureau，Meteorological Research Institute of Fujian Province |
| 基金项目： | Scientific Research project of Fujian Meteorological Bureau for 1998 |
| 摘 要： | 1INTRODUCTIONInrecentyears,theinfraredcloudimageryfromtheGMSseriessatelliteshasusedmoreandmoreinstudiesofheavyprecipitationintheyearlyfirstrainingseasonsinChina.Theuseintheanalysisofheavyrainprocessesandquantitativeestimationofrainfallisoneoftheaspectsthatwitnesswideapplication.Quantitativeestimationofrainfallwithsatellitecloudimageryhasbeenanimportantresearchsubjectformeteorologistsathomeandabroad.Inhiseffortstostudyingwaysofestimatingsevereconvectiveprecipitation,Scofield(1987)usesthe… |
| 关 键 词： | 雨季 GMS－5 云层温度 雨量强度 福建 降雨 相互关系 |
STUDY ON THE RELATIONSHIP BETWEEN BRIGHTNESS TEMPERATURE FROM GMS-5 INFRARED CLOUD IMAGERY AND SURFACE RAIN RATES DURING THE RAINING SEASONS OF FUJIAN PROVINCE |
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| LIN Chang-cheng,ZHANG Chang-an,LIN Zhong-min,LIN Xiang-ming,XIE Yi-fang and ZHENG Shu-zhen.STUDY ON THE RELATIONSHIP BETWEEN BRIGHTNESS TEMPERATURE FROM GMS-5 INFRARED CLOUD IMAGERY AND SURFACE RAIN RATES DURING THE RAINING SEASONS OF FUJIAN PROVINCE[J].Journal of Tropical Meteorology,2003,9(1):74-79. | |
| Authors: | LIN Chang-cheng ZHANG Chang-an LIN Zhong-min LIN Xiang-ming XIE Yi-fang and ZHENG Shu-zhen |
| Institution: | 1. Meteorological Research Institute of Fujian Province, Fuzhou, 350001, China 2. Fujian Meteorological Observatory, Fuzhou, 350001, China 3. Fujian Meteorological Bureau, Fuzhou, 350001, China |
| Abstract: | The GMS-5 infrared cloud imagery for two yearly first raining seasons in 1998 and 1999 are used to study the relationship between brightness temperature and surface rain rates. The result shows that it is likely to have large probability of heavy precipitation with the decrease of brightness temperature and the gradual increase of rainfall intensity; for areas of low temperature, the brightness temperature is better determined for atmosphere above rain gauge stations with multiple points sampling than with single point one; for the yearly first raining season, the threshold brightness temperature is set at -4.6℃ for indication of heavy precipitation in the Fujian area. |
| Keywords: | yearly first raining seasons GMS-5 cloud top temperature rainfall intensity |
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