{"title":"基于GPM-DPR观测的积雪识别及其与s波段地面雷达双偏振测量的交叉验证","authors":"S. Biswas, M. Le, V. Chandrasekar","doi":"10.23919/URSIGASS.2017.8105080","DOIUrl":null,"url":null,"abstract":"The Global Precipitation Measurement (GPM) mission Core Observatory is equipped with a dual-frequency precipitation radar (DPR) operating at frequency channel of 13.6 GHz (Ku-band) and 35.5 GHz (Ka-band). In this paper, GPM-DPR's simultaneous observations at these two frequencies are used to study the characteristics of vertical profile of reflectivity of snow. An algorithm to identify falling snow is considered. Its performance is also evaluated by cross validation with dual polarization measurements from ground radar.","PeriodicalId":377869,"journal":{"name":"2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Identification of snow from GPM-DPR observations and cross validation with S-band ground radar dual polarization measurements\",\"authors\":\"S. Biswas, M. Le, V. Chandrasekar\",\"doi\":\"10.23919/URSIGASS.2017.8105080\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Global Precipitation Measurement (GPM) mission Core Observatory is equipped with a dual-frequency precipitation radar (DPR) operating at frequency channel of 13.6 GHz (Ku-band) and 35.5 GHz (Ka-band). In this paper, GPM-DPR's simultaneous observations at these two frequencies are used to study the characteristics of vertical profile of reflectivity of snow. An algorithm to identify falling snow is considered. Its performance is also evaluated by cross validation with dual polarization measurements from ground radar.\",\"PeriodicalId\":377869,\"journal\":{\"name\":\"2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.23919/URSIGASS.2017.8105080\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.23919/URSIGASS.2017.8105080","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Identification of snow from GPM-DPR observations and cross validation with S-band ground radar dual polarization measurements
The Global Precipitation Measurement (GPM) mission Core Observatory is equipped with a dual-frequency precipitation radar (DPR) operating at frequency channel of 13.6 GHz (Ku-band) and 35.5 GHz (Ka-band). In this paper, GPM-DPR's simultaneous observations at these two frequencies are used to study the characteristics of vertical profile of reflectivity of snow. An algorithm to identify falling snow is considered. Its performance is also evaluated by cross validation with dual polarization measurements from ground radar.
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