X波段测雨雷达系统建设与在山洪预警中的应用
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摘要
为了实现测雨雷达在水文中的应用,研究高时空分辨率且空间连续的实时雨量监测方法,本文介绍了X波段高分辨雨量雷达系统性能指标及选址条件,并基于GIS软件开发了雷达应用软件,解决了传统雨量站数据在时间和空间上不连续的问题。针对小流域山洪强降雨、短历时的特点,在大理选取3个典型流域作为试验区,实现X波段测雨雷达系统在山洪灾害预警中的应用,提高了小流域山洪灾害的预报水平。
In order to realize the application of precipitation radar in hydrology, and research on high spatial and temporal resolution and spatial continuous real-time rainfall monitoring method,this paper introduces the performance index and site conditions of the x-band high resolution radar rainfall system,and developed a radar software based on GIS, it solves the problem that the traditional rainfall station data is discontinuous in time and space. For the characteristics of heavy rainfall and short duration in small watershed torrential flood, we select three typical watershed as the test area in Dali, and apply X band rain radar system in early warning of torrential flood.It could improve torrential flood forecast in small watershed.
In order to realize the application of precipitation radar in hydrology, and research on high spatial and temporal resolution and spatial continuous real-time rainfall monitoring method,this paper introduces the performance index and site conditions of the x-band high resolution radar rainfall system,and developed a radar software based on GIS, it solves the problem that the traditional rainfall station data is discontinuous in time and space. For the characteristics of heavy rainfall and short duration in small watershed torrential flood, we select three typical watershed as the test area in Dali, and apply X band rain radar system in early warning of torrential flood.It could improve torrential flood forecast in small watershed.
引文
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[2]赵果,楚荣忠,张彤,等.偏振多普勒雷达定量测量降雨精度的改进[J].高原气象,2011,30(2):495-507.
[3]许小峰.中国新一代多普勒天气雷达网的建设与技术应用[J].中国工程科学,2003,5(6):7-14.
[4]王岩,顾松山,活伟峰,等.多普勒天气雷达地图系统的设计与实现[J].南京气象学院学报,2002,25(6):772-778.
[5]段蕾,戴伟.利用ARCGIS开发雷达地理信息系统[J].现代雷达,2006,28(11):51-57.
[6]张培昌,杜秉玉,戴铁不.雷达气象学[M]北京:气象出版社.
[7]晋立军,封秋娟,李军霞,等.自动激光雨滴谱仪在雷达降水估测中的应用[J].气候与环境研究,2012,17(6):740-746.
[8]李容,冯汉中.基于成都天气雷达的一种有效降水估测方案[J].高原山地气象研究,2014,34(3):62-66.
[9]勾亚彬.基于雷达组网拼图的定量降水估测算法优化及效果评估[D].中国气象科学研院,2014.
[10]杨学军,魏琳.多普勒雷达估测降雨技术在海河流域的应用实践研究[J].河海水利,2013(5):46-50.
[11]张之贤.陇东南地区短时强降水时空分布特征及短时临近预报技术研究[D].兰州大学,2013.
[12]范江琳.多普勒天气雷达在定量测量降水及短时强降水预报中的应用[D].成都信息工程大学,2013.
[13]吴建华.基于GIS的气象雷达因子标定与雨量估测的技术研究[D].解放军信息工程大学,2010.
[14]黄勇,胡雯,张爱民,等.淮河流域致洪暴雨预警系统[J].气象,2006(5):105-109.
[15]肖艳娇,万玉发.一种自动多普勒雷达速度退模糊算法研究[J].高原气象,2012(8):1119-1128.
[16]牛睿平,唐跃平,魏广,等.利用雨量雷达构建面雨量自动监测系统[J].水利信息化,2015(2):33-36.