全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
大气科学  2005 

雷达-雨量计联合估测降水初值场形成方法探讨

DOI: 10.3878/j.issn.1006-9895.2005.06.16

Keywords: 雷达,雷达降水估测,区域降水量,精度

Full-Text   Cite this paper   Add to My Lib

Abstract:

在雷达-雨量计联合估测区域降水量中,参加校准的雷达初值场代表性好坏在很大程度上影响了最终的估测精度和雨量分布.作者从参加校准的雷达初值场的基本要求出发,分析了先前几种预处理方法的优缺点,提出一种新的资料预处理方法--时间权重平均法,并用1996~1997年的雷达和地面雨量站实测资料进行了分析.结果表明:该方法充分考虑了雷达和雨量计观测的时间一致性,能够在一定程度上改善雷达估测降水的初值场,提高了估测区域降水量的精度.

References

[1]  厦门雷达站雷达型号714SD,成都784厂生产,1995年投入业务使用,每月雷达标定一次.
[2]  张培昌,戴铁丕,杜秉玉,等.雷达气象学.北京:气象出版社,1988.329ppZhang Peichang,Dai Tiepei,Du Bingyu,et al.RadarMeteorology (in Chinese).Beijing:China Meteorological Press,1988.329pp
[3]  林炳干,张培昌,顾松山.天气雷达测定区域降水量方法的改进与比较.南京气象学院学报,1997,20(3):334~340Lin Binggan,Zhang Peichang,Gu Songshar.Improvement of weather radar-measured regional rainfall with comparison to other techniques.Journal of Nanjing Institute of Meteorology (in Chinese),1997,20(3):334~340
[4]  张培昌,戴铁丕,伍志芳,等.用变分方法校准数字化天气雷达测定区域降水量基本原理和精度.大气科学,1992,16(2):248~256Zhang Peichang,Dai Tiepei,Wu Zhifang,et al.Principle and accuracy of adjusting the area precipitation from digital weather radar through variational method.Chinese Journal of Atmospheric Sciences (Scientia Atmospherica Sinica) (in Chinese),1992,16(2):248~256
[5]  赵坤,刘国庆,葛文忠.用卡尔曼滤波确定变分方法中的权重系数进行雨量校正.气候与环境研究2001,6(2):180~185Zhao Kun,Liu Guoqing,Ge Wenzhong.Precipitation calibration by using Kalman filter to determine the coefficients of the variational method.Climatic and Environmental Research (in Chinese),2001,6(2):180~185
[6]  李建通,张培昌.最优插值法用于天气雷达测定区域降水量.台湾海峡,1996,15(3):255~259Li Jiantong,Zhang Peichang.Optimum interpolation method used for measuring regional precipitation with weather radar.Journal of Oceanography in Taiwan Strait (in Chinese),1996,15(3):255~259
[7]  Shedd R,Smith J,Walton M.Sectorized hybrid scan strategy of the NEXRAD precipitation-processing system.Hydrological Applications of Weather Radar,I.Cluckie and C.Collier,Eds.,Ellis Horwood Limited,1991,151~159
[8]  Breidenbach J P,Seo D J,Fulton R,et al.Improving WSR-88D precipitation estimates through optimization of the hybrid scan.Preprints,27th Intl.Conf.Radar Meteor.,Amer.Meteor.Soc.,Boston,1995.243~245
[9]  O\'Bannon T.Using a ‘terrain-based \' hybrid scan to improve WSR-88D precipitation estimates.Preprints,28th Conf.On Radar Meteorology,Austin,TX,Amer.Meteor.Soc.,1997.506~507
[10]  Fulton R A,Breidenbach J P,Seo D-J,et al.The WSR-88D rainfall algorithm.Weather and Forecasting,1998,13:377~395
[11]  Joss J,Waldvogel A.Precipitation estimates and vertical reflectivity profile corrections.24th Conf.Radar Meteor.,Florida:AMS,1989.682~688
[12]  Vignal B,Andrieu H,Creutin J D.Identification of vertical profile of reflectivity from volume scan radar data.J.Appl.Meteor.,1999,38:1214~1228
[13]  戴铁丕,詹煜,刘婉莉.用CAPPI和PPI资料测定区域降水量精度比较.气象,1995,21(7):9~14Dai Tiepei,Zhan Yu,Liu Wanli.An accuracy comparison of estimated precipitation by CAPPI and by PPI data.Meteorology (in Chinese),1995,21(7):9~14
[14]  戴铁丕,袁招洪,王自发,等.用CAPPI的资料估算区域降水量和雷达反射率因子垂直廓线初探.南京气象学院学报,1995,18(1):19~125Dai Tiepei,Yuan Zhaohong,Wang Zifa,et al.A study of estimation of regional rainfall by using CAPPI and vertical profiles of reflectivity factor Z.Journal of Nanjing Institute of Meteorology (in Chinese),1995,18(1):19~125
[15]  李建通,杨维生,郭林,等.提高最优插值法测量区域降水量精度的探讨.大气科学,2000,24(2):263~270Li Jiantong,Yang Weisheng,Guo Lin,et al.A study of improving precision of measuring regional precipitation in optimum interpolation method.Chinese Journal of Atmospheric Sciences (in Chinese),2000,24(2):263~270

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133