INTERNATIONAL WORKSHOP ON PRECIPITATION MEASUREMENT .2. WIND RELATED ERRORS IN DIFFERENT METHODS OF SOLID PRECIPITATION MEASUREMENT

被引:4
作者
GUNTHER, T
GRAF, B
机构
[1] Meteorological Service of the GDR, Research Insitute for Hydrometeorology, Berlin
关键词
WIND EFFECT; COMPARISON; SNOW PRECIPITATION MEASUREMENT;
D O I
10.1002/hyp.3360050303
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
Using data sets assembled within the WMO Solid Precipitation Measurement Intercomparison, the paper deals with the wind related losses in national methods of solid precipitation measurement. Fourteen different types of precipitation gauges are included in the Harzgerode/GDR intercomparison field. Initial results of the comparisons between the Valdai double fence reference method and the other gauges in terms of dependence on wind speed and type of precipitation are presented. These results reveal that the national unsheltered HELLMANN gauge catches only 24 per cent to 70 per cent of the daily totals of solid precipitation as compared with the reference gauge. Results of the analysis of monthly totals and individual events reveal a similar dependence of gauge deficiencies on wind speed and type of precipitation. Case studies of single snow falls and the wind field conditions around and within the double fence reference are also described.
引用
收藏
页码:233 / 241
页数:9
相关论文
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