지상 강우량과 오성산 레이더 반사도 자료의 관측 오차 비교 연구

Abstract

This material Oseongsan radar in May 2007 that since replaced by the S-band precipitation in December 2008 by Type, Distance, automatic weather observation system by Condition (Automatic Weather System: AWS) radar observations of rainfall and with comparison of the data. analysis found several errors on the quantitative assessment of rainfall intensity and spatial high-resolution weather forecasts and radar using a short period of time to take advantage of research was to compare the accuracy of weather radar, complemented by validation and risk In case the weather more accurately estimate rainfall intensity observations to find a better and long-term radar observations of rain gauges and ground verification data. Infrastructure for research in the radar images that can evoke a variety of precipitation to reduce errors were analyzed using the methods. In this study, Ohseongsan ground radar and rain gauges look at the cause of the error, without considering precipitation pattern uniform application of ZR relations in radar rainfall at convective precipitation that will cause the under-estimation, RADAR-AWS between the error rate proportional to the intensity of rainfall and the intensity of the reflected CAPPI 1.5km, the observed higher or lower than a height where you can receive a strong reflection of radar and data processing of radar and AWS the time lag from etc., want to find out the nature of the error was different.