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- W2396253713 startingPage "339" @default.
- W2396253713 abstract "본 연구에서는 NOAA CPC에서 제공하고 있는 인공위성을 이용한 광역적 강수량 추정 자료인 CMORPH와 지상 관측자료와의 비교를 통해 위성으로부터 유도된 강수자료의 정확도 및 활용 가능성 등 수자원 분야 이용 가능성을 분석하는 것을 목적으로 하였다. 2002-2011년의 10년간의 자료를 분석한 결과 1일 누가강수의 상관계수가 평균 0.87 정도로 분석되었으나, 연간 총강수량은 약 4~5배 정도 차이가 나는 것으로 분석되었다. 또한 시간해상도가 커짐에 따라 RMSE의 변동성이 작아지는 것으로 분석되었다. 유역 규모에 따른 분석에서 유역 규모가 커질수록 강수자료의 정확도에 대한 평가가 향상되는 것으로 분석되었다. This study analyzes the application possibilities of the satellite-derived precipitation to water resources field. Precipitation observed by ground gauges and climate prediction center morphing method (CMORPH) which is global scale precipitation estimated by National Oceanic and Atmospheric Administration Climate Prediction Center (NOAA CPC) using satellite images are compared to evaluate the quality of precipitation estimated from satellite images. Precipitation data from 10-years (2002 to 2011) is applied. The correlation coefficient of 1-day cumulative precipitation is 0.87, but the 1-year precipitation is 4 to 5 times different. The variability of root mean square error (RMSE) become smaller as temporal resolution lower. On the results for the watershed scale, the precipitation from gauges and CMORPH shows better agreement as the watershed become larger." @default.
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- W2396253713 date "2013-08-31" @default.
- W2396253713 modified "2023-09-27" @default.
- W2396253713 title "Fitness Evaluation of CMORPH Satellite-derived Precipitation Data in KOREA" @default.
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- W2396253713 doi "https://doi.org/10.17663/jwr.2013.15.3.339" @default.
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