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자료유형
학술저널
저자정보
저널정보
한국농공학회 한국농공학회논문집 한국농공학회논문집 제62권 제2호
발행연도
2020.1
수록면
39 - 52 (14page)

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A high quality, long-term, high-resolution precipitation dataset is an essential in climate analyses and global water cycles. Rainfall data from stationobservations are inadequate over many parts of the world, especially North Korea, due to non-existent observation networks, or limited reporting ofgauge observations. As a result, satellite-based rainfall estimates have been used as an alternative as a supplement to station observations. The ClimateHazards Group Infrared Precipitation (CHIRP) and CHIRP combined with station observations (CHIRPS) are recently produced satellite-based rainfallproducts with relatively high spatial and temporal resolutions and global coverage. CHIRPS is a global precipitation product and is made availableat daily to seasonal time scales with a spatial resolution of 0.05° and a 1981 to near real-time period of record. In this study, we analyze theapplicability of CHIRPS data on the Korean Peninsula by supplementing the lack of precipitation data of North Korea. We compared the dailyprecipitation estimates from CHIRPS with 81 rain gauges across Korea using several statistical metrics in the long-term period of 1981-2017. Tosummarize the results, the CHIRPS product for the Korean Peninsula was shown an acceptable performance when it is used for hydrologicalapplications based on monthly rainfall amounts. Overall, this study concludes that CHIRPS can be a valuable complement to gauge precipitation datafor estimating precipitation and climate, hydrological application, for example, drought monitoring in this region.

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