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주상원 ( Sang Won Ju ),정효상 ( Hyo Sang Chung ),김금란 ( Kum Lan Kim ) 大韓遠隔探査學會 1994 大韓遠隔探査學會誌 Vol.10 No.1
The International TOVS(TIROS Oprational Vertical Sounders) Process Package (ITPP-VI) is for a global usage, which needs a surface data to generate atmospheric soundings. If the initial input process in the ITPP-VI is not modified, it takes climatic surface data for producing sounding data in general. Korea Meteorological Administration(KMA) is trying to improve the quality of TOVS sounding data using real-time synoptic observations and make a use weather prediction and analysis in various ways. Serval cases in this study show that TOVS retrieved meteolorogical parameters such as atmospheric temperature, dew point depression and geopotential heights used by synoptic surface observations can delineate more detailed atmospheric feature rather than those used by climate surface data. In addition, the collocated comparisons of TOVS synoptic retrieved parameters with radiosonde observations are performed statistically. TOVS retrieved fields with the synoptic surface analyzed data show smaller bias relatively than those with the climatic data and also reduced root mean square differences below 700 hPa as expected.