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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.4, 2003³â, pp.647-659
Áö»ó°­¿ì °üÃøÄ¡¿¡ ÀÇÇÑ TRM/PR °üÃøÄ¡ÀÇ º¸Á¤ ¹× SCS À¯ÃâÇØ¼® : ¿ë´ã´ï À¯¿ªÀ» ´ë»óÀ¸·Î
( Adjustment of TRM/PR Data by Ground Observed Rainfall Data and SCS Runoff Estimation : Yongdam-Dam Watershed )
ÀåöÈñ;±ÇÇüÁß;°í´ö±¸;±è¼ºÁØ; Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿øÈ¯°æ¿¬±¸ºÎ;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò ¼öÀÚ¿øÁ¤º¸È­ÆÀ;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;
 
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º» ¿¬±¸ÀÇ ¸ñÀûÀº TRMM/PR(Tropical Rainfall Measuring Mission/Precipitation Radar)¿¡ ÀÇÇÏ¿© °üÃøµÈ °ø°£°­¿ìºÐÆ÷ÀÇ ¼ö¹®ÇÐÀû Àû¿ë¼ºÀ» Æò°¡Çϴµ¥ ÀÖ´Ù. À̸¦ À§ÇÏ¿© ¿ì¼± ¿ë´ã´ï À¯¿ª(930.38$km^2$)À» ´ë»óÀ¸·Î ÇÑ TRMM/PR ÀÚ·á(Y)¸¦ ÃßÃâÇÑ ÈÄ, AWS (Automatic Weather Station)¿¡ ÀÇÇÏ¿© °üÃøµÈ Áö»ó°­¿ìÀÚ·á(X)¸¦ °ø°£³»»ðÇÏ¿© ÀÛ¼ºÇÑ ºÐÆ÷µµ¿Í »ó°üºÐ¼®À» ½Ç½ÃÇÏ¿© TRMM/PR ÀڷḦ º¸Á¤ÇÏ´Â °ü°è½ÄÀ» µµÃâÇÏ¿´´Ù(under 60mm/day : Y = 18.55X - 0.53, over 60mm/day : Y = 3.11X + 51.16). ¿ë´ã´ïÀ¯¿ª Àüü¿Í õõ¼öÀ§°üÃø¼Ò ÁöÁ¡ÀÇ À¯¿ªÀ» ´ë»óÀ¸·Î 1999³â ¿©¸§ÀÇ ÃÑ 7°³ °­¿ì»ç»ó¿¡ ´ëÇÑ SCS Á÷Á¢À¯Ãâ·®À» »êÁ¤ÇÏ¿© º½À¸·Î½á º¸Á¤µÈ TRMM/PR ÀÚ·áÀÇ È°¿ë¹æ¹ýÀ» °ËÅäÇÏ¿´´Ù. ±× °á°ú ½ÇÃø À¯Ãâ·®¿¡ ´ëÇÑ »ó´ë¿ÀÂ÷´Â ¿ë´ã´ïÀ¯¿ª Àüü¸¦ ´ë»óÀ¸·Î ÇÑ °æ¿ì, º¸Á¤µÈ TRMM/PRÀÌ 11.3%$sim$38.9%, AWS °üÃøÄ¡°¡ -1.6%$sim$-10.3%·Î ³ªÅ¸³µÀ¸¸ç, õõ ¼öÀ§°üÃø¼Ò¸¦ ´ë»óÀ¸·Î ÇÑ °æ¿ì, º¸Á¤µÈ TRMM/PRÀÌ 19.6%$sim$45.6%, AWS °üÃøÄ¡°¡ 0.5%$sim$10.3%·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­´Â 1999³âµµ 6¿ù~9¿ù(ÃÑ 80¿© °³)ÀÇ TRMM/PR ÀڷḦ ÀÌ¿ëÇÏ¿© °ü°è½ÄÀ» º¸¿ÏÇÏ´Â ¿¬±¸°¡ ÇÊ¿äÇÏ´Ù°í ÆÇ´ÜµÈ´Ù.
The purpose of this study is to evaluate hydrological applicability of spatially observed rainfall distribution data by the TRMM/PR (Tropical Rainfall Measuring Mission / Precipitation Radar). For this study, firstly, TRMM/PR data (Y) of the Yongdam-Dam Watershed (930.38$km^2$) was extracted and secondly, TRMM/PR data and the rainfall data (X) by AWS (Automatic Weather Station) were compared by executing a correlation analysis. As a result, the regression equations were deduced as two parts (under 60mm/day : Y = 18.55X-0.53, over 60mm/day : Y = 3.11X+51.16). SCS runoff analysis was conducted using 7 rainfall events in 1999 for Yongdam-Dam watershed and the Cheon-Cheon subwatershed for the revised TRMM/PR data. TRMM/PR data showed relative errors ranging from 19.6£¥ ti 45.6£¥, and from 11.3£¥ to 38.9£¥ for Cheon-Cheon subwatershed and Yongdam-Dam watershed, respectively, AWS data showed relative errors ranging from 0.5£¥ to 12.8£¥, and from -1.6£¥ to -10.3£¥, for Cheon-Cheon subwatershed and Yongdam-Dam watershed, respectively. Futher researches are necessary to evaluate the relationship between TRMM/PR data and AWS data for practical hydrological applications.
 
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»ó°üºÐ¼®;º¸Á¤½Ä;TRMM/PR;AWS;SCS;correlation analysis;regression equation;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.4, 2003³â, pp.647-659
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921879148)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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