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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.9, 2007³â, pp.743-754
¿ì·®°è °­¿ì¸¦ ÀÌ¿ëÇÑ ·¹ÀÌ´õ °­¿ìÀÇ Ground-Truth ¹æ¹ý °ËÅä
( On Ground-Truth Designs of Radar Rainfall Using Rain Gauge Rainfall )
À¯Ã¶»ó;±èº´¼ö;±è°æÁØ;ÃÖÁ¤È£; °í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;°í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;°í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;°í·Á´ëÇб³ »çȸȯ°æ½Ã½ºÅÛ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ·¹ÀÌ´õ °­¿ìÀÇ ground-truth¸¦ À§ÇØ °¡´ÉÇÑ 3°¡Áö ºñ±³¹æ¹ý, Áï 3°¡Áö ground-truth¼³°è¸¦ ÀÌ·ÐÀûÀ¸·Î °ËÅäÇÏ¿´´Ù. ÀÌ·ÐÀûÀÎ °á°ú´Â ¸ÕÀú, WGR°­¿ì¸ðÇüÀ¸·Î ¸ðÀÇµÈ 3Â÷¿ø °­¿ìÀå¿¡ Àû¿ëÇÏ¿© °ËÅäÇÏ¿´À¸¸ç, ¾Æ¿ï·¯ ½ÇÃøÀÚ·áÀÎ °ü¾Ç»ê ·¹ÀÌ´õ ÀÚ·á ¹× ·¹ÀÌ´õ °üÃø¿µ¿ª ³» °Ç¼³±³ÅëºÎ °üÇÒ Áö»ó°üÃø¼Ò °­¿ì ÀÚ·á¿¡ Àû¿ëÇÏ¿© Æò°¡ÇÏ¿´´Ù. ÀüüÀûÀÎ Àû¿ë°á°ú´Â ÀÌ·ÐÀûÀÎ ºÐ¼®³»¿ë ¹× ¸ðÀÇ °­¿ì¸¦ ÀÌ¿ëÇÏ¿© ¼öÇàÇÑ ³»¿ë°ú À¯»çÇÔÀ» È®ÀÎÇÏ¿´´Ù. °á·ÐÀûÀ¸·Î ·¹ÀÌ´õ ¹× ¿ì·®°è °­¿ì°¡ ¾ç(+)ÀÎ °æ¿ì¸¸À» ºñ±³ÇÏ´Â ÇüÅ´ ½É°¢ÇÑ ¼³°èÆíÀǸ¦ À¯¹ßÇÏ¿© ·¹ÀÌ´õ °­¿ìÀÇ ground-truth¿¡ ÀûÀýÇÏÁö ¸øÇÔÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
This study theoretically compared three possible methods for the ground-truth, that is three ground-truth designs of radar rainfall using the rain gauge rainfall. Theoretical results derived are first applied to the rainfall field generated by the Waymire-Gupta-Rodriguez Iturbe(WGR) model, and then to the Mt. Gwanak radar data using the rain gauge data from MOCT within the radar range of observation. Overall application results were found to be similar to those from theoretical studies, also those from the application to the WGR rainfall field. In conclusion, the ground-truth design using only positive(+) rainfalls from both radar and rain gauges causes serious design bias to be inappropriate as a ground-truth design.
 
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·¹ÀÌ´õ °­¿ì;¼³°èÆíÀÇ;º¸Á¤ÆíÀÇ;radar rainfall;ground-truth;design bias;retrieval bias;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.9, 2007³â, pp.743-754
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200734515981665)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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