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Çѱ¹¼öÀÚ¿øÇÐȸ / v.40, no.11, 2007³â, pp.841-849
°­¿ì ·¹ÀÌ´õ¿Í Áö»ó ¿ì·®°èÀÇ ÅëÇÕ°üÃøÈ¿°ú
( Effect of Combined Rainfall Observation with Radar and Rain Gauge )
À¯Ã¶»ó;±è°æÁØ; °í·Á´ëÇб³ °ø°ú´ëÇÐ °ÇÃà.»çȸȯ°æ°øÇаú;°í·Á´ëÇб³ °ø°ú´ëÇÐ °ÇÃà.»çȸȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ¿ì·®°è¿Í °­¿ì ·¹ÀÌ´õ¸¦ ÇÔ²² ÀÌ¿ëÇÏ´Â °æ¿ìÀÇ ÅëÇÕ°üÃø È¿°ú¸¦ °ËÅäÇÏ¿´´Ù. ÅëÇÕ°üÃøÈ¿°ú´Â ¼­·Î Á÷±³ÇÏ´Â °üÃø¹æ¹ýÀÇ °áÇÕ¿¡ µû¸¥ °üÃø¿ÀÂ÷ÀÇ °¨¼Ò¸¦ °í·ÁÇÔÀ¸·Î½á Æò°¡µÈ´Ù. ±¸Ã¼ÀûÀÎ Àû¿ë ¿¹·Î¼­ ±Ý°­À¯¿ª¿¡ ´ëÇÏ¿© °­¿ì ·¹ÀÌ´õ°¡ Ãß°¡·Î ¼³Ä¡µÇ´Â °æ¿ì ¿ì·® °üÃø¸Á ¹Ðµµ¸¦ ¾î´À Á¤µµ±îÁö Á¶Á¤ÇÒ ¼ö ÀÖ´ÂÁö¿¡ ´ëÇÑ Æò°¡¸¦ ¼öÇàÇÏ¿´´Ù. À̸¦ À§ÇØ North and Nakamoto(1989), Yoo et al. (1996), À¯Ã¶»ó(1997)ÀÇ °üÃø¿ÀÂ÷ °ü·Ã ¿¬±¸¸¦ ÀÀ¿ëÇÏ¿´À¸¸ç, °­¿ìÀåÀÇ ¸ðÇüÈ­¸¦ À§Çؼ­´Â ±× ±¸Á¶°¡ °£´ÜÇÑ NFD ¸ðÇüÀ» ÀÌ¿ëÇÏ¿´´Ù. ¸ðÇüÀÇ ¸Å°³º¯¼ö´Â ±Ý°­À¯¿ªÀÇ 28°³ ¿ì·® °üÃø¼Ò ½ÃÀڷḦ ÀÌ¿ëÇÏ¿© ÃßÁ¤µÈ °­¿ìÀåÀÇ Æ¯¼ºÄ¡(»ó°ü°Å¸® ¹× »ó°ü½Ã°£)¸¦ ÀÌ¿ëÇÏ¿© °áÁ¤ÇÏ¿´°í, ·¹ÀÌ´õÀÇ ¿î¿µ Ư¼ºÀº ÀÓÀÇ·Î °¡Á¤ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â WMO(1994)ÀÇ Ãßõ ¿ì·®°üÃø ¹Ðµµ¿Í ±Ý°­À¯¿ª¿¡ ¼³Ä¡µÈ ¿ì·® °üÃø ¹Ðµµ¸¦ °í·ÁÇÏ¿© ·¹ÀÌ´õÀÇ µµÀÔÀ¸·Î ÀÎÇÑ ¿ì·® °üÃø ¹ÐµµÀÇ Á¶Á¤ ¹æ¾ÈÀ» Á¦½ÃÇÏ¿´´Ù.
This study evaluated the effect of combined rainfall observation of using rain gauge and rain radar. The effect of combined observations is to be evaluated by considering the decrease of measurement error due to combined use of design orthogonal observation methods. As an example, this study evaluated the rain gauge network of the Keum river basin, and showed how the density of rain gauges could be decreased by combining the radar observation. This study applied the researches on sampling error by North and Nakamoto(1989), Yoo et al. (1996) and Yoo (1997), also the simple NFD model for representing the rainfall field. The model parameters were decided using the rainfall characteristics (correlation time and length) estimated using the data collected in the Keum River Basin by 28 rain gauges and the operation rule of radar was assumed arbitrarily. This study considered the rain gauge density criteria provided by WMO(1994) and the rain gauge density installed in the Keum river basin to decrease the rain gauge density under the condition of introducing the radar.
 
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·¹ÀÌ´õ;¿ì·®°è;ÅëÇÕ°üÃø;±Ý°­ À¯¿ª;radar;rain gauge;combined observation;Keum River Basin;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.40, no.11, 2007³â, pp.841-849
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200703534251896)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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