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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.4, 2006³â, pp.335-346
·¹ÀÌ´õ Á¤·®°­¿ì¿Í ¿¬°èÇÑ È«¼öÀ¯Ãâ ¹× ¹ü¶÷ÇØ¼® ½Ã½ºÅÛ È®¸³ II. CokrigingÀ» ÀÌ¿ëÇÑ 2Â÷¿ø Á¤·®°­¿ì »êÁ¤
( Development of a Flood Runoff and Inundation Analysis System Associated With 2-D Rainfall Data Generated Using Radar II. 2-D Quantitative Rainfall Estimation Using Cokriging )
ÃÖ±ÔÇö;ÇѰǿ¬;±è±¤¼·;ÀÌâÈñ; °Ç¼³±³ÅëºÎ ÇѰ­È«¼öÅëÁ¦¼Ò ÇÏõÁ¤º¸¼¾ÅÍ;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;°æºÏ´ëÇб³ °ø°ú´ëÇÐ Åä¸ñ°øÇаú;
 
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¼ö¹®¸ðÇüÀÇ ¸¹Àº ÀÔ·ÂÀÚ·á °¡¿îµ¥ °­¿ì °üÃøÀÚ·á°¡ ¸ðÀǰá°ú¿¡ °¡Àå ÁÖ¿äÇÑ ¿øÀÎÀ» °¡Áø´Ù. °ú°ÅºÎÅÍ ¼ö¹®¸ðÇüÀº À¯¿ª¿¡¼­ÀÇ Æò±Õ°­¿ì·® ÀڷḦ ÇÑ ÁöÁ¡¿¡¼­ÀÇ °­¿ì·® ÀÚ·á¿¡ ÀÇÁ¸ÇØ ¿Ô´Ù. ±×·¯³ª, ÁöÁ¡¿¡¼­ ÃøÁ¤µÈ °­¿ì·® ÀڷḦ À¯¿ªÀ» ´ëÇ¥ÇÏ´Â Æò±Õ°­¿ì·® »êÁ¤¿¡ ÀÌ¿ëÇÒ °æ¿ì ºÎÀûÀýÇÑ °æ¿ì°¡ ¹ß»ýÇÒ ¼ö ÀÖÀ¸¸ç, ƯÈ÷ ±× °èÃø¸ÁÀÌ Á¶¹ÐÇÏÁö ¸øÇÒ °æ¿ì ´õ¿í ±×·¯ÇÏ´Ù. ·¹ÀÌ´õÀÇ °æ¿ì º¸´Ù ³ÐÀº À¯¿ª Àüü¸¦ °üÃøÇϱ⠶§¹®¿¡ À¯¿ª¿¡¼­ÀÇ Æò±Õ°­¿ì·®À» Á¦°øÇÔ¿¡ ÀÖ¾î ÁÁÀº °üÃøÀåºñ¶ó ÇÒ ¼ö ÀÖ´Ù. ·¹ÀÌ´õ¸¦ ÀÌ¿ëÇÏ¿© °­¿ì¸¦ °üÃøÇÒ °æ¿ì Á÷Á¢ÀûÀÎ °­¿ì°üÃøÀÌ ¾Æ´Ï±â ¶§¹®¿¡ QPE¿¡¼­ ¸î¸î ÇѰ谡 ÀÖÀ» ¼ö ÀÖÀ¸³ª, °­¿ìÀÚ·áÀÇ °ø°£º¯È­µµ¿¡ ´ëÇÑ ÁÁÀº Á¤º¸¸¦ Á¦°øÇØ ÁØ´Ù. ¶ÇÇÑ Áö»óÀÇ °­¿ì°üÃø¼Ò¿¡¼­ÀÇ °­¿ìÃøÁ¤ÀÚ·á´Â ÁöÁ¡¿¡¼­ÀÇ °­¿ì·®¿¡ ´ëÇÑ Á¤È®ÇÑ Á¤º¸¸¦ Á¦°øÇØ ÁØ´Ù. µû¶ó¼­, º» ¿¬±¸ÀÇ ¸ñÀûÀº Áö»óÀÇ °­¿ì°üÃø¼Ò¿¡¼­ °üÃøµÈ °­¿ì·® ÀÚ·á¿Í ·¹ÀÌ´õ¸¦ ÀÌ¿ëÇÏ¿© °üÃøµÈ ÀÚ·á, Áï µÎ °¡Áö °üÃøÀڷḦ Ordinary cokriging º¸°£À» ÀÌ¿ëÇÏ¿© ÅëÇÕÇÔÀ¸·Î½á °³¼±µÈ °­¿ì·® ÃßÁ¤¹æ¹ýÀ» °³¹ßÇÑ´Ù.
Among various input data to hydrologic models, rainfall measurements arguably have the most critical influence on the performance of hydrologic model. Traditionally, hydrologic models have relied on point gauge measurements to provide the area-averaged rainfall information. However, rainfall estimates from gauges become inadequate due to their poor representation of areal rainfall, especially in situations with sparse gauge network. Alternatively, radar that covers much larger areas has become an attractive instrument for providing area- averaged precipitation information. Despite of the limitation of the QPE(Quantitative Precipitation Estimation) using radar, we can get the better information of spatial variability of rainfall fields. Also, rain-gauges give us the better quantitative information of rainfall field. Therefore, in this study, we developed improved methodologies tu estimate rainfall fields using an ordinary cokriging technique which optimally merges radar reflectivity data into rain-gauges data.
 
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·¹ÀÌ´õ;°­¿ì°üÃø¼Ò;radar;rain gauge;cokriging;QPE;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.4, 2006³â, pp.335-346
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200624717903949)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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