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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.6, 2003³â, pp.999-1012
À§¼º¿µ»ó ÇǺ¹ºÐ·ù¿¡ ´ëÇÑ CN°ª »êÁ¤(II): - Àû¿ë ¹× °ËÁ¤ -
( Runoff Curve Number Estimation for Cover and Treatment Classification of Satellite Image(II): - Application and Verification )
À̺´ÁÖ;¹è´öÈ¿;Á¤Ã¢»ï; ±¹¸³¹æÀ翬±¸¼Ò;¼¼Á¾´ëÇб³ ¼ö¿î¿¬±¸¼Ò¤ýÅä¸ñȯ°æ°øÇаú;¿¬¼¼´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ³í¹®ÀÇ ¸ñÀûÀº À§¼º¿µ»ó ÇǺ¹ºÐ·ùÇ׸ñ¿¡ ´ëÇØ Åë°èÀû Á¢±Ù¹ýÀ¸·ÎºÎÅÍ »êÁ¤µÈ À¯Ãâ°î¼±Áö¼ö(CN)¸¦ ÀÌ¿ëÇÏ¿© °è»ê À¯È¿¿ì·®°ú °üÃø À¯È¿¿ì·®À» ºñ±³ÇÔÀ¸·Î½á ±× Àû¿ë¼ºÀ» °ËÅäÇϴµ¥ ÀÖ´Ù. °ËÁ¤À» À§ÇÑ Àû¿ë´ë»óÁö¿ªÀº °æ¾Èõ ¼öÀ§ÁöÁ¡ »ó·ùÀ¯¿ª, ¹é¿ÁÆ÷ ¼öÀ§ÁöÁ¡ »ó·ùÀ¯¿ª, ±«»ê´ï ¼öÀ§ÁöÁ¡ »ó·ùÀ¯¿ªÀ¸·Î ¼±Á¤ÇÏ¿´À¸¸ç °¢ Áö¿ªº°·Î 4°³ÀÇ È«¼ö»ç»óÀ» ¼±Á¤ÇÏ¿´´Ù. CN °ª »êÁ¤À» À§ÇØ 2000³â¿¡ ȹµæµÈ Landsat-7 ETM ¿µ»óÀ» ÀÌ¿ëÇÏ¿© ÅäÁöÀ̿뵵¸¦ ±¸ÃàÇÏ¿´À¸¸ç °³·«Åä¾çµµ·ÎºÎÅÍ ¼ö¹®ÇÐÀû Åä¾ç±ºÀ» ±¸ÃàÇÏ¿´´Ù. À¯¿ªÆò±Õ CN °ªÀº ´ë»óÁö¿ªº°·Î 71, 63, 66À¸·Î ³ªÅ¸³µÀ¸¸ç °è»ê À¯È¿¿ì·®°ú °üÃø À¯È¿¿ì·®ÀÇ ºñ±³°á°ú ¾à30% À̳»ÀÇ ÀÏÁ¤¼öÁØÀÇ ¿ÀÂ÷¸¦ °¡Áö´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. µû¶ó¼­ À§¼º¿µ»óÀ» ÀÌ¿ëÇÏ¿© ¹Ì°èÃø À¯¿ªÀÇ CN °ª »êÁ¤½Ã º» ³í¹® I¿¡¼­ °³¹ßÇÑ CN °ªÀ» Àû¿ëÇÔÀ¸·Î¼­ ±âÁ¸ÀÇ ¹æ¹ý¿¡ ºñÇØ º¸´Ù °´°üÀûÀÎ °ªÀ» Á¦½ÃÇØÁÙ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
The objective of this study is to test the applicability of CN values suggested using land cover and treatment classification of satellite image. Applicability test is based on the comparison of observed effective rainfall and computed one. The 3 case study areas, where are the upstream of Gyeongan stage station, the upstream of Baekokpo stage station Pyungchang River basin, and the upstream of Koesan Dam, are selected to test the proposed CN values and the hydrologic and meteorologic data, Landsat-7 ETM of 2000, soil map of 1:50,000 are collected for the selected areas. The results show that the computed CN values for three study cases are 71, 63, 66, respectively, and the errors between observed and computed effective rainfall are within about 30%. It can be concluded that the proposed CN values from this study for land cover and treatment classification of satellite image not only provides more accurate results for the computation of effective rainfall, but also suggest the objective CN values and effective rainfall.
 
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À¯Ãâ°î¼±Áö¼ö;Åë°èÇÐÀû Á¢±Ù¹ý;Åä¾çµµ;¼ö¹®ÇÐÀû Åä¾ç±º;À¯È¿¿ì·®;Runoff Curve Numbers(CNs);statistical approach;Landsat-7 ETM;soil map;hydologic soil group;effective rainfall;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.6, 2003³â, pp.999-1012
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922122554)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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ȸ»ç¼Ò°³ ±¤°í¾È³» ÀÌ¿ë¾à°ü °³ÀÎÁ¤º¸Ãë±Þ¹æÄ§ Ã¥ÀÓÀÇ ÇѰè¿Í ¹ýÀû°íÁö À̸ÞÀÏÁÖ¼Ò ¹«´Ü¼öÁý °ÅºÎ °í°´¼¾ÅÍ
   

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