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Çѱ¹¼öÀÚ¿øÇÐȸ / v.34, no.6, 2001³â, pp.735-743
LANDSAT ¿µ»óÀ» ÀÌ¿ëÇÑ CN°ª »êÁ¤¿¡ °üÇÑ ¿¬±¸
( A Study of Runoff Curve Number Estimation Using Landsat Image )
Á¶È«Á¦;±è±¤¼·;ÀÌÃæÈñ; ¿ï»ê´ëÇб³ Åä¸ñȯ°æ°øÇкÎ;;¿ï»ê´ëÇб³ Åä¸ñȯ°æ°øÇкÎ;
 
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CN¹ýÀº ÅäÁöÀ̿뺯ȭ·Î ÀÎÇÑ ¼ö¹®ÇÐÀû ¿µÇâÀ» ÆÇ´ÜÇÏ´Â °æ¿ì, ±× Àû¿ë¼ºÀÌ ¸Å¿ì ¿ì¼öÇÑ °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÅäÁöÀÌ¿ëÀÇ °ø°£ÀûºÐÆ÷¸¦ ºÐ¼®Çϱâ À§ÇØ Landsat ´ÙÁߺб¤¿µ»óÀ» ÀÌ¿ëÇÏ¿´´Ù. ºÐ¼®µÈ ¿µ»óÀÚ·á·ÎºÎÅÍ »êÁöÁö¿ªÀ» ½Ä»ý¹Ðµµ¿¡ µû¶ó ÀçºÐ·ùÇϰí, ½Ä»ý¹Ðµµ°¡ À¯Ãâ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ºÐ¼®Çϱâ À§ÇØ CN¹ýÀ» ÀÌ¿ëÇÏ¿´´Ù. Åä¾çµµÀÇ Á¾·ù(Á¤¹ÐÅä¾çµµ, °³·«Åä¾çµµ)¿¡ µû¶ó ºÐ¼®ÇÑ °á°ú, CNÀº ½Ä»ý¹Ðµµ¿¡ µû¶ó¼­´Â º¯È­°¡ ¹Ì¹ÌÇÑ ¹Ý¸é Åä¾ç µµÀÇ Á¾·ù¿¡ µû¶ó¼­´Â ¸Å¿ì Å« Â÷À̸¦ º¸¿´´Ù. ½ÇÃø°­¿ì¡¤À¯ÃâÀÚ·á¿Í ºñ±³Çغ» °á°ú CNÃßÁ¤¿¡ ÀÖ¾î Á¤¹ÐÅä¾çµµ¸¦ »ç¿ëÇÏ´Â °ÍÀÌ Çâ»óµÈ °á°ú¸¦ º¸¿´´Ù.
CN procedure has been proven to be useful method for evaluating the effects of changes in land-use and treatment on hydrology. In this study, the use of Landsat multi-spectral image was investigated for analyzing the land-use distribution. From the Landsat data, forest areas were classified according to the density of trees. Watershed CN's were calculated to analyze the effects of the density of trees and soil cover types on direct runoff. According to the results, the density of trees had a little effect while soil cover types had a large effect on CN, From the comparison of estimated runoffs from CN method with observed runoffs, detailed soil cover map provides improved results.
 
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Åä¾çµµ;½Ä»ý¹Ðµµ;LANDSAT;CN;soil cover;LANDSAT;CN;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.34, no.6, 2001³â, pp.735-743
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111920877997)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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