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Çѱ¹¼öÀÚ¿øÇÐȸ / v.35, no.4, 2002³â, pp.411-423
Landsat TM ÀڷḦ ÀÌ¿ëÇÑ ÅäÁöÇǺ¹ºÐ·ù¿Í À¯È¿¿ì·®µµÀÇ ÀÛ¼º
( Land Cover Classification and Effective Rainfall Mapping using Landsat TM Data )
½Å»çö;±Ç±â·®;±è¼ºÁØ; ¾Èµ¿´ëÇб³ Åä¸ñȯ°æ°øÇаú;Çѱ¹¼öÀÚ¿ø°ø»ç ¼öÀÚ¿ø¿¬±¸¼Ò;°Ç±¹´ëÇб³ Áö¿ª°Ç¼³È¯°æ°øÇаú;
 
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À¯Ãâ¿¡ ´ëÇÑ ½Å¼ÓÇϰí Á¤È®ÇÑ ¿¹ÃøÀº ¼ö¹® ¹× ¼öÀÚ¿ø ºÐ¾ß¿¡ À־ ±Ã±ØÀûÀÎ ¸ñÇ¥ ÁßÀÇ ÇϳªÀ̸ç, ¿ì¸®³ª¶ó¿Í °°ÀÌ °­¿ì¿¡ ´ëÇÑ À¯ÃâÀÇ ÀÀ´äÀÌ ÂªÀº ½Ã°£¿¡ ¹ß»ýÇÏ´Â °æ¿ì¿¡ ¹«¾ùº¸´Ùµµ Áß¿äÇÏ´Ù. µû¶ó¼­, ÅäÁöÀ̿뺯ȭ µî¿¡ ÀÇÇÑ À¯ÃâÀÇ º¯È­ ¹× °¨½Ã¸¦ Æ÷ÇÔÇÏ´Â À¯¿ª³»ÀÇ ¼ö¹® º¯¼öÀÇ º¯È­¸¦ ÀûÀýÇÏ°Ô °í·ÁÇÒ ¼ö ÀÖ´Â ºÐÆ÷Çü ÀڷḦ ¼±È£ÇÏ°Ô µÈ´Ù. À̶§ ºÐÆ÷Çü ¸ðÇüÀ» Àû¿ë½Ã۱â À§Çؼ­´Â °­¿ìÀÇ °ø°£Æ¯¼ºÀ» ¾Ë¾Æ¾ß Çϸç, °¢ °ÝÀÚº° °­¿ì·®ÀÌ ÀÔ·ÂÀÚ·á·Î Ȱ¿ëµÇ¾î °¢ °ÝÀÚº° À¯ÃâÆ¯¼ºÀ» ÆÄ¾ÇÇÏ°Ô µÈ´Ù. Landsat TM ÀڷḦ ÀÌ¿ëÇÒ °æ¿ì ºÐÆ÷Çü ¸ðÇüÀ» À§ÇÑ À¯¿ª ³»¿¡ °ü·ÃµÈ ÀÎÀÚ ¹× ½Ä»ý, ÅäÁöÇǺ¹ µîÀÇ ÀÚ¼¼ÇÑ Á¤º¸¸¦ Á¦°øÇÒ ¼ö ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â SCSÀÇ À¯Ãâ°î¼±¹øÈ£(CN)¿¡ ÀÇÇÑ ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© À¯È¿¿ì·®µµ¸¦ ÀÛ¼ºÇÏ¿© ½Å¼ÓÇÏ°Ô À¯ÃâÀÇ °¨½Ã°¡ °¡´ÉÇϵµ·Ï ÇÏ´Â ±â¹ý¿¡ ´ëÇÏ¿© °ËÅäÇÏ¿´´Ù. È£¿ì½Ã¿¡ À־ À¯È¿¿ì·®¿¡ ´ëÇÑ ½Ã°è¿­ ÀÚ·á´Â º» ±â¹ýÀ» ÅëÇÏ¿© ºÐÆ÷ÇüÅ·μ­ °è»êi°ú ¼ö ÀÖÀ¸¸ç, ÀÌ °á°ú´Â ºÐÆ÷Çü À¯Ãâ¸ðÇüÀ» ÀÌ¿ëÇÏ¿© À¯¿ª Ãⱸ¿¡¼­ÀÇ ¼ö¹®°î¼±À» »êÁ¤ÇÒ ¼ö ÀÖ´Ù.
Accurate and real time forecasting of runoff has a high priority in the drainage basins prone to short, high intensity rainfall events causing flash floods. To take into account the resolution of hydrological variables within a drainage basin, use of distributed system models is preferred. The Landsat Thematic Mapper(TM) observations enable detailed information on distribution of land cover and other related factors within a drainage basin and permit the use of distributed system models. This paper describes monitoring technique of rainfall excess by SCS curve number method. The time series maps of rainfall excess were generated for all the storm events to show the spatiotemporal distribution of rainfall excess within study basin. A combination of the time series maps of rainfall excess with a flow routing technique would simulate the flow hydrograph at the drainage basin outlet.
 
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À¯È¿¿ì·®;ºÐÆ÷Çü¸ðÇü;rainfall excess;Landsat-TM;SCS CN;distributed model;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.35, no.4, 2002³â, pp.411-423
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200218718191277)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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