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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.6, 2003³â, pp.925-936
GIS¸¦ ÀÌ¿ëÇÑ µî½Ã°£µµ ÀÛ¼ºÀÇ Æò°¡
( Evaluation for Constructing Isochrones using a GIS )
Á¶È¿¼·;±è°èÈ£;Á¤°ü¼ö;±èÀçÇÑ; ÀϽÅÇÏÀÌÅØ ±â¼ú¿¬±¸¼Ò;ÀϽÅÇÏÀÌÅØ;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;Ãæ³²´ëÇб³ Åä¸ñ°øÇаú;
 
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º» ¿¬±¸´Â ClarkÀÇ µµ´Þ½Ã°£-Áý¼ö¸éÀûµµ¸¤ ÀÌ¿ëÇÑ À¯¿ªÃßÀû¹ý¿¡ Àû¿ëµÇ´Â µî½Ã°£µµ ÀÛ¼º¿¡ ÀÖ¾î GIS±â¹ýÀ» Àû¿ëÇϱâ À§ÇØ Æ÷ÇüÀÚ·áÀÇ °ø°£ ¸ðÇüÈ­¸¦ ¼öÇàÇÑ °ÍÀÌ´Ù. ±âÁ¸ÀÇ ¼ö ÀÛ¾÷À¸·Î ¼öÇàÇß´ø ÇÏõÁ¾´Ü¹ý ¹× Clark-kict¹ý, Laurenson¹ý, SCS¹ý µîÀÇ ÀÛ¾÷À» Àϰü¼º ¹× ÀçÇö¼ºÀ» ³ôÀÏ ¼ö ÀÖ°í, GIS±â¹ýÀÌ Àû¿ë °¡´ÉÇϵµ·Ï ´ÙÀ½°ú °°ÀÌ °ø°£ ¸ðÇüÈ­¸¦ ¼öÇàÇÏ¿´´Ù. ÇÏõÁ¾´Ü¹ý ¹× Clark-kict¹ýÀº º¤ÅÍÇüÅÂÀÇ ½ÇÁ¦ ÇÏõ¸Áµµ ¸¸À» ÀÌ¿ëÇÏ¿© ½ÇÁ¦ ÇÏõ¸ÁµµÀÇ È帧¹æÇâ°ú ÇÏõ¸Áµµ±â ²ÀÁöÁ¡À» Á¡»ç»ó Ä¿¹ö¸®Áö·Î º¯È¯Çϰí, À̸¦ ÁÖ¿öÁø ÀÓÀÇÀÇ µÎ Á¡ »çÀÌÀÇ °Å¸®¸¦ È帧¹æÇâÀ¸·Î ÃßÀûÇÏ¿© °Å¸®¸¦ ÃøÁ¤ÇÒ ¼ö ÀÖ´Â ARC/INFOÀÇ Route_SystemÀ» ÀÌ¿ëÇÏ¿© ÀÛ¼ºÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀ» Á¦½ÃÇÏ¿´´Ù. Laurenson¹ýÀº º¤ÅÍÇüÅÂÀÇ ½ÇÁ¦ ÇÏõ¸ÁÀ» Á¤¹æÇü°ÝÀÚÀÇ °íµµÇà·Ä·Î Ç¥ÇöµÇ´Â DEMÀÚ·á¿¡ À§Ä¡½ÃÄÑ ½ÇÁ¦ ÇÏõ¸ÁÀ» DEMÀÚ·á¿¡ Á¤ÀÇÇÑ Bum DEM(Equivalent DEM)·ÎºÎÅÍ À¯¿ªÀÇ È帧¹æÇâ°ú ¿øº» DEMÀÚ·áÀÇ °æ»ç¸¦ ·¡½ºÅÍ(Raster)±â¹ÝÀ¸·Î ¸ðÇüÈ­ÇÏ¿´´Ù. S.C.S¹æ¹ýÀº ÅäÁöÀÌ¿ëÁ¶°Ç°ú À¯¼ÓÀ» °æ»çÀÇ ÇÔ¼ö·Î Ç¥½ÃÇÑ °ø½ÄÀ» Àû¿ëÇÒ ¼ö ÀÖµµ·Ï ·¡½ºÅͱâ¹ÝÀ¸·Î ¸ðÇüÈ­ÇÏ¿© Àû¿ëÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­ Á¦½ÃÇÑ °ø°£ ¸ðÇüÈ­ ¹æ¹ýº°·Î µî½Ã°£µµ¸¦ ÀÛ¼ºÇϰí, HEC-1¸ðÇüÀ» ÀÌ¿ëÇÑ ¸ðÀÇ À¯Ãâ¼ö¹®°î¼±°ú ½ÇÃø ¼ö¹®°î¼±¸¦ ºñ±³ÇÏ¿© ±× ÀûÇÕ¼ºÀ» Æò°¡ÇÏ¿´´Ù. Æò°¡°á°ú À¯¿ªÀÇ ÅäÁöÀÌ¿ëÁ¶°Ç°ú °æ»ç¸¦ °í·ÁÇÑ SCS¹æ¹ýÀÌ Å¸ ¹æ¹ý¿¡ ºñÇÏ¿© ºñ±³Àû ÇÕ´çÇÔÀ» º¸¿©ÁÖ¿ü´Ù.
The objective of this study is to suggest new drawing methods of isochrones using GIS. For this purpose the Unit Hydrograph (UH) of studied watershed for instantaneous rainfall suggested by Clark have been determined by routing the time-area curve through a single linear reservoir. To evaluate constructing methods of isochrones three methods has been examined; Channel Profile and Clark-kict method; Laurenson method; Average velocity method of S.C.S. Also, these methods have been recomposed by GIS in this study. To apply first method, spatial modeling, the vector based on the stream network and Route_System measuring a distance between points has been used. A raster based on the flow direction grid from burn DEM and the slope grid from original DEM has been applied for the second method. The third method has been applied by a raster based on the landuse grid and a velocity function expressed by slope. Results by these three methods have been evaluated with observed hydrograph, and the method using average velocity method of S.C.S shows more reasonable results comparatively
 
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µµ´Þ½Ã°£;ClarkÀÇ À¯¿ªÃßÀû¹ý;µî½Ã°£µµ;LaurensonÀÇ µµ´Þ½Ã°£;SCS¹æ¹ý;Trave ltime;Clark¡Çs UH;Isochrones;GIS;Laurenson method;SCS method;GIS;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.6, 2003³â, pp.925-936
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922122492)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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