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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.6, 2003³â, pp.949-960
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( The Analysis of Drainage Time and Resolution of the Quasi-dynamic and Dynamic Wetness Index )
±è»óÇö;ÇÑÁö¿µ;À̰¡¿µ;±è³²¿ø; ºÎ»ê´ëÇб³ °ø°ú´ëÇРȯ°æ°øÇаú;ºÎ»ê´ëÇб³ ȯ°æ°øÇаú;ºÎ»ê´ëÇб³ ȯ°æ°øÇаú;Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø;
 
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The resolution issue of wetness index with relaxation of the steady state assumption is explored on the platform of Digital Elevation Model (DEM). The variabilities of the quasi-dynamic wetness index and the dynamic wetness index are discussed on the base of the spatial and statistical aspects depending upon resolutions of DEM and the drainage time. The organization patterns of the wetness index can be observed upon various drainage times and pixel size. The transient behaviour of wetness patterns of the Sulmachun watershed are shown in the relatively short drainage time. The statistical analysis of the quasi-dynamic and dynamic wetness analysis provide the convergence of analysis results to the steady state characteristics later than 10,000 hours drainage time. The probability density functions of the quasi-dynamic and the dynamic wetness index shows the existence of the threshold pixel size of DEM which provide stability and consistency in the computation result of these two wetness index.
 
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¹Ýµ¿·ÂÇÐÀû ½ÀÀ±Áö¼ö;µ¿·ÂÇÐÀû ½ÀÀ±Áö¼ö;ÇØ»óµµ ¹®Á¦;¹è¼ö½Ã°£;the quasi-dynamic wetness index;the dynamic wetness index;resolution issue;drainage time;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.6, 2003³â, pp.949-960
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311922122512)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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