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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.2, 2003³â, pp.173-181
¿ì·®°èÀÇ ¹Ðµµ ¹× °ø°£ºÐÆ÷ °ËÅä: ³²ÇѰ­ À¯¿ªÀ» Áß½ÉÀ¸·Î
( Evaluation of Raingauge Density and Spatial Distribution: A Case Study for Nam Han River Basin )
À¯Ã¶»ó;±èÀιè;·ù¼Ò¶ó; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ ´ëÇпø ȯ°æ°øÇаú;°í·Á´ëÇб³ ´ëÇпø ȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â °­¿ì°¡ °ø°£ÀûÀ¸·Î ±ÕÁúÇÏ¸ç ¾Æ¿ï·¯ ±× °ø°£»ó°ü±¸Á¶µµ Áö¼öÇÔ¼ö¸¦ µû¸¥´Ù°í °¡Á¤ÇÏ¿© ³²ÇѰ­ À¯¿ªÀÇ °­¿ì°üÃø¸ÁÀ» Æò°¡ÇÏ¿´°í ¾Æ¿ï·¯ WMOÀÇ ±âÁذú ºñ±³ÇÏ¿´´Ù. ±× °á°ú¸¦ Á¤¸®ÇÏ¸é ´ÙÀ½°ú °°´Ù. (1) ³²ÇѰ­À¯¿ªÀº WMOÀÇ ±âÁØÀ¸·Î º¼ ¶§ »êÁöµµ ÆòÁöµµ ¾Æ´Ñ Áß°£Àû Ư¼ºÀ» ³ªÅ¸³½´Ù. ±×·¯³ª ³²ÇѰ­ »ó·ùºÎ¿¡¼­ °üÃøµÈ°­¿ìÀÇ °ø°£»ó°ü°Å¸®´Â ³²ÇѰ­ ÇÏ·ùºÎ¿¡¼­ °üÃøµÈ °­¿ìÀÇ °ø°£»ó°ü°Å¸®¿¡ ºñÇØ ª°Ô ³ªÅ¸³ª¸ç µû¶ó¼­ »ó·ùºÎ¿Í ÇÏ·ùºÎ´Â ±× °­¿ìƯ¼ºÀÌ ±¸º°µÈ´Ù. (2) ³²ÇѰ­ À¯¿ªÀÇ °­¿ì°üÃø¸ÁÀ» Æò°¡ÇÏ´Â ±âÁØÀº ´ë·« »óÀ§ 50% Á¤µµ¸¦ ´ëÇ¥ÇÏ´Â »ó°ü°Å¸® ¼öÁØÀÌ µÇ¾î¾ß ÇÒ °ÍÀ¸·Î º¸À̸ç ÀÌ °æ¿ì ÀûÀýÇÑ ¿ì·®°è »çÀÌÀÇ °Å¸®´Â »ó·ùºÎ¿Í ÇÏ·ùºÎ °¢°¢ 18.2km¿Í 21.1km·Î ÃßÁ¤µÈ´Ù. ´Ü¼øÈ÷ °­¿ì°èÀÇ ¹Ðµµ¸¦ Æò°¡ÇÒ ¶§ ³²ÇѰ­ÀÇ °æ¿ì´Â WMOÀÇ »êÁö±âÁØÀ» ÃʰúÇÏ´Â ¼öÁØÀÌ´Ù. (3) ³²ÇѰ­ À¯¿ªÀÇ ¿ì·®°è ºÐÆ÷¸¦ °ËÅäÇÑ °á°ú, ƯÈ÷ WMOÀÇ ¿Â´ëÁö¿ª »êÁö±âÁØÀ» Àû¿ëÇÑ °á°ú ¿ì¶û°èÀÇ °ø°£ºÐÆ÷°¡ ÀûÀýÇÏÁö ¾ÊÀ½À» ÆÄ¾ÇÇÒ ¼ö ÀÖ¾ú´Ù. ±×·¯³ª º» ¿¬±¸¿¡¼­ Á¦¾ÈÇÏ´Â »óÀ§ 50% Á¤µµ¸¦ ´ëÇ¥ÇÏ´Â »ó°ü°Å¸®¸¦ ÀÌ¿ëÇÏ´Â °æ¿ì¿¡´Â ´ë·« 5 - 6 ÁöÁ¡ Á¤µµÀÇ ¿ì·®°è ½Å¼³ÀÌ ÇÊ¿äÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
This study has evaluated the raingauge network of Nam-Han River Basin by assuming that the rainfall field is homogeneous in space and its spatial correlation structure is exponential. The results of the study was compared with the standard of WMO. Summarizing the results are as follows: (1) The Nam-Han River Basin is not the mountain area, nor the plain area of the WMO standard. However, the correlation length of the downstream part is longer than that of the upstream part, enough to differentiate the rainfall fields in both areas. (2) It seems that the standard for the evaluation of the raingauge network of Nam-Han River Basin should be decided to represent upper 50% of correlations derived, when the maximum intervals between neighboring gauges are estimated to be 18.2km for the upstream area and 21.1km for the downstream area. Simply evaluating the raingauge density, the Nam-Han River Basin has enough raingauges exceeding the WMO standard for the mountain area in the temperate region. (3) Evaluation of the spatial distribution of raingauges in the Nam-Han River Basin shows that its spatial distribution Is not in a proper level, especially when applying the WMO standard for the mountain area in the temperate region. However, when applying the new standard proposed in this study, only five to six more raingauges are required to be added.
 
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¿ì·®°è ¹Ðµµ;°ø°£ºÐÆ÷;»ó°ü°Å¸®;Raingauge density;spatial distribution;correlation length;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.2, 2003³â, pp.173-181
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921617936)
¾ð¾î : Çѱ¹¾î
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