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Çѱ¹¼öÀÚ¿øÇÐȸ / v.41, no.7, 2008³â, pp.747-759
½Ã°£Àû ±ºÁýƯ¼ºÀ» °í·ÁÇÑ °­¿ì¸ðÀǸðÇüÀÇ ¼±Á¤
( A Selection of the Point Rainfall Process Model Considered on Temporal Clustering Characteristics )
±è±â¿í;À¯Ã¶»ó; °í·Á´ëÇб³ °ø°ú´ëÇÐ °ÇÃà.»çȸȯ°æ°øÇаú;°í·Á´ëÇб³ °ø°ú´ëÇÐ °ÇÃà.»çȸȯ°æ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â °üÃø°­¿ìÀÇ Åë°èƯ¼º ¹× ¹ß»ýƯ¼ºÀ» °¡Àå ÀûÀýÇÏ°Ô ÀçÇöÇØ ÁÖ´Â °­¿ì¸ðÇüÀ» ¼±Á¤ÇϰíÀÚ ÇÏ¿´´Ù. °­¿ì¸ðÇüÀ¸·Î Poisson°úÁ¤¿¡ ±Ù°ÅÇÑ Á¡°úÁ¤¸ðÇüÀÎ RPPM, NS-RPPM, modified NS-RPPMÀ» °í·ÁÇÏ¿© ¸ðÀÇÀÚ·á¿¡ ´ëÇÑ Åë°èºÐ¼®À» ¼öÇàÇÏ¿´´Ù. ±× °á°ú, NS-RPPM°ú modified NS-RPPMÀ» ÀÌ¿ëÇÏ¿© ¸ðÀÇµÈ ÀÚ·á°¡ ¿©·¯ Áý¼º½Ã°£ÀÇ Åë°èÄ¡¸¦ ÀûÀýÇÏ°Ô ÀçÇöÇÏ¿´´Ù. ¶ÇÇÑ modified NS-RPPMÀ» ÀÌ¿ëÇÏ¿© ¸ðÀÇµÈ ÀÚ·á°¡ °üÃøÀÚ·á¿Í °¡Àå À¯»çÇÑ ¹ß»ýƯ¼ºÀ» °¡Áö´Â °ÍÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ƯÈ÷, È«¼ö, »ê»çÅ µî ÀÚ¿¬ÀçÇØÀÇ ¹ß»ý¿¡ Å« ¿µÇâÀ» ÁÖ´Â Å« °­µµ¸¦ °¡Áö´Â °­¿ì¸¦ °üÃøÄ¡¿Í °¡Àå À¯»çÇÏ°Ô ÀçÇöÇÏ¿´´Ù. ¸ðÀÇµÈ °­¿ì»ç»óÀÇ ÃÑ °­¿ì·®, °­¿ì±â°£, °­¿ì»ç»ó °£ÀÇ °£°ÝÀ» °üÃø°­¿ì¿Í ºñ±³Çغ» °á°ú ¶ÇÇÑ modified NS-RPPMÀÌ °¡Àå ÁÁÀº °á°ú¸¦ º¸¿´´Ù. º» ¿¬±¸ÀÇ °á°ú¸¦ Á¾ÇÕÇØ º¼ ¶§, °­¿ìÀÇ Àå±â ¸ðÀǸ¦ À§ÇØ modified NS-RPPMÀ» ÀÌ¿ëÇÏ´Â °ÍÀÌ °¡Àå ÀûÀýÇÒ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
This study, a point rainfall process model, which could represent appropriately observed rainfall data, was to select. The point process models-rectangular pulses Poisson process model(RPPM), Neyman-Scott rectangular pulses Poisson process model(NS-RPPM), and modified Neyman-Scott rectangular pulses Poisson process model(modified NS-RPPM)-all based on Poisson process were considered as possible rainfall models, whose statistical analyses were performed with their simulation rainfall data. As results, simulated rainfall data using the NS-RPPM and the modified NS-RPPM represent appropriately statistics of observed data for several aggregation levels. Also, simulated rainfall data using the modified NS-RPPM shows similar characteristics of rainfall occurrence to the observed rainfall data. Especially, the modified NS-RPPM reproduces high-intensity rainfall events that contribute largely to occurrence of natural harzard such as flood and landslides most similarly. Also, the modified NS-RPPM shows the best results with respect to the total rainfall amount, duration, and inter-event time. In conclusions, the modified NS-RPPM was found to be the most appropriate model for the long-term simulation of rainfall.
 
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°­¿ì¸ðÇü;Poisson°úÁ¤;Point rainfall process model;Poisson process;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.41, no.7, 2008³â, pp.747-759
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200824550465084)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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