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Çѱ¹¼öÀÚ¿øÇÐȸ / v.39, no.9, 2006³â, pp.745-754
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( Analysis of Spatial Distribution of Droughts in Korea through Drought Severity-Duration-frequency Analysis ) |
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º» ¿¬±¸¿¡¼´Â ±¸ÇüÆÞ½º¸ðÇüÀ» ÀÌ¿ëÇÑ °¡¹³½Éµµ-Áö¼Ó±â°£-»ý±âºóµµ ÇØ¼® ¹æ¹ýÀ» Àû¿ëÇÏ¿© Àü±¹ 59°³ ÁöÁ¡¿¡ ´ëÇÑ ºÐ¼®À» ¼öÇàÇϰí, À̸¦ ÅëÇØ ³²ÇÑÀüü °¡¹³½ÉµµÀÇ °ø°£ºÐÆ÷¸¦ Ư¼ºÈÇÏ¿´´Ù. ¸ÕÀú ÀÏÁ¤ÀçÇö±â°£¿¡ ´ëÇØ °¡¹³½Éµµ´Â ´ëüÀûÀ¸·Î ³²ºÎÁö¹æ¿¡¼ Å©°Ô ³ªÅ¸³²À» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. ±¸ÇüÆÞ½ºÀÇ ÁßøÀ» °í·ÁÇÏ´Â °æ¿ì¿Í °í·ÁÇÏÁö ¾Ê´Â °æ¿ì ¸ðµÎ¿¡ ´ëÇØ ÀÌ·¯ÇÑ °æÇâÀº ÀϰüµÇ°Ô ³ªÅ¸³µÀ¸¸ç Áö¼Ó±â°£ÀÌ Áõ°¡ÇÏ´õ¶óµµ ³²ºÎÁö¹æÀÇ °¡¹³ ½Éµµ´Â Ÿ Áö¿ª¿¡ ºñÇØ ¿©ÀüÈ÷ Å« °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸ÀÇ °á°ú´Â °üÃøµÈ °¡¹³ÀÇ ¹ß»ýȽ¼ö ¹× ÃÖ´ë½Éµµ¿Í ºñ±³µÇ¾ú´Âµ¥, À̸¦ ÅëÇØ º» ¿¬±¸¿¡¼ÀÇ ÇØ¼®°á°ú°¡ ¾î´À Á¤µµÀÇ ½Å·Úµµ¸¦ °¡ÁüÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. |
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This study adopted the Rectangular Pulses Poisson Process Model for the drought severity-duration-frequency analysis to characterize the spatial pattern of drought over the Korean peninsula using the rainfall data of the 59 rain gauge stations. First of all, the drought severity in the southern part of the Korean peninsula was found to be generally high for any return period. This result is consistent for both cases with and without considering the overlap probability of rectangular pulses, which is also valid for longer durations. Comparison with those of observed drought frequency and maximum severity also showed that the result in this study has enough reliability. |
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Ű¿öµå |
±¸ÇüÆÞ½º¸ðÇü;°¡¹³Çؼ®;ÀçÇö±â°£;Rectangular pulses Poisson process model;drought analysis;return period; |
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.39, no.9, 2006³â, pp.745-754
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200634741700241)
¾ð¾î : Çѱ¹¾î |
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³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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