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Çѱ¹¼öÀÚ¿øÇÐȸ / v.44, no.8, 2011³â, pp.639-652
°üÃø ÀڷḦ ÀÌ¿ëÇÑ °¡¹³Áö¼öÀÇ Æò°¡
( Evaluation of Drought Indices using the Drought Records )
±è±¤¼·;ÀÌÁØ¿ø; °æºÏ´ëÇб³ °ø°ú´ëÇÐ °ÇÃàÅä¸ñ°øÇкÎ;°æºÏ´ëÇб³ °ÇÃàÅä¸ñ°øÇкÎ;
 
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º» ¿¬±¸¿¡¼­´Â °¡¹³Áö¼öµéÀÇ ÀûÇÕµµ¿Í °¡¹³ÀÇ º¯µ¿Æ¯¼ºÀ» ÆÄ¾ÇÇϱâ À§ÇÏ¿© º¸°í¼­ µî °¢Á¾ ¹®Çå°ú ½Å¹®±â»ç¸¦ ÅëÇØ ¼öÁýÇÑ ½ÇÁ¦ °¡¹³¹ß»ý ±â·ÏÀ» Á¤·®È­Çϰí 1973³âºÎÅÍ 2009³â±îÁö Àü±¹ 69°³ ±â»ó°üÃø¼ÒÀÇ °­¼ö ¹× ±â¿Â ÀڷḦ ÀÌ¿ëÇÏ¿© »êÁ¤ÇÑ ±âÈĺ¯¼ö¿Í °¢Á¾ °¡¹³Áö¼ö¸¦ ÇàÁ¤±¸¿ª º°·Î »êÁ¤ÇÏ¿© ºñ±³ ºÐ¼®ÇÔÀ¸·Î¼­ ±â»óÇÐÀû °¡¹³Áö¼öÀÇ ½ÇÁ¦ °¡¹³¿¡ ´ëÇÑ Ç¥ÇöÁ¤µµ¸¦ Æò°¡ÇÏ¿´´Ù. Æò°¡¸¦ À§ÇÏ¿© ROC °ø°£»óÀÇ °¢ Áö¼öÀÇ À§Ä¡Á¤º¸¸¦ °ËÁ¤Åë°è·®À¸·Î ÀÌ¿ëÇÏ¿´´Ù. ºÐ¼®°á°ú Àü¹ÝÀûÀ¸·Î ºñ±³Àû ´Ü±â°¡¹³ÀÇ Æò°¡¿¡ ÀûÇÕÇÑ SPI3, PDSI, PN, DecilesÀÌ ½ÇÁ¦ °¡¹³¹ß»ý ±â·Ï°ú °¡Àå ³ôÀº »ó°ü¼ºÀ» º¸¿´´Ù. ÇàÁ¤±¸¿ª¿¡ µû¸¥ »êÆ÷Á¤µµ´Â Àü¹ÝÀûÀ¸·Î ºñ±³Àû ³·Àº Áö¿ªÀû ÆíÂ÷¸¦ º¸À̸ç, ±â¿Â°ú Áõ¹ß·®Àº »ó´ëÀûÀ¸·Î ³ôÀº Áö¿ªÀû ÆíÂ÷¸¦ ³ªÅ¸³Â´Ù. º» ¿¬±¸¸¦ ÅëÇØ ¿ì¸®³ª¶ó Àü Áö¿ª °¡¹³ÀÇ ½Ã °ø°£ÀûÀÎ °¡¹³ÀÇ º¯È­µµ¸¦ ÆÄ¾ÇÇÏ°í ½ÇÁ¦ °¡¹³¿¡ ´ëÇÑ °¡¹³Áö¼öÀÇ ¹Ý¿µ Á¤µµ¸¦ ÆÄ¾ÇÇϰí, ´õºÒ¾î ROC ºÐ¼®À» ÅëÇÑ Åë°èÀû °ËÁõ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© °¡¹³Áö¼öÀÇ ÀûÇÕµµ¸¦ ºÐ¼®ÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀ» Á¦½ÃÇÏ¿´´Ù.
In this study, the suitability of drought indices was analyzed using the quantified drought records from official reports, newspapers and drought indices estimated using precipitation and air temperature data of 69 weather stations from 1973 to 2009. Test statistics of the suitability of meteorological drought indices were evaluated using the ROC analysis. Results demonstrated that PN shows the best relationships with drought records. SPI3 and Deciles Distribution Ratio also show good relationships with drought records and their variability according to the administrative divisions is relatively small. Results of the analysis of the spatial and temporal variability of drought and the accuracy of the drought indices can be used to evaluate the accuracy of drought indices in drought monitoring and prediction, and to select the best index in drought management.
 
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°¡¹³;Ç¥Áذ­¼öÁö¼ö;ÆÄ¸Ó°¡¹³Áö¼ö;Æò±ÕÄ¡ºñÀ²;Drought;ROC;SPI;PDSI;PN;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.44, no.8, 2011³â, pp.639-652
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201126235932366)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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