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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.4, 1997³â, pp.317-326
PlamerÀÇ ¹æ¹ýÀ» ÀÌ¿ëÇÑ °¡¹³ÀÇ ºÐ¼®
( An Analysis of Drought Using the Palmer's Method )
À±¿ë³²;¾ÈÀçÇö;À̵¿·ü; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú ´ëÇпø ¹Ú»ç°úÁ¤, Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼öÀÚ¿ø¿¬±¸½Ç;;
 
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º» ¿¬±¸¿¡¼­´Â ¿ì¸®³ª¶ó Àü¿ª¿¡¼­ °¡¹³ÀÇ ½Ã¡¤°ø°£ÀûÀΠƯ¼ºÀ» ºÐ¼®Çϱâ À§ÇÏ¿© °¡¹³ÀÇ Áö¼ö¸¦ Á¤·®ÀûÀ¸·Î ³ªÅ¸³¾ ¼ö ÀÖ´Â PalmerÀÇ ¹æ¹ýÀ» »ç¿ëÇÏ¿´´Ù. ¶ÇÇÑ ¿ì¸®³ª¶óÀÇ Áö¿ªÀûÀΠƯ¼ºÀ» ¹Ý¿µÇϱâ À§ÇÏ¿© PalmerÀÇ °¡¹³Áö¼ö ¹× ±âÈÄÆ¯¼ºÀÎÀÚÀÇ »êÁ¤°ø½ÄÀ» ±¹³» ±â»óÀڷḦ ÀÌ¿ëÇÏ¿© ¼öÁ¤ ¹× Àû¿ëÇÏ¿´´Ù. À̸¦ ÅëÇØ °¡¹³ÀÇ °¡Àå Å« ¿øÀÎÀÌ µÇ´Â ¼ö¹®±â»óÇÐÀû ÀÎÀÚµéÀÎ °­¼ö·®, Áõ¹ß»ê·® µîÀ» ¿ù ¼öºÐ¼öÁö¸ðÇü¿¡ Àû¿ëÇÏ¿© Áö¿ªº°·Î °è¼Ó±â°£º° °¡¹³Áö¼ö¸¦ »êÁ¤ÇÏ¿´´Ù. °¢°¢ÀÇ ÁöÁ¡¿¡¼­ ±¸ÇÑ °¡¹³Áö¼ö¸¦ °­¿ì·® ÀڷḦ »ç¿ëÇÑ ºóµµºÐ¼®À» ÅëÇØ ¼±Á¤µÈ ÃÑ 5°³ÀÇ ÁÖ¿ä°¡¹³±â°£¿¡ ´ëÇÏ¿© ºÐ¼®ÇÏ¿´À¸¸ç, Àü±¹ÀûÀÎ °¡¹³Áö¼öµµ¸¦ ÀÛ¼ºÇÏ¿´´Ù. À̰ÍÀ» ÅëÇØ ÁÖ¿ä°¡¹³±â°£ÀÇ »ó´ëÀû °¡¹³½Éµµ ¹× Àü±¹ÀûÀÎ °¡¹³ºÐÆ÷»óȲÀ» ºÐ¼®ÇÏ¿© ³²ºÎÁö¹æÀÌ °¡¹³¿ì½É Áö¿ªÀ̸ç, 1994³â°ú 1995³â¿¡ °ÉÃÄ ¹ß»ýÇß´ø °¡¹³ÀÌ °ú°Å ¾î´À °¡¹³º¸´Ùµµ ½ÉÇßÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. ÀÌ»óÀÇ °á°ú·ÎºÎÅÍ PalmerÀÇ °¡¹³Áö¼ö »êÁ¤¹æ¹ýÀº °¡¹³À» Á¤·®ÀûÀ¸·Î ³ªÅ¸³»´Âµ¥ À¯È¿ÇÑ ¹æ¹ýÀÓÀ» ¾Ë ¼ö ÀÖ¾ú°í, ±â»ó ¹× °­¿ìÀÇ ÁßÀå±â ¿¹ÃøÀÌ °¡´ÉÇØÁú °æ¿ì¿¡´Â °¡¹³¿¹º¸ ¼ö´ÜÀ¸·ÎÀÇ È°¿ë°¡´É¼ºÀÌ Å¬ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
The Palmer Drought Severity Index has been ectensively used to quantitatively evaluate the drought severity at a location for both agricultural and water resources management purposes. In the present study the Palmer-type formula for drought index is drived for the whole country by analyzing the monthly rainfall and meteorological data at nine stations with a long period of records. The formula is then used to compute the monthly drought severity index at sixty-eight rainfall stations located throughout the country. For the past five significant drought periods the spatial variation of each drought is shown as a nationwide drought index map of a specified duration from which the relative severity of drought throughout the country is identifiable for a specific drought period. A comparative study is made to evaluate the relative severity of the significant droughts occurred in Korea since 1960's. It turned out that '94-'95 drought was one of the worst both in the areal extent and drought severity. It is found that the Palmer-type formula is a very useful tool in quantitatively evaluating the severity of drought over an area as well as at a point. When rainfall and meteorological forecast become feasible on a long-term basis the method could also be utilized as a tool for drought forecasting.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.4, 1997³â, pp.317-326
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100273)
¾ð¾î : Çѱ¹¾î
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