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Çѱ¹¼öÀÚ¿øÇÐȸ / v.34, no.6, 2001³â, pp.673-685
´Ù¾çÇÑ ½Ã°è¿­À» ÀÌ¿ëÇÑ °¡¹³ÁöÇ¥ »êÁ¤
( Estimation on Drought Indicator Using Various Time Series )
ÀÓ°æÁø;½É¸íÇÊ;¼º±â¿ø;ÀÌÇöÀç; Çѱ¹Á¾ÇÕ±â¼ú°³¹ß°ø»ç;ÀÎÇÏ´ëÇб³ Åä¸ñ°øÇаú;°Ç±¹´ëÇб³ Åä¸ñ°øÇаú;Çѱ¹Á¾ÇÕ±â¼ú°³¹ß°ø»ç;
 
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º» ¿¬±¸¿¡¼­´Â ¼öÀÚ¿ø °èȹ ¹× °¡¹³°ü¸®¸¦ À§ÇØ ºñ±³Àû ³ÐÀº Áö¿ª¿¡ Ȱ¿ëÇÒ ¼ö ÀÖ´Â °¡¹³ÁöÇ¥ »êÁ¤À» À§ÇØ °­¿ì·®, ÀÏÃÖ°í±â¿Â, À¯Ãâ·®, Palmer Áö¼ö µîÀÇ ´Ù¾çÇÑ °è¿­ÀÇ ÀڷḦ ÀÌ¿ëÇÏ¿´´Ù. °¡¹³°¨½Ã¸¦ À§ÇØ °¡¹³´Ü°è¸¦ °¡¹³ÁÖÀǺ¸, °¡¹³°æº¸, ºñ»ó°¡¹³À¸·Î ±¸ºÐÇÏ¿´À¸¸ç, °¢°¢ °¡¹³´Ü°è´Â »êÁ¤µÈ Áö¼öÀÇ 25%, 10%, 5%¿¡ ´ëÇÑ ºñÃʰúÈ®·üÄ¡·Î Á¤ÀÇÇÏ¿´´Ù. ¶ÇÇÑ °¡¹³Áö¼öµéÀÌ °ú°ÅÀÇ °¡¹³À» ¾ó¸¶³ª Àß Ç¥ÇöÇϰí ÀÖÀ¸¸ç, °¡¹³°¨½Ã¸¦ À§ÇÑ °¡¹³ÁöÇ¥·Î Ȱ¿ëÇÒ ¼ö Àִ°¡¸¦ ÆÇ´ÜÇϱâ À§ÇØ °ú°Å °¡¹³À» ÀçÇöÇÏ¿© °¡¹³´Ü°èÀÇ ÀÏÄ¡¼º°ú »ó°ü°ü°è¸¦ ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú 9°³¿ù°ú 12°³¿ù °­¿ì·®ÁöÇ¥¿Í PDSI ÁöÇ¥°¡ ÃÖ´ëÀÇ ÀÏÄ¡¼º°ú »ó°ü°ü°è¸¦ ³ªÅ¸³»¾ú´Ù. ÀÌ·¸°Ô »êÁ¤µÈ °á°ú´Â ´Ù¾çÇÑ °è¿­ÀÇ ½ÇÃøÄ¡¿¡ ±Ù°ÅÇϰí ÀÖÀ¸¸ç, °£´ÜÇÑ °è»ê¿¡ ÀÇÇØ »êÁ¤ µÉ ¼ö Àֱ⠶§¹®¿¡ À¯¿ªÀÇ °¡¹³°¨½Ã½Ã½ºÅÛÀÇ ±¸ÃàÀ» À§ÇÑ ±âÃÊÀÚ·á·Î Ȱ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
In this study, the drought indicator is calculate from the rainfall, daily highest temperature, streamflow and Palmer Drought Severity Index(PDSI) for water plan and drought management in a relatively wide region. Three levels of drought severity, called drought watch, drought warning, and drought emergency, are established for these series which determine exceedance levels. The 25% nonexceedance level is used for drought watch, 10% for drought warning, and 5% for drought emergency to figure how well the drought indicators represent the past-drought and that those can be used for drought monitoring. As a result, 9-month and 12-month precipitation, and PDSI series shows the best consistency and high correlation indicate droughts. Because the results are based on the gauged data and simply calculated, the suggested indices can be used for basic data for drought monitoring system of a basin.
 
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°¡¹³Áö¼ö;°¡¹³;°¡¹³ ÁöÇ¥;°¡¹³ºÐ¼®;Drought index;drought;drought indicator;drought analysis;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.34, no.6, 2001³â, pp.673-685
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200111920877900)
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