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Çѱ¹¼öÀÚ¿øÇÐȸ / v.30, no.1, 1997³â, pp.55-62
L-Moment¹ýÀ» ÀÌ¿ëÇÑ ¿ù °­¿ì·® ÀÚ·áÀÇ Áö¿ª°¡¹³ºóµµ ÇØ¼®
( Regional Drought Frequency Analysis of Monthly Rainfall Data by the Method of L-Moments )
À±¿ë³²;¹Ú¹«Á¾; °í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;(ÁÖ) ´ë¿ì ¼öÀÚ¿ø°³¹ßÆÀ;
 
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Àü±¹ÀûÀÎ °¡¹³Æ¯¼ºÀ» Á¶»çÇϰí '94-'95 °¡¹³ÀÇ ½Éµµ¸¦ ±â¿ÕÀÇ ÁÖ¿ä °¡¹³°ú ºñ±³Æò°¡Çϱâ À§ÇÏ¿© Àü±¹ÀÇ 47°³ ¼ÒÀ¯¿ªÀ¸·Î ºÐÇÒÇÑ ÈÄ °­¿ì·®°è¿­·ÎºÎÅÍ ÀÛ¼ºµÈ °¡¹³¿ì·®°è¿­ÀÇ Áö¿ªºóµµºÐ¼®À» ½Ç½ÃÇÏ¿´´Ù. L-¸ð¸àÆ®¹ýÀ» »ç¿ëÇÏ¿© ÀûÁ¤È®·üºÐÆ÷ÀÇ ¸Å°³ º¯¼ö¸¦ °áÁ¤ÇÏ¿´À¸¸ç, °­¿ìÁö¼Ó±â°£º°, ÀçÇö±â°£º° °¡¹³¿ì·®À» »êÁ¤ÇÏ¿© Áö¼Ó±â°£º° È®·ü°¡¹³¿ì·®µµ¸¦ ÀÛ¼ºÇÏ¿´´Ù. °­¿ìÁö¼Ó±â°£-ÀçÇö±â°£-°¡¹³¿ì·® °ü°è¸¦ °í·ÁÇÏ¿© '94-'95 °¡¹³ÀÇ ½Éµµ¿Í Áö¿ªÀû ¹üÀ§¸¦ ±â¿ÕÀÇ ÁÖ¿ä°¡¹³°ú ºñ±³Æò°¡ÇÏ¿´´Ù. º» ¿¬±¸°á°ú¸¦ °í·ÁÇÏ¿© ÇöÇà À̼ö¾ÈÀüµµ¸¦ Æò°¡ÇÏ°í ¾ÈÀüµµ ±âÁØÀÇ »óÇâÁ¶Á¤À» Á¦¾ÈÇÏ¿´´Ù.
To quantitatively investigate the nationwide drought characteristics and to comparatively evaluate the 1994-1995 drought with several past droughts of significant magnitude regional frequency analysis is made for the meteorological stations in each of the 47 subbasins covering the whole nation. With monthly precipitation data for the period of records at the stations in each subbasin low precipitation data series of various durations are formulated with the running totals of monthly data and fitted to probability distributions. The method of L-method of L-moments is used to determine the unbiased parameters of each distribution, and using the best-fit distribution for each subbasin the low precipitations of various durations with return periods of 5, 10, 20, 30, and 50 years are estimated. The drought frequency maps are drawn with the low drought frequency analysis the drought of 1994-1995 is evaluated in its severity and areal extent in comparison with four other past drought of significance. The current practice of safety standards for the design of impounding facilities is also evaluated with reference to the recurrence interval of the severe drought, and a recommendation is made for the future design standard.
 
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Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.30, no.1, 1997³â, pp.55-62
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199711920100035)
¾ð¾î : Çѱ¹¾î
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