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Çѱ¹¼öÀÚ¿øÇÐȸ / v.27, no.3, 1994³â, pp.71-82
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¼öÀÚ¿ø °èȹÀ» À§ÇÑ °ú°Å °¼ö·®ÀÚ·áÀÇ ºÐ¼®
( An Analysis of Historical Precipitation data for Water Resources Planning ) |
| À̵¿·ü;È«ÀÏÇ¥; Á¤È¸¿ø : Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¿¬±¸¿ø;Á¤È¸¿ø : Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¼±ÀÓ¿¬±¸¿ø, Á¤È¸¿ø : Çѱ¹°Ç¼³±â¼ú¿¬±¸¿ø ¿¬±¸À§¿ø;
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| ¼öÀÚ¿ø °èȹÀ» À§ÇÏ¿© ±âº»ÀûÀ¸·Î ÇÊ¿äÇÑ °ú°Å °¼ö·®ÀÚ·áÀÇ Åë°èÀû Ư¼º, ¿ª³â(calendar year)°ú ¼ö¹®³â(water year)ÀÇ ¿¬°¼ö·® °ü°è, ±â°£º° ÃѰ¼ö·®ÀÇ ºóµµ µîÀ» Àå±â°£ °ú°Å °¼ö·®À» ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ ¿ì¸®³ª¶óÀÇ ¼öÀÚ¿ø °èȹ¿¡ ¸¹ÀÌ ÀÌ¿ëÇØ ¿Ô´ø 1967-1968³â Çѹ߱ⰣÀÇ °¼ö·®À» ºÐ¼®ÇÏ¿´´Ù. ´ë»óÀ¯¿ªÀº ÇѰ, ³«µ¿°, ±Ý°, ¼¶Áø°, ¿µ»ê° À¯¿ªÀ¸·Î, ±â»óû 65°³ ¿ì·®°üÃø¼ÒÀÇ 1905-1968³â Çѹ߱ⰣÀÇ °¼ö·®À» ºÐ¼®ÇÏ¿´´Ù. ´ë»óÀ¯¿ªÀº ÇѰ, ³«µ¿°, ±Ý°, ¼¶Áø°, ¿µ»ê° À¯¿ªÀ¸·Î, ±â»óû 65°³ ¿ì·®°üÃø¼ÒÀÇ 1905-1991³â ±â°£ ÀڷḦ ÀÌ¿ëÇÏ¿´À¸¸ç, Thiessen °¡Áß¹ýÀ¸·Î À¯¿ªÆò±Õ°¼ö·®À» »êÁ¤ÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. º» ¿¬±¸ÀÇ °á°ú¿¡¼ ¿ì¸®³ª¶óÀÇ ¿¬° ¼ö·®Àº ÀüüÀûÀ¸·Î Áõ°¡ÇÏ´Â °æÇâÀÌ ÀÖ¾úÀ¸³ª Åë°èÀû °ËÁ¤°á°ú ±× º¯µ¿·®ÀÇ À¯ÀǼºÀÌ ¾ø¾ú´Ù. ¿ª³â°ú ¼ö¹®³âÀÇ ¿¬°¼ö·® °ü°è½ÄÀ» Á¦½ÃÇÏ¿´À¸¸ç, µÎ ±â°£ÀÇ ¿¬°¼ö·®Àº °ÅÀÇ Â÷À̰¡ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. 3, 6, 9 ±×¸®°í 12°³¿ù ±â°£¿¡ µû¸¥ ÃѰ¼ö·®ÀÇ ¿¬ ÃÖÀúÄ¡°è¿À» ÀÛ¼ºÇÏ¿´°í, 2º¯¼ö ´ë¼öÁ¤±ÔºÐÆ÷¸¦ ÀÌ¿ëÇÏ¿© °¢ ±â°£º° ºóµµ°¼ö·®À» Á¦½ÃÇÏ¿´´Ù. 1967-1968³â °¿ìºÐ¼®ÀÇ ±âÁØÀ¸·Î º¼ ¶§, ´ï µî¿¡ ÀÇÇÑ ¼öÀÚ¿ø °³¹ßÀÌ ¾ÊµÈ ÀÚ¿¬ÇÏõ À¯¿ª¿¡¼ °Ç±â(10-5¿ù) ¶Ç´Â ¿ì±â(6-9¿ù)ÀÇ ÃѰ¼ö·®ÀÌ °ú°Å Æò±Õ¼ö·®ÀÇ ¾à 75%Á¤µµ¸¦ ±â·ÏÇϸé Çѹ߸¦ ÃÊ·¡Çϰí, ¾à 60% Á¤µµÀÇ °¼ö·®ÀÌ¸é ½ÉÇÑ ÇѹßÀ» ÃÊ·¡ÇÑ´Ù°í ÇÒ ¼ö ÀÖ´Ù. |
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| A statistical characteristics, relations of calendar and water year, and frequencies of precipitaion which are necessary for water resources planning were analyzed with long historical data(1905-1991 years). And the analysis of precipitation of the drought periods in 1967-1968 years was carried out. The study basins are the five major rivers in Korea. As a results of this study, annual precipitation shows an increasing trend but its variation has no statistical significance. The rellations of calendar and water year precipitation is presented, it shows that there are little difference of the total precipitation between them. The annual minimum series of total precipitation for the periods of 3, 6, 9, and 12 months by water year are constructed, and frequency precipitation for each periods using 2-parameter lognormal distribution is presented. The analysis of the precipitation in 1967-1968 years shows in a natural river basins that it would be a moderate drought, if dry seasons(Oct-May) or wet seasons(Jun-Sep) has 75 percents of historical mean precipitation of the same periods. And if it has less than 60 percents of historical mean precipitation, it would be a severe drought. |
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.27, no.3, 1994³â, pp.71-82
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199411920095040)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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