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Çѱ¹¼öÀÚ¿øÇÐȸ / v.36, no.2, 2003³â, pp.237-249
¹Ù¶÷¿¡ ÀÇÇÑ ¿ì·®ÀÚ·áÀÇ º¯µ¿¼º ¿¬±¸
( A Study on the Underestimation of the Rainfall Data due to Wind )
¹Ú¹«Á¾;±èÀÀ¼®;±èÁßÈÆ; ÇѼ­´ëÇб³ Åä¸ñ°øÇаú;°í·Á´ëÇб³ ºÎ¼³ ¹æÀç°úÇбâ¼ú¿¬±¸¼¾ÅÍ;°í·Á´ëÇб³ Åä¸ñȯ°æ°øÇаú;
 
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¿ì·®°è¿¡ ´ëÇÑ ¹Ù¶÷ÀÇ ¿µÇâÀº ¿ì·®ÀÇ °¨¼Ò¿Í °­¿ìÀÚ·áÀÇ Àϰü¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡°Ô µÈ´Ù. ÀÌ·¯ÇÑ °­¿ì·®À» º¸Á¤Çϱâ À§Çؼ­´Â °­¿ìÀÇ °¨¼ÒÀ²À» »êÁ¤ ÇÒ ¼ö ÀÖ´Â ¿¬±¸°¡ ÇÊ¿äÇÏ´Ù. ÀÌ·¯ÇÑ, °­¿ìÀÇ °¨¼Ò¿¡ ´ëÇÑ ¿¬±¸´Â °ÅÀÇ ¼öÇàµÇÁö ¾Ê¾ÒÀ¸¸ç, ÀûÀýÇÑ º¸Á¤±â¹ý¿¡ ´ëÇÑ ¿¬±¸´Â ¹ÌÈíÇÑ ½ÇÁ¤ÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â °­¿ìÀÇ ÀÔÀÚ Å©±â¿¡ µû¸¥ ³«Çϼӵµ¸¦ »êÁ¤ ÇÏ¿´´Ù. À̸¦ ÀÌ¿ëÇÏ¿© °­¿ìÀÇ ÀÔÀÚÅ©±â¿¡ µû¶ó °­¿ìÀÇ °¨¼ÒÀ²À» º¸Á¤ÇÒ ¼ö ÀÖ´Â ¸ðÇüÀ» ½ÇÇèÀ» ÅëÇÏ¿© °ËÅäÇÏ¿´´Ù. ½ÇÇè°á°ú °­¿ìÀÇ °¨¼ÒÀ²Àº °­¿ìÀÇ °­µµ¿Í´Â »ó°ü¾ø°í °­¿ìÀÇ ÀÔÀÚÅ©±â¿¡ µû¶ó ¿µÇâÀ» ¹Þ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­ »êÁ¤µÈ °­¿ì°¨¼ÒÀ²Àº ½ÇÇè°á°ú¿Í Àß ÀÏÄ¡Çϰí ÀÖÀ¸¸ç, º¸Á¤°è¼ö·Î »ç¿ë°¡´É ÇÑ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù.
Wind effects on a rain gauge can cause a significant underestimation of rainfall depths and contribute to the inconsistency in rainfall data. To revise the rainfall data requires the study about calculation of deficiency percentages of rain catch. There are few studies which reflect the variation of wind speed. in this study, the raindrop terminal velocity is quantified according to the particle size of rainfall. The model for calculating deficiency percentages of rain catch according to the particle size of rainfall is examined by experimentation. Experimentation shows that deficiency percentages of rain catch have no relationship with rainfall intensity and affected by raindrop diameter. In conclusion, the estimated deficiency percentages of rain catch coincided with the experimental results and can be used as recommended adjustment factors.
 
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dz¼Ó;°­¿ì·®;¿ì·®°è;°¨¼ÒÀ²;wind speed;rainfall;rainfall gauge;deficiency percentages;
 
Çѱ¹¼öÀÚ¿øÇÐȸ³í¹®Áý / v.36, no.2, 2003³â, pp.237-249
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1226-6280
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200311921617987)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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