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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.3, 1996³â, pp.129-142
ºÎÁ¤È®ÇÑ ÀÎÀÚ¿Í °ü°èµÈ À¯»ç·® »êÁ¤ ¿À·ù¿¡ ´ëÇÑ °ËÁõ
( An Examination of Sediment Discharge Computation Errors Related to Imprecise Factors )
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º» ¿¬±¸´Â ÀÏÁ¡ ÃøÁ¤À» Åä´ë·Î ¿¬Á÷ À¯»ç ³óµµ °è»ê½Ã ¿¹»óµÇ´Â ÀÔ·Â ÀÚ·áÀÇ ºÎÁ¤È®ÇÔ ¶§¹®¿¡ ¹ß»ýÇÏ´Â ¿À·ùÀÇ Å©±â¸¦ ¿¬±¸ÇÏ¿´´Ù. ¿À·ù °¡´É¼ºÀÌ ÀÖ´Â ¿øÀÎÀΠäÃë±âÀÇ À§Ä¡, ¼ö¸é ¹× ÇÏ»ó°íµµ, ħ°­ ¼Óµµ, $eta$ ¿Í$kappa$ °ªÀº ¹Ì±¹ ¸®¿À±×¶õµ¥ °­À¸·ÎºÎÅÍ ¾ò´Â ÀڷḦ »ç¿ëÇÏ¿© ºñ±³, °ËÁõµÇ¾ú´Ù. ±× °á°ú ÀÏÁ¡ ºÎÀ¯»ç äÃ븦 Åä´ë·Î °£ÆíÇÑ À¯»ç ³óµµ½Ä°ú ¼Óµµ ºÐÆ÷½ÄÀ» »ç¿ëÇÏ¿© Æò±Õ À¯»ç ³óµµ¸¦ »êÁ¤ÇÒ ¼ö ÀÖ¾ú´Ù. ÀÌ °è»ê Áß¿¡¼­ °¡Àå ºÒÈ®½ÇÇÑ Á¡Àº ºÎÀ¯»çÀÇ ¿¬Á÷ À¯»ç ºÐÆ÷½Ä¿¡¼­ Rouse¼öÀÎ z¿´´Ù.
This study investigates the magnitude of errors that can be expected in integrating sediment concentration in a vertical, basede on a single-point measurement, because of errors in input data. Potential error sources, including sampler location, water surface elevation, bed elevation, fall velocity, $eta$ value, and $kappa$ value were comparatively examined using data from a special study on the Rio Grande Conveyance channel in New Mexico. It is concluded that simple forms of equations for the vertical distribution of velocity and sediment concentration based on a single-point field sample of suspended sediment. The most uncertain point in the computation is related to the Rouse number z in the equation for the vertical concentration distribution of suspended sediment.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.3, 1996³â, pp.129-142
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920097256)
¾ð¾î : ¿µ¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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