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http://dx.doi.org/10.3741/JKWRA.2003.36.6.1083

Analysis of Drying Streams Characteristics Using a GIS  

Jung, Kwan-Sue (충남대학교 토목공학과)
Cho, Hyo-Seob (일신하이텍 기술연구소)
Kim, Jeong-Yup (충남대학교 대학원 토목공학과)
Shim, Myung-Pil (인하대학교 토목공학과)
Publication Information
Journal of Korea Water Resources Association / v.36, no.6, 2003 , pp. 1083-1095 More about this Journal
Abstract
The analysis of drying stream characteristics for about 500 streams from field survey data with 19 items has been fulfilled. Also, a study area has been determined, and criteria of estimation has been established : criteria such as, available hydrological data, the size of stream lengths and basin areas and regional characteristics. Then they are applied to designated study areas. The final selected study areas are 8 basins. The analysis of drying stream characteristics using a GIS has been applied to 5 basins in which spacial data is comparatively implemented among the final 8 target catchments. The spacial analysis using a GIS is applied to stream slopes for upstream and downstram at weirs, overlaying the map of buffering stream networks and ground water pump stations map, sinuosity of drying stream. As a result of drying streams survey analysis, drying stream characteristics are followed; levee types are earth and natural, cross sectional shapes are trapezoid, stream bed materials are gravels and sands, facilities in streams are weirs. As a result of GIS analysis, stream slopes are comparatively larger downstream than upstream close to weirs. There are arranged ground water pump stations less than 500m from stream networks. Also the average of sinuosity for each drying stream is in the range of 1.229∼1.475, comparatively a serious.
Keywords
GIS; Weir; Sinuosity; Stream Slope; Drying Stream Characteristics; GIS;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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