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Morphological Classification of Unit Basin based on Soil & Geo-morphological Characteristics in the yeongsangang Basin  

Sonn, Yeon-Kyu (National Institute of Agricultural Science and Technology)
Hyun, Byung-Keun (National Institute of Agricultural Science and Technology)
Jung, Suk-Jae (National Institute of Agricultural Science and Technology)
Hur, Seong-Oh (National Institute of Agricultural Science and Technology)
Jung, Kang-Ho (National Institute of Agricultural Science and Technology)
Seo, Myung-Chul (National Institute of Agricultural Science and Technology)
Ha, Sang-Keun (National Institute of Agricultural Science and Technology)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.40, no.4, 2007 , pp. 262-268 More about this Journal
Abstract
To characterize morphological classification of the basins, four major basin characteristics of the unit basins, including sinuosity, ratio of forest, ratio of flat area, and tributary existence were selected for cluster analysis. The analysis was carried out using soil map, topographic map, water course map, and basin map of the fifty unit basins in the Yeongsangang Basin. The unit basins could be categorized to five basin groups. The fitness by the Mantel test showed good fit of which r was 0.830. These grouping based on comprehensive soil and topographic characteristics provides best management practices, water quality management according to pollutants, increased water related model application and reasonable availability of water management. For agricultural management of water resources and conservation of water quality from agricultural non-point pollutants, therefore, comprehensive systematic classification of soil characteristics on unit basin might be an useful tool.
Keywords
Unit basin; Cluster analysis; Mantel test;
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