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Analysis of Morphological Characteristics of Farm Dams in Korea  

Yoo, Chul-Sang (Department of Civil, Environmental and Architectural Engineering, Korea University)
Park, Hyun-Keun (Department of Civil, Environmental and Architectural Engineering, Korea University)
Publication Information
Journal of the Korean Geographical Society / v.42, no.6, 2007 , pp. 940-954 More about this Journal
Abstract
This study was to analyze a total of 18,068 farm reservoirs in Korea with their basic measures, and estimate their average characteristics. These characteristics have also been compared with those of foreign countries. Histograms of seven measures(approval area, beneficial area, watershed area, effective storage, full water area, dam length, and dam height) of reservoirs are made to characterize their distributions and to apply the Pareto analysis with the power law to evaluate their inequalities. The histogram analysis shows that the measures of dam(channel cross-section) characteristics follow the log-normal distributions, on the other hand, those of the basin characteristics the exponential-type distributions. Pareto analysis was done for the five measures of having exponential distribution. The Pareto exponents estimated are 0.38 for the approval area, 0.42 for the beneficial area, -0.19 for the effective storage, 0.30 for the watershed area, and 0.22 for the full water area, so the inequality of the beneficial area is the highest and that of the effective storage is the lowest. Analysis of morphology index versus watershed area shows that most reservoirs are categorized into deep or normal ones. These characteristics are also found to be similar to those of foreign countries.
Keywords
farm reservoir; distribution characteristics; Pareto analysis; morphological characteristics;
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