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http://dx.doi.org/10.3741/JKWRA.2008.41.3.277

Development of a Integrated Indicator System for Evaluating the State of Watershed Management in the Context of River Basin Management Using Factor Analysis  

Kang, Min-Goo (Research Institute for Agriculture and Life Sciences, Seoul National University)
Lee, Kwang-Man (Korea Institute of Water and Environment, Korea Water Resources Corporation(K-WATER))
Ko, Ick-Hwan (Korea Institute of Water and Environment, Korea Water Resources Corporation(K-WATER))
Jeong, Chan-Yong (Hydrological Survey Center, Korea Institute of Construction Technology)
Publication Information
Journal of Korea Water Resources Association / v.41, no.3, 2008 , pp. 277-291 More about this Journal
Abstract
In order to carry out river basin management, it is necessary to evaluate the state of the river basin and make site-specific measures on the basis of management goals and objectives. A river basin is divided into several watersheds, which are composed of several components: water resources, social and economic systems, law and institution, user, land, ecosystems, etc. They are connected among them and form network holistically. In this study, a methodology for evaluating watershed management was developed by consideration of the various features of a watershed system. This methodology employed factor analysis to develop sub-indexes for evaluating water use management, environment and ecosystem management, and flood management in a watershed. To do this, first, the related data were gathered and classified into six groups that are the components of watershed systems. Second, in all sub-indexes, preliminary tests such as KMO (Kaiser-Meyer-Olkin) measure of sampling adequacy and Bartlett's test of sphericity were conducted to check the data's acceptability to factor analysis, respectively. Third, variables related to each sub-index were grouped into three factors by consideration of statistic characteristics, respectively. These factors became indicators and were named, taking into account the relationship and the characteristics of included variables. In order to check the study results, the computed factor loadings of each variable were reviewed, and correlation analysis among factor scores was fulfilled. It was revealed that each factor score of factors in a sub-index was not correlated, and grouping variables by factor analysis was appropriate. And, it was thought that this indicator system would be applied effectively to evaluating the states of watershed management.
Keywords
Watershed; management; River basin management; Evaluation; Indicator system; Factor analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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