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Water SA

versión On-line ISSN 0378-4738

Resumen

XUN-GUI, Li; XIA, Wei  y  QIANG, Huang. Comprehensive entropy weight observability-controllability risk analysis and its application to water resource decision-making. Water SA [online]. 2012, vol.38, n.4, pp. 573-580. ISSN 0378-4738.

Decision making for water resource planning is often related to social, economic and environmental factors. There are various methods for making decisions about water resource planning alternatives and measures with various shortcomings. A comprehensive entropy weight observability-controllability risk analysis approach is presented in this study. Computing methods for entropy weight (EW) and subjective weight (SW) are put forward based on information entropy theory and experimental psychology principles, respectively. Comprehensive weight (CW) consisting of EW and SW is determined. The values of observability-controllability risk (R) and gain by comparison (G) are obtained based on the CWs. The quantitative analysis of alternatives and measures is achieved based on Roc and Gbc. A case study on selection of water resource planning alternatives and measures in the Yellow River Basin, China, was performed. Results demonstrate that the approach presented in this study can achieve optimal decision-making results.

Palabras clave : decision making; entropy weight risk analysis; observability-controllability risk; gain by comparison; Yellow River Basin.

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