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Chapter
Apr 26, 2012

Estimation of the Reference Evapotranspiration Using Neural Networks Model and Limited Climatic Variables

Publication: World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns

Abstract

The generalized regression neural networks model (GRNNM) embedded genetic algorithm (GA) is developed and applied to estimate the alfalfa reference evapotranspiration (ETr) in rural regions of the north Gyeongsangbuk-do such as Yeongju, Bongwha, and Andong station respectively, South Korea. Since the observed data of ETr using the lysimeters have not existed in this region, the reliable data of ETr will be necessary to prevent crops damages as well as reduce the drought disaster mitigation. The developing processes of the GRNNM-GA consist of the two major parts such as the training and the validation performance respectively. From this study, the reliable data of ETr is constructed and suggested the reference data for irrigation and drainage networks system. It is possible to construct the reference evapotranspiration estimation system (RETES) in rural regions, the north Gyeongsangbuk-do of South Korea.

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Go to World Environmental and Water Resource Congress 2006
World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns
Pages: 1 - 10

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Published online: Apr 26, 2012

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Sungwon Kim, Ph.D. [email protected]
P.E.
Assistant Professor, Department of Railroad and Civil Engineering, Dongyang University, Yeongju, Gyeongsangbuk-do, 750-711, South Korea. E-mail: [email protected]
Hung-Soo Kim, Ph.D. [email protected]
Associate Professor, Department of Civil Engineering, Inha University, Incheon, Gyeonggi-do, 402-751, South Korea. E-mail: [email protected]

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