Selection of appropriate empirical reference evapotranspiration (ETo) estimation models is very important for the management of agriculture, water resources, and environment. Statistical metrics generally used for performance assessment of empirical ETo models, on a station level, often give contradictory results, which make the ranking of methods a challenging task. Besides, the ranking of ETo estimation methods for a given study area based on the rank at different stations is also a difficult task. Compromise programming and group decision-making methods have been proposed in this study for the ranking of 31 empirical ETo models for Peninsular Malaysia based on four standard statistical metrics. The result revealed the Penman-Monteith as the most suitable method of estimation of ETo, followed by radiation-based Priestley and Taylor and the mass transfer-based Dalton and Meyer methods. Among the temperature-based methods, Ivanov was found the best. The methodology suggested in this study can be adopted in any other region for an easy but robust evaluation of empirical ETo models.
1.Univ Teknol Malaysia, Fac Engn, Sch Civil Engn, Johor Baharu 81310, Malaysia 2.AASTMT, Fac Engn & Technol, Cairo 2033, Egypt 3.Seoul Natl Univ Sci & Technol, Fac Civil Engn, 232 Gongneung Ro, Seoul 01811, South Korea
Recommended Citation:
Muhammad, Mohd Khairul Idlan,Nashwan, Mohamed Salem,Shahid, Shamsuddin,et al. Evaluation of Empirical Reference Evapotranspiration Models Using Compromise Programming: A Case Study of Peninsular Malaysia[J]. SUSTAINABILITY,2019-01-01,11(16)