A New Approach of Fuzzy Methods for Evaluating of Hydrological Data
Autor: | Shamskia, Nasser, Seyyed Habib Rahmati, Haleh, Hassan, Seyyedeh Hoda Rahmati |
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Jazyk: | angličtina |
Rok vydání: | 2011 |
Předmět: | |
DOI: | 10.5281/zenodo.1081725 |
Popis: | The main criteria of designing in the most hydraulic constructions essentially are based on runoff or discharge of water. Two of those important criteria are runoff and return period. Mostly, these measures are calculated or estimated by stochastic data. Another feature in hydrological data is their impreciseness. Therefore, in order to deal with uncertainty and impreciseness, based on Buckley-s estimation method, a new fuzzy method of evaluating hydrological measures are developed. The method introduces triangular shape fuzzy numbers for different measures in which both of the uncertainty and impreciseness concepts are considered. Besides, since another important consideration in most of the hydrological studies is comparison of a measure during different months or years, a new fuzzy method which is consistent with special form of proposed fuzzy numbers, is also developed. Finally, to illustrate the methods more explicitly, the two algorithms are tested on one simple example and a real case study. {"references":["Abolpour, B., Javan, M., Karamouz M.. 2007. Water\nallocation improvement in river basin using adaptive\nNeural Fuzzy Reinforcement Learning approach, Applied\nSoft Computing 7, pp. 265-285.","Agostino, R.B. D and Stephens, M.A., Eds. 1986.\nGoodness-of-Fit Techniques, Marcel Dekker.","Bankert, R., Hadjimichael, M. and Hansen, B. 2001.\nFuzzy logic in Environmental Sciences (http://\nwww.chebucto.ns.ca/Science/AIMET/fuzzy_environment/.","Bardossy, A., Bronstert, A., and Merz, B. 1995. \"1, 2, and 3 Dimensional Modeling of Water Movement in the\nUnsaturated soil Matrix Using a Fuzzy Approach\". Adv.\nWat. Resour. 18, pp. 237-251.","Buckley, J.J., Eslami, E., 2003a. 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