Rainfall-Runoff modeling using fuzzy technique

Abstract

In the existing work, an endeavour has to germinate fuzzy logic based flow prediction model victimization contemporary day’s precipitation as stimulant and daily runoff as output for a Harsul turning point of Godavari geographic area in the Nashik zone of Maharashtra, India. The foggy conception is for a mathematical kind of inexactness and uncertainty in human experience and is used to reflect so much complexities (Maskey et al., 2004; Gopakumar and Mujumdar, 2008 and Chu and Chang, 2008) [10, 8, 5]. The construct of fuzzy logic molding was in the beginning projected by Zadeh (1965), in which the linguistic variables rather than the numerical belief are oft-times misused to assist the face of rules and facts. Fuzzy logic modeling has been applied to various profession trouble in the bypast, e.g., a body process of mercantilism conjunction, a thing cleanup mental process, water steady-going prognostication, stream flow prediction, and rainfall-runoff modeling. The presentation of the model was evaluated qualitatively and numerical by visual observation and employing various statistical indices viz. correlation coefficient, root mean square erroneousness, constant of skillfulness, intrinsic square error, constant of variation, awful independent fluctuation and volumetric wrongness. Fuzzy nonmoving and fuzzy sense pass upon time-honoured Boolean logic (Zadeh, 1965).