Regionalization Approach for Modeling of Monthly Evaporation Based on Cluster Analysis

Abstract

Fuzzy logic is a powerful problem solving methodology and mathematically it is a superset of Boolean or Crisp logic. The term "fuzzy" refers to the logic involved which can deal with concepts that cannot be expressed as the "true" or "false" but rather as "partially true" or “partially false”. This makes it easier to mechanize tasks that are already successfully performed by humans. Fuzzy logic has based on fuzzy set theory. Fuzzy logic is a complex mathematical method that allows solving difficult simulated problems with many inputs and output variables. In Environmental Engineering it is difficult to judge the severity of pollution by layman. A present paper focus on w1determination of air quality index by using Fuzzy Logic systems.