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(groundwater lowering, groundwater management scenario, fuzzy analytic hierarchy process, expert knowledge, triangular fuzzy numbers, linguistic variables)
their symbolic linguistic form, linguistic variables also have a quantified analytical form-membership function, such that they are of a dual nature. Thisdual identity makes linguistic variables suitable forqualitative-symbolic

instead ofdifferential equations to describe a system. The knowledge is conveyed in a natural way, by linguistic variables, such that fuzzy logic is “computing with words”(ZADEH 1965; ZADEH 1975).As indicated above, the basic

hip function as follows:The correlation between the numerical values oftriangular fuzzy numbers and linguistic variables isrepresented by fuzzified Saaty’s scale (CHANG 1996;DENG 1999; TOLGA 2005). One such correlation isshown