Abstract

YOUSEFI RAD, Mostafa. Hydrostratigraphy of Haftad Gholle Karst, Markazi province, Iran, optimized by Fuzzy Logic. Geofís. Intl [online]. 2012, vol.51, n.4, pp.365-376. ISSN 2954-436X.

The objective of this study is to optimize the karstic lithology in the Haftad Gholle area located of South-eastern Arak, NW Iran, using fuzzy logic.The karst of Haftad Gholle area was divided into seven lithologic units; information  on effective properties including thickness, RQD (Rock Quality Designation), opening joints, joint distance, porosity, permeability, and bedding  were obtained. Using Similarity to Ideal Solution approach, the data were transformed to fuzzy numbers, and the analysis was performed. The results showed that the best karstic water resources correspond to a unit which includes lower massive limestone karstic units (KL1) belonging to the Lower Cretaceous.

Keywords : Karst; Hydrostratigraphy; Fuzzy logic; Arak.

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