List of Articles اندیس اشباع Open Access Article Abstract Page Full-Text 1 - Investigation of Hydro Geochemical Changes in Groundwater Case Study: Hamedan-Bahar Plain Sajad Fazel Tavasol Ali Ahmadi Mostafa Safari Komil Reza Dehghani Open Access Article Abstract Page Full-Text 2 - Investigating karst development using hydrological and hydrochemical characteristics of springs (case study: Roein basin in North Khorasan province) mohammad motamedirad Leila gholi Mokhtari Shahram Bahrami Mohammad ali zanganeh asadi