List of Articles Open Access Article Abstract Page Full-Text 1 - Survey of Irrigation Systems Management in Landscape in Abhar Township Amir Abedini Sahar dehyouri Azita zand Open Access Article Abstract Page Full-Text 2 - Fundamentals of Chaos Theory and Fractal Geometry for Determination of Open Pit Mines’ Planning and Design Parameters regarding Sustainable Development omid Mohammadi Afshin Akbari Dehkharghani Seyed Mosleh Eftekhari Open Access Article Abstract Page Full-Text 3 - The Tous fault is the most important factor controlling the hydraulic behavior of the northern part of Mashhad plain Abbas Kangi Mohammad reza Arjmand Open Access Article Abstract Page Full-Text 4 - Chemical properties of fluoride concentrators in groundwater (Case study: Qalandaraz region of Ahar city functions) ramin salmasi Open Access Article Abstract Page Full-Text 5 - Investigating Land Use Changes In Tajyar Dam Basin Using The Erdas Software Mir Mehrdad Mirsanjari nafiseh rezapoor Open Access Article Abstract Page Full-Text 6 - Assessment of Adaptive neural fuzzy inference systems and support vector regression in runoff estimation(A case study:Dez Basin) Ghazaleh Ahmadian Ahmadabad Mahmoud Zakeri Niri Saber Moazami Goudarzi