List of Articles Open Access Article Abstract Page Full-Text 1 - Effects of Roughness on Riprap Stability around Cylindrical Bridge Pier in 180 Degree River Bend Alireza Masjedi Amir Taeedi 20.1001.1.20086377.1396.10.32.1.7 Open Access Article Abstract Page Full-Text 2 - An Assessment of Water Resources Management using The WEAP Model in The Gamasyab Watershed, The Province of Kermanshah, Iran Ata Amini Mitra Javan Afshin Eghbalzadeh Mohamadrahim Ghasemi 20.1001.1.20086377.1396.10.32.2.8 Open Access Article Abstract Page Full-Text 3 - An Application of the Cuckoo Optimization Algorithm in the Optimal Operation of Hydropower Reservoir (Case Study: The Karun4 Reservoir) Seyed Mohammad Hosseini-Moghari Mohammad Moghadas Shahab Raghinejad 20.1001.1.20086377.1396.10.32.3.9 Open Access Article Abstract Page Full-Text 4 - Water Quality Monitoring for an Assessment of Salt Contribution of Four of the QzlOuzan's Tributaries for its Contamination Using QUAL2K Numerical Model Nazanin khoob Babak Aminnejad Amin Omidi 20.1001.1.20086377.1396.10.32.5.1 Open Access Article Abstract Page Full-Text 5 - Estimation of Soil Erosion and Sediment Yield Based on Satellite Imagery Using the GIS Technique and Employing Erosion Potential Method (EPM) on Watersheds (Case study: the Dez Watershed) Hamed Noori S. Mostafa Siadatmousavi Barat Mojaradi 20.1001.1.20086377.1396.10.32.6.2 Open Access Article Abstract Page Full-Text 6 - Changes in Turbidity Current Flow Velocity Due to the Obstacle Height and an Abrupt Decrease in a Reservoir Bed Slope Shiva Keshtkar Seyed Ali Ayyoubzadeh Masoud Ghodsian 20.1001.1.20086377.1396.10.32.7.3 Open Access Article Abstract Page Full-Text 7 - Hydrological Impact of Climate change on the GavehRud Watershed as Affected by the Parameter Uncertainty Behrouz Yaghoubi Seyed Abbas Hosseini Sara Nazif 20.1001.1.20086377.1396.10.32.4.0 Open Access Article Abstract Page Full-Text 8 - Synthetic Unit Hydrograph Based on Fractal Characteristics of Watersheds Mohammad Hadi Fattahi zahra talebzadeh 20.1001.1.20086377.1396.10.32.8.4