Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
The effectiveness of Clark's Instantaneous unit hydrograph model (IUH) on the spatial resolution of different digital elevation models

Fariba Esmaeili; Mehdi Vatakhah; Vahid Moosavi

Volume 75, Issue 4 , January 2023, , Pages 661-674


  The current study evaluates the effectiveness of Clark's Instantaneous Unit Hydrograph (IUH) model from the accuracy of different Digital Elevation Models (DEMs) including TOPO, ALOS PALSAR, ASTER, SRTM and GTOPO in the Amameh watershed. For this purpose, at first, 34 rainfall-runoff events were selected. ...  Read More

Determining the environmental flow requirement using hydraulic method in data scarce in Cheshmeh Langan River

Mehdi Vatakhah; Mohammad Tavosi

Volume 74, Issue 4 , March 2022, , Pages 889-903


  Today, the use of surface water to meet various human requirements such as drinking, agriculture and industry has endangered the health of this river ecosystem and its role in the natural system. The minimum environmental flow in the river provides a safe level of protection for the water-dependent environment. ...  Read More

Evaluating the Different Statistical Models for Flood Susceptibility Mapping in Guilan Province

Eisa Gholami; Mehdi Vatakhah; Seyed Jalil Alavi

Volume 72, Issue 4 , March 2020, , Pages 1011-1022


  Due to the lack of information in most of the watersheds, many researchers attempt to use spatial analysis within Geographic Information System (GIS) in hydrological and Flood Prone (FP) area studies. The present study was designed to compare the efficiency of three models i.e. Support Vector Machine ...  Read More

Evaluation of Urmia Lake Crisis Management Solutions with an Emphasis on Maximum Participation of Farmers (Case Study: Simineroud Watershed)

Alireza Daneshi; mehdi vafakhah; Mostafa Panahi

Volume 70, Issue 2 , August 2017, , Pages 299-314


  Due to problems of Urmia Lake, several strategies have been proposed by professionals to restore it. But it should be noted that the implementation of each plan and project within the watershed requires the participation ofstakeholders and farmers within that watershed. Due to the lack of attention to ...  Read More

Effect of Data Length, Study Span and Number of Stations on Amount of Rainfall Erosivity Factor Variability in Different Time Scales in Iran

Seyed Hamid Reza Sadeghi; Mohsen Zabihi; Mehdi Vafakh

Volume 70, Issue 2 , August 2017, , Pages 399-409


  Regarding the undeniable role of rainfall erositivity factor in initiating water erosion, studying its different aspects is important in optimal soil and water resources management. It is taken in to account in many soil erosion estimation models which are used for soil and water conservation. However, ...  Read More

Forecasting and Comparison of Future Climate Change by Using of GCM Models under Different Scenarios in Talar Watershed of Mazandaran Province

Abbas Gholami; Kaka Shahedi; Mahmud Habibneghad; Mahdi Vafakhah; Karim Solymani

Volume 70, Issue 1 , June 2017, , Pages 181-196


  Present study is aimed at forecasting and comparison of future climate change by using GCM model (General circulation model) under different climate scenarios in Talar watershed of Mazandaran province. Regarding the data of existing stations, to study the climate change phenomenon in Talar watershed, ...  Read More

Comparison of Different Geostatistical Methods for Estimating Rainfall in Hajighoshan Watershed

Yosef Nabipour; Mahadi Vatakhah

Volume 69, Issue 2 , July 2016, , Pages 487-502


  Rainfall spatial analysis methods are very helpful since there are not enough rainfall gauge stations and watersheds are scattered in large extent. There are many different methods for estimating average precipitation such as; arithmetic method and Thiessen polygon. However, the arrangement and location ...  Read More

Comparison of Neuro-fuzzy and SCS methods in sub-watersheds prioritization for watershed measures (Case study: Taleghan watershed)

Sadegh Tali-Khoshk; Mohsen Mohseni Saravi; Mahadi Vatakhah; Shahram Khalighi-Sigarodi

Volume 68, Issue 2 , September 2015, , Pages 213-225


  Because of insufficient factors including facilities, budget, human resources as well as time watershed operation is not applicable throughout the basin. As a result, watershed operation should be performed in the sub-basins in which is more affectionate and the risk frequency of some events such as ...  Read More

Land Use Optimization for Soil Erosion Minimization and Pure Income Maximization in the Part of Taleghan Watershed

Mehdi Vatakhah; Mohsen Mohsenisaravi; Hasan Ahmadi

Volume 68, Issue 1 , June 2015, , Pages 181-195


  Land use optimization is one of the suitable methods for soil conservation. The present research with objective of land use optimization for soil erosion minimization and pure income maximization was conducted in the part of Taleghan Watershed which comprises 80427.23 ha in area. To achieve this propose, ...  Read More

Forecasting of runoff and sediment using neural network and multi regression in Aghajari Marls

Mahadi Vatakhah; Hamzeh Saidian

Volume 67, Issue 3 , December 2014, , Pages 487-499


  Erosion and sediment movement phenomena are one of the most complex issues in management of rivers drainage areas that in water projects are very important. That its measurement wants high time and cost. Issue of surface runoff in river basin is a complex issue that human knowledge and understanding ...  Read More

Developing Models of Daily Sediment Yield Estimation for Kojur Forest Watershed

Zakariya Asadolahi; Mahdi Vafakhah; Seyed Hamidreza Sadeghi

Volume 67, Issue 1 , May 2014, , Pages 1-15


  Todays, dynamic models are supposed as the most important tools in erosion and sediment phenomenadue to their complexities and existence of many affecting factors. Towards, the present study wasconducted in the Kojour watershed for daily sediment modeling using daily rainfall, discharge andsediment during ...  Read More