Volume 77 (2024)
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)
Assessing the capability of mountain rangeland Dermian of South Khorasan for ecotourism use

vahideh Abdollahi; Hossein Arzani; Javad Motamedi

Volume 75, Issue 2 , September 2022, , Pages 283-298


  Ecotourism, as a side activity of rangeland, can be effective in improving the livelihood of rangers and will reduce the pressure on rangelands by economizing rangeland. In this study, with the aim of evaluating the potential rangelands of Dermian , for ecotourism use, based on environmental and ecological ...  Read More

Using k Nearest Neighbor (k-NN) algorithm as a suitable approach to estimate cover-management factor of RUSLE model in Shirin Dareh basin, North Khorasan

Emad Zakeri; Hamidreza karimzadeh; Seyed Alireza Mousavi

Volume 73, Issue 4 , March 2021, , Pages 753-770


  Cover-management factor (C) is one of the most important influential factor on soil erosion using the Revised Universal Soil Loss Equation (RUSLE) model. C-factor is challenging to determine based on the proposed procedures due to lack of accurate information. Vegetation cover map can be used to estimate ...  Read More

Spatial prediction of shallow landslides using statistical and machine learning models (case study: Sarkhoon watershed)

Zahra Barati; Ebrahim Omidvar; Ataollah Shirzadi

Volume 71, Issue 4 , March 2019, , Pages 869-884


  Landslide susceptibility mapping is considered as the first important step in landslide risk assessment. The main purpose of this study is to compare the performance of a machine learning algorithm (a logistic model tree), and a statistical model (a logistic regression), for landslide susceptibility ...  Read More

Study of Groundwater Quality of Mashhad Aquifer using GIS and Multivariate Statistical Techniques

mahboobeh sarbazi; Sadat Feiznia; Mohammad Mahdavi

Volume 71, Issue 3 , December 2018, , Pages 645-657


  Water quality is always one of the major challenges for managers and decision makers in water resource management. However, the problems of water quality are more important than quantity. One of the main ways in thorough review and assessment of water quality using multivariate statistical techniques ...  Read More

Design of Agricultural Ecological and Rangeland Capability Model Using Integrated Approach of FUZZY-AHP (A case study: Eshtehard city)

Pouyan Dehghan; Hossein Azarnivand; Hassan Khosravi; Gholamreza Zehtabian; Alireza Moghaddam Nia

Volume 71, Issue 1 , June 2018, , Pages 11-24


  The excessive reducing capacity of natural resources is one of the most important challenges that human beings have faced it in the last century. Proper land use and land use management based on its ecological potential play an important role in achieving sustainable development. Hence, in order to achieve ...  Read More

Assessment of livestock pressure and its effect on desertification hazard, case study ‎area: Miyandehi Feizabad, Khorasan Razavi

zohreh asar; masoud masoudi

Volume 70, Issue 2 , August 2017, , Pages 411-421


  Desertification refers to land degradation in arid, semi-arid, and dry sub-humid region. It is a global environmental problem with political and socio-economic consequences. Land degradation occurs as a result of impoverished vegetation cover that may lead to a progressive and irreversible reduction ...  Read More

Evaluation of Logistic Regression Efficiency in Mapping Flood Susceptibility

khabat Khosravi; Edris Marufinia; Ebrahim Nohani; Kamran Chapy

Volume 69, Issue 4 , March 2017, , Pages 863-876


  In order to prevent any damages which can be caused by flood at Haraz watershed in the Mazandaran province, it is essential to prepare a flood susceptibility map using logistic regression. About 211 flood locations and 211 non-flood locations were first recognized. Ten flood conditioning factors such ...  Read More

Investigating Geology Impact upon Flood Occurrence (Case Study: Joneghan Watershed Basin, Shahr-e-Kord)

sadat Feiz Nia; Mariam Musavian; Zohreh Abdolahian Dehkordi; Khadijeh Ebrahimi Dorche

Volume 69, Issue 4 , March 2017, , Pages 1017-1030


  Physical characteristics of drainage basins suchas geological materials, landuse type and vegetation cover, soil type, surfacepermeability, depth of underground water table, topographical conditions anddrainage are important factors in flood occurrence which affect prevailingequations on water movement ...  Read More

Comparisons of different models for landslide susceptibility mapping in Zangvan watershed, Ilam province

Haji Karimi; Fathollah Naderi; Behrooz Naseri; Ali Salajeqeh

Volume 67, Issue 3 , December 2014, , Pages 459-485


  Distinguishing the susceptible areas to landslide using different landslide susceptibility mapping (LSM) models is one of the primitive and basic works to reduce probable damages and reduce risk. The main purpose of this research is the efficiency evaluation of four methods including Information value ...  Read More

Suitability Determination for Sheep in Rangeland of Ferydounshahr, Isfahan

Ebrahim Gavili; Mohamad Reza Vahabi; Fazel Amiri; Hossain Arzani

Volume 66, Issue 4 , March 2014, , Pages 595-607


  This research was conducted to recognize Sibak-Sardab watershed rangeland potentials, evaluate and determine of suitability classes for sheep grazing. In this research, we used the proposed method of FAO (1992) and for information layers crossing used in Geographical Information System (GIS). In this ...  Read More

Soil erosion risk assessment and its relationship with some environmental parameters (Case study: Vazroud watershed, Mazandaran)

Jalal Zandi; Mahmoud Habibnejad Roshan; Karim Solaimani

Volume 66, Issue 3 , November 2013, , Pages 401-415


  Soil erosion is a serious environmental problem in Vazroud watershed, which is located in the centre of the Mazandaran Province, Iran. Unfortunately, Vazroud watershed like most Iran watersheds don’t have recorded data and erosion and sedimentation gages to research, monitor and model soil erosion ...  Read More

Spatial Prioritization of Flood Mitigation and Soil Erosion Control Practices Using Fuzzy Logic Approach )Case Study: Foorg Watershed(

Morteza Dehghani; Hosein Ghasemi; Arash Malekian

Volume 66, Issue 1 , April 2013, , Pages 73-88


  Nowadays, watershed management practices are undertaken based on selective criteria and/or a specific purpose such as a decrease in flood risk, soil erosion and the like. In this respect,fuzzy logic has the ability to manage a wide range of options for decision making. This researchaimed to use the fuzzy ...  Read More

Generating a Vegetation Map in Mountainous Region of Sabzkouh Using a Digital Elevation Model

Shahrebanoo Rahmani; Ataollah Ebrahimi; Alireza Davoudian

Volume 66, Issue 1 , April 2013, , Pages 89-109


  The analysis of the relationship between spatial distribution of environmental factors andvegetation types is crucial for understanding mountainous ecosystems. In this research aGIS based approach was used to produce a vegetation map for Sabzkouh protected area inthe Chaharmahal-Va-Bakhtiari province. ...  Read More

Landslide Risk Zoning Potential by Analytical Hierarchy Process (AHP) and Multivariate Regression (MR) (Case Study: Upstream of North Karoon Basin)

Koroosh Shirani; Mohammadreza Haji Hashemi Jazi; Seyyed Ali Niknejad; Soleiman Rakhsha

Volume 65, Issue 3 , December 2012, , Pages 395-409


  In western and southern watersheds of Isfahan province, combinations of natural and human factors have caused numerous landslides related damages. One of the main strategies for restricting the damage caused by the landslide is to avoid these regions. For this purpose, it is necessary to prepare precise ...  Read More

Land use planning for tourism development using Geographical Information Systems (GIS) (Case study: Taleghan Watershed, Khodkavand Sub-chatchment)

M Jafari; M Tahmoures; M. Naghiloo

Volume 62, Issue 1 , June 2009

  The use of GIS tools is one of the newest methods for performance of different land evaluation and planning projects. This research with the purpose of determination of appropriate landuse to natural land potential and improvement of land management of catchments was executed using GIS-tools in Taleghan ...  Read More

Application of GIS for calculation of runoff (Case study: Kechik Watershed, Golestan province)

N. Noura; A. Kabir

Volume 62, Issue 1 , June 2009, , Pages 153-166

  In this paper the utilization of GIS for the parameterization of rainfall- runoff process, physically based hydrological model components is described. The hytrogeneity of soil and vegetation in a catchment can be expressed with distribution functions of infiltration and soil storage capacities which ...  Read More