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 Ecological Potential of Rangelands in Alborz Province using GIS Data and Evaluating its Impact on Enhancing Natural Resource Management

Monireh Bahrami; Fereydoon Sarmadian; Ebrahim Pazira

Volume 76, Issue 4 , February 2024, , Pages 405-426


  Rangelands are one of the essential components of natural ecosystems and are known as one of the main sources of forage supply, biodiversity conservation, soil and water resources. The aim of this study was to investigate the ecological potential of rangelands in Alborz province based on the Analytic ...  Read More

Spatial prediction of soil classes using C5.0 boosted decision tree model Abyek Area

Milad Momtazi Burojeni; Fereydoon Sarmadian

Volume 75, Issue 4 , January 2023, , Pages 553-572


  Soil resource management is essential to maintain community production and the environment. Soil is usually used to produce agricultural products and livestock fodder. As a result, the mapping of high-resolution digital maps is crucial for the distribution of soil and soil properties and land management. ...  Read More

Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches

Asghar Rahmani; Fereydoon Sarmadian; Sayed Roholla Mousavi; Seyyed Erfan Khamoshi

Volume 73, Issue 1 , June 2020, , Pages 105-124


  Conventional soil mapping is related to High density sampling, affected by scale and expert knowledge So using of new data mining methods in digital soil properties mapping was the main aim of this study for resolving conventional soil survey problems. In this research, 62 surface soil samples based ...  Read More

The spatial extrapolation of soil great group by application of Random Forest in arid region of central Iran (Faryab-Kahnooj)

Mehrnaz Neyestani; Fereydoon Sarmadian; Azam Jafari; Ali Keshavarzi

Volume 72, Issue 4 , March 2020, , Pages 1147-1166


  In digital soil mapping, soil characteristic and classes could be extracted truly by numerical and quantitative modelling. Hence, derived rules could be fitted to similar regions for achieving ruled relations on areas without soil information which is called as extrapolation. In the present study, achieving ...  Read More

Digital soil mapping Using Random Forests and Land Suitability Evaluation for Abyek Region, Qazvin Province

Seyyed Erfan Khamoshi; Fereydoon Sarmadian; Ali Keshavarzi

Volume 71, Issue 4 , March 2019, , Pages 885-899


  Soil is known as a dynamic media so it easily degrade with inapplicable usage so with increasing in degradation of this limited source, the world’s food safety would be in danger. Thus, applicable and sustainable usage of agricultural lands are become an essential and inevitable agenda. Therefore, ...  Read More

Application of CANFIS Model in Prediction of Soil Cation Exchange Capacity in Some Arid and Semi-Arid Regions of Iran

Fereydoon Sarmadian; Ali Keshavarzi

Volume 69, Issue 2 , July 2016, , Pages 397-410


  Data mining enables generalization of data of soil to remote areas and which is able to up/down scale of data in wide ranges of level that facilitate the decision-making process of executives. Cation Exchange Capacity (CEC) is one of the most important parameters in soil database and shows the ability ...  Read More

Mapping Soil degradation based on Geopedological method and GLASOD model using GIS in East Qazvin Province

khaled Hajimaleki; rouhollah mousavi; Manochehr Gorji; Fereidon Sarmadian

Volume 68, Issue 4 , January 2016, , Pages 853-867


  Nowadays, the importance of soil conservation in agriculture and natural resources, with the goal of preventing its deterioration and degradation are necessary. Soil and land degradation as a direct cause of the threat to the global environment and human welfare is evident. In this study soil degradation ...  Read More

Mapping soil surface salinity using Landsat Data ( Case Study: Bueinzahra


Volume 67, Issue 4 , May 2015, , Pages 631-640


  This research was done in order to submit a model for salinity map made with TM satellite data and salinity values in a Buienzahra. The necessary processings such as principal component analysis and producing of different indices was done on the main bands. The 38 soil samples using random sampling (with ...  Read More

Comparing the Accuracy of Soil Map Prepared by Geopedology and Usual Method of Iran (Case Study: Kouhin)

Zohreh Alijani; Fereydoun Sarmadian; Seyed Rouhollah Mousavi

Volume 67, Issue 1 , May 2014, , Pages 93-102


  Today, extensive improvements in fields of soil mapping have increased the purity and accuracy ofsoil maps. Usual mapping methods moreover depend on skills and experience of surveyor inidentifying and delineating the boundaries, also need the high cost and time consuming that face thesoil mapping with ...  Read More

Land vulnerability evaluation related to erosion and climate change impacts in Abyek region with use of Microleis system

Raziyeh Safiyari; Fereydoon Sarmadian; Ahmad Heidari; Shirin Younesi

Volume 66, Issue 3 , November 2013, , Pages 417-431


  Evaluation soil erosion is an important matter to protecting it from destroying in future due to the excessive use of the inherent capacity of soil and also improper management. Therefore, in this study land vulnerability related to water and wind erosion of Abyek for crops and pasture land has been ...  Read More

Comparison of Neuro-Fuzzy, Genetic Algorithm, Artificial Neural Network and Multivariate Regression for Prediction of Soil Salinity (Case study: Ardakan City)

Ruollah Taghizadeh Mehrjardi; Fereydoon Sarmadian; Gholem Reza Savaghebi; Mahmoud Omid; Nourayer Toomanian; Mohammad Javad Rousta; Mohammad Hasan Rahimiyan

Volume 66, Issue 2 , July 2013, , Pages 207-222


  In recent years, alternative methods have been used for estimation of soil salinity. Therefore, at present research, 600 soil samples collected from Ardakan in central Iran. Then EM38 and terrain parameters such as wetness index, land index and curvature as readily measured properties and soil salinity ...  Read More

Performance Assessment of Fuzzy Integrals as Aggregation Operators for Soil Suitability Analysis (Case Study: Silakhor Plain of Lorestan Province

Alireza Amirian Chekan; Ferydoon Sarmadiyan; Ahmad Heydari; Mahmoud Omid; Jahangir Mohammadi; Inakwu Odeh

Volume 65, Issue 3 , December 2012, , Pages 301-314


  The traditional fuzzy operators, such as t-norms, t-conorms and averaging operators have been used for soil suitability evaluation to aggregate criteria as an overall suitability index. However, such operators do not account for the degree of compensation common to human aggregation criteria, especially ...  Read More

Assessment of Wind Erosion Intensity by IRIFR. E.A Model (Case Study: Abuzeidabad, Kashan)

T Mesbahzadeh; H Ahmadi; Gh Zehtabian; F Sarmadian

Volume 63, Issue 3 , December 2010, , Pages 399-415

  Investigation and preparing of wind erosion intensity maps are the main objectives of this research. In this research, the working unit map was prepared and then nine effective factors in wind erosion according to IRIFR.E.A model are determined at each of seven homogeneous units. According to the results, ...  Read More

Studying the effects of land use change on soil physical and chemical quality indicators of surface horizons in rangelands of eastern Qazvin province

M. Navidi; F. Sarmadian; Sh. Mahmoudi

Volume 62, Issue 2 , October 2009, , Pages 299-309

  Sustainable exploitation of land resources is directly affected by considering soil quality which finally will also conclude environmental protection. Therefore, assessing different soil quality aspects which are sensitive to various land management practices seems too important. In this study, some ...  Read More