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)
Quantifying the size of climate change effect on groundwater draw down in arid and semi-arid regions

Hamed Eskandari Damaneh; Gholamreza Zehtabian; Hassan Khosravi; Hossein Azarnivand; Aliakbar Barati

Volume 75, Issue 2 , September 2022, , Pages 227-244


  The present research aims to assess climate change in the Minab plain and its effect on groundwater level variability in the future period. Climate change was explored by the climatic model CanESM2 using the SDSM4.2 software package, and the effect of climate change on groundwater resources was quantitatively ...  Read More

Impact of meteorological drought on vegetation change trends in arid and semi-humid climates (HablehRood Watershed)

Ahmad Gillvare; Gholamreza Zehtabian; Hassan Khosravi; Hossein Azarnivand; Salman Zare

Volume 75, Issue 1 , June 2022, , Pages 103-117


  Due to the importance of vegetation cover in these areas, the aim of this study was to investigate the effect of drought, on vegetation of HablehRood watershed.Initially, NDVI index obtained from MODIS sensor was used to study vegetation cover and then SPI index based on rainfall data of two basins in ...  Read More

Simulation and prediction of climatic components of maximum and minimum temperature using CanESM2 model output in future periods, Case study ؛ Meyme plain, Isfahan province

Sahar Zakeri Anaraki; Gholamreza Zehtabian; Hassan Khosravi; Hossein Azarnivand; Arash Malekian

Volume 74, Issue 2 , September 2021, , Pages 359-372


  Intergovernmental Panel on Climate Change report shows that the world average temperature has increased to 0.6 ° C ± 0.2 ° C in the twentieth century. Therefore, long-term prediction of climate variables and the consideration of measures to mitigate the adverse effects of climate change ...  Read More

Comparison of machine learning models to prioritize susceptible areas to dust production

Serveh Darvand; Hassan Khosravi; Hamidreza Keshtkar; Gholamreza Zehtabian; Omid Rahmati

Volume 74, Issue 1 , June 2021, , Pages 53-68


  The purpose of this study was to compare machine learning models including Support Vector Machine, Classification and Regression Tree, Random Forest, and Multivariate Discriminate Analysis to prioritize susceptible areas to dust production. To determine the dust days, hourly meteorological data of Alborz ...  Read More

Analysis of Landuse Changes on Land Degradation and Desertification in Coastal Regions of Southern Iran

Sayyed Alireza Hosseini; Hassan Khosravi; Hamid Gholami; Yahya Esmaeilpour; Artemi Cerda

Volume 73, Issue 2 , September 2020, , Pages 305-320


  In this study, land use change trend in coastal areas of south of Iran, including Sistan Baluchestan, Hormozgan, Bushehr were studied during 31 years (1988-2019). Landsat satellite images including TM, ETM +, OLI were used for this purpose. The maximum likelihood method was also used to classify satellite ...  Read More

Investigation and comparison of soil nutrients under different land uses and crop patterns (Case Study: Eshtehard)

Shima Javadi; Gholamreza Zehtabian; Mohammad Jafari; Hassan Khosravi; Azam Abolhasani

Volume 72, Issue 4 , March 2020, , Pages 941-950


  The reduction of soil quality and health due to the lack of proper management or land use change in arid and semi-arid regions of Iran has become a major challenge, which affects the nutritional properties of the soil. Regarding to the importance of nutrients in plant growth, the aim of this study was ...  Read More

Changes Detection of Mahrloo Lake Level and it's Surrounding Landuse in the period 1381-1394

mohsen kazemi; sadegh naji; Sadat Feiznia; Hassan Khosravi

Volume 72, Issue 3 , December 2019, , Pages 831-842


  One of the strategies to achieve sustainable management of lakes and wetlands is change detection of lakes, wetlands and their surrounding landuses during the specific time periods. In this research, the satellite images from 1381 to 1394 applying geometric and atmospheric corrections were used in order ...  Read More

Investigation of the effect of Haloxylon planted on groundwater resources (Case study: Jafarieh plain Qom)

Bahareh Jebalbarezi; Gholamreza Zehtabian; ِAli Tavili; Hassan Khosravi

Volume 72, Issue 1 , June 2019, , Pages 45-54


  Investigation of the effect of plant community on limited water resources of deserts is an important issue in water resources management. Different species of Haloxylon are compatible with desert condition and can use groundwater resources due to deep roots and proper structural condition. The purpose ...  Read More

The Effect of Vegetation Cover on Microclimate in Dry land Ecosystem (Case Study: Sistan Plain)

Farhad Zolfaghari; Hossein Azarnivand; Hassan Khosravi; Gholamreza Zehtabian; Shahram Khalighi Sigaroodi

Volume 71, Issue 4 , March 2019, , Pages 901-914


  Any Changes in a dry land surface ecosystem will be affected by the climate near the ground or microclimate in the vertical plane. In recent decades' wetland drying cause to reduced vegetation significantly. Assessing Zabol synoptic station statistics shown an increased temperature of this place. It ...  Read More

Assessing the effect of land use changes on groundwater quality and quantity (Case study: west basin of Jazmoryan wetland)

Hamed Eskandari Damaneh; Gholamreza Zehtabian; Ali Salajegheh; Mehdi Ghorbani; Hassan Khosravi

Volume 71, Issue 3 , December 2018, , Pages 563-578


  In this study, the effect of land use changes on groundwater resources as well as monitoring of spatial and temporal changes of groundwater quantitative and qualitative parameters were assessed in west basin of Jazmoryan Wetland. Landsat satellite images of TM 2002 and OLI 2015 sensors by applying of ...  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

Determine the most important criteria and indicators that influence land degradation and desertification

Nooshin Shakerian; Gholamreza Zehtabian; Mohammad Ali Zareh Chahooki; Hassan Khosravi

Volume 70, Issue 2 , August 2017, , Pages 385-398


  Nowadays, land degradation and desertification are serious and complex problems that have turned into a worldwide crisis in the world. Using evaluative systems to study degradation and adopting an appropriate strategy to deal with this phenomenon is necessary and important.  The first step in the ...  Read More

Assessment and Mapping Desertification Risk in Roudab Region

Fatemeh Azariyan; Sara Valizadeh; Pouyan Dehghan; Hassan Khosravi

Volume 69, Issue 4 , March 2017, , Pages 789-804


  Iran is mostly consisted of arid and semi-arid areas. Rudab region, Sabzevar, is indicative of an areaexposed to and affected by the risk of desertification. This study accordingly is aimed at assessingthe risk of desertification using ESAs model, through mapping the risk of desertification. Initially,work ...  Read More

Net Primary Productivity in Kouhdasht, its Spatio-Temporal Patterns and Relation to Meteorological Variables

Moslem Borji Hassan Gavyar; Hadi Eskandari Dameneh; Hassan Khosravi

Volume 69, Issue 3 , December 2016, , Pages 561-574


  Nowadays, temperature increase, rainfall decrease and its effect on the time dynamics of carbon fixation cycle still are faced by many uncertainties. Net Primary Production (NPP) is one of the main factors of carbon cycle; precipitation and temperature measurement are known as two useful tools to study ...  Read More

Land Use /Cover Change Monitoring and Prediction Using Markov Chain (Case Study: The Abbas Plain)

Kamran Karimi; Gholamreza Zehtabian; Marzban Faramarzi; Hassan Khosravi

Volume 69, Issue 3 , December 2016, , Pages 711-724


  Remote sensing is a key technology for assessing expansion and rate of land cover changes that awareness of these changes as the basic information has a special importance for various programs. In this study, land use changes were examined over the past 24 years, and the feasibility of predicting ...  Read More

Desertification Monitoring in Garmsar plain with Emphasis on Water and Agriculture Criteria

ali azareh; Gholamreza Zehtabian; Aliakbar Nazari Samani; Hassan Khosravi

Volume 68, Issue 3 , October 2015, , Pages 427-439


  In management, the monitoring means systematic collection and storage of data from activities and strategies that provide assessment and report about the overall condition of the study area. In this research, among different existing methods, IMDPA model was selected for monitoring desertification in ...  Read More

Assessment of Desertification Density Using IMDPA Model (Case study: Shahr-Babak plain, Kerman Province)

Afshin Jahanshahi; Alireza Moghaddamnia; Hasan Khosravi

Volume 68, Issue 2 , September 2015, , Pages 247-267


  To assessment and preparation of desertification mapping, much research has been conducted ever within and outside the country that has led to numerous regional models. To provide a regional model and quantitative assessment of current state of desertification, ShahrBabak plain with an area of 4112 square ...  Read More

Effects of Agricultural Activities on Land Degradation in the Khatam City

Gholamreza Zehtabian; Hassan Khosravi; Ali Azareh

Volume 67, Issue 1 , May 2014, , Pages 61-72


  Need to Increasing agricultural land in order to improve food resources in the past two centuries recentlead to widespread changes in land use and improper management of these lands. Continue thisprocess can lead to land degradation and desertification, and improve such soils is very costly;Therefore, ...  Read More