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 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
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

Assessments of risk-based of crops water requirement under climate change using AOGCMs

parisa sadat ashofteh; Omid Bozorg Haddad

Volume 68, Issue 3 , October 2015, Pages 441-457


  Food security in the world that water shortages are faced is very important, especially in arid regions. Effects of climate change on agricultural water requirement have doubled this importance. In this study, the risk of water demand has been assessed for a wide range of products under climate change. ...  Read More

Evaluation criteria influence soil and land management in the wilderness creation Jazinak Sistan Region.

mohsen hosseinkhani; akbar fakhire; alireza shahriari; ahmad pahlavanravi; soheila noori

Volume 68, Issue 3 , October 2015, Pages 459-467


  In this research using GIS effect of land management and soil criteria with eight indicators to study the sensitivity to the desert lands of the region of Sistan jazinak creation is evaluated. Vote based on the model parameters wilderness - the latest creation ESAs evaluation method wilderness creation ...  Read More

Comparison of soil seed bank characteristics between forest and grassland habitats

Seyed Hamzeh Hosseini Kahnuj; Reza Erfanzadeh; Hossein Azarnivand

Volume 68, Issue 3 , October 2015, Pages 469-485


  This study aimed to investigate the effect of habitat kind on soil seed bank characteristics viz. density diversity, richness and similarity between seed bank and above ground vegetation. Two different habitats (grassland and forest) were selected in Vaz, Mazandaran province. The grassland habitat located ...  Read More

Calibration and validation SWMM model in order to simulate urban runoff (Case Study: Imam Ali Town in Mashhad)

Shahram Khalighi Sigarodi; Mohammad Rostami Khalaj; Mohammad Mahdavi; Ali Salajegheh

Volume 68, Issue 3 , October 2015, Pages 487-498


  Large impervious surfaces and man-made waterways are the characteristic of urban area. Increasing urbanization and rapid growth of cities in recent decades towards the upstream watershed, has been severely affected on rainfall-runoff processes in urban area. Therefore, to computer models in order to ...  Read More

Effects of grazing and phenology on water-soluble carbohydrates and nitrogen reserves of three key range species (Bromus tomentellus, Cephalaria kotschyi and Ferula haussknekhtii) in Saral rangelands of Kurdistan Province, Iran

Kazem Saedi; Adel Sepehry; Mohammad Pesarakli; hosein gharehdaghy; Adel siosehmardeh

Volume 68, Issue 3 , October 2015, Pages 499-516


  This study conducted to investigate the effects of grazing in a short-term stocking system on the water-soluble carbohydrates (WSC) and nitrogen (N) reserves of permanent parts of Bromus tomentellus, Cephalaria kotschyi and Ferula haussknekhtii in Saral rangelands. A key area was selected with a permanent ...  Read More

An investigation on the effect of fire in short time on growth form and palatability classes in Zagheh rangelands

Reza Siahmansour; Hossein Arzani; Mohamad Jafari; Seyed Akbar Javadi; Ali Tavili

Volume 68, Issue 3 , October 2015, Pages 517-531


  Fire consider as a factor and basic management in rangeland in order to reform of composition and biological diversity that use in rangeland ecosystems. This project was established to deal with the effect of fire in the research center for rangeland. Zagheh locale where is in 35 km of north eastern ...  Read More

Comparison of optimization and uncertainty analysis methods in hydrological modeling

Sadegh Sadeghi Tabas; mohsen Pourreza bilondi

Volume 68, Issue 3 , October 2015, Pages 533-552


  Rainfall-runoff modeling is most important component in the water resource management of river basins. The successful application of a conceptual rainfall-runoff model depends on how well it is calibrated. The degree of difficulty in solving the global optimization method is generally dependent on the ...  Read More

Prediction of precipitation applying Wavelet and ANN Model

Parivash Toufani; Ahmad Fakheri fard; Abolfazl Mosaedi; AmirAhmad Dehghani

Volume 68, Issue 3 , October 2015, Pages 553-571


  Prediction of Precipitation is very important. Regarding to the non- linear relationships and uncertainty of models, there is no superior and persuasive model among various proposed models to simulate precise precipitation and its amount. Wavelet is one of the novel and very effective methods in time ...  Read More

Comparison of suspended load in two sub-catchments grazed and ungrazed in the Kakhk area of Gonabad

Masoud Eshghizadeh; Mohammad-Taghi Dastorani; Ali Talebi

Volume 68, Issue 3 , October 2015, Pages 573-588


  The management of sedimentation problems in rivers and reservoirs depend greatly on the sediment yield from the catchment land surface. In this research the effects of biological measures and ranges enclose on suspended load in two sub-catchments of Kakhk experimentalWatershed in Gonabad has been studied. ...  Read More

Assessment of soil loss estimation method by field indicators (Case study: Shahrak Watershed, Taleghan Basin)

Nayereh Ghazanfarpour; Sadat Feiznia; Hassan Ahmadi; Mohammad Jafari; Masoud Nasri

Volume 68, Issue 3 , October 2015, Pages 589-606


  Estimation of the amount of soil loss measurement of field indicators is a low-cost method, is easy to learn and can be simply applied. In order to measure and make assessment of soil loss amount by field indicators method in Shahrak Watershed, first map of the work units was prepared and then, measurements ...  Read More

Evaluation of Watershed Plan on the rate of erosion and sediment in Kan basin

golaleh ghaffari; Hassan Ahmadi; Omid Bahmani; Ali akbar Nazari samani

Volume 68, Issue 3 , October 2015, Pages 607-624


  In Iran due to the lack of long experience in the implementation of Soil Conservation and Watershed Management Plans, these measures have not been evaluated quantitatively and specific methods for this purpose have not been provided. In this research effort is to investigate the effect of watershed management ...  Read More

Analysis and Assessment of Social Capital in toward increasing of Local Communities Resilience and Sustainable Landscape Management

Mehdi Ghorbani; Leila Avazpour; Mohsen Yoosefi

Volume 68, Issue 3 , October 2015, Pages 625-645


  Social capital is one of the most important criteria related to social network resilience. In trust networks as the most important factor of social capital in adaptive governance, sensitivity to disorders and irregularities is considerable and resiliency improvement and compatibility capacity depends ...  Read More

Evaluation of Time-Area Accuracy in Developing IUH

Hamid Reza Moradi; Hanieh Asadi; Seyed Hamidreza Sadeghi; Abdolrasool Telvari

Volume 68, Issue 3 , October 2015, Pages 647-656


  The hydrograph at watershed outlet can be expressed as hydrological response of watershed to geomorphological behavior. In present study with the aid of the GIS and the concept of instantaneous unit hydrograph, the watershed response was simulated. In present physical method, the IUH is derived from ...  Read More

Trend analysis of streamflow in Karkheh Rivers upstream: An evidence for climate change impacts on water resources systems

Khaled Osati; Ali Salajegheh; Mohammad Mahdavi; Paul Koeniger; Kamran Chapi; Arash Malekian

Volume 68, Issue 3 , October 2015, Pages 659-674


  Within the climate change debate and its probable impacts on water resources systems, design and operation of management plans based on the assumption of stationary hydrology may cause serious challenge to accurately predict future supplies. Therefore this case study is trying to assess trend in hydroclimatic ...  Read More