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)
Dynamic Modeling of Land Use Changes based on Human-Environmental System in Taleghan Watershed

Roghaye Shad; Mehdi Ghorbani; Khaled Ahmadaali; Aliakbar Nazari Samani; Maryam Yazdanparast

Volume 76, Issue 2 , August 2023, , Pages 133-148


  Land use changes in countries like Iran, which is facing space limitations, should be thoughtful and in accordance with proper planning, just like water consumption. On the other hand, the inherent dynamism of human beings and their needs has made the way and extent of land use change over time. Therefore, ...  Read More

Defining spatially continuous Hydrological Response Units for hydrological modelling in a mountainous watershed with SWAT (case study: Taleghan watershed)

Marziyeh Haji Mohammadi; Aliakbar Nazari Samani; Arash Zare Garizi; Hamidreza Keshtkar; Mahmood Arabkhedri; Amir Sadoddin

Volume 75, Issue 2 , September 2022, , Pages 213-226


  The SWAT model is widely used to simulate watersheds and evaluate the impact of conservation watershed management practices. In this model, the simulation of the watershed processes is based on hydrological response units (HRUs) which are created by overlaying land use /land cover, soil and slope maps. ...  Read More

Ability of Loadest Regression Methods to Estimate Annual Suspended Sediment

Aliakbar Nazari Samani; Aryan Salvati

Volume 74, Issue 3 , December 2021, , Pages 597-609


  Having knowledge on the quantitative amount of watershed sediment yield is one of the most basic information to deal with soil erosion and conservation as well as design of dams. In Iran, the estimation of suspended sediment load is often based on measurement curve methods. Since sediment discharge data ...  Read More

Effects of flood water spreading on soil clay minerals in Bushehr province

Ali Jafari; Aliakbar Nazari Samani; Fatemeh Tavakolirad

Volume 73, Issue 3 , December 2020, , Pages 489-497


  Doing the research for monitoring, evaluating and comparing the results with the parameters of projects is essential in the most natural resources and watershed management projects. Also in flood spreading projects the measurement, processing and evaluating the obtained information seems necessary. ...  Read More

Modelling of Suspended Sediment Yield and Determination of Effective Factors on sediment variability in Karoon and Karkhe Watersheds

vahid chitsaz; Aliakbar Nazari Samani; Saeed Soltani; sadat feiznia

Volume 73, Issue 2 , September 2020, , Pages 293-303


  Sediment and erosion are two natural phenomena in watersheds. Due to irregular recording and sampling difficulties, daily data are not available for sediment records. Therefore, decision makers and researchers have to apply interpolating methods to estimated sediment yields. In this study, 30 watershed ...  Read More

Investigating condition of karstic lineaments in watersheds leading to Persian Gulf

Mohsen Farzin; Aliakbar Nazari Samani; saeideh menbari; sadat feiznia; gholamabbas kazemi

Volume 73, Issue 1 , June 2020, , Pages 167-181


  This research tries to show the role and importance of karst formations in the infiltration of surface flows and recharge of groundwater resources in the region by determining the lineaments of geological formations in watersheds leading to the Persian Gulf and explaining the relative contribution of ...  Read More

Determining of effective factors on Karstic springs of central Elburze region

Aliakbar Nazari Samani; mahmoud samadi; arash malekian

Volume 72, Issue 3 , December 2019, , Pages 853-863


  For developing of water resources a lot of different factors (such as: geological structure, faults, joints and geomorphological metrics) are important. This research tried to assess the effects of geomorphology on karstic water resources in central Elburz region. Geomorphometrics indices were prepared ...  Read More

Landform classification of karstic area by Goemorphometric Index and Artificial Neural Network (Case study: A part of Korram Abad, Biran Shahr and Alashtar Watersheds)

Alireza Sepahvand; Hasan Ahmadi; Aliakbar Nazari Samani; Sebastiano Trevisani

Volume 72, Issue 1 , June 2019, , Pages 107-122


  The geomorphometric indexes have been widely used for separation of surface landform features in the geomorphology science over the past decades. In this study, Multilayer Perceptron Neural Network (MPNN) was used to provide karstic landform classification. To that regard, initially, geomorphometric ...  Read More

The Role of Climate Variability on Spatio_temporal of Rainfall Erosivity (A Case Study: Fashand Drainage Basin)

Aliakbar Nazari Samani; Behnaz Zarrin; Shahram Khalighi sigaroudi

Volume 72, Issue 1 , June 2019, , Pages 279-290


  Rainfall erosivity (RE) energy is an important factor on the soil detachment and transition of them implying an important role on the regional potential region erosion. . In this study SPI index was used in order to determine the climate condition and its consequent effects on RE in Fashand watershed, ...  Read More

Modeling of Geometrical characteristics of gully erosion (Case study: Ilam province)

ghobad rostamizad; ali salageghe; ali akbar nazari samani; jamal ghodoosi

Volume 71, Issue 4 , March 2019, , Pages 915-928


  One of the types of water erosion and land degradation which causes imbalance, is the gully erosion phenomenon. Land degradation, a broken ecological balance of the land and landscape and risk of falling at biological resources in these areas, the study of the gully, is inevitable and necessary especially ...  Read More

Determination of climate generators potential in climate data production in area with data limitation (Case study: north and northeast of Iran).

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Volume 71, Issue 1 , June 2018, , Pages 189-204


  Stochastic climate generators are used in many studies such as application of hydrologic, environmental management and assessment of agriculture risk. These studies require for assessment of risk to long term series from meteorological data. Considering of climate data limitation at large area in Iran ...  Read More

Assessing the effectiveness of the analytic hierarchy process as a groundwater predicting tool (Case study: Ghorve-Dehgolan plain)

Omid Rahmati; Aliakbar Nazari Samani; Mohammad Mahdavi

Volume 70, Issue 4 , January 2018, , Pages 869-879


  Determination of groundwater potential in respect to increasing trend of water demand in Iran, is found to be an unavoidable and vital subject. The present research was aimed to assess the efficiency analytical hierarchical process (AHP) to identify potential groundwater zones. Initially, five parameters ...  Read More

Assessment of application of gridding technique and AHP method for zonation of artificial recharge (Case Study: Chamshor watershed, Kurdistan)

Omid Rahmati; Aliakbar Nazari Samani; Nariman Mahmoodi; bahram choubin

Volume 70, Issue 3 , December 2017, , Pages 681-693


  One of the techniques to eliminate groundwater resources crisis is to carry out artificial recharge projects, which cause infiltration of water from the surface into the aquifer and balance of the water table. An appropriate site selection for artificial recharge is one of the most important steps in ...  Read More

Application of a logistic regression to assessing and mapping frequency of Springs in karst regions (Case study: Bojnourd Basin)

Ali Akbar Nazari Samani; alireza oliaye; sadat feiznia

Volume 70, Issue 3 , December 2017, , Pages 791-803


  Assessment frequency of springs has become an important issue for land use planning, especially water resource identification and environmental protection.The purpose of this study is to produce a spring occurrence potential map in Bojnourd Basin, based on a logistic regression method using Geographic ...  Read More

Investigation of the role of Structural elements on the water resource abundance in the Maharloo Karst region using RS and GIS

sara Edrisnia; Ahmad Pahlevanroy; Alireza Moghadamnia; Aliakbar Nazarisamani; Abas Miri

Volume 70, Issue 2 , August 2017, , Pages 263-275


  In Low rainfall, dry areas such as Iran that surface fresh water resources are limited and this water is exposed to pollution risk, finding and preserving underground water supplies is the best way for removing water needs. In addition, in some parts of Iran, climate and tectonic structure have created ...  Read More

Anticipating of spatial changes trend of land uses based on the cellular automaton-Markov model in Kessillian watershed

M Zare; Aliakbar Nazari Samani; shahram khalighi; javad bazrafshan; mohsen hasan joury

Volume 70, Issue 2 , August 2017, , Pages 373-383


  Land use Changes have recently been increasing due to anthropogenic and climatic factors. Natural resources management critically needs land use maps and simulation of its changes for understanding the interaction and relationship between humans and natural phenomena, as well as for making premium decisions. ...  Read More

Suspended sediment fingerprinting and uncertainty estimation (Case study: Zidasht-Fashandak sub-watershed in Taleghan)

aboalhasan fathabadi; Ali Salajegheh; hamid pezeshk; Aliakbar Nazari Samani; hamed rouhani

Volume 70, Issue 1 , June 2017, , Pages 57-69


  In order to manage and implement conservational activities in watershed successfully, it is necessary to determine the sediment sources. In recent years, sediment fingerpering techniques have been used for estimating sediment sources contribution. With respect to small source samples, having many answer ...  Read More

Technical assessment of watershed operating steps in sologan aquifers basin

golaleh ghaffari; Hasan Ahmadi; Omid Bahmani; Ali Akbar Nazari Samani

Volume 70, Issue 1 , June 2017, , Pages 169-180


  Although more than 45 years has passed since the first time operating watershed projects were run inside the country and considering the increasing budget that is being allocated to such projects, terrible soil erosion, natural resource degradation and the dazzling and painful consequences of such events ...  Read More

Determining the most important geomorphometric parameters in classification of desert plains with using artificial neural networks and sensitivity analysis

Gholamreza Zehtabian; Hassan Ahmadi; Aliakbar Nazari Samani; amir houshang ehsani; Mahdi Tazeh

Volume 70, Issue 1 , June 2017, , Pages 197-206


  Plains are one of the most important geomorphological units and different parameters have been considered for classification of plain areas. One of most common classifications in natural resources studies in Iran entailing different qualitative and quantitative factors is: bare plains, apandazh plain ...  Read More

Comparative Study of the Hydraulic Thresholds of Gully Erosion Flow in Different Land Uses (Case Study: Ghasreshirin, Kermanshah, Iran)

Khosro Shahbazi; ali salajagheh; mohammad jafari; hassan ahmadi; ali akbar nazari samani; mohammad khosro shahi

Volume 69, Issue 4 , March 2017, , Pages 931-947


  Negative impacts of gully erosion in marl areas are severe due to improper landuse practices such as irrigation, tillage, overgrazing and degradation of vegetation cover.  The objective of this research was to evaluate hydraulic flow thresholds of gully erosion in the agriculture (AG), fair rangeland ...  Read More

Application of IUCN method in watershed sustainability condition assessment (Case study: Talleghan-Zidasht1)

Omid Asadi Nalivan; Mohsen Mohseni Saravi; Ghavamodidn Zahedi Amiri; Ali Akbar Nazari Samani

Volume 69, Issue 3 , December 2016, , Pages 543-559


  Sustainability is a concept that emphasizes substantially on investments conservation (natural, social and economic) toward intra-generation equity. When sustainable development is achieved an overlapping is created between ecological, economic and social classes. The goal of this study is to measure ...  Read More

Comparison of Effective Factors on Landslide Hazard in Two Spatial Scales through Multiple Regressions(Case Study: Taleghan Watershed)

Elham Meshkati; Hassan Ahmadi; Aliakbar Nazari Samani; M.H Davoodi

Volume 69, Issue 1 , June 2016, , Pages 201-210


  Landslide occurs inevitably and naturally in many slopes due to sensitive formations, moisture, andother factors. Taleghan watershed is prone to landslide due to the presence of huge Miocene marlmasses. After construction of Taleghan reservoir dam, moisture and ecological condition of theregion changed. ...  Read More

Determining of landuse effects on sediment yield of watershed through sediment fingerprinting technique of suspendedload and bed materials in Taleghani catchment, Khorram Abad

Kazem Nosrati; Frouzan Ahmadi; Ali Akbar Nazari Samani; Mohammad Reza Servati

Volume 68, Issue 4 , January 2016, , Pages 751-765


  Soil erosion is one of the most destructive phenomena which cause significant ecological changes in many areas. Soil conservation and erosion control is essential because of the irreparable damage caused by soil erosion. Soil conservation programs will not achieve until to find adequate methods of combating ...  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

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