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)
Investigating the effect of the construction of the new Hashtgerd - Taleghan road in Alborz province on the amount of erosion and sediment production using the WARSEM model

Seyed Majid Reza Hosseini Mofrad; Hassan Ahmadi; Ali Akbar Mehrabi; Baharak Motamedvaziri

Volume 76, Issue 3 , November 2023, , Pages 237-251

https://doi.org/10.22059/jrwm.2023.354414.1694

Abstract
  For this purpose, according to Cochran's equation, from Hashtgerd-Taleghan asphalt road 26 km long and Hashtgerd-Taleghan dirt road 9 km long, road sedimentation was calculated with 17 and 11 samples, respectively, and finally, using statistical relationships, the erosion rate was calculated. And sedimentation ...  Read More

Assessing the degree of sensitivity and estimating the possible damage of Shemshak basin in case of avalanche using HEV model

Ali Rajaee; Baharak Motamedvaziri; Aliakbar Nazariye samani; Hasan Ahmadi

Volume 74, Issue 4 , March 2022, , Pages 747-769

https://doi.org/10.22059/jrwm.2022.315196.1554

Abstract
  In this study, 18 variables affecting avalanches have been studied. These variables are related to the conditions: geomorphological and topographic, climatic, snow and also Some activities are related to human factors. In this study, the avalanche risk map was prepared and analyzed using the risk model ...  Read More

Investigating the effect of Marl's physical and chemical properties on the amount and forms of erosion (Case study: Aoun Ibn Ali – Tabriz' s Sorkhab)

Saeed Pourheadari; Hassan Ahmadi; ِAbolfazl Moeini; Sadat Feiznia; Mohammad Jafari

Volume 73, Issue 3 , December 2020, , Pages 473-487

https://doi.org/10.22059/jrwm.2019.265611.1299

Abstract
  Due to physical and chemical composition and lack of vegetation cover and therefore less organic matter, Marlons formations are the most sensitive formations to erosion, so that by removing the particles of the soil and transporting their to the lower regions, cause different forms of erosions. Due to ...  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

https://doi.org/10.22059/jrwm.2019.205078.999

Abstract
  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

Studying the effectiveness of some non-oil mulches on sand dunes fixation

Salman Zare; Mohammad Jafari; Hassan Ahmadi; Hasan Rouhipour; Reza Khalil Arjomandi

Volume 71, Issue 4 , March 2019, , Pages 939-948

https://doi.org/10.22059/jrwm.2018.264506.1294

Abstract
  In this regard, the present study aimed to evaluate the performance of some of the non-oil mulch to stabilize sand dunes in the Kashan's Rig-boland desert. monthly surveys are conducted in the desert areas. To evaluate the effect of mulch on stabilizing the sand dunes, the effect stabilization index ...  Read More

Performance evaluation of different estimation methods of suspended sediment load by sediment rating curve in Sefidrood watershed

sedigeh mohamadi; Ali Salajegheh; Hassan Ahmadi; Jamal Ghoddousi; Ali Kianirad

Volume 70, Issue 4 , January 2018, , Pages 977-990

https://doi.org/10.22059/jrwm.2018.22911.

Abstract
  Suspended sediment load is the biggest non-point pollution source and a major factor of degradation of surface water quality. Because of hydraulic models of sediment transport can not predict the suspended sediment load, sediment rating curves as usual hydrological methods are utilized spread for this ...  Read More

Physico-Chemical Properties and Mineralogical Assessment of Aerosols and Dust Particles throughout the Western Iran(Case Study: Abadan & Urmia Cities)

Hesam Ahmady-Birgani; Sadat Feiznia; Hasan Mirnejad; Hassan Ahmadi; Ken Mc Queen; Mohammad Ghorban Pour

Volume 70, Issue 3 , December 2017, , Pages 551-567

https://doi.org/10.22059/jrwm.2017.22957.

Abstract
  This study investigates the mineralogy and physico-chemical properties of atmospheric particulates collected at Abadan (southwestern Iran) near the Persian Gulf coast and Urmia (northwestern Iran) during ambient and dust events over 6 months (winter 2011; spring 2012). Particle sizes collected were: ...  Read More

Estimation of sediment yield of landslide by SHETRAN Model, case study: Zidasht (2) Drainage Basin of Taleghan.

Mozafar Ansari; Sadat Feiznia; Hassan Ahmadi; MohammadAli Fattahi Ardekani

Volume 70, Issue 3 , December 2017, , Pages 605-617

https://doi.org/10.22059/jrwm.2017.22864.

Abstract
  Soil is one of the most vital natural resources in any country. Nowadays, lands are rarely found worldwide without having severe erosion problem. Landslide is one of the soil erosion processes in which a huge volume of soil is washed away. SHETRAN Model was used in this study to assess the landslides ...  Read More

Evaluation of groundwater changes in an arid shallow aquifer using groundwater level, electrical conductivity and temperature time series analysis

hamid hosseyni marandi; mohammad mahdavi; hasan ahmadi; baharak motamed vaziri; abdolali adelpour

Volume 70, Issue 3 , December 2017, , Pages 633-645

https://doi.org/10.22059/jrwm.2017.30294.556

Abstract
  Abstract Common causes for groundwater quantity and quality changes are infiltration through the seasonal floodwater, effects of the artificial recharge projects and adjacent aquifers, and groundwater extraction for deferent uses. However, recognizing the impact of their contributions to these changes ...  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

https://doi.org/10.22059/jrwm.2017.61976

Abstract
  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

https://doi.org/10.22059/jrwm.2017.61191

Abstract
  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

Optimizing the rate of contribution of different sources in sediment yield of loess areas(Case study: Kechik Catchment)

Ali Fazlollahi; Ali Salajegheh; Sadat Feiznia; Hassan Ahmadi

Volume 69, Issue 3 , December 2016, , Pages 647-660

https://doi.org/10.22059/jrwm.2016.61507

Abstract
  Sediment fingerprinting is a method for identifying sediment sources and determining the rate of contribution of each source. In this method, the natural tracer technology is used, that combined from samples collection, laboratory analyzing and statistical modeling. The natural tracers are measured in ...  Read More

Identification of Homogenous Watershed Basins for Estimating Soil Erosion and Sediment Yield Applying Different Methods of Cluster Analysis (Case study: North Alborz)

nasim arman; Ali Salajegheh; Sadat Feiznia; Hassan Ahmadi; Jamal Ghoddousi; ali kiani rad

Volume 69, Issue 2 , July 2016, , Pages 261-273

https://doi.org/10.22059/jrwm.2016.61682

Abstract
  Identification of homogenous watershed sub basins allows generalization of environmental study results. For this purpose, first available data for 27 selected watersheds in North Alborz regarding 21 variables including physiographic and climatic characteristics was gathered. The most important factors ...  Read More

Relationship between Aggregate Stability and Selected SoilProperties in Taleghan Watershed

Mohsen Armin; hasan rouhipour; Hassan Ahmadi; Ali Salajegheh; mohammad Hossein Mahdian; vajihe ghorban nia kheybari

Volume 69, Issue 2 , July 2016, , Pages 275-295

https://doi.org/10.22059/jrwm.2016.61683

Abstract
  Knowledge of soil components controlling aggregate stability is very important to soil structure conservation. Also, identification of the critical soil properties affecting aggregate stability is central to understanding where erosion might be located within a catchment as a result of natural patterns ...  Read More

Evaluation of GOCART Scheme for Simulating PM10

hossein mohammad asgari; shahram khalighi sigarodi; Parviz Irannejad; Hassan Ahmadi; Arash Malekian

Volume 69, Issue 2 , July 2016, , Pages 461-473

https://doi.org/10.22059/jrwm.2016.61696

Abstract
  Aerosol impact on people health, social and economic activities, land and water ecosystems and meteorological parameter. The GOCART scheme was evaluated for simulating PM10 in this study. GOCART was run into WRF model as a host model. Reanalysis data from FNL for every 6 hour was used for initial conditions. ...  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

https://doi.org/10.22059/jrwm.2016.61744

Abstract
  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

Assessment of aggregate stability and determination of instability mechanism of marly soils in Taleghan watershed

Mohsen Armin; Hassan Ahmadi; hasan Rouhipour; Ali Salajegheh; mohammad Hossein Mahdian; Vajihe Ghorban nia kheybari

Volume 68, Issue 4 , January 2016, , Pages 691-710

https://doi.org/10.22059/jrwm.2015.56952

Abstract
  Due to the constraints in determining of soil susceptibility to water erosion or soil erodibility through field tests, use of laboratory methods on small soil samples, are easy to implement and far less expensive and time-consuming. among different laboratory methods based on the soil properties, those ...  Read More

Evaluation of Desertification based on climate and water criteria (Case study: Kashan plain)

Reyhaneh Masoudi; Gholamreza Zehtabian; Hassan Ahmadi; Shahram Khalighi sigarudi

Volume 68, Issue 4 , January 2016, , Pages 711-723

https://doi.org/10.22059/jrwm.2015.56953

Abstract
  Desertification is a major problem in many countries. International efforts have been considered to combat and prevent this phenomenon. The most important cases of these measures are the United Nations Convention to Combat Desertification. In this study, IMDPA model and GIS were used to assess desertification ...  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

https://doi.org/10.22059/jrwm.2015.56139

Abstract
  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

https://doi.org/10.22059/jrwm.2015.56140

Abstract
  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

Effect of slope length on spatially variation of concentration

Ali Golkarian

Volume 67, Issue 4 , May 2015, , Pages 587-601

https://doi.org/10.22059/jrwm.2015.53476

Abstract
  Erosion is one of the important factors in soil degradation and decrease fertility and slope length is one of the most effective factors in land form and amount of erosion. The objective of this study was investigation of spatially variation of sediment concentration in slope length until to receive ...  Read More

Assessment of Current Desertification Status using IMDPA and Determination of Effective Factors of Land Degradation (Case Study: Damghan region)

shima nikoo; Hossein Azarnivand; Gholam Reza Zehtabiyan; Hasan Ahmadi; Mohammad Ali Zare Chahouki

Volume 67, Issue 4 , May 2015, , Pages 641-655

https://doi.org/10.22059/jrwm.2015.53480

Abstract
  Combating desertification which is a serious threat for the environment and human welfare requires understanding complex issues of this phenomenon using evaluation, awareness of severity of it's processes and determination of it's factors. So here, after recognizing the characteristics of the region ...  Read More

Spatial variability of rainfall erosivity indices using geostatistics in Khouzestan Province

Hossein Eslami; Ali Salajagheh; Shahram Khalighi sigaroudi; hasan Ahmadi; Shamsollah Ayoubi

Volume 67, Issue 3 , December 2014, , Pages 393-406

https://doi.org/10.22059/jrwm.2014.52829

Abstract
  Rainfall erosivity is the ability of rainfall to detach the soil particles. This study was conducted to evaluate spatial variability of rainfall erosivity indices in Khouzestan Province. The point data of indices (EI30, AIm, KE>1 and Onchev indices) in 74 stations were used to generate spatial erosivity ...  Read More

Quantity assessment of water erosion intensity using regional model of erosion and sediment yield (Case study: Nir watershed, Ardebil)

Abazar Esmali; Hasan Ahmadi; Mohammad Tahmoures

Volume 67, Issue 3 , December 2014, , Pages 407-417

https://doi.org/10.22059/jrwm.2014.52830

Abstract
  The aim of this research is to describe the development of a methodology based on present knowledge and available data for evaluation of water erosion behavior and risk as well as modeling and estimation of soil erosion, which is compatible for other similar areas of Iran. Accordingly, the conducted ...  Read More

An investigation on the effect of floodwater spreading on physicochemical soil attributes (Case study: Gachsaran Floodwater spreading station)

Mohsen Padyab; Sadat Feiznia; Hassan Ahmadi; Ardeshir Shafei

Volume 67, Issue 2 , July 2014, , Pages 177-187

https://doi.org/10.22059/jrwm.2014.51825

Abstract
  Small precipitation with temporal and spatial variation of rainfall is the main responsible factors on flood occurrence in arid and semi arid regions. Floods in their regions usually contain high concentration of sediments which when they are deposited on the surface of lands, they change the properties ...  Read More