Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 33 (2019)
Volume 32 (2018)
Volume 31 (2017)
Volume 30 (2016)
Volume 29 (2015)
Volume 28 (2014)
Volume 27 (2013)
Volume 26 (2012)
Volume 25 (2011)
Volume 24 (2010)
Volume 23 (2009)
Volume 22 (2008)
Research Article
Numerical Study of Factors Affecting Distribution of None-Equilibrium Suspended Sediment in Natural Rivers (Case Study: Gharasoo River, Kermanshah)

R. Ghobadian; H. Shekari

Volume 34, Issue 2 , May and June 2020, Pages 241-253


  Introduction: The concentration changes of suspended load along the river reach and the contributing factors are of importance for hydraulic and environmental engineers. The first step to calculate the concentration of suspended sediment load is determining the flow hydraulic characteristics along a ...  Read More

Research Article
Understanding Water-Food-Energy Nexus and their Management for the Utilization of the Existing Water Resources

M.R. Goodarzi; R. Piryaei; M.R. Moosavi

Volume 34, Issue 2 , May and June 2020, Pages 255-268


    Introduction: Due to climate change that is happening, the security of water and food in Iran has caused many worries, which include small towns like Boroujerd. A comprehensive assessment is necessary as well as the productivity of water resources, because it can provide information for government ...  Read More

Research Article
Aimulation of Seawater Intrusion in Coastal Aquifers (Case Study: the Southern Shores of the Caspian Sea)

M. Nasiri; M. Hamidi; H. Kardan Moghaddam

Volume 34, Issue 2 , May and June 2020, Pages 269-286


  Introduction: The issue of seawater intrusion has become an environmental problem considering the increasing trend in groundwater extraction from coastal aquifers. Increased groundwater exploitation and lack of coastal aquifers management have caused seawater intrusion into coastal aquifer. The intrusion ...  Read More

Research Article
The Zoning of Kermanshah Province Townships Based on Virtual Water Content and Value among Major Crops

N. Afshar Bakeshloo; K. Zarafshani; B. Farhadi Bansouleh

Volume 34, Issue 2 , May and June 2020, Pages 287-300


  Introduction: Kermanshah Province with one million hectares of arable land play an important role in food security and economy of Kermanshah province. For example, Kermanshah province holds third in wheat yield per hectare; second in chickpea production; third in maize production; third in sugar beet ...  Read More

Research Article
Investigating the Effect of Urmia Lake Water-level Fluctuations on Groundwater Level Changes Trend

M. Motallebian; H. Ahmadi; A. Rauf; N. Cartwright

Volume 34, Issue 2 , May and June 2020, Pages 301-316


  Introduction: Aquifers are the major source of freshwater in many parts of the world. Saltwater intrusion (SWI) is a serious environmental issue since 80% of the world’s population live along the coast and utilize local aquifers for their water supply. Globally, coastal aquifers are under threat from ...  Read More

Research Article
Evaluation of Inter-basin Water Transfer Project Scenarios to Central Plateau of Iran Employing COPRAS Multi-criteria Decision Making Method

H. Ghased; A. Roozbahani; M. Hashemy Shahedany

Volume 34, Issue 2 , May and June 2020, Pages 317-332


  Introduction: Inter-basin water transfer projects include essential, various, complex parameters where mostly have a qualitative inherent. Making an appropriate decision on these projects have not been convenient due to diverse impacts and effectiveness of the parameters as well as irregular and qualitative ...  Read More

Research Article
Estimation of the Joint Frequency of Peak Flow Discharge-Suspended Load of Zarinehrood Basin Using Two-Dimensional Analysis

M. Nazeri Tahroudi; Y. Ramezani; C. De Michele; R. Mirabbasi Najafabadi

Volume 34, Issue 2 , May and June 2020, Pages 333-347


    Introduction: The erosion, sediment transport, and estimation problems in the streamflow are the most complicated and essential subjects in the river engineering studies. It is important to model and predict these parameters correctly to determine the effective life of the hydraulic structures ...  Read More

Research Article
Simulation of Wetted Area of Moisture Bulb in Pulsed Drip Irrigation

B. Karimi; N. Karimi

Volume 34, Issue 2 , May and June 2020, Pages 349-364


  Introduction: Among irrigation methods, a drip irrigation system (surface and subsurface) is more acceptable in arid and semi-arid regions due to high water use efficiency and potential crop yield. Pulse drip irrigation (with suitable management practices) is one of the drip irrigation methods (includes ...  Read More

Research Article
Comparison of the Symbiotic Organisms Search Algorithm with Meta-Heuristic Algorithms in Flood Routing Model

S. Khalife; S.A. Esmaili; K. Esmaili; S.R. Khodashenas

Volume 34, Issue 2 , May and June 2020, Pages 365-378


  Introduction: Flood is a natural phenomenon that can cause numerous financial and life casualties in civil, industrial, and agricultural areas. Therefore, knowing its characteristics such as its peak during a period and in different places of the river is of the utmost importance. In general, forecasting ...  Read More

Research Article
Evaluating the Correlation of Soil Characteristics with Potassium Q/I Curve Parameters in Some Calcareous Soils of Lorestan Province

M. Mosapour; A. Forghani; A. Sabouri

Volume 34, Issue 2 , May and June 2020, Pages 379-391


  Introduction: Potassium is the second essential nutrient for plants. Potassium has a high abundance in the soil, but only a small part of it can be used. The principal forms of potassium in the soil are solution potassium, exchangeable potassium, non-exchangeable potassium, and structural potassium. ...  Read More

Research Article
Effect of Mycorrhizal Fungus Application on Some Biochemical Characters of Wheat Cultivars in Lead Contaminated Soil

K. Kiani Jam; M.R. Bihamta; D. Habibi; A. Asgharzadeh; A. Saremirad

Volume 34, Issue 2 , May and June 2020, Pages 393-408


  Introduction: Nowadays, increasing soil contamination by heavy metals is one of the most important issues around the world, and is the focus of attention. Lead as the most dangerous heavy metal and persistent chemical pollutant affects the environment, especially the metabolic and physiological activities ...  Read More

Research Article
The Ability of Iron-Impregnated Biochar in the Supply of Iron and Correction of Soybean Iron Chlorosis in a Calcareous Soil

J. Khallizadeh; E. Dordipour; M. Baranimotlgh; A. Gharanjiki

Volume 34, Issue 2 , May and June 2020, Pages 409-422


    Introduction: Iron deficiency is one of the most important nutritional disorders in plants, particularly in calcareous soils and deeply affects the yield and quality of the product. Due to the major role of iron in the synthesis of chlorophyll, chlorosis occurs in young leaves in deficiency conditions. ...  Read More

Research Article
Effects of Artificial and Natural Nitrification Inhibitors on Plant Growth Characteristics and Nitrate Uptake by Lettuce

S. Sangsefidi; A. Lakzian; A.R. Astaraei; M. Banayan; M. Mazhari

Volume 34, Issue 2 , May and June 2020, Pages 423-437


  Introduction: Nitrification inhibitors are compounds that slow biological oxidation of ammonium to nitrite by reducing the activity of Nitrosomonas bacteria, without affecting the subsequent oxidation of nitrite to nitrate, either by inhibiting or interfering with the metabolism of nitrifying bacteria. ...  Read More

Research Article
Effects of Phosphorus on Grain Yield and Phosphorus Efficiency Indices in Canola Cultivars in Kermanshah Region

J. Ghaderi; F. Nourgholipour

Volume 34, Issue 2 , May and June 2020, Pages 439-453


  Introduction: Due to the compatibility of canola with different conditions, economic value, its price and importance of rotation with cereals, it has the highest level of cultivation area among the oilseed crops in Iran. Phosphorus (P) deficiency is a widespread macronutrient deficiency and is one of ...  Read More

Research Article
Effect of Forest and Pasture Land Uses on Interrill Erosion and Some of Soil Physical Properties in Southeastern Iran

A. Sharifi; H. Shirani; A.A. Besalatpour; E. Esfandiarpour

Volume 34, Issue 2 , May and June 2020, Pages 455-469


  Introduction: Interrill erosion is one of the major types of erosion playing key role in the transport of fine particles of the soil, particularly in arid and semi-arid regions, which leads to the decrement of soil fertility and surface water pollution. Land-use change is one of the main ways which reflect ...  Read More

Research Article
The Effect of Soil Parameters on Phosphorous Adsorption Coefficients in Heavy Soils of Different Areas of Qazvin Plain

B. Kamali; A. Mahdavi; A. Sotoodehnia

Volume 34, Issue 2 , May and June 2020, Pages 471-483


  Introduction: Over application of phosphorous-containing fertilizers is common among the farmers. Excess amounts of phosphorus can potentially cause more phosphorous losses through water flow on the soil surface or leaching into the soil profile. The ability of highly phosphorus-fertilized soils to maintain ...  Read More

Research Article
Comparison of Single-source and Two-source Algorithms for Estimating Evapotranspiration in Borazjan

B. Bahmanabadi; A. Kaviani

Volume 34, Issue 2 , May and June 2020, Pages 485-499


  Introduction: The exact estimation of evapotranspiration has significant importance in the programming of irrigation development and other distribution systems and water usage. Since the main user of water in the country is the agriculture sector, therefore, the exact estimation of plants’ water demand ...  Read More

Research Article
Assessment of the Performance of the Global Land Data Assimilation System (GLDAS) in Estimating Daily Surface Solar Radiation in Iran

Nooshin Ahmadibaseri; A.A. Sabziparvar; M. Khodamoradpour; L. Alados Arboledas

Volume 34, Issue 2 , May and June 2020, Pages 501-513


    Introduction: Surface Solar Radiation (SSR) as the largest source of land-surface energy is an important parameter in meteorological and climatological studies. Limitations in ground-based measurements have encouraged the users to approach low cost and reliable methods to estimate radiation components, ...  Read More