Volume 38 (2024)
Volume 37 (2023)
Volume 36 (2022)
Volume 35 (2021)
Volume 34 (2020)
Volume 33 (2019)
Volume 32 (2018)
Volume 31 (2017)
Volume 30 (2016)
Volume 28 (2014)
Volume 27 (2013)
Volume 26 (2012)
Volume 25 (2011)
Volume 24 (2010)
Volume 23 (2009)
Volume 22 (2008)
Research Article
Lysimetric Determination of Cuminum Crop Coefficients during Different Growth Stages in Region of Birjand

N. Reyhani; Abbas Khashei siuki

Volume 29, Issue 5 , November and December 2015, Pages 1047-1056


  Introduction: Water is one of the most important factors limiting agricultural developments in arid and semiarid regions in the world. To avoid and exit from water crisis, a proper agricultural and water resource management is required. One of the important parameters in this regard, is determination ...  Read More

Research Article
Determining the Most Compatible Method for Estimating Infiltration Parameters in Mathematical Furrow Irrigation Models

samira akhavan; A. Mahdavi

Volume 29, Issue 5 , November and December 2015, Pages 1057-1069


  Introduction: Surface irrigation is still the most used method. For accessing to high efficiency, irrigation requires careful design and correct implementation. In addition, the design and evaluation of these systems require the identification of the advance, recession, and infiltration curves. Infiltration ...  Read More

Research Article
Calculation of Longitudinal Dispersion Coefficient and Modeling the Pollution Transmission in Rivers (Case studies: Severn and Narew Rivers)

A. Parsaie; A.H. Haghiabi

Volume 29, Issue 5 , November and December 2015, Pages 1070-1085


  Introduction: The study of rivers’ water quality is extremely important. This issue is more important when the rivers are one of the main sources of water supply for drinking, agriculture and industry. Unfortunately, river pollution has become one of the most important problems in the environment. ...  Read More

Research Article
Open Drainage and Detention Basin Combined System Optimization

M. E. Banihabib; S. Mirmomen; M. Eivazi

Volume 29, Issue 5 , November and December 2015, Pages 1086-1094


  Introduction: Since flooding causes death and economic damages, then it is important and is one of the most complex and destructive natural disaster that endangers human lives and properties compared to any other natural disasters. This natural disaster almost hit most of countries and each country depending ...  Read More

Research Article
The effect of continuous natural roughness onhydraulic jump characteristics on the stone ramps

M. F. Maghrebi; B. Mirzendehdel

Volume 29, Issue 5 , November and December 2015, Pages 1095-1104


  Introduction: The hydraulic jump happens when flow transfers from supercritical regime to subcritical regime. The hydraulic jump on smooth bed is called the classic hydraulic jump. One way to increase the energy dissipation in a hydraulic jump is to roughen the bed. Elements including stabilizers and ...  Read More

Research Article
The Free Overfall in Circular Sections with Different Flat Base in Supercritical and Subcritical Flow Regimes

A.R. Vatankhah; S. Kiani; S. Riahi

Volume 29, Issue 5 , November and December 2015, Pages 1105-1106


  Introduction: A free overfall offers a simple device for flow discharge measuring by a single measurement of depth at the end of the channel yb which is known as the end depth or brink depth. When the bottom of a channel drops suddenly, the flow separates from sharp edge of the brink and the pressure ...  Read More

Research Article
Development of a Fuzzy Water Quality Index (FWQI) – Case study: Saveh Plain

S.M. Hosseini-Moghari; K. Ebrahimi

Volume 29, Issue 5 , November and December 2015, Pages 1117-11130


  Introduction: Groundwater resources are the main source of fresh water in many parts of Iran. Groundwater resources are limited in quantity and recently due to increase of withdrawal, these resources are facing great stress. Considering groundwater resources scarcity, maintaining the quality of them ...  Read More

Research Article
Converting Surface Irrigation to Pressurized Irrigation Systems and its Effecton Yield of OrangeTrees (Case Study:North of Khouzestan)

M. Khorramian

Volume 29, Issue 5 , November and December 2015, Pages 1131-1142


  Introduction: North of the Khouzestan is one of the most important citrus production center. Usually border irrigation is used to irrigate citrus in this area. This system has generally low application efficiency. Several investigations in other arid region have demonstrated in addition to improved irrigation ...  Read More

Research Article
Determination of Empirical Parameters of Revised SCS Method for Furrow Irrigation

M. Ghahremannejad; Saeid Boroomand Nasab; AbdAli Naseri; A. Sheini Dashtegol

Volume 29, Issue 5 , November and December 2015, Pages 1143-1157


  Introduction: Infiltration is the most important physical properties of agricultural soils. Infiltration families are general relationships that attempt to categorize the infiltration behavior of soils. Walker et al. (2006) discussed the assumptions and procedures used to develop the original NRCS families. ...  Read More

Research Article
Title:Evaluation of Optimal Water Allocation Scenarios for Bar River of NeishabourUsing WEAP Model Under A2 Climatic Changes Scenario

Gh. Ghandhari; J. Soltani; M. Hamidian Pour

Volume 29, Issue 5 , November and December 2015, Pages 1158-1172


  Introduction: The rapid population growth in Iran and the corresponding increases in water demands, including drinking water, industry, agriculture and urban development and existing constraints necessitate optimal scheduling necessity in use of this crucial source. Furthermore, the phenomenon of climate ...  Read More

Research Article
A Comparison of ASCE and FAO56 Reference Evapotranspiration at Different Subdaily Timescales: a Numerical Study

Farzin Parchami-Araghi; seyed majid mirlatifi; Shoja Ghorbani Dashtaki; Adnan Sadeghi-Lari

Volume 29, Issue 5 , November and December 2015, Pages 1173-1189


  Introduction: Subdaily estimates of reference evapotranspiration (ETo) are needed in many applications such as dynamic agro-hydrological modeling. The ASCE and FAO56 Penman–Monteith models (ASCE-PM and FAO56-PM, respectively) has received favorable acceptance and application over much of the world, ...  Read More

Research Article
Forecasting Shaharchay River Flow in Lake Urmia Basin using Genetic Programming and M5 Model Tree

S. Samadianfard; R. Delirhasannia

Volume 29, Issue 5 , November and December 2015, Pages 1190-1206


  Introduction: Precise prediction of river flows is the key factor for proper planning and management of water resources. Thus, obtaining the reliable methods for predicting river flows has great importance in water resource engineering. In the recent years, applications of intelligent methods such as ...  Read More

Research Article
Using Hierarchical Clustering in Order to Increase Efficiency of Self-Organizing Feature Map to Identify Hydrological Homogeneous Regions for Flood Estimation

F. Farsadnia; B. Ghahreman

Volume 29, Issue 5 , November and December 2015, Pages 1207-1218


  Introduction: Hydrologic homogeneous group identification is considered both fundamental and applied research in hydrology. Clustering methods are among conventional methods to assess the hydrological homogeneous regions. Recently, Self Organizing feature Map (SOM) method has been applied in some studies. ...  Read More

Research Article
Evaluation of Environmental Flows in Rivers Using Hydrological Methods (Case study: The Barandozchi River- Urmia Lake Basin)

S. Mostafavi; M. Yasi

Volume 29, Issue 5 , November and December 2015, Pages 1219-1231


  Introduction Development of water resources projects are accompanied by several environmental impacts, among them, the changes in the natural flow regime and the reduction of downstream water flows. With respect to the water shortages and non-uniform distribution of rainfall, sustainable management of ...  Read More

Research Article
Evaluating Reliability Index and Determining the Allocation Levels of Water Resources in Water User Association of Alborz Scheme

S.F. Hashemi; A. Shahnazari

Volume 29, Issue 5 , November and December 2015, Pages 1232-1246


  Introduction: Water allocation management should be performed in a way that the various practical irrigation parts and drainage networks remain stable. Thus, irrigation management transfer and participatory irrigation management have been proposed in more than 57 countries. Such issue along with institutional ...  Read More

Research Article
Measurement and Modeling of Cucumber Evapotranspiration Under Greenhouse Condition

R. Moazenzadeh

Volume 29, Issue 5 , November and December 2015, Pages 1247-1261


  Introduction: In two last decades, greenhouse cultivation of different plants has developed among Iranian farmers, approximately 45 percent of national greenhouse cultures consisting of cucumber, tomato and pepper. As huge amounts of agricultural water in Iran are extracted from groundwater resources ...  Read More

Research Article
Estimation of Rivers Dissolved Solids TDS by Soft Computing (Case Study: Upstream of Boukan Dam)

sarvin zamanzad ghavidel; K. Zeinalzadeh

Volume 29, Issue 5 , November and December 2015, Pages 1262-1277


  Introduction: A total dissolved solid (TDS) is an important indicator for water quality assessment. Since the composition of mineral salts and discharge affects the TDS of water, it is important to understand the relationship of mineral salts composition with TDS. Materials and Methods: In this study, ...  Read More

Research Article
Investigation of Water Holding Capacity of Sugarcane Mulch for Sand Dune Stabilization in Ahvaz

T. Jamili; B. Khalilimoghadam; E. Shahbazi

Volume 29, Issue 5 , November and December 2015, Pages 1278-1287


  Introduction: Wind erosion is one of the most serious problems in southwest Iran. Fine-grained structure of sand dunes with not enough strong composition and their low moisture retention property make them susceptible to wind erosion. They lack organic matter and are considered inherently of low fertility ...  Read More

Research Article
Inorganic Phosphorus Fractions and Their Relationships with Soil Characteristics of Selected Calcareous Soils of Fars Province

abolfazl azadi; M. Baghernejad; N. A. Karimian; S. A. Abtahi

Volume 29, Issue 5 , November and December 2015, Pages 1288-1296


  Introduction: Phosphorus (P) is the second limiting nutrient in soils for crop production after nitrogen. Phosphorus is an essential nutrient in crop production. Determination of forms of soil phosphorus is important in the evaluation of soil phosphorus status. Various sequential P fractionation procedures ...  Read More

Research Article
Total and Available Heavy Metal Concentrations and Assessment of Soil Pollution Indices in Selected Soils of Zanjan

M. Taheri; M. Esmaeili Aftabdari; T. Khoshzaman; M. Tokasi; M. Abbasi

Volume 29, Issue 5 , November and December 2015, Pages 1297-1308


  Introduction: Soil is a hardly renewable natural resource. Although soil degradation, caused by either human activities and natural processes is a relatively slow procedure, but its effects are long lasting and most often, irreversible in the time scale of man's life. Among the most significant soil ...  Read More

Research Article
Geostatistical Analyses of Soil Organic Carbon Concentrations in Aligodarz Watershed, Lorestan Province

hojjat ghorbani vaghei; M. Davari

Volume 29, Issue 5 , November and December 2015, Pages 1309-1319


  Introduction: Soil organic carbon (SOC) has great impacts on soil properties, soil productivity, food security, land degradation and global warming. Similar to other soil properties, SOC has a strong spatial heterogeneity as a result of dynamic interactions between parent material, climate and geological ...  Read More

Research Article
Determination of Natural and Anthropogenic Factors on Pollution of Heavy Metals in the Central Zanjan (Based on Multivariate Analysis)

A. Afshari; H. Khademi; P. Alamdari

Volume 29, Issue 5 , November and December 2015, Pages 1320-1332


  Introduction: Soil forms a thin layer over the surface of the earth that performs many essential life processes . Soil has always been important to humans and their health, providing a resource that can be used for shelter and food production. Higher heavy metals concentration within soils has beenshown ...  Read More

Research Article
Evaluation of Spatial-Temporal Variation of Soil Detachment Rate Potential in Rill Erosion, Case study: Doshmanziari Rainfed Lands, Fars province

H. Karimi; A. Lakzian; Gh. haghnia; H. Emami; M. Soufi

Volume 29, Issue 5 , November and December 2015, Pages 1333-1344


  Introduction: Soil erosion by water is one of the most widespread forms of land degradation and it has caused many undesirable consequences in last decades. On steep slopes, rill erosion is the most important type of erosion, which produces sediment and rill flow. It can be also considered as a vehicle ...  Read More

Research Article
The Assessment of Municipal Solid Waste (MSW) Compost Properties Produced in Sanandaj City with a View of Improving the Soil Quality and Health

Z. Sharifi; Mohammad Taaher Hossaini

Volume 29, Issue 5 , November and December 2015, Pages 1345-1359


  Introduction: the use of municipal solid waste (MSW) compost in agriculture as a soil conditioner is increasing day by day because of its positive effects on biological, physical, and chemical soil properties. However, some of the composts because of contamination with heavy metals and other impurities ...  Read More

Research Article
Study of Sage (Salvia officinalis L.) Cultivation in Condition of Using Irrigated Water Polluted By Cadmium and Lead

Sh. Amirmoradi; P. Rezvani Moghaddam; A. Koocheki; Shahnaz Danesh; A. Fotovat

Volume 29, Issue 5 , November and December 2015, Pages 1360-1375


  Introduction: Accumulation of heavy metals in agronomic soils continuously by contaminated waste waters not only causes to contamination of soils but also it affects food quality and security. Cadmium and lead are one of the most important heavy metals due to long permanence and persistence in soil can ...  Read More

Research Article
Comparative Assessment of SDSM, IDW and LARS-WG Models for Simulation and Downscaling of Temperature and Precipitation

Z. Dehghan; F. Fathian; S. Eslamian

Volume 29, Issue 5 , November and December 2015, Pages 1376-1390


  Introduction: According to the fifth International Panel on Climate Change (IPCC) report, increasing concentrations of CO2 and other greenhouse gases resulting from anthropogenic activities have led to fundamental changes on global climate over the course of the last century. The future global climate ...  Read More

Research Article
Forecasting and Analysis of Monthly Rainfalls in Ardabil Province by Arima, Autoregrressive, and Winters Models

B. Salahi; R. Maleki Meresht

Volume 29, Issue 5 , November and December 2015, Pages 1391-1450


  Introduction: Rainfall has the highest variability at time and place scale. Rainfall fluctuation in different geographical areas reveals the necessity of investigating this climate element and suitable models to forecast the rate of precipitation for regional planning. Ardabil province has always faced ...  Read More