-
Article
Fabricating pentaazatetraethylene modified sulfonated polyacrylamide for dye adsorption from aqueous media: isotherms and kinetics models
In this study, pentaazatetraethylene-modified sulfonated polyacrylamide (PAm-SO3-N5) was synthesized and used as a novel efficient adsorbent to remove calmagite from aqueous media. To this end, a central composit...
-
Article
Climate change impacts on the Nahavand karstic springs using the data mining techniques
Karst resources are sensitive to environmental changes, especially climate change. In this research, monthly data (years 1994–2020) were collected for five karstic springs, namely Famaseb (Sp1), Faresban (Sp2)...
-
Article
Optimal pricing of drinking water based on the average household income using a system dynamics approach
Proper planning, management of water resources, and improvement and development of management methods of water and sewerage network are essential for sustainable use of available water resources and prevention...
-
Article
Open AccessA new approach to use of wavelet transform for baseflow separation of Karst springs (case study: Gamasiyab spring)
Today, groundwater is the essential resource the whole water sector demands. The spring baseflow discharge analysis can significantly help us better manage water resources. This study was focused on the separa...
-
Article
Optimizing crop** pattern to improve the performance of irrigation network using system dynamics—Powell algorithm
One of the strategies for agricultural development is the optimal use of irrigation and drainage networks, which leads to higher productivity and economic benefits. In this regard, quantitative and qualitative...
-
Article
Seasonal variations of polycyclic aromatic hydrocarbons in coastal sediments of a marine resource hot spot: the case of pars special economic energy zone, Iran
Polycyclic aromatic hydrocarbons (PAHs) are an important group of compounds of major environmental concern, which are in the class of persistent organic pollutants. Therefore, the key purpose of this research ...
-
Article
Uncertainty Analysis of Reservoir Operation Based on Stochastic Optimization Approach Using the Generalized Likelihood Uncertainty Estimation Method
This study evaluated the reservoir operation for effective water allocation under uncertainty using linear programming (the water evaluation and planning model: WEAP) and evolutionary optimization (the particl...
-
Article
A multi-objective simulation–optimization approach for water resource planning of reservoir–river systems based on a coupled quantity–quality model
The allocation of Limited water resources, water quality, and environmental impacts are issues that necessitate proper planning for the exploitation of water resources. In the present study optimal operation o...
-
Article
Potential use of grapevine cv Askari for heavy metal phytoremediation purposes at greenhouse scale
Grapevine varieties possess desirable characteristics for phytoremediation purposes. We investigated the potential of grapevine cv Askari in phytoremediation of heavy metal (HM) pollutions. In total 80 grapevi...
-
Article
Ecological and health risks of soil and grape heavy metals in long-term fertilized vineyards (Chaharmahal and Bakhtiari province of Iran)
Heavy metal pollution in food-producing ecosystems resulting from long-term fertilizing and other agricultural practices is causing major concern due to its health risk potential for human and other organisms....
-
Article
Removal of Cr3+ ion from aqueous solutions using MgO and montmorillonite nanoparticles
This study describes the removal of Cr3+ ions from aqueous solutions by magnesium oxide (MgO) and montmorillonite nanoparticles (NPs). Optimum values of contact time, adsorbent dosage, temperature, and pH as well...
-
Article
Topography and Land Cover Effects on Snow Water Equivalent Estimation Using AMSR-E and GLDAS Data
Accurate predictions of snow characteristics have an essential function in water resources management, especially in the high mountainous areas. Remote sensing presents a possibility for snow characteristics o...
-
Article
Assessment of landfill leachate in semi-arid climate and its impact on the groundwater quality case study: Hamedan, Iran
To evaluate environmental impacts of solid waste landfilling, groundwater quality near the MSW landfill in a semi-arid climate of Iran (Hamedan) and its leachates were analyzed. To this aim, heavy metal concen...
-
Article
Modeling of Daily Rainfall Extremes, Using a Semi-Parametric Pareto Tail Approach
Various approaches have been widely proposed for simulation of the occurrence and the amount of daily rainfall. In this study, a piecewise distribution approach has been developed to improve extreme event amou...
-
Article
A robust multi-objective bargaining methodology for inter-basin water resource allocation: a case study
In this study, a new methodology is proposed to balance environmental and economic issues in water allocation under uncertainty. Two objective functions, including maximizing economic income (EI) and minimizin...
-
Article
Calibration of the Angström-Prescott solar radiation model for accurate estimation of reference evapotranspiration in the absence of observed solar radiation
The Angström-Prescott (AP) model is widely suggested for estimating global solar radiation (R s), especially for reference crop evapotranspiration (ET0) calculations. Many previous studies indicat...
-
Article
Using System Dynamics Method to Determine the Effect of Water Demand Priorities on Downstream Flow
During the past decades, the command and control approaches were used to access a safe water supply policy. However, traditional methods of water management rarely consider complex interactions and outcomes of...
-
Article
An Improved Estimation of the Angstrom–Prescott Radiation Coefficients for the FAO56 Penman–Monteith Evapotranspiration Method
The FAO56 Penman–Monteith (FAO56-PM) method is known as the standard method for estimating reference evapotranspiration (ET0) in a variety of climate types. Global solar radiation (Rs) is one of the essential inp...
-
Article
Watershed-wide trend analysis of temperature characteristics in Karun-Dez watershed, southwestern Iran
Trend estimation of climatic characteristics for a watershed is required to determine develo** compatible strategies related to design, development, and management of water resources. In this study, the tren...
-
Article
Open AccessTrend Analysis in Reference Evapotranspiration Using Mann-Kendall and Spearman’s Rho Tests in Arid Regions of Iran
In this research, temporal trends of reference evapotranspiration (ET0) values were investigated in arid regions of Iran. For this purpose, meteorological observations collected from 11 high quality meteorolog...
