Journal of New Approaches in Water Engineering and Environment

Investigating the optimal amount of chlorine consumption in the disinfection of the effluent of the Arak sewage treatment plant

Ashraf Ahmadloo; Zaihollah Khani Temeliyeh

Volume 2, Issue 2 , February 2024, Pages 1-22

https://doi.org/10.22034/nawee.2023.425409.1055

Abstract

Since chlorine is a highly toxic substance, if it is combined with organic elements in the wastewater, it causes the creation of odorous compounds and causes the creation of byproducts in the wastewater, and some of them are known as carcinogenic compounds. There are special parameters related to the ... Read More

A Study of the Effect of Pipe Diameter Reduction on the Flow Velocity and Pressure Drop in the Drakhovein Water Pipeline Using the WaterGEMS

parham joveili; Mohammad Heidarnejad

Volume 2, Issue 2 , February 2024, Pages 23-32

https://doi.org/10.22034/nawee.2023.394572.1040

Abstract

The Darkhovein Water System was commissioned in 1969 for supplying water to the port of Bandar-e Imam Knomeini and the Mahshahr Petrochemical Complex via the Kut-e Amir Pumping Station in Ahvaz. In addition, it has been the sole source of drinking water for Shadegan County, including villages. In this ... Read More

Investigation the role of socio-economic issues in the development of the desert Watersheds (Case study: Yazdanabad watershed, Kerman Province (

alijan abkar; hamzeh saeediyan; najmeh seyed alikhani

Volume 2, Issue 2 , February 2024, Pages 33-46

https://doi.org/10.22034/nawee.2023.418861.1051

Abstract

Socio-economic issues in watersheds around the world have become one of the most important issues in watersheds. In this research, first the sub-basins of Yazdanabad watershed were identified and then the socio-economic issues of Yazdanabad watershed were investigated and the gross revenues of the studied ... Read More

Risk assessment of Vaniyar earth dam overtopping using system dynamics and effect of overtopping flood on the downstream lands of the dam.

Ali Ebrahimzadeh; Bita Bagheri seygalani

Volume 2, Issue 2 , February 2024, Pages 47-64

https://doi.org/10.22034/nawee.2023.422313.1052

Abstract

Objective: Dams play a key role in controlling floods and minimizing associated losses. They reduce downstream losses by lowering the flood peak and enable a safer flood stream. Despite the significant advantages of dams, dam failure may cause dramatic casualties and financial losses. Overtopping is ... Read More Objective: Dams play a key role in controlling floods and minimizing associated losses. They reduce downstream losses by lowering the flood peak and enable a safer flood stream. Despite the significant advantages of dams, dam failure may cause dramatic casualties and financial losses. Overtopping is a major dam failure that can be induced by one or more geophysical events, e.g., floods, landslides, earthquakes, and intense winds. Overtopping is particularly crucial for earth and aggregate dams as they are more likely to be destroyed due to the flow over the crest. Therefore, the overtopping risk evaluation of dams is important, and it is necessary to bring a trade-off between the reservoir level and overtopping risk. Methods: The risk management of earth dams is complex since multiple factors are involved. System dynamics (SD) can be used to evaluate the effects of a set of complex, interrelated factors on the overtopping risk of dams under several scenarios. Floods and winds are the main causes of overtopping, with each being dependent on a number of variables. This paper used an SD model to evaluate the independent and combined effects of uncertainties with floods and winds of different return periods on the overtopping risk of the Vanyar Dam, Iran. This would help implement efficient measures to minimize the overtopping risk and maximize safety. To measure the effects of overtopping floods on the downstream of the dam, a hydraulic model was developed in HEC-RAS. The geometric parameters/data of the river and the non-steady stream data along with the initial and boundary conditions were introduced as inputs to the hydraulic model. The most critical scenario to identify the overtopping flood zone corresponded to the probable maximum flood (PMF), under which a broad area of the downstream lands would be flooded. Results: This study analyzed the overtopping risk of the Vanyar Dam, Iran, for different flood and wind return periods by modeling the dam reservoir through system dynamics (SD) under initial reservoir level and dam height uncertainties using the Monte Carlo method. The effects of floods and the combined effects of floods and winds on the overtopping risk were evaluated. The results demonstrated that the probable maximum flood (PMF) with a wind return period of 100 years under reservoir level and dam height uncertainties maximized the overtopping risk to 0.122931. The overtopping risk converged in 200,000 iterations. The analysis of the overtopping flood downstream of the dam showed that many villages and facilities would be completely flooded, and it is necessary to implement management measures, such as controlling the reservoir level, to minimize the overtopping risk.

Investigating the effect of irrigation method on onion yield under drought stress

Mehdi Arabi Aysk; Mohsen Pourreza Bilandi; Mostafa Yaghoobzadeh; Farhad Azarmi Atajan

Volume 2, Issue 2 , February 2024, Pages 99-112

https://doi.org/10.22034/nawee.2023.424811.1054

Abstract

Water is the most important factor limiting agriculture in the country. For this purpose, the effect of two irrigation methods (basin irrigation and tape irrigation) and three irrigation levels (50, 75 and 100 percent of the plant's water requirement) on the performance of edible onion plants in Aysk ... Read More

Improving the mechanical properties of the soil of Azadegan plain transmission channels based on soil mineralogy

MORTEZA BAKHTIARI; Majid Heidari; Javad Zahiri

Volume 2, Issue 2 , February 2024, Pages 113-122

https://doi.org/10.22034/nawee.2023.425617.1056

Abstract

Improving the mechanical properties of soil in order to build civil projects is one of the important concerns of civil engineers. For a long time, various methods have been recommended to improve the soil used in projects, and most of these methods have been the result of using past experiences, among ... Read More

Modeling and investigation of the most important factors affecting the occurrence of floods in the Gorganrood watershed

Mohamad Samiei; Morteza Seyedian; Abolhasan Fathabadi; Nasrodin Jahantig

Volume 2, Issue 2 , February 2024, Pages 123-136

https://doi.org/10.22034/nawee.2024.433344.1059

Abstract

The Objective of this research is to provide a model to calculate flood discharge values with a certain return period by using the geometric features of the watershed and by providing multivariable models.To understand flood occurrence in the Gorganrood watershed, we studied 11 hydrometric stations in ... Read More

Estimation of soil water characteristic curve parameters in different models in light soils

jahangeer abedi koupaee; Nahid Pourabdollah; Shahab Ansari

Volume 2, Issue 2 , February 2024, Pages 137-148

https://doi.org/10.22034/nawee.2024.434088.1060

Abstract

In addition to soil water content, soil matric potential is also important for plant growth. Soil water characteristic curve (SWCC) or soil moisture characteristic curve describes soil water content and soil matric potential relationship. Many models have been developed to describe the SWCCs and their ... Read More

Effect of correction points of the erodibility factor map on soil erosion estimation in G2 model

Faezeh Kamari Yekdangi; Abdulvahed Khaledi Darvishan; Soheila Aghabeigi Amin

Volume 2, Issue 2 , February 2024, Pages 158-169

https://doi.org/10.22034/nawee.2024.436707.1062

Abstract

Soil conservation requires a suitable model and framework to assess soil erosion and sediment yield based on land use scenarios. Therefore, the present study was conducted with the aim of investigating the sensitivity of the G2 model to the soil erodibility factor in the Kasilian representative watershed ... Read More

Impact of crop pattern modification policies on water resources protection and self-sufficiency of wheat (Case study: Kabudrahang plain)

ALI MOHAMMAD JAFARI; alireza nikouei; ali ghadamifirouzabadi; karwan shanazi; mohammad reza bakhtiyari

Volume 2, Issue 2 , February 2024, Pages 170-183

https://doi.org/10.22034/nawee.2024.441623.1066

Abstract

Reforming the cultivation pattern is a program that the government pursues with the aim of achieving sustainable agricultural development and maintaining food security.Protection of basic production resources,self-sufficiency in the production of basic products and maintaining agricultural employment ... Read More

Comparison of Productivity and Efficiency of Irrigation Water Consumption in Lands With Traditional Network under Mirab Management and Integrated and Renovated Lands

Mojtaba Mandegari Kohan; Mehdi Zakerinia; Hossein Dehghan

Volume 2, Issue 2 , February 2024, Pages 184-202

https://doi.org/10.22034/nawee.2024.431235.1058

Abstract

Traditional water distribution with Mirab is effective to a certain extent in the fair distribution of water, but it has limitations in terms of efficiency and productivity. While in modern networks, it is possible to try to optimize the allocation and distribution of water by using advanced technology ... Read More

Evaluating the allelopathic potential of the medicinal plant of Eucalyptus on the characteristics of germination and seedling growth of the plant sensitive to allelochemicals of chickpea in order to reduce water and environmental pollution

Ebrahim Gholamalipour Alamdari; masumeh farasati; Sedigheh Shokohi; Alireza Asteraie

Volume 2, Issue 2 , February 2024, Pages 203-216

https://doi.org/10.22034/nawee.2024.437504.1063

Abstract

An experiment was conducted in order to evaluate the allelopathic effect of water extract from different parts of Eucalyptus on the germination characteristics and seedling growth of the benchmark plant and sensitive to allelochemicals of chickpea in both laboratory and greenhouse conditions in a completely ... Read More

Determining the function of production and economic value of water in the production of wheat and barley in Ardebil plain

rassol nouri khajebelagh; MohammadReza Khaledian; Mohammad Kavosi-kalashemi; Mohammadtaghi Azimi

Volume 1, Issue 1 , July 2022, , Pages 27-40

https://doi.org/10.22034/nawee.2022.153889

Abstract

In recent years, unnecessary exploitation of water resources, especially groundwater resources, droughts, lack of protection in the use of water resources, population growth, etc. has led to water input as one of the most important. The most limiting factors of development should play a role in the agricultural ... Read More

Improvement the quality of urban Wastewater using combination of Bioremediation and porous concrete

jahangeer abedi koupaee; Afshin Baniasadi; Mohammad Mehdi Dorafshan

Volume 1, Issue 1 , July 2022, , Pages 1-14

https://doi.org/10.22034/nawee.0621.153625

Abstract

The combination of phytoremediation and porous concrete is a new technology used as a natural purification of porous concrete and resistant plants to remove or reduce the concentration of pollutants. In this study, the performance of porous concrete as a bed and plant on reduction of urban effluent pollution ... Read More

Runoff forecast with SVR model in climate scenarios and estimation of water demands due to changes in WEAP model

banafshe rahimi; Maryam Hafezparast

Volume 1, Issue 1 , July 2022, , Pages 75-90

https://doi.org/10.22034/nawee.2022.154268

Abstract

Today, the effects of climate change and global warming have been proven due to the increase in greenhouse gases in the world. In this research, the monthly values of temperature, precipitation and discharge of Jamishan Dam in the years 1988-2017 have been considered as the base period. Simulation of ... Read More

Evaluation of AquaCrop Model for simulation Rice Different Cultivars Response to Planting Method

Seyed Amir Hossein Mousavi; Aslan Egdernezhad; Abdolali Gilani

Volume 1, Issue 1 , July 2022, , Pages 63-74

https://doi.org/10.22034/nawee.2022.153890

Abstract

It is so vital to note the cultivation of rice because of its high irrigation water consumption. This crop is the most important food source in the Iran, hence, it is necessary to know how much irrigation water must be used to grow different rice cultivars under various cultivation types. On the other ... Read More

Comparison of spatial and temporal variation of maize evapotranspiration in Mahidasht using Landsat 8 satellite images and available resources

Nasim Kamali; Bahman Farhadi Bansouleh

Volume 1, Issue 1 , July 2022, , Pages 51-62

https://doi.org/10.22034/nawee.2022.153887

Abstract

The crop evapotranspiration (ET) has spatial and temporal variations within the region due to changes in meteorological parameters, phenological stage, and farm management conditions. The main objective of the present study was to compare the trend of temporal and spatial variations of grain maize evapotranspiration ... Read More