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:: Volume 35, Issue 2 (2020) ::
GeoRes 2020, 35(2): 167-176 Back to browse issues page
Environmental of Aras River Environmental Pollution
Ebrahim Safizadeh1, Daryoush Karimi *2, Hamid Reza Ghafarzadeh3, Seyed Abbas Poorhashemi4
1- Department of Environmental Law, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran, Department of Environmental Law, Faculty of Natural Resources and The Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran
2- Department of Management, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran , d-karimi@srbiau.ac.ir
3- Department of Management, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran, Department of Management, Faculty of Natural Resources and The Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran
4- Department of Law, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran, Department of Law, Faculty of Natural Resources and The Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran
Abstract:   (919 Views)
Aims & Backgrounds: The purpose of this study is to investigate the environmental impacts of Aras River pollution.
Methodology: First, the physicochemical properties of river water were measured in the vicinity of industrial zones. This is an applied survey carried out through sampling and laboratory experiments. Sampling was performed from mid-2018 to mid-2019 and at selected stations. Three water samples were taken at each station. Atomic absorption spectroscopy. The concentrations of Nitrate, Nitrite, and TDS were measured with a spectrophotometer. Calcium, Sodium, and Potassium concentrations were measured using Flame Photometer and the remainder were measured by professional devices. All sampling process was repeated four times and the average number was recorded for each station.
Findings: The results showed that the lowest recorded electrical conductivity was 0.789 while the highest was 2.346 ds / m, unsuitability of soil, and water for irrigation. The measured total solids content was 1211 mg / l indicates a moderate limitation in terms of salinity. The average recorded pH was 8.17, which is within the national permitted range and standard of the World Health Organization. The concentration of Nitrate and Nitrite is more than the maximum amount of the permitted range. The concentration of Potassium is in the standard range. According to the obtained mean (64 mg / l), the concentration of Calcium and Cadmium is within both national permitted range and international standard range, eith64mg/1, and 0.8 μg/1, respectively. While that of Lead (μg / l 0.09) is just within the standard range.
Conclusion: Discharge of agricultural, industrial, and municipal wastewater into the river in upper parts of the study area is the biggest threat to the lower parts environment.
Keywords: Environmental Pollution, Physico-Chemical Properties, Heavy Metals, Aras River
Full-Text [PDF 1214 kb]   (101 Downloads)    
Article Type: Original Research | Subject: Special
Received: 2020/03/1 | Accepted: 2020/06/17 | Published: 2020/06/17
* Corresponding Author Address: Faculty of Natural Resources and Environment, Science and Research Branch of Islamic Azad University, End of Shahid Sattari Highway, Tehran, Iran
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Safizadeh E, Karimi D, Ghafarzadeh H R, Poorhashemi S A. Environmental of Aras River Environmental Pollution. GeoRes. 2020; 35 (2) :167-176
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Volume 35, Issue 2 (2020) Back to browse issues page
فصلنامه تحقیقات جغرافیایی Geographical Researches Quarterly Journal
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