An Investigation into Self-Purification and Modeling of Changes in Nitrogen and Phosphor along Dez River (The Distance between Dez Dam and Band Ghir Bridge)

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BABAMIRI OMID; MAROFI SAFAR; AZARI ARASH

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Journal Paper

Paper Information

Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2020 | Volume:22 | Issue:3 (94) Page(s): 301-316

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Information Journal Paper

Title

An Investigation into Self-Purification and Modeling of Changes in Nitrogen and Phosphor along Dez River (The Distance between Dez Dam and Band Ghir Bridge)

Author(s)

BABAMIRI OMID | MAROFI SAFAR | AZARI ARASH | Issue Writer Certificate

Keywords

N-NH4Q1

N-NO3Q1

P-PO4Q1

Simulation and Water QualityQ2

Abstract

Background and Objective: It is necessary to use mathematical models to determine the expected reaction of a river to the effects of entrance of pollutants. Such models can simulated the effects of current and future loadings and help managers and authorities make their final decisions. The purpose of this study is to simulate and be aware of the trend of nitrogen and phosphorus changes along the Dez River (Dez Dam to Ghir Dam Bridge) using the Qual2kw model and also to calculate the percentage of river self-purification. Method: The present study was aimed at measuring and comparing the data of the quality of Dez River water collected from three stations. Self-purification model of the river was determined by inserting qualitative and quantitative data retrieved from the stations, and the entering wastewaters in the dry season were created and calibrated. Findings: The results of the present study showed that the river has poor self-purification power. The highest self-purification power was related to N-NH4 parameter in 2014 (45%). The level of non-organic phosphor along the river had an increasing trend. Discussion and Conclusion: The level of nitrate nitrogen and ammonia nitrogen within the distance of 173 to 90 km of the river had an increasing trend due to influx of sewage. The best modelling for N-NH4 parameter was related to 2016 with a standard error of 0. 02.

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APA: Copy

BABAMIRI, OMID, MAROFI, SAFAR, & AZARI, ARASH. (2020). An Investigation into Self-Purification and Modeling of Changes in Nitrogen and Phosphor along Dez River (The Distance between Dez Dam and Band Ghir Bridge). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 22(3 (94) ), 301-316. SID. https://sid.ir/paper/409088/en

Vancouver: Copy

BABAMIRI OMID, MAROFI SAFAR, AZARI ARASH. An Investigation into Self-Purification and Modeling of Changes in Nitrogen and Phosphor along Dez River (The Distance between Dez Dam and Band Ghir Bridge). JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2020;22(3 (94) ):301-316. Available from: https://sid.ir/paper/409088/en

IEEE: Copy

OMID BABAMIRI, SAFAR MAROFI, and ARASH AZARI, “An Investigation into Self-Purification and Modeling of Changes in Nitrogen and Phosphor along Dez River (The Distance between Dez Dam and Band Ghir Bridge),” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 22, no. 3 (94) , pp. 301–316, 2020, [Online]. Available: https://sid.ir/paper/409088/en

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