Checking the Sensitivity of Solute Advection-Dispersion Model to Reaction Coefficients and River Hydraulic Properties in the Process of Dissolved Oxygen Simulation

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MIRHASHEMI S‎.; SHAYANNEJAD M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Water and Soil Science Year:2019 | Volume:23 | Issue:3 Page(s): 27-36

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Title

Checking the Sensitivity of Solute Advection-Dispersion Model to Reaction Coefficients and River Hydraulic Properties in the Process of Dissolved Oxygen Simulation

Author(s)

MIRHASHEMI S‎. | SHAYANNEJAD M. | Issue Writer Certificate

Keywords

Dissolved oxygenQ1

hydraulic parametersQ1

ZayandehrudQ2

Advection-Dispersion EquationQ1

MATLABQ1

Abstract

Nowadays, environmental pollutions especially water pollution is increasingly developing. One of the problems of entering the pollutants to rivers is reduction in the concentration of river Dissolved oxygen. In order to manage the water resources, amount of Dissolved oxygen should be predicted. This study presents a novel equation for simulating the concentration of river Dissolved oxygen by adding the oxygen production and consumption in the river factors to equation for transmission-diffusion of minerals in the soil. The resultant equation was separated in finite differential method and by using implicit pattern. Calculations were done by encodings in MATLAB software. In order to calibrate and confirm the Dissolved oxygen model, data derived from Zayanderood River around Zob-Ahan factory of Isfahan and Mobarakeh Steel Complex was used. By using some data, coefficients of model were determined. Analyzing the sensitivity of model coefficients showed that aeration constant (Kr) had the most effect on predicting the model. Since depends on hydraulic parameters of river, sensitivity of depth and pace of river was studied and finally depth of river was introduced as the most sensitive variable.

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APA: Copy

MIRHASHEMI, S‎., & SHAYANNEJAD, M.. (2019). Checking the Sensitivity of Solute Advection-Dispersion Model to Reaction Coefficients and River Hydraulic Properties in the Process of Dissolved Oxygen Simulation. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 23(3 ), 27-36. SID. https://sid.ir/paper/395610/en

Vancouver: Copy

MIRHASHEMI S‎., SHAYANNEJAD M.. Checking the Sensitivity of Solute Advection-Dispersion Model to Reaction Coefficients and River Hydraulic Properties in the Process of Dissolved Oxygen Simulation. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2019;23(3 ):27-36. Available from: https://sid.ir/paper/395610/en

IEEE: Copy

S‎. MIRHASHEMI, and M. SHAYANNEJAD, “Checking the Sensitivity of Solute Advection-Dispersion Model to Reaction Coefficients and River Hydraulic Properties in the Process of Dissolved Oxygen Simulation,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 23, no. 3 , pp. 27–36, 2019, [Online]. Available: https://sid.ir/paper/395610/en

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