SIMULATING BROMIDE TRANSPORT IN DISTURBED SOIL COLUMNS USING HYDRUS-1D MODEL

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SHIRANI HOSSEIN; KORD MOJTABA; SAYYAD GHOLAM ABBAS; NAGHAVI HORMAZD

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Journal: Watershed Management Research Year:2011 | Volume:24 | Issue:3 (92) Page(s): 20-31

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Title

SIMULATING BROMIDE TRANSPORT IN DISTURBED SOIL COLUMNS USING HYDRUS-1D MODEL

Author(s)

SHIRANI HOSSEIN | KORD MOJTABA | SAYYAD GHOLAM ABBAS | NAGHAVI HORMAZD | Issue Writer Certificate

Keywords

SIMULATIONQ2

BROMIDEQ2

LEACHINGQ2

HYDRUS-1D MODELQ3

Abstract

The study of anion transport toward groundwater is very important since these ions are not adsorbed to the soil particles and leach easily from the soil profile. BROMIDE is one of the anions which has been considered as a tracer for water and solute transport through the soil. This study was conducted to simulate BROMIDE transport in disturbed soil columns (10 cm in diameter and 25 cm in height) using HYDRUS-1D software. Treatments included soil texture (sandy loam and loamy sand) and rate of BROMIDE application (10, 20 and 30 mg kg-1) with six replications.Bromide was applied in the form of potassium BROMIDE. LEACHING of BROMIDE was conducted for 4 pore volume and its concentration was measured in drained water. BROMIDE transport was slower in sandy loam soil compared to loamy sand. Sensitivity analysis showed that Dw (ion diffusion coefficient in water) and qs (saturated water content) had the least and the greatest impact on model predictions, respectively. BROMIDE concentrations in discharge were well predicted using HYDRUS-1D MODEL (R2>90%). Non-equilibrium convection–dispersion equation (NECDE) in HYDRUS-1D produced much reasonable calibration and test results than CDE equation.

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APA: Copy

SHIRANI, HOSSEIN, KORD, MOJTABA, SAYYAD, GHOLAM ABBAS, & NAGHAVI, HORMAZD. (2011). SIMULATING BROMIDE TRANSPORT IN DISTURBED SOIL COLUMNS USING HYDRUS-1D MODEL. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), 24(3 (92)), 20-31. SID. https://sid.ir/paper/200552/en

Vancouver: Copy

SHIRANI HOSSEIN, KORD MOJTABA, SAYYAD GHOLAM ABBAS, NAGHAVI HORMAZD. SIMULATING BROMIDE TRANSPORT IN DISTURBED SOIL COLUMNS USING HYDRUS-1D MODEL. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2011;24(3 (92)):20-31. Available from: https://sid.ir/paper/200552/en

IEEE: Copy

HOSSEIN SHIRANI, MOJTABA KORD, GHOLAM ABBAS SAYYAD, and HORMAZD NAGHAVI, “SIMULATING BROMIDE TRANSPORT IN DISTURBED SOIL COLUMNS USING HYDRUS-1D MODEL,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. 24, no. 3 (92), pp. 20–31, 2011, [Online]. Available: https://sid.ir/paper/200552/en

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