MODELING OF SEDIMENT YIELD AND BICARBONATE CONCENTRATION IN KORDAN WATERSHED

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SARMADIAN F.; RAHIMI P.; KESHAVARZI A.

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

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Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2010 | Volume:12 | Issue:1 Page(s): 121-131

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Title

MODELING OF SEDIMENT YIELD AND BICARBONATE CONCENTRATION IN KORDAN WATERSHED

Author(s)

SARMADIAN F. | RAHIMI P. | KESHAVARZI A. | Issue Writer Certificate

Keywords

ECQ3

PHQ3

SEDIMENTATIONQ3

SWATQ3

Abstract

In the present study, the Soil and Water Assessment Tool (SWAT 2000) model was tested on both a monthly and yearly basis and applied to the Kordan Watershed, located in Iran. The main objECtive of the research was to assess the accuracy of the model in sediment-yield and surface water bicarbonate concentration estimation. The attributes of sub-watersheds, tributary channels and the main channel in each sub-watershed were generated using the Digital Elevation Model (DEM) and Geographical Information System (GIS) Arc View SWAT 2000 interface. The model was calibrated and validated for the period from 1990 until 2004. Calibration results revealed that the model predicted monthly and yearly sediment-yield, but not such good results were obtained for the bicarbonate concentration. Therefore, some efforts were made in order to find a solution for SWAT bicarbonate temporal modeling. Around 70 samples of the Kordan River water quality data were used and, upon doing statistical calculations, the best correlation between the average PH–EC of water and the bicarbonate concentration was obtained. The formula shall be tested at several watersheds, and it can also be defined to SWAT in order that the model is able to calculate bicarbonate concentration according to PH and EC of the river water, which are introduced to SWAT by the user as a stream water quality file (SWQ).

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APA: Copy

SARMADIAN, F., RAHIMI, P., & KESHAVARZI, A.. (2010). MODELING OF SEDIMENT YIELD AND BICARBONATE CONCENTRATION IN KORDAN WATERSHED. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 12(1), 121-131. SID. https://sid.ir/paper/62964/en

Vancouver: Copy

SARMADIAN F., RAHIMI P., KESHAVARZI A.. MODELING OF SEDIMENT YIELD AND BICARBONATE CONCENTRATION IN KORDAN WATERSHED. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2010;12(1):121-131. Available from: https://sid.ir/paper/62964/en

IEEE: Copy

F. SARMADIAN, P. RAHIMI, and A. KESHAVARZI, “MODELING OF SEDIMENT YIELD AND BICARBONATE CONCENTRATION IN KORDAN WATERSHED,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 12, no. 1, pp. 121–131, 2010, [Online]. Available: https://sid.ir/paper/62964/en

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