Ministry of Agriculture and Cooperatives. Evaluation of the Universal Soil Loss in Thailand. Modeling urban land use change by the integration of cellular automaton and Markov model. Guan, D., Li, H., Inohae, T., Su, W., Nagaie, T., & Hokao, K. AQUA TERRA Consultants, 2685 Marine Way, Suite 1314. Watershed Model Calibration and Validation-The HSPF Experience. Water Resources Management, 23, 137-151.ĭonigain, A.S.Jr. Modeling Impact of Land Cover Change on Critical on Critical Water Resources in the Motueka River Catchments, New Zealand. Dynamic Modeling of Water Storage Capacity for the Dilution of Waste Water of Land Utilization in the Upper Tha Chin Watershed, Thailand.
Transactions of the Asabe, 55 (4), 1491-1508.īanchongsak, F., Bualert, S., Dampin, N., & Nipon, T. Swat: model use, calibration, and validation. Journal of Hydrology, 333, 413-430.Īrnold, J.G., Moriasi, D.N., Gassman, P.W., Abbaspour, K.C., White, M.J., Srinivasan, R., Santhi, C., Harmel, R.D., Van Griensven, A., Van Liew, M.W., Kannan, N., & Jha, M.K. Modeling Hydrological and Water Quality in the Pre-Alpine/Alpine Thur Watershed using SWAT. C., Yang, J., Maximov, I., Siber, R., Bogner, K., Mieleitner, J., Zobrist, J., & Srinivasan, R. Modeling Hydrology and Water Quality of the European Continent at a Sub Basin Scale: Calibration of a High resolution Large-Scale SWAT Model. C., Rouholahnejad, E., Vaghefi, S., Srinivasan, R., & Klove, B. SWAT-CUP 2012, SWAT Calibration and Uncertainty Programs – A User Manual.Ībbaspour, K. Keywords : land use changes, head watershed area, streamflow, suspended sediment, Khlong Lan WatershedĪbbaspour, K.C. The simulation of the Scenario 2: The land use based on the Khlong Lan National Park boundary, implied that the total amount of the streamflow an increasing to 10.15 MCM, suspended sediment was decreased to 0.655 tons and average BOD was decreased 0.076 mg/L when compared to the Scenario 1 because of increasing in forest area and decreased field crops, orchard, other area and urban area. The Scenario 1: The land use at the existing condition, indicated that the total amount of streamflow was 28.73 MCM, total suspended sediment was 2.386 tons and average BOD was 0.55 mg/L.
The results showed that the KLW area was 90.07 km 2, 11 hydrological response units. The goodness of the calibration results were assessed based on the coefficient of determination (R 2), nash-sutcliffe efficiency (NSE) and mean squared error (MSE). The reliability of the model was calibrated with the observed data by adjusting the coefficient of the key parameters by using SWAT CUP program. The SWAT (Soil and Water Assessment Tool) model and GIS (Geographic Information System) were applied to estimate amount of the streamflow, suspended sediment and BOD from the land use changes of head watershed area during November 2017 to October 2018. The objective of this work was to study the land use changes of head watershed area on streamflow (Q), suspended sediment (SS) and water quality (Biochemical Oxygen Demand BOD) in Khlong Lan Watershed (KLW).
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