Abstract
Rainfall and runoff are essential components which contribute immensely to hydrological cycle and design of hydrological structures. The challenges associated with hydrology are prediction and quantification of catchment surface runoff. The runoff curve number (CN) is an essential factor in determining flow in Soil Conservation Service (SCS)-based hydrological modeling method. Estimation of direct rainfall-runoff is always efficient but is not possible for most of the location in desired time. Use of remote sensing and GIS technology can be useful to overcome the problem in conventional methods for estimating runoff. Hydrological databases are the rare information assets especially for a country like Bhutan where sparse or no gauging station has been installed, thereby leaving most of the basins ungauged. It has been a challenge for city planners and municipals to go on with the decisions of stormwater management works. The study aims to estimate the surface runoff from the ungauged Om Chhu river basin which is situated in Phuentsholing, Bhutan, using SCS-CN method. This paper demonstrates that integration of GIS with the SCS-CN method provides a useful tool for estimating runoff volumes in Om Chhu river basin.
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References
California Water and Environmental Modelling Forum (2008) Hydrological Engineering Center’s Watershed Modeling with HEC-HMS. Technical Forum, U.S. Army Corps of Engineers, California
Cronshey R, McCuen RH, Miller N, Rawls W, Robbins S, Woodward D (1986) Urban hydrology for small watersheds, Technical Report 55, Natural Resources Conservation Service, United States Department of Agriculture, Washington, DC
Dhawale WA (2013) Runoff estimation for Darewadi watershed using RS and GIS. Int J Recent Technol Eng 01(06):46–50
Elhakeem M, Papanicolaou AN (2009) Estimation of the runoff curve number via direct rainfall simulator measurements in the State of Iowa, USA. Water Resour Manage 23(12):2455–2473
Luxon N, Pius C (2013) Validation of the rainfall-runoff SCS-CN model in a catchment with limited measured data in Zimbabwe. Int J Water Resour Environ Eng 05(06):295–302
Nag A, Penjor K, Tobgay S, Jamtsho C (2013) Hydrological modeling of watershed using HEC-HMS software and ArcGIS. Int J Adv Sci Tech Res 02(03):313–319
Soulis K, Valiantzas J, Dercas N, Londra P (2009) Investigation of the direct runoff generation mechanism for the analysis of the SCS-CN method applicability to a partial area experimental watershed. Hydrol Earth Syst Sci 13(05):605–615
Tekeli IY, Akgul S, Dengiz O, Akuzum T (2007) Estimation of flood discharge for small watershed using SCS curve number and Geographic Information System. In: International congress on river basin management, pp 527–538
USDA (1972) Soil Conservation Service, National Engineering Handbook. Hydrology Section 4. USDA, Washington, DC. Chapters 4–10
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Dorji, L. et al. (2020). An Evaluation of Hydrological Modeling Using SCS-CN Method in Ungauged Om Chhu River Basin of Phuentsholing, Bhutan. In: Pal, I., von Meding, J., Shrestha, S., Ahmed, I., Gajendran, T. (eds) An Interdisciplinary Approach for Disaster Resilience and Sustainability. MRDRRE 2017. Disaster Risk Reduction. Springer, Singapore. https://doi.org/10.1007/978-981-32-9527-8_7
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DOI: https://doi.org/10.1007/978-981-32-9527-8_7
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