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Technical Note: Determination of the SCS initial abstraction ratio in an experimental watershed in Greece
1Dept. of Hydraulics, Soil Science and Agricultural Engineering School of Agriculture, Aristotle Univ. of Thessaloniki, 54006 Thessaloniki, Greece
2Dept. of Water Resources and Environmental Engineering, National Technical Univ. of Athens, Athens, Greece
Abstract. The present study was conducted in an experimental watershed in Attica, Greece, using observed rainfall/runoff events. The objective of the study was the determination of the initial abstraction ratio of the watershed. The average ratio (Ia/S) of the entire watershed was equal to 0.014. The corresponding ratio at a subwatershed was 0.037. The difference was attributed to the different spatial distribution of landuses and geological formations at the extent of the watershed. Both of the determined ratios are close to the ratio value of 0.05 that has been suggested from many studies for the improvement of the SCS-CN method.
Final Revised Paper (PDF, 430 KB) Discussion Paper (HESSD)
Citation: Baltas, E. A., Dervos, N. A., and Mimikou, M. A.: Technical Note: Determination of the SCS initial abstraction ratio in an experimental watershed in Greece, Hydrol. Earth Syst. Sci., 11, 1825-1829, 2007. Bibtex EndNote Reference Manager
