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Kinematic Storage Model (KSM) for Groundwater Development in Highly Permeable Hill Slope-Laboratory Study

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Document pages: 16 pages

Abstract: Study of the groundwater table development and runoffgeneration is one of the most important parts of hydrology to develop a clear concept, especially in hill slope. Thestudy is more complex in the real field rather than in the artificial system. The result inartificial systems developed and experimental observations may give good results. So, therefore, this study is aimed at modeling in the laboratory as artificial hill slope flows which includesaturation excess surface runoff flows. The physical processes along withrunoff generation depend on the factors—soil type, characteristic slope geometry, andinitial soil conditions at the commencement of rainfall. The mechanisms involvedin runoff formation process have been simulated successfully to computehydrograph for hilly terrain and groundwater table development in highlypermeable soil tested by kinematic storage model theory. The model representsthe hill slope as a rectangular storage element of length 2.02 m, depth 0.15 mand width 1m With an impermeable bed making an angle of 10 degrees with the horizontal. The storage element is composed of two moisturezones: an unsaturated zone and a saturated zone. The result obtained is seemed good adjustment to the theory of hill slopemodel given by Nm Shakya, 1995. Aslo, the moisture profile variation in mixed sand profile was found immediately after the rainfall event.The result obtained shows that the timing and distribution of moisture over thedepth where the maximum moisture content is 0.4 in mid of the depth which ismore than in surface having a moisture level of 0.37.

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