GENERAL PROGRAM OF ONE-DIMENSIONAL FLOW THROUGH UNSATURATED HOMOGENEOUS SOIL
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Abstract:
A numerical model of ane-dimensional flow through unsaturated homogeneous soil has been developed to simulate the water movement in soil a deep ground-water table under the initial and boundary conditions.This method can be used for the study of the infiltration,evaporation,transpiration and redistribution of water in soil profile as well as the water movement process while these phennmeaa appear alternatively.The modelling experiment programmed with FORTRAN has been carried out on g computer M-150 and verified by laboratory tests.Using this the following were calculated:(1) comparison between the steady and fluctuating evaporation,(2) water regime in profile versus steady rain infiltration in soil,and (3) variation of water in soil profile during growing period of wheat.
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