Method for estimating surface roughness and soil moisture absorption rate of slope under rainfall conditions
A technology of moisture absorption rate and slope surface, which is applied in the field of estimation of slope surface roughness and soil moisture absorption rate under rainfall conditions, and can solve the problem that it is difficult to quickly and accurately determine the surface roughness and soil moisture absorption rate.
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[0059] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0060] The method for estimating slope surface roughness and soil moisture absorption rate under rainfall conditions of the present invention is specifically implemented according to the following steps:
[0061] Step 1, establish the motion wave equation
[0062] According to the water balance relationship under rainfall conditions, the motion wave equation is established, and the equation is:
[0063] ∂ h ∂ t + ∂ q ∂ x = r - i - - - ( 1 )
[0064] In formula (1), h is the depth of water flow on the slope / m, t is the water su...
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