A physical model of vertical infiltration, drain discharge and surface runoff / A. Vandenberg.: En36-503/137E-PDF
"The author identifies the elements of the hydrological cycle and the interrelationships which are directly influenced by soil and surface drainage improvements. A model of this partial cycle is constructed, permitting the assessment of the effect of drainage improvement on the total discharge from a drained plot for a given precipitation input. Total discharge is composed of surface runoff and drain discharge. Particular emphasis is placed on the soil moisture component, infiltration and percolation to the ground-water table. All components except the unsaturated zone are treated as lumped systems, but the unsaturated zone is represented in the model by a stack of up to 50 layers, the moisture transfer between layers being calculated by a forward-finite difference type of calculation based on the physical characteristics of the soil. The effects of the parameters of the model are described and discussed by means of approximately 90 sample runs. The parameters determining storage capacity of the soil influence the shape and peak value of discharge much more than those determining velocity of flow"--Abstract, p. vi.
Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.864049&sl=0
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| Title | A physical model of vertical infiltration, drain discharge and surface runoff / A. Vandenberg. |
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| Publication type | Monograph - View Master Record |
| Language | [English] |
| Format | Digital text |
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| Description | ix, 57 p. : ill. |
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