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The effect of raindrop impact on the dynamics of soil surface crusting and water movement in the profile
Year:
1981
Source of publication :
Journal of Hydrology
Authors :
Morin, Joseph
;
.
Volume :
52
Co-Authors:
Morin, J., Soil Erosion Research Station, Emek Hefer, Israel
Benyamini, Y., Soil Erosion Research Station, Emek Hefer, Israel
Michaeli, A., Soil Erosion Research Station, Emek Hefer, Israel
Facilitators :
From page:
321
To page:
335
(
Total pages:
15
)
Abstract:
The infiltration of rainfall into bare soil was studied in field and laboratory experiments on two soil types in Israel. The main governing process is the formation of crust with an hydraulic conductivity several orders of magnitude lower than that of the soil profile. The decrease in conductivity is attributed to the organization of a very thin layer on the soil surface. The sealing efficiency of the crust is achieved by suction forces which arrange soil particles, probably clay, into a continuous, dense layer. The decrease in flux through the crust creates conditions of unsaturated flow in the soil profile below the crust. The dynamics of the hydraulic relationship between the soil profile and the crust during a rain storm was analyzed by means of an analytical model. © 1981.
Note:
Related Files :
FLOW OF WATER - Porous Materials
Rain and Rainfall
runoff
Soils
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More details
DOI :
10.1016/0022-1694(81)90178-5
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
31511
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:03
Scientific Publication
The effect of raindrop impact on the dynamics of soil surface crusting and water movement in the profile
52
Morin, J., Soil Erosion Research Station, Emek Hefer, Israel
Benyamini, Y., Soil Erosion Research Station, Emek Hefer, Israel
Michaeli, A., Soil Erosion Research Station, Emek Hefer, Israel
The effect of raindrop impact on the dynamics of soil surface crusting and water movement in the profile
The infiltration of rainfall into bare soil was studied in field and laboratory experiments on two soil types in Israel. The main governing process is the formation of crust with an hydraulic conductivity several orders of magnitude lower than that of the soil profile. The decrease in conductivity is attributed to the organization of a very thin layer on the soil surface. The sealing efficiency of the crust is achieved by suction forces which arrange soil particles, probably clay, into a continuous, dense layer. The decrease in flux through the crust creates conditions of unsaturated flow in the soil profile below the crust. The dynamics of the hydraulic relationship between the soil profile and the crust during a rain storm was analyzed by means of an analytical model. © 1981.
Scientific Publication
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