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Sharon, D., Hebrew Univ of Jerusalem, Israel
Morin, J., Hebrew Univ of Jerusalem, Israel
Moshe, Y., Hebrew Univ of Jerusalem, Israel
The actual rainfall intensity incident on sloping soil surfaces differs considerably from standard measurements. Deviations of ±60% have been found in this study between opposite-lying sides of furrows, which are equivalent to differences of 4:1. A model is presented, relating the above rainfall variations to the aspect and inclination of the receiving surface relative to the direction of incoming rainfall. Results are relevant to the study of runoff and erosion in cultivated fields. In a broader theoretical context, results of the present study are significant for modeling the role of topographical scale on the distribution of incident rainfall. The study was designed to test the applicability of the model on the scale of cotton-ridges and furrows. The results can be used to study local variations in rain-conditioned processes such as crusting, infiltration, runoff and erosion.
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Micro-topographical variations of rainfall incident on ridges of a cultivated field
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Sharon, D., Hebrew Univ of Jerusalem, Israel
Morin, J., Hebrew Univ of Jerusalem, Israel
Moshe, Y., Hebrew Univ of Jerusalem, Israel
Micro-topographical variations of rainfall incident on ridges of a cultivated field
The actual rainfall intensity incident on sloping soil surfaces differs considerably from standard measurements. Deviations of ±60% have been found in this study between opposite-lying sides of furrows, which are equivalent to differences of 4:1. A model is presented, relating the above rainfall variations to the aspect and inclination of the receiving surface relative to the direction of incoming rainfall. Results are relevant to the study of runoff and erosion in cultivated fields. In a broader theoretical context, results of the present study are significant for modeling the role of topographical scale on the distribution of incident rainfall. The study was designed to test the applicability of the model on the scale of cotton-ridges and furrows. The results can be used to study local variations in rain-conditioned processes such as crusting, infiltration, runoff and erosion.
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