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THE EFFECT OF RAINFALL KINETIC ENERGY ON THE SOIL PARTICLES SPLASH UNDER SEMI-ARID CONDITIONS | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 11, Issue 1, 2011, Pages 275-285 | ||
| Abstract | ||
| The objective of the study was to determine the effect of raindrop impact on the soil splash rate under natural precipitation. Several rainfall parameters (e.g. rainfall intensity ,raindrop kinetic energy ) are being used to characterize the eroding power of the rain on the soil splash. Rainfall characteristics and soil splash were assessed on dry –wet soil conditions and on 2 %and 6% slopes by collecting splashed soil particles using splash boarder. Rainfall energy and EI-index (product of rainfall energy and its intensity),were found to be highly correlated with splash detachment. For a given value of rainfall erosivity, total splash and splash per unit area of exposed soil surface increased linearly with an increase in moisture content, and was higher in 6% than from 2% slope. | ||
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