A conceptual model of wind erosion of soil surfaces by saltating particles
โ Scribed by Rice, M. A.; McEwan, I. K.; Mullins, C. E.
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 303 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0360-1269
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โฆ Synopsis
A conceptual model is described for the prediction of wind erosion rates dependent on the distribution of impact energy delivered to the surface by saltating grains, P[Ei], and the distribution of local surface strength, P [Es]. Methods are presented for the measurement of both distributions and consequent loss of material from the bed. It is concluded that saltating sand grains can rupture weak crusts under even moderate wind conditions, and that the rate of erosion will depend on the shape of the distribution tails.
๐ SIMILAR VOLUMES
Wind erosion depends on the ease with which particles can be detached from the soil surface, but suitable tests to characterize this property are not available. Two possible methods to determine surface soil strength in the field were therefore compared on a range of artificially 'crusted' surfaces.
The adsorption of proteins and other large molecules at the liquid-solid interface often involves a surface-induced transition in either internal conformation or molecular orientation. Recently, Van Tassel et al. modeled this adsorption/transition process as the sequential surface placement of sprea