Over a two-year period, rainfall, runoff and sediment output were measured in six small agricultural catchments (3-10 ha) in south Limburg (The Netherlands). These measurements were needed for validation of an erosion model for South Limburg (LISEM). In this paper, results of the measurements are pr
Snowmelt-generated runoff and soil erosion in Fife, Scotland
โ Scribed by Wade, R. J.; Kirkbride, M. P.
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 188 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0360-1269
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โฆ Synopsis
The hydrology and contrasting erosional responses of two snowmelt events on arable farmland in Fife, Scotland, are compared. Snowmelt-generated runoff in January 1993 caused widespread soil erosion across eastern Scotland. Gullying was exemplified by three sites in Fife, where thaw of a drifted snowpack was augmented by rainfall to produce a larger erosive response than meteorological data alone would have predicted. Up to 127 m 3 of soil was lost from individual gullies in fields sown to winter cereals. In February 1996 snowfall of comparable depth again covered the field area, but a more uniform snowpack, slower thaw, greater crop cover and lower rainfall during the thaw phase combined to lessen the impact of erosion. These case studies demonstrate the complexity of the erosion/runoff relationship for rain on snow events, in which erosional severity depends not just on snow depth but on snow distribution, thaw rate and the amount and timing of rainfall during the thaw phase.
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