Erosion of a gully in duplex soils. - Results of a long-term photogrammetric monitoring program
1988
Sneddon, J. | Savage, J.V. | Newman, C.T. (New South Wales Univ., Campbell (Australia). Dept. of Civil Engineering) | Williams, B.G. (Commonwealth Scientific and Industrial Research Organization, Canberra (Australia). Div. of Water Resources Research)
The development of a gully within an ephemeral stream channel was monitored over a 10-year period using a direct contact measurement technique initially and then a photogrammetric technique. The latter was shown to have an accuracy of better than 0.05 cu. m. for each time of measurement. The volume of soil loss and gully headwall progression were very nearly linear with time, having values of 0.40 and 0.25 cu. m. per year respectively.
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