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- Title
The measurement and modelling of rill erosion at angle of repose slopes in mine spoil.
- Authors
Hancock, G. R.; Crawter, D.; Fityus, S. G.; Chandler, J.; Wells, T
- Abstract
The article presents a study on the ability of a terrestrial laser scanner to quantify rills that have developed on fresh and homogenous mine spoil on an angle of repose slope, and the ability of the SIBERIA erosion model to imitate the rill's spatial and temporal behavior. Results showed that while the overall hillslope morphology was captivated by the laser scanner, with the morphology of the rills being widely captured, the characteristics pf the rills were not well defined. Also, the digital elevation model produced by the laser scanner failed to capture the rill thalwegs and tops of the banks, delineating a range of ill defined longitudinal downslope depressions. The sensitivity of the SIBERIA model to changes in parameters and the relevance of the calibration process is also shown.
- Subjects
LASERS; EROSION; CALIBRATION; SCANNING systems; VENTIFACT; SLOPES (Physical geography); SPATIAL ability; PHYSICAL measurements; GEOLOGICAL research
- Publication
Earth Surface Processes & Landforms, 2008, Vol 33, Issue 7, p1006
- ISSN
0197-9337
- Publication type
Article
- DOI
10.1002/esp.1585