Week 2
Lecture 3: Hillslope Forms
Outline:
- Key Hillslope issues
- Hack and Goodlet Study
- Bedrock Geology and Basin Topography
- 1st order valleys
- Morphology
- Hydrology
- Slope mantle
- Vegetation
- Conceptual model for geo-hydro-eco interactions
- Research significance
- Digital Terrain Models (aka Digital Elevation Models)
- types of DTMs
- topographic attributes
- derived hydrologic indices
- flow path determination
- Channel extraction
Course reading:
- Hack, J. T. and Goodlett, J. C. 1960. Geomorphology and Forest Ecology of a Mountain Region in the Central Appalachians. U. S. Geological Survey Professional Paper 347, 66pp.
- Osterkamp, W. R., Hupp, C. R., and Schening, M. R., 1995, Little River revisited -- thirty-five years after Hack and Goodlett: Geomorphology, v. 13, p. 1-20.
Related web links:
Lecture 4: Soil Creep
Outline:
- Conceptual model of soil creep
- Assessment of soil creep field studies
- Quantitative formulation of soil creep
- derivation of mass conservation
- application of linear slope sediment transport law
- nonlinear diffusion equation
- soil production function
- field parameterization of diffusion equations
Course reading:
- Finlayson, B. L. 1985. Soil creep: a formidable fossil of misconception. In Geomorphology and Soils (Richards, K.S., Arnett, R. R., and Ellis, S., eds.). George Allen and Unwin, London, p. 141-158.
- Heimsath, A. M., Dietrich, W. E., Nishiizumi, K., Finkel, R. C. 1999. Cosmogenic nuclides, topography, and the spatial variation of soil depth. Geomorphology 27(1-2):151-172.
Related web links:
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