Thermal regime through a sorted circle and stone-banked lobe, Drakensberg, southern Africa

Zeitschrift fur Geomorphologie

Volumn 48, Issue 4, 2004, Pages 501-518

  Grab, Stefan Walter ^a  

^a UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

PERIGLACIAL ENVIRONMENT; TEMPERATURE;

AFRICA; DRAKENSBERG; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

EID: 19944388231     PISSN: 03728854     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (36)

1. Abe, M. & Matsuoka, N. (2000): Controls on sorted patterned-ground geometry in the Swiss Alps. - Ann. Rep. Inst. Geosci. Univ. Tsukuba 26: 15-19.
2. Benedict, J. B. (1992): Field and laboratory studies of patterned ground in a Colorado alpine region. - Inst. of Arctic and Alpine Res., Occas. Paper No. 49, 38 pp.
3. Beyer, P. J. (1997): Particle size distribution within nonsorted stony earth circles. - Colorado. Phys. Geog. 18: 176-194.
4. Boelhouwers, J. C. (1995): Present-day soil frost activity at the Hex River Mountains, Western Cape, South Africa. - Z. Geomorph. 39: 237-248.
5. Boelhouwers, J. C. (1998): Environmental controls on soil frost activity in the Western Cape Mountains, South Africa. - Earth Surf. Proc. Landf. 23: 211-221.
6. Douglas, T. D. & Harrison, S. (1996): Turf-banked terraces in Öraefi, Southeast Iceland: morphometry, rates of movement, and environmental controls. - Arct. Alp. Res. 28: 228-236.
7. Etzelmüller, B., Ødegård, R. S., Berthling, I. & Sollid, J. L. (2001): Terrain parameters and remote sensing data in the analysis of permafrost distribution and periglacial processes: principles and examples from southern Norway. - Permafrost Periglac. Process. 12: 79-92.
8. French, H. M. (1996): The Periglacial Environment, 2nd Ed. - Longman, London, 341 pp.
9. Grab, S. W. (1997): Thermal regime for a thufa and its adjoining depression, Mashai Valley, Lesotho. - Permafrost Periglac. Process. 8: 437-445.
10. Grab, S. W. (1999): Block and debris deposits in the high Drakensberg, Lesotho, southern Africa: implications for high altitude slope processes. - Geogr. Ann. 81A: 1-16.
11. Grab, S. W. (2000): Stone-banked lobes and environmental implications, high Drakensberg, southern Africa. - Permafrost Periglac. Process. 11: 177-187.
12. Grab, S.W. (2001): Needle ice observations from the high Drakensberg, Lesotho. - Permafrost Periglac. Process. 12: 227-231.
13. Grab, S. W. (2002a): A note on needle-ice mound formation in the high Drakensberg, southern Africa. - Permafrost Periglac. Process. 13: 315-318.
14. Grab, S. W. (2002b): Characteristics and palaeoenvironmental significance of relict sorted patterned ground, Drakensberg plateau, southern Africa. - Quat. Sci. Rev. 21: 1729-1744.
15. Granger, E. & Schulze, R.E. (1977): Incoming solar radiation patterns and vegetation response: examples from the Natal Drakensberg. - Vegetatio 35: 47-54.
16. Hallet, B. & Prestrud, S. (1986): Dynamics of periglacial sorted circles in Western Spitsbergen. - Quat. Res. 26: 81-99.
17. Harris, S. A. (1981a): Distribution of zonal permafrost landforms with freezing and thawing indices. - Erdkunde 35: 81-90.
18. Harris, S. A. (1981b): Climatic relationships of permafrost zones in areas of low winter snow-cover. - Arctic 34: 64-70.
19. Harris, S. A. (2001): Twenty years of data on climate-permafrost - active layer variations at the lower limit of alpine permafrost, Marmot Basin, Jasper National Park, Canada. - Geogr. Ann. 83A: 1-13.
20. Harris, S. A. & Pederson, D. E. (1998): Thermal regimes beneath coarse blocky materials. - Permafrost Periglac. Process. 9: 107-120.
21. Hinkel, K. M., Outcalt, S. I. & Taylor, A. E. (1997): Seasonal patterns of coupled flow in the active layer at three sites in northwest north America. - Can. J. Earth Sci. 34: 667-678.
22. Hinkel, K. M., Paetzold, F., Nelson, F.E. & Bockheim, J.G. (2001): Patterns of soil temperature and moisture in the active layer and upper permafrost at Barrow, Alaska: 1993-1999. - Global and Planet. Change 29: 293-309.
23. Humlum, O. (1998): The climatic significance of rock glaciers. - Permafrost Periglac. Process. 9: 375-395.
24. Kane, D. L., Hinkel, K. M. Goering, D. J., Hinzman, L.D. & Outcalt, S.I. (2001): Non-conductive heat transfer associated with frozen soils. - Global and Planetary Change 29: 275-292.
25. Krantz, W. B. (1990): Self-organization manifest as patterned ground in recurrently frozen soil. - Earth Sci. Rev. 29: 117-130.
26. Kück, K. M. & Lewis, C.A. (2002): Terracettes and active gelifluction terraces in the Drakensberg of the province of the Eastern Cape, South Africa: a process study. - S. Afr. Geog. J. 84: 214-225.
27. Matsuoka, N. (2001): Solifluction rates, processes and landforms: a global review. - Earth-Sci. Rev. 55: 107-134.
28. Mulder, N. & Grab, S. W. (2002): Remote sensing for snow cover analysis along the Drakensberg escarpment. - S. Afr. J. Sci. 98: 213-217.
29. Price, L. W. (1991): Subsurface movement on solifluction slopes in the Ruby Range, Yukon Territory, Canada: a 20-year study. - Arct. Alp. Res. 23: 200-205.
30. Schulze, R. E. (1979): Hydrology and water resources of the Drakensberg. - Natal Town and Regional Planning Reports 42, 179 pp.
31. Smith, D. J. (1987): Solifluction in the southern Canadian Rockies. - Can. Geogr. 31: 309-318.
32. Thorn, C. E., Schlyter, J. P. L., Darmody, R. G. & Dixon, J. C. (1999): Statistical relationships between daily and monthly air and shallow-ground temperatures in Kärkevagge, Swedish Lapland. - Permafrost Periglac. Process. 10: 317-330.
33. Van Vliet-Lanoë, B. (1988): The origin of patterned ground in N.W. Svalbard. - Proc. 5th Int. Conf. Permafrost, Trondheim, Norway, 1008-1013.
34. Washburn, A. L. (1989): Near-surface soil displacement in sorted circles, Resolute area, Cornwallis Island, Canadian High Arctic. - Can. J. Earth Sci. 26: 941-955.
35. Williams, P. J. & Smith, M. W. (1989): The Frozen Earth. - Cambridge University Press, Cambridge.
36. Zhang, T. & Stamnes, K. (1998): Impact of climatic factors on the active layer and permafrost at Barrow, Alaska. - Permafrost Periglac. Process. 9: 229-246.