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Permafrost at the ice base of recent pleistocene glaciations–inferences from borehole temperature profiles
Download2012
Paleo-temperature reconstruction from precise depth (>2.0 km) well temperature logs can offer information on whether the bed of an ice sheet was frozen. Inversion or upward extrapolation of the >2-km-deep geothermal profile is the only method by which temperature evolution at the base of...
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2012
Leskiw, L. A., Chanasyk, D. S., Nemirsky, C. L., Naeth, M. A., Brierley, J. A., Bock, M. D., Archibald, H. A., VandenBygaart, A. J.
With increasing anthropogenic activity, the areal extent of disturbed soils is becoming larger and disturbances more intense. Regulatory frameworks must incorporate reclamation criteria for these disturbed soils, requiring consistent descriptions and interpretations. Many human altered soils...
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Scale-dependent covariance of soil physical properties above and below a soil horizon interface: Pedogenic versus anthropogenic influences on total porosity
Download2011
Dyck, M. F., Kachanoski, R. G.
The basic unit of soil – the pedon – is described as the minimum, three-dimensional unit of soil representative of the variability of soil horizon dimensions and morphology. Pedogenic processes responsible for soil horizon and soil profile formation are primarily hydrologic in nature. The...