deglaciation


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deglaciation

[dē‚glās·ē′ā·shən]
(hydrology)
Exposure of an area from beneath a glacier or ice sheet as a result of shrinkage of the ice by melting.
References in periodicals archive ?
He attributes the differences between sites to local differences in rates of deglaciation.
North America and adjacent oceans during the last deglaciation. The geology of North America.
He reviewed the latest mt-DNA data available for Newfoundland cod and caribou and concluded that the distributions are not consistent with any simple model of refugia or deglaciation. D.
Models of glacial reconstruction and deglaciation applied to Maritime Canada and New England.
Various conclusions have been reached to explain this effect, however, residual geoid anomaly is more often assumed to be due to deglaciation. Many authors have studied causal relationships between the gravity field parameters and the effects of the crustal structure, Moho variations, and post-glacial rebound in Fennoscandia.
The most parsimonious explanation may be derived from a consideration of the known positions of the ice margin in Michigan during the last deglaciation episodes.
For example, no evidence exists that temperate zone zooplankters, occupying individual lakes since the Pleistocene deglaciation, have undergone speciation.
Laterally extensive cemented beds have been recorded in five outcrops hosted in glacial outwash and beach sand and gravel deposits that accumulated during the Late Weichselian deglaciation about 15.7-12.5 ka BP (Kalm 2006; Kalm et al.
By accounting for the heat-trapping effects of clouds, the authors find that the atmospheric carbon dioxide concentration required to drive deglaciation is 10-100 times lower than previous research suggested, a concentration that fits within observed levels.
Most of the Strait of Georgia was ice-free by 11,300 [C.sup.14] BP (Barrie and Conway, 2002); deglaciation was very rapid with regional downwasting and widespread stagnation (Gullbault et al., 2003).