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Mechanical weathering rates on Signy Island, maritime antarctic

Mechanical weathering rates on Signy Island, maritime antarctic By means of re‐evaluating a number of properties of rock tablets left in the field for varying time periods, an estimation of rock breakdown rates is attained. From data obtained during the last five years, it would appear that rates are very slow, only of the order of 2% mass loss per 100 years. These rates refer to omnidirectionally frozen, relatively wet samples and, on the basis of laboratory simulation results, are over 50 times greater than for unidirectionally frozen bedrock. It is suggested that mechanical weathering rates in the maritime Antarctic are very slow. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Permafrost and Periglacial Processes Wiley

Mechanical weathering rates on Signy Island, maritime antarctic

Permafrost and Periglacial Processes , Volume 1 (1) – Jan 1, 1990

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References (16)

Publisher
Wiley
Copyright
Copyright © 1990 John Wiley & Sons, Ltd
ISSN
1045-6740
eISSN
1099-1530
DOI
10.1002/ppp.3430010108
Publisher site
See Article on Publisher Site

Abstract

By means of re‐evaluating a number of properties of rock tablets left in the field for varying time periods, an estimation of rock breakdown rates is attained. From data obtained during the last five years, it would appear that rates are very slow, only of the order of 2% mass loss per 100 years. These rates refer to omnidirectionally frozen, relatively wet samples and, on the basis of laboratory simulation results, are over 50 times greater than for unidirectionally frozen bedrock. It is suggested that mechanical weathering rates in the maritime Antarctic are very slow.

Journal

Permafrost and Periglacial ProcessesWiley

Published: Jan 1, 1990

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