Lateglacial climate change and coastal evolution in western Jura,Scottish Inner Hebrides |
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Authors: | Dawson A.G. Smith D.E. Dawson S. Brooks C.L. Foster I.D.L. Tooley M.J. |
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Affiliation: | (1) Centre for Quaternary Science, William Morris Building, Coventry University, Priory Street, Coventry, CV1 5FB, U.K.;(2) 18 Bullfinch Close, Creekmoor, Poole, PH17 7UP, U.K.;(3) School of Geography, Kingston University, Penrhyn Road, Kingston upon Thames, Surrey, KT1 2EE, U.K |
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Abstract: | The geomorphic and sedimentological evidence for former sea-level changes in the exposed coastline of western Jura shows a clear coastal response to past changes in climate. In particular the rapid and high-magnitude climate changes associated with the onset and termination of the Younger Dryas appear to have been accompanied by major changes in coastal response. In western Jura, the temperate climate of the Lateglacial Interstadial was associated with beach-ridge deposition, with the earlier part of this period being associated with larger ridges than the latter. By contrast, the cold climate during the Younger Dryas appears to have been dominated by frost processes, sea-ice development and rapid rates of coastal erosion of bedrock. Cold-climate shore erosion of bedrock appears to have ended suddenly at the close of the Younger Dryas. |
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Keywords: | beach ridges Lateglacial Interstadial shore platforms Younger Dryas |
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