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Holocene 16 (4)
Title
The title of the publication or report
Title:
Holocene 16 (4)
Series
The series the publication or report is included in
Series:
The Holocene
Volume
Volume number and part
Volume:
16 (4)
Publication Type
The type of publication - report, monograph, journal article or chapter from a book
Publication Type:
Journal
Editor
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Editor:
John A Matthews
Publisher
The publisher of the publication or report
Publisher:
Sage Publications
Year of Publication
The year the book, article or report was published
Year of Publication:
2006
Source
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Source:
BIAB (The British & Irish Archaeological Bibliography (BIAB))
Relations
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Relations:
URI:
http://hol.sagepub.com/content/vol16/issue4/
Created Date
The date the record of the pubication was first entered
Created Date:
02 May 2007
Please click on an Article link to go to the Article Details.
Article Title
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Abstract
Mid-to late-Holocene relative sea-level change in southwest Britain and the influence of sediment compaction
R J Edwards
575 - 587
It is argued that relative sea-level changes in southwest Britain are poorly constrained because of limitations in the quality and quantity of existing geological data, and that as a consequence, in contrast to most other regions in the UK, it is not possible to reliably infer rates of land and sea-level change during the last few thousand years. Furthermore, it is argued that geologically based sea-level reconstructions from this area display significant misfits with relative sea-level predictions based on a recent global model of the glacio-isostatic adjustment process. The paper presents a new record of relative sea-level change for the last 4000 years derived from radiocarbon-dated sea-level index points. In addition to providing information concerning the pattern and rates of late Holocene sea-level change, these data are used to evaluate the suggestion that the apparent misfits between model predictions and geological reconstructions can be satisfactorily explained as a consequence of the lowering of sea-level index points by sediment compaction. The results indicate that a simple, first-order method of decompaction based on the stratigraphic position of sea-level index points, can eliminate much of the misfit between reconstructions and predictions, and substantially reduce vertical scatter in geological data. They also suggest that the influence of compaction on sea-level data from this region may be larger than previously thought. The simple addition of reliable stratigraphic data, in combination with targeted sampling, has the potential to improve our understanding of the compaction process, and increase the utility of existing data. This is increasingly important as the partnership between geophysical modelling and geological investigation becomes more commonplace in sea-level studies around the world.