Relative sea-level trends during the early-middle Holocene along the eastern coast of mainland Scotland, UK

D.E. Smith, Callum Firth, R.A. Cullingford

Research output: Contribution to journalArticle

Abstract

Previously published radiocarbon-dated horizons relating to early and middle Holocene relative sea-level change along the eastern coast of mainland Scotland are examined and trends determined. The data are modified to ensure comparability and are compared against the pattern of glacio-isostatic uplift in the area. Results show that the rate of relative sea-level rise during the Main Postglacial Transgression in the middle Holocene becomes greater towards the edge of the uplifted area, whilst the age of the Main Postglacial Shoreline becomes younger in the same direction. Linear and quadratic regression analyses disclose trends which indicate that at the 0 m HWMOST isobase of the Main Postglacial Shoreline the rate of relative sea level rise between c. 8400 and c. 7000 14C years BP (c. 9500 to c. 7900 cal. BP) was 5-11 mm/radiocarbon year or 6-11 mm/calibrated year, whilst at the same isobase the Main Postglacial Shoreline was reached between 5500 and 6100 14C years BP (between 6300 and 7000 cal. BP). The relative sea-level changes identified are compatible with a rising sea surface level offshore, which may have involved three episodes, possibly related to regional and wider deglaciation.
Original languageEnglish
Pages (from-to)185-202
Number of pages18
JournalBoreas
Volume31
Issue number2
Publication statusPublished - Jun 2002

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Postglacial
Holocene
sea level
shoreline
coast
sea level change
deglaciation
transgression
sea surface
uplift
trend
rate
sea level rise

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Smith, D.E. ; Firth, Callum ; Cullingford, R.A. / Relative sea-level trends during the early-middle Holocene along the eastern coast of mainland Scotland, UK. In: Boreas. 2002 ; Vol. 31, No. 2. pp. 185-202.
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abstract = "Previously published radiocarbon-dated horizons relating to early and middle Holocene relative sea-level change along the eastern coast of mainland Scotland are examined and trends determined. The data are modified to ensure comparability and are compared against the pattern of glacio-isostatic uplift in the area. Results show that the rate of relative sea-level rise during the Main Postglacial Transgression in the middle Holocene becomes greater towards the edge of the uplifted area, whilst the age of the Main Postglacial Shoreline becomes younger in the same direction. Linear and quadratic regression analyses disclose trends which indicate that at the 0 m HWMOST isobase of the Main Postglacial Shoreline the rate of relative sea level rise between c. 8400 and c. 7000 14C years BP (c. 9500 to c. 7900 cal. BP) was 5-11 mm/radiocarbon year or 6-11 mm/calibrated year, whilst at the same isobase the Main Postglacial Shoreline was reached between 5500 and 6100 14C years BP (between 6300 and 7000 cal. BP). The relative sea-level changes identified are compatible with a rising sea surface level offshore, which may have involved three episodes, possibly related to regional and wider deglaciation.",
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Smith, DE, Firth, C & Cullingford, RA 2002, 'Relative sea-level trends during the early-middle Holocene along the eastern coast of mainland Scotland, UK', Boreas, vol. 31, no. 2, pp. 185-202.

Relative sea-level trends during the early-middle Holocene along the eastern coast of mainland Scotland, UK. / Smith, D.E.; Firth, Callum; Cullingford, R.A.

In: Boreas, Vol. 31, No. 2, 06.2002, p. 185-202.

Research output: Contribution to journalArticle

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AB - Previously published radiocarbon-dated horizons relating to early and middle Holocene relative sea-level change along the eastern coast of mainland Scotland are examined and trends determined. The data are modified to ensure comparability and are compared against the pattern of glacio-isostatic uplift in the area. Results show that the rate of relative sea-level rise during the Main Postglacial Transgression in the middle Holocene becomes greater towards the edge of the uplifted area, whilst the age of the Main Postglacial Shoreline becomes younger in the same direction. Linear and quadratic regression analyses disclose trends which indicate that at the 0 m HWMOST isobase of the Main Postglacial Shoreline the rate of relative sea level rise between c. 8400 and c. 7000 14C years BP (c. 9500 to c. 7900 cal. BP) was 5-11 mm/radiocarbon year or 6-11 mm/calibrated year, whilst at the same isobase the Main Postglacial Shoreline was reached between 5500 and 6100 14C years BP (between 6300 and 7000 cal. BP). The relative sea-level changes identified are compatible with a rising sea surface level offshore, which may have involved three episodes, possibly related to regional and wider deglaciation.

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