Coastal morpho-stratigraphy and Holocene relative sea level changes at Tuapaat, southeastern Disko Island, central West Greenland

The geomorphology of a coarse clastic coastal landscape at Tuapaat (69°24'N 52°36'W), southeastern Disko Island, central West Greenland, is described, and a coastal morpho-stratigraphy of the landscape is constructed. 14C ages on marine shells, whale bones, peat and gyttja are used to cons...

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Bibliographic Details
Published in:Polar Research
Main Authors: Rasch, Morten, Nielsen, Niels
Format: Article in Journal/Newspaper
Language:English
Published: Norwegian Polar Institute 1995
Subjects:
Greenland
Polar Research
Online Access:https://polarresearch.net/index.php/polar/article/view/1952
https://doi.org/10.3402/polar.v14i3.6668
Description
Summary:The geomorphology of a coarse clastic coastal landscape at Tuapaat (69°24'N 52°36'W), southeastern Disko Island, central West Greenland, is described, and a coastal morpho-stratigraphy of the landscape is constructed. 14C ages on marine shells, whale bones, peat and gyttja are used to construct relative sea level changes throughout the Holocene. The emergence of SE Disko Island occurred in the early part of the Holocene. The Holocene marine limit is situated ca. 80m a.s.l. Between 4.7 and 1.0ka BP, the relative sea level approached the present sea level and it has probably been below present sea level between 4.7 ka BP and the present. The morpho-stratigraphy in the lowest part of the coastal landscape at Tuapaat suggests a complex late Holocene relative sea level history which includes at least 3-4 transgressions during the last ca. 2.5 ka.

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