Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142540
Title: Holocene sea-level database from the Atlantic coast of Europe
Authors: García-Artola, Ane
Stéphan, Pierre
Cearreta, Alejandro
Kopp, Robert E.
Khan, Nicole S.
Horton, Benjamin Peter
Keywords: Science::Geology
Issue Date: 2018
Source: García-Artola, A., Stéphan, P., Cearreta, A., Kopp, R. E., Khan, N. S., & Horton, B. P. (2018). Holocene sea-level database from the Atlantic coast of Europe. Quaternary Science Reviews, 196, 177-192. doi:10.1016/j.quascirev.2018.07.031
Journal: Quaternary Science Reviews
Abstract: High-quality relative sea-level (RSL) data reveal spatial and temporal variations in crustal movements during the Holocene, which are used for many applications, ranging from calibrating models of earth rheology and ice sheet reconstructions to the development of coastal lowlands and human occupation. Here, we present a Holocene RSL database for the Atlantic coast of Europe (ACE) and estimate rates of RSL change from the ACE database using a spatio-temporal empirical hierarchical model. The database contains 214 index points, which locate the RSL position in space and time, and 126 limiting dates, which constrain RSL to above or below a certain elevation at a specific point in time. The temporal distribution extends from present to ∼11.5 ka, with only 42 index points older than 7 ka. The spatial distribution spans 1700 km from French Flanders (France) to Algarve (Portugal), with more than half of the index points concentrated along the French coast. The ACE database shows RSL was below present during the Holocene. Rates of RSL change were highest during the early Holocene, ranging between 6.8 ± 0.5 mm yr−1 in middle Portugal and 6.3 ± 0.8 mm yr−1 in southern France from 10 to 7 ka. Mid-to late-Holocene rates decreased over time with rates ranging between 0.9 ± 0.4 mm yr−1 in middle France and 0.1 ± 0.5 mm yr−1 in middle Portugal from 4 ka to present. Comparison of the RSL data to output from a glacial-isostatic adjustment model suggests that deglaciation of the British-Irish and Fennoscandian Ice Sheets dominates the large-scale variability captured by the ACE database, which reflects a decreasing influence of the collapsing British-Irish and Fennoscandian peripheral forebulge that migrated from the northeast to the northwest after ∼4 ka.
URI: https://hdl.handle.net/10356/142540
ISSN: 0277-3791
DOI: 10.1016/j.quascirev.2018.07.031
Schools: Asian School of the Environment 
Research Centres: Earth Observatory of Singapore 
Rights: © 2018 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:ASE Journal Articles

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