23 Nov 2020
23 Nov 2020
Last Interglacial sea-level proxies in East Africa and the Western Indian Ocean
- 1MARUM - Center for Marine Environmental Sciences, University of Bremen, Germany
- 2Aix Marseille Université, CNRS, IRD, Collège de France, CEREGE, France
- 3Sedimentary Basins Research Group, School of Geosciences, University of Louisiana at Lafayette, USA
- 1MARUM - Center for Marine Environmental Sciences, University of Bremen, Germany
- 2Aix Marseille Université, CNRS, IRD, Collège de France, CEREGE, France
- 3Sedimentary Basins Research Group, School of Geosciences, University of Louisiana at Lafayette, USA
Abstract. In this paper, we describe a sea-level database compiled using published Last Interglacial, Marine Isotopic Stage 5 (MIS 5), geological sea-level proxies within Eastern Africa and the Western Indian Ocean (EAWIO). Encompassing vast tropical coastlines and coralline islands, this region has many occurrences of well preserved last interglacial stratigraphies. Most notably, islands almost entirely composed by Pleistocene reefs (such as Aldabra, the Seychelles) have provided reliable paleo relative sea-level indicators and well-preserved samples for U-series chronology. Other sea-level proxies include uplifted marine terraces in the north of Somalia and tidal notches in luminescence limited aeolian deposits in Mozambique. Our database has been compiled using the World Atlas of Last Interglacial Shorelines (WALIS) interface and contains 57 sea-level indicators and 2 terrestrial limiting data points. The database is available open access at https://doi.org/10.5281/zenodo.4043366 (Version 1.02) (Boyden et al., 2020).
Patrick Boyden et al.


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RC1: 'Boyden et al., “Last Interglacial sea-level proxies in East Africa and the Western Indian Ocean”', Anonymous Referee #1, 06 Jan 2021
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RC2: 'Review of Borden et al "Last Interglacial sea-level proxies in East Africa and the Western Indian Ocean"', Anonymous Referee #2, 08 Jan 2021
Patrick Boyden et al.
Data sets
Database of last interglacial sea level proxies in the East Africa and Western Indian Ocean Region Patrick Boyden, Jennifer Weil-Accardo, Pierre Deschamps, Davide Oppo, and Alessio Rovere https://doi.org/10.5281/zenodo.4275634
Patrick Boyden et al.
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