Preprints
https://doi.org/10.5194/essd-2021-150
https://doi.org/10.5194/essd-2021-150

  04 May 2021

04 May 2021

Review status: this preprint is currently under review for the journal ESSD.

A review of Last Interglacial sea-level proxies in the Western Atlantic and Southwestern Caribbean, from Brazil to Honduras

Karla Rubio-Sandoval1, Alessio Rovere1, Ciro Cerrone2, Paolo Stocchi3, Thomas Lorscheid1, Thomas Felis1, Ann-Kathrin Petersen1, and Deirdre D. Ryan1 Karla Rubio-Sandoval et al.
  • 1MARUM - Center for Marine Environmental Sciences, University of Bremen, Germany
  • 2Dipartimento di Scienze della Terra, Universitá degli Studi di Pisa, Italy
  • 3NIOZ, Royal Netherlands Institute for Sea Research, Coastal Systems Department, and Utrecht University, PO Box 59 1790 AB Den Burg (Texel), The Netherlands

Abstract. In this paper, we use a standardized template for Pleistocene sea-level data to review last interglacial (MIS 5) sea-level indicators along the coasts of the Western Atlantic and Southwestern Caribbean, on a transect spanning from Brazil to Honduras, and including the islands of Aruba, Bonaire, and Curaçao. Our review produced 55 standardized datapoints, each assigned to one or more geochronological constraints. Sea-level index points are well preserved along the Brazilian coasts, providing an almost continuous north-to-south transect. Despite this and the variety of relative sea-level indicators (i.e. beach deposits, coral reef terraces, marine terraces, Ophiomorpha burrows, and tidal notches) our data compilation highlights several concerns related to age control and the accuracy of elevation measurements. We identify that the coasts of Northern Brazil, French Guyana, Suriname, Guyana, and Venezuela would benefit from a renewed study of Pleistocene sea-level indicators, as it was not possible to identify sea-level index for the last interglacial coastal outcrops along the coasts of these countries. Future research must also be directed at improving the chronological control at several locations, and several sites would benefit from re-measurement of sea-level index points using more accurate elevation measurement techniques. Our database contribution represents a starting point to detail the last interglacial sea-level history in this area. The database is available at the following link: https://zenodo.org/record/4727850 (Version 1.01; Rubio-Sandoval et al., 2021).

Karla Rubio-Sandoval et al.

Status: open (until 29 Jun 2021)

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Karla Rubio-Sandoval et al.

Data sets

Last Interglacial sea-level proxies in the Western Atlantic and Southwestern Caribbean, from Brazil to Honduras Rubio-Sandoval, K., Rovere, A., Cerrone, C, Stocchi, P., Lorscheid, T., Felis, T., Petersen, A. K., and Ryan, D. D. https://zenodo.org/record/4727850

Karla Rubio-Sandoval et al.

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Short summary
In this paper, we use a standardized template for Pleistocene sea-level data to review Last Interglacial (here broadly defined as having formed during Marine Isotopic Stage [MIS] 5, 132–80 ka) sea-level indicators along the coasts of the Western Atlantic and mainland Caribbean, on a transect spanning from Brasil to Honduras, and including the islands of Aruba, Bonaire, and Curaçao. Our review produced 55 standardized datapoints, each assigned to one or more age constraints.