Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Inland Record of the Last Interglacial Maximum in the Western Mediterranean (Los Aljezares Pleistocene Basin, Alicante, Spain)

Version 1 : Received: 25 September 2023 / Approved: 25 September 2023 / Online: 28 September 2023 (11:26:04 CEST)

A peer-reviewed article of this Preprint also exists.

Cuevas-González, J.; Díez-Canseco, D.; Elez, J.; Pérez-Mejías, C.; Cheng, H.; Cañaveras, J.C. Inland Record of the Last Interglacial Maximum in the Western Mediterranean: Revealing the Aljezares Pleistocene Basin (Alicante, SE-Spain). Geosciences 2023, 13, 385. Cuevas-González, J.; Díez-Canseco, D.; Elez, J.; Pérez-Mejías, C.; Cheng, H.; Cañaveras, J.C. Inland Record of the Last Interglacial Maximum in the Western Mediterranean: Revealing the Aljezares Pleistocene Basin (Alicante, SE-Spain). Geosciences 2023, 13, 385.

Abstract

The search for a continuous continental record of interglacial periods in semi-arid regions is problematic due to the absence of stable and continuous sedimentary systems over time in this type of climate. In this work, a relatively stable basin is described and analyzed during the last interglacial in a semi-arid region of the western Mediterranean. For this purpose a geomorphological, stratigraphic and sedimentological study has been carried out, with dating through 230Th. A semi-endorrheic Pleistocene basin has been identified, with two units that correspond to a fluvial-lacustrine system (unit P1) and an alluvial system (unit P2). Unit P1 has been dated in the MIS 5e interglacial episode. A framework is described in which the Aljezares Quaternary basin can be considered as a possible source of paleoenvironmental and paleoclimatic information in semi-arid regions from the last interglacial period in future studies.

Keywords

Semiarid Climate; Western Mediterranean; MIS 5; Geomorphology; Sedimentology

Subject

Environmental and Earth Sciences, Geophysics and Geology

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