Journal
JOURNAL OF MAPS
Volume 16, Issue 2, Pages 790-804Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17445647.2020.1833768
Keywords
Sierra de Gredos; glacial geomorphological mapping; last glacial maximum; last glacial termination; Holocene
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Funding
- Spanish Ministry of Science and Innovation (MINECO) [CGL2016-78380-P]
- University of Castilla-La Mancha Research Group (UCLM) [2020-GRIN-28992]
- Chilean Ph.D. Fellowship CONICYT [21161417]
- ANID Millennium Science Initiative/Millennium Nucleus Paleoclimate
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We present a detailed geomorphological map of the landform assemblages originated by the two major paleoglaciers of the Sierra de Gredos mountain range in the Spanish Iberian Central System. Based on previous works, our map focused on the features formed by Gredos and Pinar paleoglaciers during the last glaciation and subsequent glacial events. Based on a remote sensing analysis and exhaustive field surveys, we identified with great accuracy the local distribution of glacial, periglacial, mass movement, structural, fluvial, and lacustrine features. We recognized three main glacial geomorphological formations representing: (i) the maximum glacial extension reached (peripheral deposits); (ii) the culmination of glacial conditions (principal moraines) and (iii) the local glacial withdrawal (internal deposits). Our map offers a renewed spatial framework on which to conduct higher-resolution glacial chronologies, especially of Late Glacial and Holocene glacial activity, providing key information for performing future paleoclimatic reconstructions of the northern hemisphere mid-latitudes.
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