Detailed geomorphological survey was undertaken in the area of Puerto Deseado (Santa Cruz Province, Argentina) for reconstructing Relative Sea Level (RSL) position during the Last Interglacial highstand. The presence of active and well-preserved abrasive notches and terrace inner margins related to the Holocene and MIS5e, measured with DGPS, allowed to accurately estimate at ca. 21 m the RSL change from present to MIS5e highstand. These measurements support the notion of the presence of a significant regional tectonic uplift in the Atlantic Patagonia, which can be locally estimated at ca. 0,12 mm/yr.
Coastal landscape evolution and sea-level change: A case study from Central Patagonia (Argentina)
PAPPALARDO, MARTA
;BINI, MONICA;CONSOLONI, ILARIA;RIBOLINI, ADRIANO;ZANCHETTA, GIOVANNI
2015-01-01
Abstract
Detailed geomorphological survey was undertaken in the area of Puerto Deseado (Santa Cruz Province, Argentina) for reconstructing Relative Sea Level (RSL) position during the Last Interglacial highstand. The presence of active and well-preserved abrasive notches and terrace inner margins related to the Holocene and MIS5e, measured with DGPS, allowed to accurately estimate at ca. 21 m the RSL change from present to MIS5e highstand. These measurements support the notion of the presence of a significant regional tectonic uplift in the Atlantic Patagonia, which can be locally estimated at ca. 0,12 mm/yr.File in questo prodotto:
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