Holocene environmental and climate evolution of central west Patagonia as reconstructed from lacustrine sediments of Meseta Chile Chico (46.5° S, Chile)

Holocene environmental and climate evolution of central west Patagonia as reconstructed from lacustrine sediments of Meseta Chile Chico (46.5° S, Chile)

Holocene environmental changes in Patagonia were mostly shaped by fluctuating ice cover recession. Consequently, environmental reconstructions are largely based on discontinuous moraine chronologies from valley deposits. Here, we present a 3 m long continuous sediment record recovered from Laguna Me...

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Veröffentlicht in:Climate of the past 2024-04, Vol.20 (4), p.817-839
Hauptverfasser: Franco, Carolina, Maldonado, Antonio, Ohlendorf, Christian, Gebhardt, A. Catalina, de Porras, María Eugenia, Nuevo-Delaunay, Amalia, Méndez, César, Zolitschka, Bernd
Format: Artikel
Sprache:eng
Schlagworte:
Allochthonous deposits
Archives & records
Carbon 14
Climate
Climate control
Climatic evolution
Environmental aspects
Environmental changes
Glacial drift
Glacial periods
Glaciers
Holocene
Holocene glaciation
Ice caps
Ice cover
Ice fields
Ice sheets
Lacustrine sedimentation
Lacustrine sediments
Lakes
Moraines
Oscillations
Precipitation
Precipitation variability
Productivity
Radiocarbon dating
Sediment
Sedimentation
Sediments
Sediments (Geology)
Southern Hemisphere
Spatial variations
Topography
Valleys
Vegetation
Westerlies
Winds
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Beschreibung
Zusammenfassung:Holocene environmental changes in Patagonia were mostly shaped by fluctuating ice cover recession. Consequently, environmental reconstructions are largely based on discontinuous moraine chronologies from valley deposits. Here, we present a 3 m long continuous sediment record recovered from Laguna Meseta (LME), a lake located on Meseta Chile Chico. Its altitude and location relative to the North Patagonian Icefield provide a unique opportunity to reconstruct the glacial history and related environmental dynamics.
ISSN:1814-9332
1814-9324
1814-9332
DOI:10.5194/cp-20-817-2024