The influence of tectonically derived relief and climate on the extent of the last Glaciation east of the Patagonian ice fields (Argentina, Chile)

Wenzens, Gerd

doi:10.1016/s0040-1951(01)00219-0

Cited by 28 publications

(19 citation statements)

References 21 publications

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“…at the north-eastern margin of the HPS (Fig. 1) in a linear north-south orientated fracture-zone of the Patagonian fold-thrust belt (Wenzens, 2002). Different pre-Quaternary igneous and metamorphic rocks and Late Pleistocene sediments form the surrounding geological basement.…”

Section: Study Sitementioning

confidence: 99%

Reconstructing 2000years of hydrological variation derived from laminated proglacial sediments of Lago del Desierto at the eastern margin of the South Patagonian Ice Field, Argentina

Kastner

Enters

Ohlendorf

et al. 2010

Global and Planetary Change

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Section: Study Sitementioning

confidence: 99%

Reconstructing 2000years of hydrological variation derived from laminated proglacial sediments of Lago del Desierto at the eastern margin of the South Patagonian Ice Field, Argentina

Kastner

Enters

Ohlendorf

et al. 2010

Global and Planetary Change

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“…Results of geomorphological investigations indicate that the entire lake catchment area was not affected by icefield outlet glaciers during the last glaciation (Rabassa and Clapperton, 1990; Wenzens, 2002, 2004) and hence the lake was mostly disconnected from massive glacial or meltwater inputs. Previous studies have also shown that Lago Cardiel is very sensitive to hydrological changes, as confirmed by several palaeoshorelines that were first described and dated by Galloway et al .…”

Section: Study Area: the Cardiel And Strobel Basinsmentioning

confidence: 99%

Lake‐level changes in central Patagonia (Argentina): crossing environmental thresholds for Lateglacial and Holocene human occupation

Ariztegui

Gilli

Anselmetti

et al. 2009

J Quaternary Science

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The role and extent of climate as a cause of the expansion and decline of human cultures is still debatable. It is clear, however, that human-environment interactions are enhanced and interplay more closely in climatically sensitive areas such as around hydrologically closed basins. Lago Cardiel is located at 498 S in the very arid rain shadow east of the Andes, providing an exceptionally receptive system to changes in hydrological balance. Results of a geophysical survey combined with sedimentological and geochemical studies provide a continuous Lateglacial-Holocene record of substantial water-level changes. These variations, combined with archaeological results from the catchment area, offer a unique possibility to explore the pattern of peopling within this remote area of the globe and its possible relation to climate change. Human occupation in Patagonia is well documented towards the Andes throughout the entire Holocene. Archaeological data from the Lago Cardiel basin, however, show an apparent lack of human activity during the first part of this period, which coincides with well-constrained high lake levels. Our results show an intriguing coincidence between low lake level and increasing human occupation, suggesting that the Lago Cardiel basin has focused human use during intervals with relatively lower effective moisture such as during the Late Pleistocene, but its evidence may have been submerged. This interpretation is confirmed by archaeological remains from Lago Strobel, another perennial lake with a comparable catchment located in the same climatic region and thus sharing the same climatic history as Lago Cardiel.

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“…The deglaciation in Patagonia had several retreats and advances (Mercer, 1968(Mercer, , 1970Strelin and Malagnino, 2000;Wezens, 2002). However, glacial evolution is complicated, especially between northern and southern Patagonia (Moreno, 2002).…”

Section: Regional Settingmentioning

confidence: 99%

Early formation of gnammas (weathering pits) in a recently glaciated area of Torres del Paine, southern Patagonia (Chile)

Domínguez‐Villar

2006

Geomorphology

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The influence of tectonically derived relief and climate on the extent of the last Glaciation east of the Patagonian ice fields (Argentina, Chile)

Cited by 28 publications

References 21 publications

Reconstructing 2000years of hydrological variation derived from laminated proglacial sediments of Lago del Desierto at the eastern margin of the South Patagonian Ice Field, Argentina

Reconstructing 2000years of hydrological variation derived from laminated proglacial sediments of Lago del Desierto at the eastern margin of the South Patagonian Ice Field, Argentina

Lake‐level changes in central Patagonia (Argentina): crossing environmental thresholds for Lateglacial and Holocene human occupation

Early formation of gnammas (weathering pits) in a recently glaciated area of Torres del Paine, southern Patagonia (Chile)

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