2022
DOI: 10.1016/j.geomorph.2022.108381
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Terrestrial cosmogenic 10Be dating of the Última Esperanza ice lobe moraines (52°S, Patagonia) indicates the global Last Glacial Maximum (LGM) extent was half of the local LGM

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Cited by 6 publications
(16 citation statements)
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“…Regarding the gLGM glacier culminations observed on Kerguelen at 21.5 ± 3.2 ka (PJDA moraine), at 21.4 ± 3.7 ka (B1 moraine) and at 19.4 ± 2.6 ka (B2 moraine), it is noteworthy that evidence of gLGM advances is missing so far on any other sub-Antarctic islands, such as on Marion Island. However, the Alpine ICE-D dataset ( 10 Be, 26 Al and 3 He CRE ages; Supplementary Tables 1, 2, 3) provides information on numerous moraines dated within this period in Australia and Tasmania (nmoraines=5; e.g., Kiernan et al, 2004), in New Zealand (nmoraines=23;e.g., Putnam et al, 2013;Denton et al, 2021;Tielidze et al, 2022) and Patagonia (nmoraines=21; e.g., Kaplan et al, 2007;Leger et al, 2021;Çiner et al, 2022). To sum up, Kerguelen glacier culminations during the gLGM are synchronous with the global event that also occurred throughout the southern mid-latitudes (Fig.…”
Section: Comparison With Other Moraine Chronologies In the Southern M...mentioning
confidence: 80%
“…Regarding the gLGM glacier culminations observed on Kerguelen at 21.5 ± 3.2 ka (PJDA moraine), at 21.4 ± 3.7 ka (B1 moraine) and at 19.4 ± 2.6 ka (B2 moraine), it is noteworthy that evidence of gLGM advances is missing so far on any other sub-Antarctic islands, such as on Marion Island. However, the Alpine ICE-D dataset ( 10 Be, 26 Al and 3 He CRE ages; Supplementary Tables 1, 2, 3) provides information on numerous moraines dated within this period in Australia and Tasmania (nmoraines=5; e.g., Kiernan et al, 2004), in New Zealand (nmoraines=23;e.g., Putnam et al, 2013;Denton et al, 2021;Tielidze et al, 2022) and Patagonia (nmoraines=21; e.g., Kaplan et al, 2007;Leger et al, 2021;Çiner et al, 2022). To sum up, Kerguelen glacier culminations during the gLGM are synchronous with the global event that also occurred throughout the southern mid-latitudes (Fig.…”
Section: Comparison With Other Moraine Chronologies In the Southern M...mentioning
confidence: 80%
“…In southern Patagonia, results from moraine boulders indicate that the Torres del Paine and Última Esperanza (Fig. 1B) outlet lobes expanded during MIS 3, with ice advances culminating at ∼48, 39, 35 ka (Çiner et al, 2022;García et al, 2018;Girault et al, 2022;Sagredo et al, 2011), indicating that the MIS 2 advance was half the extent of the local LGM during MIS 3 (Fig. 6B).…”
Section: Comparison With Other Glacial Records During Marine Isotopic...mentioning
confidence: 99%
“…Chronologie de la déglaciation et de la régression lacustre au Cerro Benítez par 10 Be cosmogénique produit in situ : article publié dans la revue Quaternary Science Reviews (Girault et al, 2022). La place de la spéléogenèse au sein de cette séquence morphogénétique fait l'objet de controverses.…”
Section: Chapitreunclassified
“…L'objectif de notre étude est d'élucider l'origine des cavités du Cerro Benítez. Les modèles spéléogénétiques proposés par les auteurs précédents feront d'abord l'objet d'une revue critique à la lumière de la littérature académique existante, et en particulier de nos récents travaux sur la chronologie de la déglaciation au Cerro Benítez (Girault et al, 2022). Nous tâcherons ensuite de contraindre les processus d'ouverture des cavités à partir de données nouvelles tirées de l'exploration géophysique du sous-sol, associée à la modélisation 3D numérique des cavités.…”
Section: Chapitreunclassified
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