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- W2914658636 endingPage "2270" @default.
- W2914658636 startingPage "2261" @default.
- W2914658636 abstract "Changes in the composition of dust trapped in ice provide evidence of past atmospheric circulation and earth surface conditions. Investigations of dust provenance in Antarctic ice during glacial and interglacial periods indicate that South America is the primary dust source during both climate regimes. Here, we present results from a new ice core dust archive extracted from the Taylor Glacier in coastal East Antarctica during the deglacial transition from Marine Isotope Stage 6 to 5e. Radiogenic strontium and neodymium isotopes indicate that last interglacial dust is young and volcanic, in contrast to the observed preindustrial and Holocene (Marine Isotope Stage 1) dust composition. The dust composition differences from the last interglacial and current interglacial period at the site require a profound difference in atmospheric transport and environmental conditions. We consider several potential causes for enhanced transport of volcanic material to the site, including increased availability of volcanic material and large-scale atmospheric circulation changes." @default.
- W2914658636 created "2019-02-21" @default.
- W2914658636 creator A5010051587 @default.
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- W2914658636 creator A5071026983 @default.
- W2914658636 creator A5084237081 @default.
- W2914658636 creator A5090826014 @default.
- W2914658636 date "2019-02-26" @default.
- W2914658636 modified "2023-09-26" @default.
- W2914658636 title "Dust Transport to the Taylor Glacier, Antarctica, During the Last Interglacial" @default.
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- W2914658636 doi "https://doi.org/10.1029/2018gl081887" @default.
- W2914658636 hasPublicationYear "2019" @default.