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Papers in Earth Sciences

Miscellaneous papers in Earth Sciences, A

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Papers 1 - 20 of 59,918 in Miscellaneous, A
  1. The conceptual ability to source, combine, and store substances that enhance technology or social practices represents a benchmark in the evolution of complex human cognition. Excavations in 2008 at Blombos Cave, South Africa, revealed a processing…
  2. Pollen recovered from core tops of deep-sea cores from offshore northwestern Western Australia were used to build climatic transfer functions applied to sediment samples from major rivers bordering the ocean in the same region and a deep-sea core…
  3. We present a sea-ice record from northern Greenland covering the past 10,000 years. Multiyear sea ice reached a minimum between ~8500 and 6000 years ago, when the limit of year-round sea ice at the coast of Greenland was located ~1000 kilometers to…
  4. Dune fields and loess deposits of the Great Plains of North America contain stratigraphic records of eolian activity that can be used to extend the short observational record of drought. We present a 10,000 yr reconstruction of dune activity and…
  5. We present measurements of the stable carbon isotope ratio in air extracted from Antarctic ice core and firn samples. The same samples were previously used by Etheridge and co-workers to construct a high precision 1000-year record of atmospheric CO2…
  6. Work was supported by the Ministry of Science and Technology of China (2005CB422004), the Anthropogenic versus natural sources of atmospheric sulphate from an Alpine , Tellus, Ser. Shrestha, AB, CP , JE Dibb, PA Mayewski, SI Whitlow, GR Carmichael,…
  7. A suite of inorganic and organic geochemical tracers and a low-oxygen tolerant benthic faunal index (`PEB') were measured in a 14C-dated 2+m long gravity core collected on the Louisiana shelf adjacent to the Mississippi River delta to study…
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