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The multi-millennial Antarctic commitment to future sea-level rise
Despite computational and methodological uncertainties, and a wide range of potential greenhouse gas emissions, here millennial-scale simulations of the Antarctic Ice Sheet in a warming climate show that most of Antarctica’s fringing ice shelves will…
Onset of Antarctic Circumpolar Current 30 million years ago as Tasmanian Gateway aligned with westerlies
Neodymium isotopes from fossil fish teeth and tectonic reconstructions show that the deep Tasmanian Gateway opened up about 33 million years ago and that the Antarctic Circumpolar Current arose 30 million years ago, when the gateway probably moved…
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MegaRegions
Emerging MegaRegions in the Unites States. Megaregions are characterized by a socio-spatial expansion of population, commerce, and resources across a…