Colonization of the Americas, ‘little ice age’ climate, and bombproduced carbon: Their role in defining the anthropocene

Jan Zalasiewicz, Colin N. Waters, Anthony D. Barnosky, Alejandro Cearreta, Matt Edgeworth, Erle C. Ellis, Agnieszka Gałuszka, Philip L. Gibbard, Jacques Grinevald, Irka Hajdas, Juliana Ivar Do Sul, Catherine Jeandel, Reinhold Leinfelder, J. R. McNeill, Clément Poirier, Andrew Revkin, Daniel De B Richter, Will Steffen, Colin Summerhayes, James P M SyvitskiDavor Vidas, Michael Wagreich, Mark Williams, Alexander P. Wolfe

Veröffentlichungen: Beitrag in FachzeitschriftArtikelPeer Reviewed

Abstract

A recently published analysis by Lewis and Maslin (Lewis SL and Maslin MA (2015) Defining the Anthropocene. Nature 519: 171-180) has identified two new potential horizons for the Holocene-Anthropocene boundary: 1610 (associated with European colonization of the Americas), or 1964 (the peak of the excess radiocarbon signal arising from atom bomb tests). We discuss both of these novel suggestions, and consider that there is insufficient stratigraphic basis for the former, whereas placing the latter at the peak of the signal rather than at its inception does not follow normal stratigraphical practice. Wherever the boundary is eventually placed, it should be optimized to reflect stratigraphical evidence with the least possible ambiguity.
OriginalspracheEnglisch
Seiten (von - bis)117-127
Seitenumfang11
FachzeitschriftThe Antropocene Review
Jahrgang2
Ausgabenummer2
DOIs
PublikationsstatusVeröffentlicht - Aug. 2015

ÖFOS 2012

  • 105205 Klimawandel
  • 105112 Historische Geologie
  • 105123 Stratigraphie

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