Volcanoes, ice-cores and tree-rings, one story or two?

• Autores: M. G. L. Baillie
• Localización: Antiquity, ISSN 0003-598X, Vol. 84, Nº 323, 2010, págs. 202-215
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Good archaeology relies on ever more precise dates - obtainable, notably, from ice-cores and dendrochronology. These each provide year-by-year sequences, but they must be anchored at some point to real historical time, by a documented volcanic eruption, for example. But what if the dating methods don't agree? Here the author throws down the gauntlet to the ice-core researchers - their assigned dates are several years too old, probably due to the spurious addition of "uncertain" layers. Leave these out and the two methods correlate exactly...