Climate of the Past
Climate of the Past
CP
Articles | Volume 18, issue 5
Articles | Volume 18, issue 5
https://doi.org/10.5194/cp-18-1109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-18-1109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 5
Research article
 | 
23 May 2022
Research article |  | 23 May 2022

Expression of the “4.2 ka event” in the southern Rocky Mountains, USA

David T. Liefert and Bryan N. Shuman

Viewed

Total article views: 3,333 (including HTML, PDF, and XML)
HTML PDF XML Total Supplement BibTeX EndNote
2,272 949 112 3,333 246 99 119
  • HTML: 2,272
  • PDF: 949
  • XML: 112
  • Total: 3,333
  • Supplement: 246
  • BibTeX: 99
  • EndNote: 119
Views and downloads (calculated since 19 Nov 2021)
Cumulative views and downloads (calculated since 19 Nov 2021)

Viewed (geographical distribution)

Total article views: 3,333 (including HTML, PDF, and XML) Thereof 3,189 with geography defined and 144 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 
Latest update: 06 Feb 2026
Download
Short summary
A large drought potentially occurred roughly 4200 years ago, but its impacts and significance are unclear. We find new evidence in carbonate oxygen isotopes from a mountain lake in southeastern Wyoming, southern Rocky Mountains, of an abrupt reduction in effective moisture (precipitation–evaporation) or snowpack from approximately 4200–4000 years ago. The drought's prominence among a growing number of sites in the North American interior suggests it was a regionally substantial climate event.
Read more
Share