Articles | Volume 20, issue 3
Research article
21 Mar 2024
Research article |  | 21 Mar 2024

Abrupt warming and alpine glacial retreat through the last deglaciation in Alaska interrupted by modest Northern Hemisphere cooling

Joseph P. Tulenko, Jason P. Briner, Nicolás E. Young, and Joerg M. Schaefer


Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on cp-2023-75', Anonymous Referee #1, 13 Oct 2023
    • AC1: 'Reply on RC1', Joseph Tulenko, 26 Jan 2024
  • RC2: 'Comment on cp-2023-75', Anonymous Referee #2, 26 Oct 2023
    • AC2: 'Reply on RC2', Joseph Tulenko, 26 Jan 2024

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Publish subject to minor revisions (review by editor) (29 Jan 2024) by Alberto Reyes
AR by Joseph Tulenko on behalf of the Authors (29 Jan 2024)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (03 Feb 2024) by Alberto Reyes
AR by Joseph Tulenko on behalf of the Authors (05 Feb 2024)  Manuscript 
Short summary
We take advantage of a site in Alaska – where climate records are limited and a former alpine glacier deposited a dense sequence of moraines spanning the full deglaciation – to construct a proxy summer temperature record. Building on age constraints for moraines in the valley, we reconstruct paleo-glacier surfaces and estimate the summer temperatures (relative to the Little Ice Age) for each moraine. The record suggests that the influence of North Atlantic climate forcing extended to Alaska.