Advanced

Delayed maximum northern European summer temperatures during the Last Interglacial as a result of Greenland Ice Sheet melt

Jones, T. R.; Turney, Chris S M; Lang, B.; Brooks, S. J.; Rundgren, M. LU ; Hammarlund, D. LU ; Björck, S. LU and Fogwill, Christopher J. (2017) In Geology 45(1). p.23-26
Abstract

Here we report a new quantitative mean July temperature reconstruction using non-biting midges (chironomids) from the Danish Last Interglacial (LIG) site Hollerup (spanning 127-116 ka). We find that peak mean July temperatures of 17.5 °C, similar to those of the present day (1961-1990 CE), were reached shortly before the onset of the regional Carpinus pollen zone. Through comparison to terrestrial and marine sequences we demonstrate that peak summer warmth took place some three millennia after the onset of LIG warming in Europe, a marked delay in line with records from the North Atlantic. Crucially, the warmest northern European summer temperatures appear to follow maximum Greenland Ice Sheet mass loss, implying that meltwater... (More)

Here we report a new quantitative mean July temperature reconstruction using non-biting midges (chironomids) from the Danish Last Interglacial (LIG) site Hollerup (spanning 127-116 ka). We find that peak mean July temperatures of 17.5 °C, similar to those of the present day (1961-1990 CE), were reached shortly before the onset of the regional Carpinus pollen zone. Through comparison to terrestrial and marine sequences we demonstrate that peak summer warmth took place some three millennia after the onset of LIG warming in Europe, a marked delay in line with records from the North Atlantic. Crucially, the warmest northern European summer temperatures appear to follow maximum Greenland Ice Sheet mass loss, implying that meltwater substantially reduced Atlantic Meridional Overturning Circulation and depressed European temperatures during the early part of the interglacial.

(Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Geology
volume
45
issue
1
pages
4 pages
publisher
Geological Society of America
external identifiers
  • scopus:85008419785
  • wos:000396124000008
ISSN
0091-7613
DOI
10.1130/G38402.1
language
English
LU publication?
yes
id
6842f2ba-bdde-4930-8d9e-0d57c636738c
date added to LUP
2017-03-21 15:32:50
date last changed
2017-09-18 11:33:32
@article{6842f2ba-bdde-4930-8d9e-0d57c636738c,
  abstract     = {<p>Here we report a new quantitative mean July temperature reconstruction using non-biting midges (chironomids) from the Danish Last Interglacial (LIG) site Hollerup (spanning 127-116 ka). We find that peak mean July temperatures of 17.5 °C, similar to those of the present day (1961-1990 CE), were reached shortly before the onset of the regional Carpinus pollen zone. Through comparison to terrestrial and marine sequences we demonstrate that peak summer warmth took place some three millennia after the onset of LIG warming in Europe, a marked delay in line with records from the North Atlantic. Crucially, the warmest northern European summer temperatures appear to follow maximum Greenland Ice Sheet mass loss, implying that meltwater substantially reduced Atlantic Meridional Overturning Circulation and depressed European temperatures during the early part of the interglacial.</p>},
  author       = {Jones, T. R. and Turney, Chris S M and Lang, B. and Brooks, S. J. and Rundgren, M. and Hammarlund, D. and Björck, S. and Fogwill, Christopher J.},
  issn         = {0091-7613},
  language     = {eng},
  number       = {1},
  pages        = {23--26},
  publisher    = {Geological Society of America},
  series       = {Geology},
  title        = {Delayed maximum northern European summer temperatures during the Last Interglacial as a result of Greenland Ice Sheet melt},
  url          = {http://dx.doi.org/10.1130/G38402.1},
  volume       = {45},
  year         = {2017},
}