Arctic Climate Change: Past, Present and Future

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 2937

Special Issue Editors


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Guest Editor
Danish Meteorological Institute, Lyngbyvej 100, DK-2100 Copenhagen Ø, Denmark
Interests: arctic climate changes in past, present and future; atmospheric ciculation imprints on paleoclimate archives; modelling and observations of water isotopes in the hydrological cycle; cryosphere-atmophere interaction
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
University of Bergen, 5007 Bergen, Norway
Interests: arctic climate changes in past, present and future; atmospheric ciculation imprints on paleoclimate archives; modelling and observations of water isotopes in the hydrological cycle; cryosphere-atmophere interaction

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Guest Editor
Climate Physics at the Niels Bohr Institute, Copenhagen University, Nørregade 10, 1165 København, Denmark
Interests: climate phenomena and their role in the climate system; regional climate modeling; regional climate change; arctic teleconnections with lower latitutes; arctic climate change and variability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Arctic is changing rapidly: Temperatures are rising twice as fast as the global average; spring time snow cover and sea ice are declining, the Greenland Ice Sheet is losing mass, and permafrost is degrading in many regions. Temperature gradients, both near the surface and in the upper troposphere, are changing, influencing the circulation in large parts of the Northern Hemisphere and impacting oceanic circulation as well. Observations of Arctic climate change is, in most cases, limited to a few centuries. Paleo climate studies provide an excellent extension of our time series and allow comparison of current drastic changes to past abrupt climate changes. Synergistic studies of past and present changes have the potential to provide an increased understanding of the mechanisms driving Arctic climate change.

This Special Issue focuses on soliciting papers that document Arctic change and contribute to an improved understanding of these changes, both past, present and future. Examples of particularly interesting topics include, but are not restricted to

  • Evolution of atmospheric and surface processes as well as their mutual coupling under a rapidly changing Arctic climate
  • Prediction of changes in Arctic climate
  • Budgets of heat and moisture and their changes in the Arctic
  • Sea ice retreat and feedback processes
  • Paleo studies of Arctic climate change
  • Identification of risks for changes and tipping points in both future and past climates
  • Coupling between the Arctic and lower latitudes
  • Implications of Artic climate changes on regional and global scale.
  • Studies that use the paleo climate understanding to describe future changes

Dr. Martin Stendel
Dr. Anne Katrine Faber
Prof. Jens Hesselbjerg Christensen
Guest Editors

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Keywords

  • arctic
  • climate change
  • paleo climate
  • tipping points
  • atmospheric circulation
  • sea ice retreat

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Published Papers (1 paper)

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Research

11 pages, 2472 KiB  
Article
Concurrent Changepoints in Greenland Ice Core δ18O Records and the North Atlantic Oscillation over the Past Millennium
by István Gábor Hatvani, Dániel Topál, Eric Ruggieri and Zoltán Kern
Atmosphere 2022, 13(1), 93; https://doi.org/10.3390/atmos13010093 - 7 Jan 2022
Cited by 3 | Viewed by 1844
Abstract
Structural changes, or changepoints, coinciding in multiple ice core records over the Greenland Ice Sheet (GrIS) may reflect a widespread response of the GrIS to atmospheric forcing. Thus, to better understand how atmospheric circulation may regulate sudden changes in δ18O of [...] Read more.
Structural changes, or changepoints, coinciding in multiple ice core records over the Greenland Ice Sheet (GrIS) may reflect a widespread response of the GrIS to atmospheric forcing. Thus, to better understand how atmospheric circulation may regulate sudden changes in δ18O of Greenland precipitation, we seek synchronous changepoints occurring in ice core-derived δ18O time series across the GrIS and in the North Atlantic Oscillation (NAO) over the past millennium. By utilizing a Bayesian changepoint detection method, four changepoint horizons were revealed: at the beginning of the 20th century, in the late-15th century, and around the turn of the 11th and 10th centuries. Although the changepoints in ice core δ18O records exhibited distinctive spatial arrangements in each horizon, all corresponded to changepoints in the NAO, indicative of a consistent atmospheric influence on GrIS surface changes over the past millennium. Full article
(This article belongs to the Special Issue Arctic Climate Change: Past, Present and Future)
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