Temperature Covariance in Tree Ring Reconstructions and Model Simulations Over the Past Millennium

Publikationstyp:
Zeitschriftenaufsatz
Metadaten:
Autoren
  • CTM Hartl-Meier
  • U Buntgen
  • JE Smerdon
  • E Zorita
  • PJ Krusic
  • FC Ljungqvist
  • L Schneider
  • J Esper
Autoren-URL
https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000413148100042&DestLinkType=FullRecord&DestApp=WOS_CPL
DOI
10.1002/2017GL073239
eISSN
1944-8007
Externe Identifier
  • Clarivate Analytics Document Solution ID: FK0CO
ISSN
0094-8276
Ausgabe der Veröffentlichung
18
Zeitschrift
GEOPHYSICAL RESEARCH LETTERS
Schlüsselwörter
  • paleoclimate
  • spatial temperature synchrony
  • millennial scale
  • radiative forcing
  • proxy model comparison
Paginierung
9458 - 9469
Datum der Veröffentlichung
2017
Status
Published
Titel
Temperature Covariance in Tree Ring Reconstructions and Model Simulations Over the Past Millennium
Sub types
  • Article
Ausgabe der Zeitschrift
44

Datenquelle: Web of Science (Lite)

Andere Metadatenquellen:
Abstract
<jats:title>Abstract</jats:title><jats:p>Spatial covariance in the simulated temperature evolution over the past millennium has been reported to exceed that of multiproxy‐based reconstructions. Here we use tree ring‐based temperature reconstructions and state‐of‐the‐art climate model simulations to assess temporal changes in Northern Hemisphere intercontinental temperature covariance during the last 1000 years. Tree ring‐only approaches reveal stronger agreement with model simulations compared to multiproxy networks. Although simulated temperatures exhibit a substantial spread among individual models, intercontinental temperature coherency is mainly driven by the cooling of large volcanic eruptions in 1257, 1452, 1600, and 1815 Common Era. The coherence of these synchronizing events appears to be elevated in several climate simulations relative to their own unforced covariance baselines and in comparison to the proxy reconstructions. This suggests that some models likely overestimate the amplitude of abrupt summer cooling in response to volcanic eruptions, particularly at larger spatial scales.</jats:p>
Autoren
  • CTM Hartl‐Meier
  • U Büntgen
  • JE Smerdon
  • E Zorita
  • PJ Krusic
  • FC Ljungqvist
  • L Schneider
  • J Esper
DOI
10.1002/2017gl073239
eISSN
1944-8007
ISSN
0094-8276
Ausgabe der Veröffentlichung
18
Zeitschrift
Geophysical Research Letters
Sprache
en
Online publication date
2017
Paginierung
9458 - 9469
Datum der Veröffentlichung
2017
Status
Published
Herausgeber
American Geophysical Union (AGU)
Herausgeber URL
http://dx.doi.org/10.1002/2017gl073239
Datum der Datenerfassung
2023
Titel
Temperature Covariance in Tree Ring Reconstructions and Model Simulations Over the Past Millennium
Ausgabe der Zeitschrift
44

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