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

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F17%3A00122717" target="_blank" >RIV/00216224:14310/17:00122717 - isvavai.cz</a>

  • Alternative codes found

    RIV/86652079:_____/17:00484466

  • Result on the web

    <a href="https://doi.org/10.1002/2017GL073239" target="_blank" >https://doi.org/10.1002/2017GL073239</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/2017GL073239" target="_blank" >10.1002/2017GL073239</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

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

  • Original language description

    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.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10511 - Environmental sciences (social aspects to be 5.7)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Geophysical Research Letters

  • ISSN

    0094-8276

  • e-ISSN

  • Volume of the periodical

    44

  • Issue of the periodical within the volume

    18

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    9458-9469

  • UT code for WoS article

    000413148100042

  • EID of the result in the Scopus database

    2-s2.0-85030481756