Current global warming appears anomalous in relation to the climate of the last 20 000 years

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Abstract

To distinguish between natural and anthropogenic forcing, the supposedly ongoing global warming needs to be put in a longer, geological perspective. When the last ca. 20 000 yr of climate development is reviewed, including the climatically dramatic period when the Last Ice Age ended, the Last Termination, it appears that the last centuries of globally rising temperatures should be regarded as an anomaly. Other, often synchronous climate events are not expressed in a globally consistent way, but rather are the expression of the complexities of the climate system. Due to the
often poor precision in the dating of older proxy records, such a statement will obviously be met with some opposition. However, as long as no globally consistent climate event prior to today’s global warming has been clearly documented, and considering that climate trends during the last millennia
in different parts of the world have, in the last century or so, changed direction into a globally warming trend, we ought to regard the ongoing changes as anomalies, triggered by anthropogenically forced alterations of the carbon cycle in the general global environment.
Original languageEnglish
Title of host publicationClimate Research
EditorsAndrzej Wittkowski, Jan Harff, Eduardo Zorita
PublisherInter-Research
Pages5-11
Number of pages6
Volume48
DOIs
Publication statusPublished - 2011
EventEnvironmental change and socio-economic response in the Baltic region - Szczecin
Duration: 2009 May 252009 May 28

Publication series

Name
NumberClimate Research 1
Volume48
ISSN (Print)1616-1572
ISSN (Electronic)0936-577X

Conference

ConferenceEnvironmental change and socio-economic response in the Baltic region
Period2009/05/252009/05/28

Bibliographical note

Contribution to CR Special 26 ‘Environmental change and socio-economic response in the Baltic region’

Subject classification (UKÄ)

  • Geology

Keywords

  • Global warming
  • Long-term perspective
  • Climate anomaly

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