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Summarium

Descriptio
Deutsch: Vergleich zwischen Temperatur-Proxies aus Eisbohrkernen der Antarktis und Grönland der letzten 140,000 Jahre. Während die Antarktis-Bohrkerne Delta 2H verwenden, wurde bei den Grönland Bohrkernen Delta 18O verwendet. Auffallend sind hier die de:Dansgaard-Oeschger-Ereignisse in den Grönland-Eisbohrkernen im Zeitraum von 20,000 bis 110,000 BP. Diese Ereignisse sind in den entsprechenden Kernen aus der Antarktis kaum zu erkennen
English: Comparison of temperature proxies for ice cores from Antarctica and Greenland for 140,000 years. Greenland ice cores use delta 18O, while Antarctic ice cores use delta 2H. Note the en:Dansgaard-Oeschger events in the Greenland ice core between 20,000 and 110,000 years ago, which barely register (if at all) in the corresponding Antarctic record. GRIP and NGRIP data is on ss09sea timescale, Vostok uses GT4, and EPICA uses EDC2.
Datum 5 Februarius 2006 (original upload date)
Fons Transferred from en.wikipedia to Commons by Common Good using CommonsHelper.
Auctor Leland McInnes at Anglica Vicipaedia

Potestas usoris

Leland McInnes from en.wikipedia.org, the copyright holder of this work, hereby publishes it under the following license:
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attributio aequa parte 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
Attributio: Leland McInnes from en.wikipedia.org
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GNU head Licet hoc documentum exscribere vel distribuere vel demutare sub GNU Liberarum Litterarum Licentiae conditionibus in editione 1.2 aut in ulla editione recentiori a Fundatione Liberarum Programmationis Partium publicata; praeterquam Sectiones Immutabiles et Verba Involucra Adversa et Aversa. Licentiae exemplar praesto est in sectione intitulata GNU Free Documentation License. Subject to disclaimers.

Copyright

This figure was produced by Leland McInnes using gnuplot and is licensed under the en:GFDL. All data is from publicly available sources.

Data Sources

  1. (red) Vostok data: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/vostok/deutnat.txt
  2. (orange) EPICA DomeC data: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/epica_domec/edc_dd.txt
  3. (purple) GRIP data: http://www.glaciology.gfy.ku.dk/data/grip-ss09sea-cl-50yr.stp
  4. (pale blue) NGRIP data:http://www.glaciology.gfy.ku.dk/data/NGRIP_d18O_50yrs.txt

Related Images

  • A similar chart showing unadjusted GRIP data.
    A similar chart showing unadjusted GRIP data.
  • Closeup of the GRIP and NGRIP data.
    Closeup of the GRIP and NGRIP data.
  • Heinrich events against this data.
    Heinrich events against this data.
  • Correlation of EPICA delta 2H data with Vostok and EPICA CO2 data.
    Correlation of EPICA delta 2H data with Vostok and EPICA CO2 data.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2006-02-05 08:19 Leland McInnes 1250×875× (181801 bytes) Comparison of temperature proxies for ice cores from Antarctica and Greenland for 140,000 years. Greenland ice cores use delta <sup>18</sup>O, while Antarctic ice cores use delta <sup>2</sup>H. Note the [[Dansgaard-Oeschger event]]s in the Greenland ice c

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