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File:MilankovitchCyclesOrbitandCores.png

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Captions

graph of the elements showing the past and future trends of the Milankovitch cycles
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Summary edit

Description
English: Orbital Parameters for the Earth:

http://aom.giss.nasa.gov/srorbpar.html

Insolation calculation is generated from the orbital parameters

Vostok ice core data:

  • Petit, J.R., et al., 2001,

Vostok Ice Core Data for 420,000 Years, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2001-076. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ftp://ftp.ncdc.noaa.gov/pub/data/paleo/icecore/antarctica/vostok/deutnat.txt Temperature reconstruction is offered within the dataset.

Benthic foram data:

  • Lisiecki, L. E., and M. E. Raymo (2005), A Pliocene-

Pleistocene stack of 57 globally distributed benthic d18O records, Paleoceanography,20, PA1003, doi:10.1029/2004PA001071. http://lorraine-lisiecki.com/stack.html

A definitive temperature reconstruction is not offered within the data set. But from: http://lorraine-lisiecki.com/thesis_appendix.html#2-Appendix-B-The-d18O-of-Foraminifera is the statement:

"A large portion change in d18Oc records is thought to result of the sequestration of isotopically light oxygen (16O) in large continental ice sheets, resulting in ocean water that has a larger proportion of 18O."
Thus reduction of oxygen 18 (which is upward on the graph) indicates warmer conditions and higher sealevel.
Date
Source Own work
Author Incredio
Other versions File:MilankovitchCyclesOrbitandCores.png
File:MilankovitchCyclesOrbitandCoresRecaptioned.png, File:MilankovitchCyclesOrbitandCoresRecaptioned-sr.png
File:Milankovic.jpg, File:Milankovic-sr.jpg

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current01:52, 3 June 2009Thumbnail for version as of 01:52, 3 June 20091,000 × 1,044 (227 KB)Incredio (talk | contribs){{Information |Description={{en|1=Orbital Parmameters for the Earth: http://aom.giss.nasa.gov/srorbpar.html Insolation calculation is geneterated from the orbital parameters Vostok ice core data: Petit, J.R., et al., 2001, Vostok Ice Core Data for 42

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