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Orbital Variations and Insolation Database, NOAA/NCDC/WDC Paleoclimatology

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Abstract: Data on changes in the earth's orbital parameters and the resulting
variations in insolation were calculated by A. Berger of the Catholic
University of Louvain in Belgium. Data includes both the 1978
calculations and the latest (1991) solution published in Quaternary
Science Reviews. The 1978 solution is preferred for time 0 (1950
A.D.). The two solutions are equivalent through 800,000 YBP, and ... View entire text
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Description: Access to insolation data

Description: Dcoumentation on the orbital variations and insolation database
Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: A. Berger
Dataset Title: Orbital Variations and Insolation Database
Dataset Series Name: IGBP PAGES/WDC Data Contribution Series
Dataset Release Date: May 1992
Dataset Release Place: Boulder, CO
Dataset Publisher: IGBP PAGES/World Data Center for Paleoclimatology
Issue Identification: 92-007
Online Resource:
Temporal Coverage
Start Date: 1978-01-01
Paleo Temporal Coverage
Paleo Start Date: 5,000,000 ybp
Paleo Stop Date: 0 ybp
Chrono Unit:
Data Resolution
Temporal Resolution: 1000 years
Data Set Progress
Originating Center
Data Center
Research Data Archive, Computational and Information Systems Laboratory, National Center for Atmospheric Research, University Corporation for Atmospheric Research Supplemental Info
Data Center URL:
Dataset ID: ds861.0

Data Center Personnel
Phone: (303)-497-1231
Fax: (303)-497-1291
Email: rdahelp at
Contact Address:
National Center for Atmospheric Research
P.O. Box 3000
City: Boulder
Province or State: CO
Postal Code: 80307
Country: U.S.A.
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Distribution Media: online ftp, www
Distribution Format: ascii
Fees: none
Phone: 3210473303
Fax: 3210474722
Email: Berger at ASTR.UCL.AC.BE
Contact Address:
Institut d Astronomie et de Geophysique G.Lemaitre
Universite Catholique de Louvain
2 Chemin du Cyclotron
City: Louvain-la-Neuve
Postal Code: B-1348
Country: Belgium
Berger, A., 1978. Long-term variations of daily insolation and Quaternary
climatic changes. Journal of Atmospheric Science, 35(12), pp 2362-2367.

Berger, A., 1978. A simple algorithm to compute long term variations of
daily or monthly insolation. Contribution No. 18, Universite Catholique
de Louvain, Institut d'Astronomie et de Geophysique, G. Lemaitre,
Louvain-la-Neuve, B-1348 Belgique.

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Creation and Review Dates
Last DIF Revision Date: 2015-02-06