EarthRef.org Digital Archive (ERDA)
Development and Maintenance by the EarthRef.org Database Team

Detailed File Information
CALS7K.2 Model Intensity and Google Earth - polar scale
File Name cals7k.2.f.polar.kmz
Data Type animation, data compilation
Computer Program Not specified
File Size 106.71 MB - 1 file
Expert Level Science Overview (General)
Contributor Alexandra Lodge
Source No source
Resource Matrix The Earth's Magnetic Field
Description
This kmz file contains one component, intensity, of the global geomagnetic field model, CALS7K.2 (Korte & Constable, 2005). The file contains the model at 50 year intervals covering the last 7000 years, along with a colour scale bar. The colour scale is polar.

It should be noted that due to the large file size ~200 MB, each component is uploaded as a separate file with a different url. For each component, there are 2 versions, one with a rainbow colour scale and one with a polar colour scale.

However, if you visit the following website:
http://pcwww.liv.ac.uk/~alodge/Downloads.html
It is possible to download smaller versions of the model files. N.B. The files are smaller because the images are loaded from a remote server instead of being within the kmz file.

The data that produced these model files are available as kml files from:
http://earthref.org/cgi-bin/er.cgi?s=erda.cgi?n=949

Rainbow scales:
Declination, A.D.: http://earthref.org/cgi-bin/erda.cgi?n=955
Declination, B.C.: http://earthref.org/cgi-bin/erda.cgi?n=954
Inclination: http://earthref.org/cgi-bin/erda.cgi?n=952
Intensity: http://earthref.org/cgi-bin/erda.cgi?n=950

Polar scales:
Declination: http://earthref.org/cgi-bin/erda.cgi?n=953
Inclination: http://earthref.org/cgi-bin/erda.cgi?n=951
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