THE INTERNATIONAL GEOMAGNETIC REFERENCE FIELD, 2005

By
Kenneth S. Rukstales and Jeffrey J. Love

2007

Scientific Investigations Map 2964 (5 Sheets)

NOTE: The GIS database for this map has been approved for release and 
publication by the Director of the USGS.  Although this database has been 
subjected to rigorous review and is substantially complete, the USGS reserves 
the right to revise the data pursuant to further analysis and review.  

The data can be downloaded from the USGS server at URL 
http://pubs.usgs.gov/sim/2007/2964/.  ArcInfo export files
are included in zipped archives. In addition, a PDF file of each map may 
be downloaded, from which paper copies may be printed.

The database and other files are as follows:

Readme file--
00readme.txt


Metadata files--
igrf2005d.met - metadata for International Geomagnetic Reference Field, 2005
                declination chart, declination polygons and arcs
igrf2005f.met - metadata for International Geomagnetic Reference Field, 2005
                total intensity chart, total intensity polygons and arcs
igrf2005h.met - metadata for International Geomagnetic Reference Field, 2005
                horizontal intensity chart, horizontal intensity polygons and arcs
igrf2005i.met - metadata for International Geomagnetic Reference Field, 2005
                inclination chart, inclination polygons and arcs
igrf2005z.met - metadata for International Geomagnetic Reference Field, 2005
                vertical component chart, vertical component polygons and arcs
igrf2005ds.met - metadata for International Geomagnetic Reference Field, 2005
                 declination chart, secular variation of declination polygons and arcs
igrf2005fs.met - metadata for International Geomagnetic Reference Field, 2005
                 total intensity chart, secular variation of total intensity polygons and arcs
igrf2005hs.met - metadata for International Geomagnetic Reference Field, 2005
                 horizontal intensity chart, secular variation of horizontal intensity polygons and arcs
igrf2005is.met - metadata for International Geomagnetic Reference Field, 2005
                 inclination chart, secular variation of inclination polygons and arcs
igrf2005zs.met - metadata for International Geomagnetic Reference Field, 2005
                 vertical component chart, secular variation of vertical component polygons and arcs
igrf2005dpts.met - metadata for International Geomagnetic Reference Field, 2005
                   declination chart, declination points
igrf2005fpts.met - metadata for International Geomagnetic Reference Field, 2005
                   total intensity chart, total intensity points
igrf2005hpts.met - metadata for International Geomagnetic Reference Field, 2005
                   horizontal intensity chart, horizontal intensity points
igrf2005ipts.met - metadata for International Geomagnetic Reference Field, 2005
                   inclination chart, inclination points
igrf2005zpts.met - metadata for International Geomagnetic Reference Field, 2005
                   vertical component chart, vertical component points
igrf2005dspts.met - metadata for International Geomagnetic Reference Field, 2005
                    declination chart, secular variation of declination points
igrf2005fspts.met - metadata for International Geomagnetic Reference Field, 2005
                    total intensity chart, secular variation of total intensity points
igrf2005hspts.met - metadata for International Geomagnetic Reference Field, 2005
                    horizontal intensity chart, secular variation of horizontal intensity points
igrf2005ispts.met - metadata for International Geomagnetic Reference Field, 2005
                    inclination chart, secular variation of inclination points
igrf2005zspts.met - metadata for International Geomagnetic Reference Field, 2005
                    vertical component chart, secular variation of vertical component points


ArcInfo export files--
igrf2005d.e00 - International Geomagnetic Reference Field, 2005
                declination chart, declination polygons and arcs
igrf2005f.e00 - International Geomagnetic Reference Field, 2005
                total intensity chart, total intensity polygons and arcs
igrf2005h.e00 - International Geomagnetic Reference Field, 2005
                horizontal intensity chart, horizontal intensity polygons and arcs
igrf2005i.e00 - International Geomagnetic Reference Field, 2005
                inclination chart, inclination polygons and arcs
igrf2005z.e00 - International Geomagnetic Reference Field, 2005
                vertical component chart, vertical component polygons and arcs
igrf2005ds.e00 - International Geomagnetic Reference Field, 2005
                 declination chart, secular variation of declination polygons and arcs
igrf2005fs.e00 - International Geomagnetic Reference Field, 2005
                 total intensity chart, secular variation of total intensity polygons and arcs
igrf2005hs.e00 - International Geomagnetic Reference Field, 2005
                 horizontal intensity chart, secular variation of horizontal intensity polygons and arcs
igrf2005is.e00 - International Geomagnetic Reference Field, 2005
                 inclination chart, secular variation of inclination polygons and arcs
igrf2005zs.e00 - International Geomagnetic Reference Field, 2005
                 vertical component chart, secular variation of vertical component polygons and arcs
igrf2005dpts.e00 - International Geomagnetic Reference Field, 2005
                   declination chart, declination points
igrf2005fpts.e00 - International Geomagnetic Reference Field, 2005
                   total intensity chart, total intensity points
igrf2005hpts.e00 - International Geomagnetic Reference Field, 2005
                   horizontal intensity chart, horizontal intensity points
igrf2005ipts.e00 - International Geomagnetic Reference Field, 2005
                   inclination chart, inclination points
igrf2005zpts.e00 - International Geomagnetic Reference Field, 2005
                   vertical component chart, vertical component points
igrf2005dspts.e00 - International Geomagnetic Reference Field, 2005
                    declination chart, secular variation of declination points
igrf2005fspts.e00 - International Geomagnetic Reference Field, 2005
                    total intensity chart, secular variation of total intensity points
igrf2005hspts.e00 - International Geomagnetic Reference Field, 2005
                    horizontal intensity chart, secular variation of horizontal intensity points
igrf2005ispts.e00 - International Geomagnetic Reference Field, 2005
                    inclination chart, secular variation of inclination points
igrf2005zspts.e00 - International Geomagnetic Reference Field, 2005
                    vertical component chart, secular variation of vertical component points

PDF files--
2964-1.pdf - map of International Geomagnetic Reference Field, 2005
             declination chart
2964-2.pdf - map of International Geomagnetic Reference Field, 2005
             inclination chart
2964-3.pdf - map of International Geomagnetic Reference Field, 2005
             horizontal intensity chart
2964-4.pdf - map of International Geomagnetic Reference Field, 2005
             vertical component chart
2964-5.pdf - map of International Geomagnetic Reference Field, 2005
             total intensity chart