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Study guide for use in my Blue Planet, Environmental Science Class, page 16

Image: Total Intensity and Inclination of the Earth's Magnetic Field - angelstar creations
Freake, M.J., Muheim, R., & Phillips, J.B. (2006).
Magnetic maps in animals: a theory comes
of age? The Quarterly Review of Biology,
81(4), 328

What it says: Figure 2. Total Intensity and Inclination of the Earth's Magnetic Field
The total intensity is given in steps of 5000 nT, the inclination in steps of 10°. Values are according to the World Magnetic Model WMM 200 (Macmillan and Quinn 2000). The map is drawn in a Mercator projection.

Image: Schematic Drawing of the Earth and its geomagnetic field - angelstar creations

What it says: FIGURE 1. SCHEMATIC RAWING OF THE EARTH AND ITS GEOMAGNETIC FIELD.

The arrows show the course of the magnetic field lines. The lengths of the arrows are proportional to the total intensity o the geomagnetic field; their alignment relative to the Earth's surface indicates the inclination angle. The positions of the magnetic poles and the magnetic equator are calculated from the IGR model for the year 2000.

Freake, M.J., Muheim, R., & Phillips, J.B. (2006).
Magnetic maps in animals: a theory comes
of age? The Quarterly Review of Biology,
81(4), 329

 

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