MANUAL – REFLEX EZ-TRAC™ | 16
5.3.1 Earth’s Magnetic Field
The Earth’s magnetic field changes with location and over time. The
maps below can be used as a general reference when verifying if the
measured values are reasonable. For updated information about the
magnetic field variation, please refer to for example
http://www.geomag.bgs.ac.uk/mercator.html
.
5.3.1.1 Total intensity
The total intensity (total magnetic field strength) year 2005 according
to the British Geological Survey (Natural Environment Research
Council) is presented in the figure below.
The contour interval is 2000 nT.
Figure 4 Total intensity 2005
5.3.1.2 Inclination
The inclination (magnetic dip) year 2005 according to the British
Geological Survey (Natural Environment Research Council) is
presented in the figure below.
The contour interval is 5º.