HistKalmag Geomagnetic Field Model
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ArchKalmag14K.r
Time series
Time series type
*
Physical space time series
Spherical harmonics coefficient time series
Geodetic position (WGS84)
Altitude [m]
*
Latitude [degree]
*
Longitude [degree]
*
Geodetic converter
Magnetic model properties
The parts of the model to be included
*
Core field
Secular variation
The statistics to compute
Mean
Mean and standard deviation
Ensemble
Ensemble size
?
Maximum is 128
*
Magnetic geodetic component(s)
*
North(X), East(Y), Down(Z)
North(X)
East(Y)
Down(Z)
Declination, Inclination, Intensity
Declination
Inclination
Intensity
Magnetic geocentric component(s)
*
Radial, azimuthal, longitudinal
Radial
Azimuthal
Longitudinal
Degree of the spherical harmonics expansion
?
Maximum is 20
*
Geocentric component(s)
Spherical harmonics degree l
?
Maximum is 20
*
Spherical harmonics order m
?
-l ≤ m ≤ l
*
Radius at with the coefficient is evaluated [km]
*
Time window
Starting date [year]
?
Minimum is 1000
*
Ending date [year]
?
Maximum is 1950
*
Timestep of the output [years]
*
Result format
*
PNG
JPEG
EPS
Include values table
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* Required fields
When using the model please cite:
The global geomagnetic field over the historical era: what can we learn from ship-log declinations?
Schanner M., Bohsung L., Fischer C., Korte M., Holschneider M.
Earth, Planets, and Space
(2023)