Datasets:
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Parent(s): 384e617
Test Mag Field DataSet
Browse files- Mag_field_1550-1990.npz +3 -0
- README.md +14 -3
Mag_field_1550-1990.npz
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version https://git-lfs.github.com/spec/v1
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oid sha256:1240117dd7b5765770525a069c785b3c52ba8a0766255e12d77cf938f54a7908
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size 209622712
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README.md
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You will need the package
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https://chaosmagpy.readthedocs.io/en/master/
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A description of the dataset:
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The gufm1 model is a global geomagnetic model based on spherical harmonics, covering the period 1590 - 1990, and is described in the publication:
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Andrew Jackson, Art R. T. Jonkers and Matthew R. Walker (2000), “Four centuries of geomagnetic secular variation from historical records”, Phil. Trans. R. Soc. A.358957–990, http://doi.org/10.1098/rsta.2000.0569
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The native model representation is converted into a discrete dataset in physical space and time, using the Python package https://chaosmagpy.readthedocs.io/en/master/
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The dataset has dimension (181, 361, 401) whose axes represent co-latitude, longitude, time, and whose values are the radial magnetic field at the core-mantle boundary (radius 3485km) in nT.
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The colatitude takes values (in degrees): 0,1,2,3,…180; longitude (degrees) takes values -180,-179,….180; and time is yearly 1590, 1591, …1990.
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