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Table 1 Contrasting versions of automated forward modeling and global EM solvers

From: Inverting magnetic meridian data using nonlinear optimization

Method AGM ARM AMM KRM/AMIE
Scope Global Regional Local Global
Resolution Medium Medium High Low
Weighting Colatitude Auroral/subauroral Uniform n/a
Constraint Join Current Systems None Constant latitude n/a
Initial model Critical Flexible Robust n/a
Data input Global dB Regional dB dB X , dB Z Global dB
Reference Connors (1998) Connors et al. (2014) This paper Ahn et al. (1995), Richmond (1992)
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