Space climate and space weather over the past 400 years: 2. Proxy indicators of geomagnetic storm and substorm

Mike Lockwood, Mathew J. Owens, Luke A. Barnard +3

Using the reconstruction of power input to the magnetosphere given in Paper 1 (arXiv:1708.04904), we reconstruct annual means of geomagnetic indices over the past 400 years to with…