Table 2

Assessed effective dose rates during maximum phase sub-GLE events at altitude of 35 kft a.s.l. in a region with Pc ≤ 1 GV. The minimal and maximal effective dose rates are computed using the assessed sub-GLE particles spectra, namely SP1 and SP2 from Table 1. The total effective dose rate is a superposition of the contribution of GCR and sub-GLE particles assuming a maximal value of SEP contribution in order to present a conservative assessment of the exposure.

Effective dose E (μSv⋅h−1) Sub-GLE 07/03/2012 Sub-GLE 06/01/2014 Sub-GLE 29/10/2015
SEP min 12.4 3.3 6.9
SEP max 14.1 4.1 8.2
GCR 5.51 5.63 5.67
Total 19.6 9.7 13.9

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