Articles | Volume 8, issue 9
Geosci. Model Dev., 8, 2967–2975, 2015
https://doi.org/10.5194/gmd-8-2967-2015
Geosci. Model Dev., 8, 2967–2975, 2015
https://doi.org/10.5194/gmd-8-2967-2015

Methods for assessment of models 28 Sep 2015

Methods for assessment of models | 28 Sep 2015

Calculations of the integral invariant coordinates I and L* in the magnetosphere and mapping of the regions where I is conserved, using a particle tracer (ptr3D v2.0), LANL*, SPENVIS, and IRBEM

K. Konstantinidis and T. Sarris

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Theodore Sarris on behalf of the Authors (19 Jan 2015)  Author's response    Manuscript
ED: Reject (18 Feb 2015) by Josef Koller
ED: Referee Nomination & Report Request started (30 Jul 2015) by Josef Koller
RR by Anonymous Referee #1 (07 Aug 2015)
RR by Anonymous Referee #2 (18 Aug 2015)
ED: Publish subject to technical corrections (01 Sep 2015) by Josef Koller
AR by Theodore Sarris on behalf of the Authors (11 Sep 2015)  Author's response    Manuscript
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Short summary
The 2nd & 3rd adiabatic invariants (in particular their proxies I & L*) are commonly used to characterize charged particle motion in a magnetic field. However care should be taken when calculating them, as the assumption of their conservation is not valid everywhere in the Earth’s magnetosphere. In this paper we compare calculations of I and L* using LANLstar, SPENVIS, IRBEM and a 3D particle tracer, and we map the areas in the Earth’s magnetosphere where I & L* can be assumed to be conserved.