Show simple item record

dc.contributor.authorBrogl, S.
dc.contributor.authorLopez, Ramon E.
dc.contributor.authorWiltberger, Michael J.
dc.contributor.authorRassoul, Hamid K.
dc.date.accessioned2017-10-16T16:45:28Z
dc.date.available2017-10-16T16:45:28Z
dc.date.issued2009-04-08
dc.identifier.citationBrogl, S., Lopez, R. E., Wiltberger, M., & Rassoul, H. K. (2009). Studies of magnetotail dynamics and energy evolution during substorms using MHD simulations. Annales Geophysicae, 27(4), 1717-1727.en_US
dc.identifier.urihttp://hdl.handle.net/11141/1964
dc.descriptionMagnetospheric physics (Magnetotail; Plasma sheet; Storms and substorms)en_US
dc.description.abstractWe examine the distribution and propagation of energy in the plasma sheet and lobes using observations and simulations for three substorms. The substorms occurred on 9 March 1995, 10 December 1996, and 27 August 2001 and have been simulated using the Lyon-Fedder-Mobarry magneto-hydrodynamic code. All three events occur over North America and show a clear substorm current wedge over the ground magnetometer chains of Alaska, Canada, and Greenland. The three simulations show the thinning of the plasma sheet during the growth phase of the event and an increase in the relative amount of thermal energy due to the compression of the plasma sheet. Generally, the total lobe energy, polar cap flux, and lobe magnetic field strength simultaneously increase during the growth phase, and polar cap flux and total lobe energy only start dropping at substorm onset, as measured by the CANOPUS magnetometer chain. Starting at time of onset and continuing throughout the expansion phase a transfer of magnetic energy from the lobes into the plasma sheet occurs, with the increase in the plasma sheet energy ranging from 30–40% of the energy that is released from the lobes.en_US
dc.language.isoen_USen_US
dc.rights© Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en_US
dc.titleStudies of magnetotail dynamics and energy evolution during substorms using MHD simulationsen_US
dc.typeArticleen_US
dc.identifier.doi10.5194/angeo-27-1717-2009


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record

© Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License.
Except where otherwise noted, this item's license is described as © Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License.