Do statistical models capture the dynamics of the magnetopause during sudden magnetospheric compressions?

Under periods of strong solar wind driving, the magnetopause can become compressed, playing a significant role in draining electrons from the outer radiation belt. Also termed “magnetopause shadowing,” this loss process has traditionally been attributed to a combination of magnetospheric compression and outward radial diffusion of electrons. However, the drift paths of relativistic electrons and the location of the magnetopause are usually calculated from statistical models and, as such, may not represent the time‐varying nature of this highly dynamic process. In this study, we construct a database ∼20,000 spacecraft crossings of the dayside magnetopause to quantify the accuracy of the commonly used Shue et al. (1998, https://doi.org/10.1029/98JA01103) model. We find that, for the majority of events (74%), the magnetopause model can be used to estimate magnetopause location to within ±1 RE. However, if the magnetopause is compressed below 8 RE, the observed magnetopause is greater than 1 RE inside of the model location on average. The observed magnetopause is also significantly displaced from the model location during storm sudden commencements, when measurements are on average 6% closer to the radiation belts, with a maximum of 42%. We find that the magnetopause is rarely close enough to the outer radiation belt to cause direct magnetopause shadowing, and hence rapid outward radial transport of electrons is also required. We conclude that statistical magnetopause parameterizations may not be appropriate during dynamic compressions. We suggest that statistical models should only be used during quiescent solar wind conditions and supplemented by magnetopause observations wherever possible

The Legend of Osman Gazi

Donated by Klaus KreiserReprinted from in : The Ottoman Emirate (1300-1389), Crete University Press, Rethymnon, 1993.; Halcyon. Days on Crete. A Symposium held in Rethymnon 11-13 January, 1991

The Navy of Süleyman the magnificent.

Donated by Klaus KreiserReprinted from in : Archivum Ottomanicum, 6, 1980

Studies in Ottoman history and law : Introduction.

Donated by Klaus KreiserReprinted from in : Islamic Law and Society, İstanbul : Isis Press, 1996

Canon and apocrypha in early ottoman history.

Donated by Klaus KreiserReprinted from in : Studies in Ottoman History in Honour of Professor V.L. Mélange / İstanbul : The Isis Press, 1994.; Edited by Heywood, Colin, and Colin Imber

History of the Ottoman Empire and Modern Turkey, I, Empire of the Gazis. : The Rise and Decline of the Ottoman Empire 1280–1808

Donated by Klaus KreiserReprinted from in : The English Historical Review, V.93, 1978

Why you should poison your husband : a note on liability in hanafi law in the ottoman period.

Donated by Klaus KreiserReprinted from in : Islamic Law and Society Vol. 1, No. 2 (1994)

The wandering dervishes.

Donated by Klaus KreiserReprinted from in : Mashriq, Proceedings of the Eastern Mediterranean Seminar, University of Manchester, 1977-1978