Mapping of steady-state electric fields and convective drifts in geomagnetic fields – Part 2: The IGRF
-
Published:2016-01-19
Issue:1
Volume:34
Page:67-73
-
ISSN:1432-0576
-
Container-title:Annales Geophysicae
-
language:en
-
Short-container-title:Ann. Geophys.
Abstract
Abstract. A method of mapping electric fields along geomagnetic field lines is applied to the IGRF (International Geomagnetic Reference Field) model. The method involves integrating additional sets of first order differential equations simultaneously with those for tracing a magnetic field line. These provide a measure of the rate of change of the separation of two magnetic field lines separated by an infinitesimal amount. From the results of the integration Faraday's law is used to compute the electric field as a function of position along the field line. Examples of computations from a software package developed to implement the method are presented. This is expected to be of use in conjugate studies of magnetospheric phenomena such as SuperDARN (Super Dual Auroral Radar) observations of convection in conjugate hemispheres, or comparison of satellite electric field observations with fields measured in the ionosphere.
Funder
National Research Foundation
Publisher
Copernicus GmbH
Subject
Space and Planetary Science,Earth and Planetary Sciences (miscellaneous),Atmospheric Science,Geology,Astronomy and Astrophysics
Reference10 articles.
1. Cafarella, L., Di, D., Lepidi, S., and Meloni, A.: Geomagnetic Observatories in Antarctica: State of the Art and a perspective view in the global and regional frameworks, in: Geodetic and geophysical observatories in Antarctica, edited by: Capra, A. and Dietrich, B., 299–318, Springer Verlag, Berlin, 2008. 2. Finlay, C. C., Maus, S., Beggan, C. D., Bondar, T. N., Chambodut, A., Chernova, T. A., Chulliat, A., Golovkov, V. P., Hamilton, B., Hamoudi, M., Holme, R., Hulot, G., Kuang, W., Langlais, B., Lesur, V., Lowes, F. J., Lühr, H., Macmillan, S., Mandea, M., McLean, S., Manoj, C., Menvielle, M., Michaelis, I., Olsen, N., Rauberg, J., Rother, M., Sabaka, T. J., Tangborn, A., Tøffner-Clausen, L., Thébault, E., Thomson, A. W. P., Wardinski, I., Wei, Z., and Zvereva, T. I.: International Geomagnetic Reference Field: the eleventh generation, Geophys. J. Int., 183, 1216–1230, https://doi.org/10.1111/j.1365-246X.2010.04804.x, 2010. 3. Finlay, C. C. and Thébault, E.: Release of IGRF12, available at: http://www.ngdc.noaa.gov/IAGA/vmod/, last access: 14 June 2015. 4. Press, W. H., Flannery, B. P., Teukolsky, S. A., and Vetterling, W. T.: Numerical Recipes, (FORTRAN version or Pascal version or C version), Cambridge University Press, Cambridge, 818 pp., 1989. 5. Ramachandran, P. and Varoquaux, G.: Mayavi: 3D Visualization of Scientific Data, IEEE Computing in Science and Engineering, 13, 40–51, 2011.
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献
|
|