Summary
The Fok Ring Current Model (FRC) is a bounce-averaged kinetic model of the ring
current. This model calculates the temporal and spatial variation of the phase
space density of ring current species, H+ and e-, in the energy range of 1 -
300 keV. The model considers particle drift, charge exchange loss, in
realistic, time-varying magnetic and electric fields. The simulation region is
from the dayside magnetopause to the nightside boundary at 10 earth radii. The
model is an initial-boundary-value problem, so initial distribution and
boundary distribution as a function of time is required to run the model.

Service Citation

Originators: Dr. Mei-Ching Fok Title: Fok Ring Current Model (FRC) Provider: Community Coordinated Modeling Center URL: http://ccmc.gsfc.nasa.gov/models/modelinfo.php?model=Fok%20Ring%20C...

Service Keywords

MODELS >SOLAR-ATMOSPHERE/SPACE-WEATHER MODELS

Science Keywords

SUN-EARTH INTERACTIONS >SOLAR ENERGETIC PARTICLE PROPERTIES >ENERGY DEPOSITION SUN-EARTH INTERACTIONS >SOLAR ENERGETIC PARTICLE PROPERTIES >PARTICLE COMPOSITION SUN-EARTH INTERACTIONS >SOLAR ENERGETIC PARTICLE PROPERTIES >PARTICLE DENSITY SUN-EARTH INTERACTIONS >IONOSPHERE/MAGNETOSPHERE DYNAMICS >PLASMA WAVES SUN-EARTH INTERACTIONS >IONOSPHERE/MAGNETOSPHERE DYNAMICS >MAGNETIC FIELDS/MAGNETIC CURRENTS

ISO Topic Category

GEOSCIENTIFIC INFORMATION

Platform

MODELS

Ancillary Keywords

Models Space Models 3D Magnetic Fields Equatorial Plasma Density Equatorial Plasma Temperature

Service Provider

NASA/GSFC/SED/HSD/GPL/CCMC > Community Coordinated Modeling Center, Geospace Physics Lab, Heliospheric Science Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA Service Organization URL: http://ccmc.gsfc.nasa.gov/ Service Provider Personnel Name: MICHAEL HESSE Phone: 301-286-8224 Fax: 301-286-1648 Email: Michael.Hesse at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 674.0 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA

Distribution Media

Distribution_Media: Online

Personnel

LUTZ RASTAETTER Role: TECHNICAL CONTACT Email: lutz.rastaetter-1 at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 674.0 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA TYLER B. STEVENS Role: SERF AUTHOR Phone: (301) 614-6898 Fax: 301-614-5268 Email: Tyler.B.Stevens at nasa.gov Contact Address: NASA Goddard Space Flight Center Global Change Master Directory City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA MARIA KUZNETSOVA Role: TECHNICAL CONTACT Phone: 301-286-9571 Email: Maria.M.Kuznetsova at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 674.0 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA MEI-CHING FOK Role: TECHNICAL CONTACT Email: mei-ching.h.fok at nasa.gov Contact Address: NASA Goddard Space Flight Center Mailstop 673.0 City: Greenbelt Province or State: MD Postal Code: 20771 Country: USA

Related URL

Link: GET DATA Description: Inner Magnetosphere Simulations Results. Link: VIEW RELATED INFORMATION Description: Additional information on the Fok Ring Current model.

Publications/References
Fok, M.-C., and T. E. Moore, Ring current modeling in a realistic magnetic
field configuration, Geophys. Res. Lett., 24, 1775-1778, 1997.

Fok, M.-C., T. E. Moore, and D. C. Delcourt, Modeling of inner plasma sheet and
ring current during substorms, J. Geophys. Res., 14557-14569, 1999.

Fok, M.-C., R. A. Wolf, R. W. Spiro, and T. E. Moore, Comprehensive
computational model of the Earth's ring current, J. Geophys. Res., 106,
8417-8424, 2001.

Creation and Review Dates

SERF Creation Date: 2006-08-11 SERF Last Revision Date: 2008-05-15

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