Improved simulations of the inner magnetosphere during high geomagnetic activity with the RAM-SCB model
Abstract
Abstract Simulating times of high geomagnetic activity are an important part of the continuing efforts to understand space weather and its impacts on humanity. Recent improvements to the Ring‐current Atmosphere interactions Model with Self‐Consistent magnetic field (RAM‐SCB) have been undertaken, with the purpose of expanding the accuracy and robustness of the model during these highly active times. The improvements include a number of changes to the functionality of both the RAM model and the self‐consistent magnetic field calculation. In addition, the models have been modernized and rewritten in an effort to make them more user friendly and understandable. The effect of these changes is shown by simulating the day of 17 March 2013, which saw Sym‐H drop below −100 nT and included a magnetosphere push‐in within geosynchronous orbit. The comparison between the previous model configuration and this new configuration is investigated by calculating a series of metrics for the relation between the observed and modeled Sym‐H, as well as the >10‐keV electron flux measured by the HOPE and MAGEIS instruments aboard RBSP‐B and the simulated electron flux. These metrics show that the improvements to the model have increased the accuracy of the model for the given simulation.
- Authors:
-
[1];
[1];
[1];
[1];
[1];
[1]
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1544685
- Alternate Identifier(s):
- OSTI ID: 1582468
- Report Number(s):
- LA-UR-18-30591
Journal ID: ISSN 2169-9380
- Grant/Contract Number:
- 89233218CNA000001; AC52‐06NA25396
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Geophysical Research. Space Physics
- Additional Journal Information:
- Journal Volume: 124; Journal Issue: 6; Journal ID: ISSN 2169-9380
- Publisher:
- American Geophysical Union
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 79 ASTRONOMY AND ASTROPHYSICS
Citation Formats
Engel, Miles A., Morley, Steven Karl, Henderson, Michael Gerard, Jordanova, Vania Koleva, Woodroffe, Jesse Richard, and Mahfuz, Rehana. Improved simulations of the inner magnetosphere during high geomagnetic activity with the RAM-SCB model. United States: N. p., 2019.
Web. doi:10.1029/2018JA026260.
Engel, Miles A., Morley, Steven Karl, Henderson, Michael Gerard, Jordanova, Vania Koleva, Woodroffe, Jesse Richard, & Mahfuz, Rehana. Improved simulations of the inner magnetosphere during high geomagnetic activity with the RAM-SCB model. United States. https://doi.org/10.1029/2018JA026260
Engel, Miles A., Morley, Steven Karl, Henderson, Michael Gerard, Jordanova, Vania Koleva, Woodroffe, Jesse Richard, and Mahfuz, Rehana. Wed .
"Improved simulations of the inner magnetosphere during high geomagnetic activity with the RAM-SCB model". United States. https://doi.org/10.1029/2018JA026260. https://www.osti.gov/servlets/purl/1544685.
@article{osti_1544685,
title = {Improved simulations of the inner magnetosphere during high geomagnetic activity with the RAM-SCB model},
author = {Engel, Miles A. and Morley, Steven Karl and Henderson, Michael Gerard and Jordanova, Vania Koleva and Woodroffe, Jesse Richard and Mahfuz, Rehana},
abstractNote = {Abstract Simulating times of high geomagnetic activity are an important part of the continuing efforts to understand space weather and its impacts on humanity. Recent improvements to the Ring‐current Atmosphere interactions Model with Self‐Consistent magnetic field (RAM‐SCB) have been undertaken, with the purpose of expanding the accuracy and robustness of the model during these highly active times. The improvements include a number of changes to the functionality of both the RAM model and the self‐consistent magnetic field calculation. In addition, the models have been modernized and rewritten in an effort to make them more user friendly and understandable. The effect of these changes is shown by simulating the day of 17 March 2013, which saw Sym‐H drop below −100 nT and included a magnetosphere push‐in within geosynchronous orbit. The comparison between the previous model configuration and this new configuration is investigated by calculating a series of metrics for the relation between the observed and modeled Sym‐H, as well as the >10‐keV electron flux measured by the HOPE and MAGEIS instruments aboard RBSP‐B and the simulated electron flux. These metrics show that the improvements to the model have increased the accuracy of the model for the given simulation.},
doi = {10.1029/2018JA026260},
journal = {Journal of Geophysical Research. Space Physics},
number = 6,
volume = 124,
place = {United States},
year = {Wed May 22 00:00:00 EDT 2019},
month = {Wed May 22 00:00:00 EDT 2019}
}
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