MAGE model simulation of the pre-reversal enhancement and comparison with ICON and Jicamarca ISR observations

Using the latest coupled geospace model Multiscale Atmosphere-Geospace Environment (MAGE) and observations from Jicamarca Incoherent scatter radar (ISR) and ICON ion velocity meter (IVM) instrument, we examine the pre-reversal enhancement (PRE) during geomagnetic quiet time period. The MAGE shows comparable PRE to both the Jicamarca ISR and ICON observations. There appears to be a discrepancy between the Jicamarca ISR and ICON IVM with the later showed PRE about two times larger (similar to 40 m/s). This is the first time that MAGE is used to simulate the PRE. The results show that the MAGE can simulate the PRE well and are mostly consistent with observations.

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Author Wu, Qian
Wang, Wenbin
Lin, Dong
Qian, Liying
Huang, C.
Zhang, Y.
Publisher UCAR/NCAR - Library
Publication Date 2024-06-14T00:00:00
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Topic Category geoscientificInformation
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Metadata Date 2025-07-10T20:01:14.291972
Metadata Record Identifier edu.ucar.opensky::articles:27295
Metadata Language eng; USA
Suggested Citation Wu, Qian, Wang, Wenbin, Lin, Dong, Qian, Liying, Huang, C., Zhang, Y.. (2024). MAGE model simulation of the pre-reversal enhancement and comparison with ICON and Jicamarca ISR observations. UCAR/NCAR - Library. https://n2t.org/ark:/85065/d7nv9pgm. Accessed 10 August 2025.

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