| Autor: |
Jun Wu, Jian Wu, Jie Feng, QingLiang Li, ShuJi Hao, ZhengWen Xu, HaiSheng Zhao, YaBin Zhang |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
Earth and Planetary Physics, Vol 8, Iss 2, Pp 408-414 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
2096-3955 |
| DOI: |
10.26464/epp2024005?pageType=en |
| Popis: |
During the course of ionospheric heating experiments, researchers at the European Incoherent Scatter Scientific Association (EISCAT) observed an apparent electron density enhancement. The enhancement extended over a wide range of altitudes, above the reflection altitude of the high-frequency pump wave. However, whether this enhancement actually corresponds to a true enhancement in electron density remains an open question. When the dispersion relation of ion acoustic waves is followed, the frequency ratio of the enhanced ion line to the background ion line suggests that the profile of the effective ion mass may have remained unchanged. Furthermore, the solar radio flux and ion drift velocity indicate no significant changes in the ion species and their densities. In conclusion, the electron density enhancement observed at EISCAT should not, in fact, be considered a true enhancement. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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