A height-dependent climatological model of the equatorial ionospheric zonal plasma drifts (EZDrifts): Description and application to an analysis of the longitudinal variations of the zonal drifts
A height-dependent climatological model of the equatorial ionospheric zonal plasma drifts (EZDrifts): Description and application to an analysis of the longitudinal variations of the zonal drifts
复制标题
赤道电离层纬向等离子体漂移的高度相关气候模型（EZDrifts）：纬向漂移纵向变化分析的描述和应用
DOI：
10.1051/swsc/2023006
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发表时间：
2023
影响因子：
3.3
通讯作者：
Rodrigues, Fabiano S.
中科院分区：
文献类型：
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作者：
Massoud, Alexander A.;Shidler, Sam A.;Rodrigues, Fabiano S.
我们介绍了赤道电离层f区纬向漂移（EZDrifts）的全球气候学模型的实施，该模型已向公众开放。该模型采用Haerendel et al.（1992）提出的等离子体分带漂移的解析描述[J地球物理学报，97(A2): 1209-1223]，并由电离层和热层的气候模式驱动。EZDrifts是对Shidler & Rodrigues (2021) [Prog Earth Planet Sci8: 26]首次提出的地带性漂移模型的扩展，该模型仅适用于Jicamarca经度扇区和两种特定的太阳通量条件。EZDrifts现在使用Scherliess & Fejer（1999）的垂直赤道等离子体漂移[J地球物理学报，104(4):6829-6842]模型，允许它提供一年中的任何一天，经度和太阳通量条件的纬向漂移。我们表明，该模型可以再现Shidler & Rodrigues (2021) [Prog Earth Planet Sci8: 26]模型在秘鲁部门的主要结果。我们还通过展示和讨论由模型产生的纵向变量来说明EZDrifts的应用。我们表明，该模型预测的漂移反转时间的纵向变化与C/NOFS的观测结果很好地一致。EZDrifts还预测了漂移幅度的纵向变化，可以在C/NOFS的6月至日观测中确定。我们还指出了秋分和冬至期间观测到的数据模型差异。最后，我们解释了纬向等离子体漂移的纵向变化是由磁赤道纬度的纵向变化引起的，因此，在风力发电机中造成了由此产生的漂移。EZDrifts通过公共存储库分发给社区，可用于需要估计赤道纬向漂移整体行为的应用程序。
We introduce the implementation of a global climatological model of the equatorial ionospheric F-region zonal drifts (EZDrifts) that is made available to the public. The model uses the analytic description of the zonal plasma drifts presented by Haerendel et al. (1992) [J Geophys Res97(A2): 1209–1223] and is driven by climatological models of the ionosphere and thermosphere under a realistic geomagnetic field configuration. EZDrifts is an expansion of the model of the zonal drifts first presented by Shidler & Rodrigues (2021) [Prog Earth Planet Sci8: 26] which was only valid for the Jicamarca longitude sector and two specific solar flux conditions. EZDrifts now uses vertical equatorial plasma drifts from Scherliess & Fejer (1999) [J Geophys Res104(A4): 6829–6842] model which allows it to provide zonal drifts for any day of the year, longitude, and solar flux condition. We show that the model can reproduce the main results of the Shidler & Rodrigues (2021) [Prog Earth Planet Sci8: 26] model for the Peruvian sector. We also illustrate an application of EZDrifts by presenting and discussing longitudinal variabilities produced by the model. We show that the model predicts longitudinal variations in the reversal times of the drifts that are in good agreement with observations made by C/NOFS. EZDrifts also predicts longitudinal variations in the magnitude of the drifts that can be identified in the June solstice observations made by C/NOFS. We also point out data-model differences observed during Equinox and December solstice. Finally, we explain that the longitudinal variations in the zonal plasma drifts are caused by longitudinal variations in the latitude of the magnetic equator and, consequently, in the wind dynamo contributing to the resulting drifts. EZDrifts is distributed to the community through a public repository and can be used in applications requiring an estimate of the overall behavior of the equatorial zonal drifts.