Foreshock transient impact on the magnetosheath, magnetosphere and ionosphere
Bibliographic record
Abstract
We present multi-scale observations of a foreshock transient and its impact on the magnetosheath, magnetosphere and ionosphere, utilizing the data from Cluster, THEMIS, ground-based radars, and magnetometers. During the storm recovery phase on March 25, 2015, the Cluster spacecraft observed the foreshock transient at GSE (8, -0.5, -13) Re. Subsequently, THEMIS A and E, residing in the equatorial plane, detected large-scale high-speed jets in the postnoon sector between 7 and 9 Re from Earth. At geosynchronous orbit, GOES-13 crossed the magnetopause, during which strong poleward plasma convection and tongue of ionization (TOI) were detected by incoherent scatter radars at Prince George, Saskatoon, Kapuskasing, and Rankin Inlet stations and GPS total electron content (TEC) measurements. The signature of field-aligned currents was observed by ground magnetometers. These simultaneous observations indicate that the foreshock transient plays an important role in energy transfer between the solar wind, the magnetosphere, and the ionosphere. This event provides the first observational evidence that a foreshock transient can lead to significant disturbances in the coupled magnetosphere-ionosphere system, being an important ingredient in space weather.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".