Practical model applicable to investigating the coast effect on the geoelectric field in connection with studies of geomagnetically induced currents
Why this work is in the frame
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Bibliographic record
Abstract
Copyright © 2013 Risto Pirjola. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The horizontal geoelectric field induced at the Earth’s surface during temporal variations of the geomagnetic field drives Geomagnetically Induced Currents (GIC) in ground-based conductor networks, such as electric power transmission grids. Usually studies of the geoelectric field in connection with GIC research employ the assumption of a one-dimensional (1D) Earth conductivity structure. At ocean-land interfaces the conductivity contrast in the horizontal direction is large making the 1D assumption invalid in coastal areas. Geoelectromagnetic induction literature contains many publications dealing with complicated 2D or 3D Earth models. However, these studies mainly aim at the investigation of the Earth’s structure and often do not provide an easy theoretical discussion and clear numbers to be used in practical power engineering investigations of GIC in networks located at coasts. Regarding GIC applications, James Gilbert introduces a two-dimensional (2D) Earth conductivity model for studying the “coast effect ” near an
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| 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 | 0.001 |
| 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) | 0.000 | 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 it