EMAG2: A 2–arc min resolution Earth Magnetic Anomaly Grid compiled from satellite, airborne, and marine magnetic measurements
Why is this work in the frame?
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Full frame distilled prediction
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.
- Candidate categories
- Meta-epidemiology (narrow)
- Consensus categories
- none
- Domain
- Candidate signal: noneConsensus signal: none
- Study design
- Candidate signal: Bench or experimentalConsensus signal: none
- Genre
- Candidate signal: EmpiricalConsensus signal: Empirical
- Teacher disagreement score
- 0.846
- Threshold uncertainty score
- 1.000
- Validation status
machine_predicted_unvalidated·codex-gemma-dda1882f352a
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 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) | 0.000 | 0.000 |
Machine scores (provisional)
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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.
- Teacher spread
- 0.193 · how far apart the two teachers sit on this one work
- Validation status
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
Abstract
A global Earth Magnetic Anomaly Grid (EMAG2) has been compiled from satellite, ship, and airborne magnetic measurements. EMAG2 is a significant update of our previous candidate grid for the World Digital Magnetic Anomaly Map. The resolution has been improved from 3 arc min to 2 arc min, and the altitude has been reduced from 5 km to 4 km above the geoid. Additional grid and track line data have been included, both over land and the oceans. Wherever available, the original shipborne and airborne data were used instead of precompiled oceanic magnetic grids. Interpolation between sparse track lines in the oceans was improved by directional gridding and extrapolation, based on an oceanic crustal age model. The longest wavelengths (>330 km) were replaced with the latest CHAMP satellite magnetic field model MF6. EMAG2 is available at http://geomag.org/models/EMAG2 and for permanent archive at http://earthref.org/cgi-bin/er.cgi?s=erda.cgi?n=970 .
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
The record
- Venue
- Geochemistry Geophysics Geosystems
- Topic
- Geomagnetism and Paleomagnetism Studies
- Field
- Biochemistry, Genetics and Molecular Biology
- Canadian institutions
- Geological Survey of CanadaPetro Geotech (Canada)
- Funders
- Los Alamos National LaboratoryBritish Antarctic SurveyOffice of Naval ResearchRaunvísindastofnun, Háskóli ÍslandsHelmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZNorges Geologiske UndersøkelseNationale Geologiske Undersøgelser for Danmark og GrønlandJet Propulsion LaboratoryU.S. NavyU.S. Geological SurveyNational Oceanic and Atmospheric AdministrationLamont-Doherty Earth Observatory, Columbia UniversityInstitut Français de Recherche pour l'Exploitation de la MerNational Geospatial-Intelligence AgencyNational Institute of Polar ResearchUniversity of Texas at AustinRice UniversityUniversity of the RyukyusInstitut de Physique du Globe de ParisChiba UniversityUniversity of Cape TownSveriges Geologiska UndersökningUniversity of California, San DiegoDeutsches Zentrum für Luft- und RaumfahrtBritish Geological SurveyKing Saud UniversityBundesministerium für Bildung und ForschungIstituto Nazionale di Geofisica e VulcanologiaUniversity of MiamiU.S. Department of EnergyDepartment of Scientific and Industrial Research, Ministry of Science and Technology, IndiaHáskóli ÍslandsTennessee Valley AuthorityPurdue UniversityOregon State UniversityNational Science Foundation
- Keywords
- GeologySatelliteMagnetic anomalyGeoidAnomaly (physics)GeodesyGridExtrapolationRemote sensingGeophysicsPhysics
- Has abstract in OpenAlex
- yes