The HAWC Satellite Mission: The Canadian Contribution to NASA AOS
Bibliographic record
Abstract
<!--!introduction!--> The HAWC (High-altitude Aerosols, Water vapour and Clouds) satellite mission is a highly synergistic observing system of three Canadian passive imaging sensors: the Aerosol Limb Imager (ALI) instrument, the Thin Ice Clouds in the Far InfraRed Emissions (TICFIRE), and the Spatial Heterodyne Observations of Water (SHOW) instrument. The mission was confirmed by the federal government as the Canadian contribution to NASA’s Atmospheric Observing System; a satellite constellation that will include multiple satellites with instruments to monitor aerosol, clouds, and precipitation as part of the Earth System Observatory (ESO). The HAWC instruments will work together to obtain vertically resolved measurements of aerosol and water vapour together with nadir measurements of radiation, thin ice cloud content, and cloud microphysical properties. These coordinated measurements will help build a more comprehensive understanding of climate-critical interactions of aerosol, cloud, and water vapour in the atmosphere.
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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 | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.004 | 0.008 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.046 | 0.017 |
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".