6 January 2025
passes the spectral and wind tests · score 0.853 · Sentinel-2B

Physics checks
B12 dimmed 5.2% while visible bands barely changed (2.2%).
- B12 dimmed 5.2% (more than 1%)
- B11 changed 0.3%, less than half of B12
- Visible and near-infrared changed 2.2%, under half of B12
- Plume lies 31° from the wind (within 45°)
Emission rate
≈ 20.2 t/h
68% range 15.1–25.0 t/h
Screening-grade satellite estimate: confirm with a hyperspectral satellite, an OGI drone or a ground survey before enforcement or carbon crediting.





