Table 12 Vicarious calibration for CAI-2
From: Greenhouse gases Observing SATellite 2 (GOSAT-2): mission overview
Vicarious calibration | Forward-looking | Backward-looking | Purpose, frequency |
|---|---|---|---|
B1–B5 | B6–B10 | ||
RRV field campaign | All bands | All bands | Radiometric calibration (once per year, near summer solstice) |
Cross-calibration method | Â | Â | Radiometric calibration using, |
B2–B5 | B7–B10 | AERONET OC, VIIRS land desert radiance | |
B1 | B6 | MOBY nLw data | |
Inter-satellite comparison | Â | Â | Radiometric comparison with, |
B2–B5 | B7–B10 | VIIRS | |
B1 | Â | OMPS | |
| Â | B6 | OMI | |
CEOS site monitor | All bands | All bands | Radiometric monitor in several desert sites of CEOS recommendation (every 6Â days) |
Geometry | B4 | B9 | Absolute geolocation as a standard band compared with reference image |
B1–B3, B5 relative to B4 | B6–B8, B10 relative to B9 | Band-to-band registration relative to the standard band |