Measurements and Applications
Measures water vapour, aerosols, cloud cover, cloud top height/temp, ocean colour, sea surface temperature, land surface temparature, glacier extent, icebergs, sea ice and snow cover, photosynthetically active radiation, vegetation type and land cover.
Full Name
Global Imager
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR) 
Geometry
Conical scanning
Instrument Technology
Medium-resolution spectro-radiometer
Sampling
Imaging
Resolution
1 km for 28 bands, 250 m for 6 bands
Accuracy
Specific humidity profile: 0.5 g/m2 through total column, surface temp 0.4 - 0.5 K, cloud top temp: 0.5 K, cloud cover: 3%, cloud top height: 0.5 km, ice and snow cover: 5%
Waveband
VIS and NIR: 23 bands (380 - 830 nm), NIR - SWIR: 6 bands (1050 - 2215 nm), MWIR - TIR: 7 bands (3.75 - 11.95 µm)
| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
ADEOS-II - Advanced Earth Observing Satellite - II (2002 - 2003) |