Measurements and Applications
Measurements of sea surface temperature, land surface temperature, cloud top temperature and cloud cover, aerosols, vegetation, atmospheric water vapour and liquid water content.
Full Name
Along Track Scanning Radiometer - 2
Status
No longer operational
Instrument Agencies
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR) 
and Multiple direction/polarisation radiometers
Geometry
Conical scanning
Instrument Technology
Multi-channel/direction/polarisation radiometer
Sampling
Imaging
Data Access
Open Access
Data Format
Resolution
IR ocean channels: 1 x 1 km, Microwave near-nadir viewing: 20 km instantaneous field of view
Accuracy
Sea surface temperature to <0.5 K over 0.5 x 0.5 deg (lat/long) area with 80% cloud cover, Land surface temperature: 0.1 K
Waveband
VIS - SWIR: 0.65 µm, 0.85 µm, 1.27 µm, and 1.6 µm, SWIR-TIR: 1.6 µm, 3.7 µm, 11 µm and 12 µm, Microwave: 23.8 GHz, 36.5 GHz (bandwidth of 400 MHz)
| 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) |
| MW (~0.1 cm - ~100 cm) |
ERS-2 - European Remote Sensing satellite - 2 (1995 - 2011) |