Measurements and Applications
Measurement of CO2, CH4, CO
Full Name
Greenhouse-gases Absorption Spectrometer - 2
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Atmospheric chemistry 
Geometry
Push-broom scanning
Instrument Technology
High-resolution nadir-scanning SW spectrometer
Sampling
Sounding
Data Access
Open Access
Data Format
L-1 data: HDF 5.0
Resolution
3km s.s.p.
[Best Resolution: 3000m]
Swath
cross-track: 36 samples at 3km resolution，100km swath. along-track: 3km every 400ms
[Max Swath: 100 km]
Waveband
0.75-0.77 μm，1.59-1.62 μm，2.04-2.08 μm，2.27-2.32 μm
| NIR (~0.75 µm - ~1.3 µm) |
| SWIR (~1.3 µm - ~3.0 µm) |