CEOS Instrument: Geosynchronous Imaging Fourier Transform Spectrometer

Agency: NASA
Mission: NMP EO-3 GIFTS
Status:No longer considered
Type:Medium-resolution IR spectrometer
Description:Measures temperature, water vapour, tracer winds, chemical composition with high spatial and temporal resolution for considerable improvements in weather observations and air quality monitoring. Tests next-generation met observing systems.
Spatial Resolution: Visible: 1 x 1 km, IR: 4 x 4km
Swath Width: Full Earth disk
Wavebands: MWIR - TIR: 1724 channels in the bands 4.45 - 6.06 ?m and 8.85 - 14.6 ?m
Technology: Medium-resolution IR spectrometer
Description: Spectrometer operating in MWIR and TIR with spectral resolution typically around 0.1 % to retrieve temperature and humidity profiles from absorption bands of CO2 and H2O in cloud-free or partially cloudy areas, and also total columns of some greenhouse gas species (and coarse profile of O3). Cross-nadir scanning for vertical profiling and total-columns. Many thousands of channels. Spatial resolution typically 10-20 km horizontal, ~ 1 km vertical (referred to the retrieved profile). Applicable in LEO and GEO.

Measurement List:

(select measurement name to view details)

CEOS Systems Engineering Office (SEO)

CEOS Data Base Version: 17 - Created: 2012-01-18