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CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- HIRS/2
-
Full Name
High Resolution Infra-red Sounder/2
Status
No longer operational
Instrument Agencies
NOAA
Maturity
Instrument Type
Atmospheric temperature and humidity sounders
Geometry
Cross-track scanning
Instrument Technology
Narrow-band channel IR radiometer
Sampling
Sounding
Data Access
Data Format
Measurements and Applications
Measures atmospheric temperature, concentrations of ozone, water vapour, methane, NOx, N2O, CFCs and other minor species, aerosol concentration, location of polar stratospheric clouds and cloud tops.
Resolution Summary
20.3 km
Swath Summary
2240 km
Accuracy Summary
Waveband Summary
VIS - TIR: 0.69 - 14.95 µm (20 channels)
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)
Instrument Measurements
Category
Parameter
Accuracy
Atmospheric Humidity Fields
Atmospheric specific humidity (LT, HT, TC)
Atmospheric Temperature Fields
Atmospheric temperature (LT, HT, LS, HS&M)
Temperature of tropopause
Cloud type, amount and cloud top temperature
Cloud top height
Cloud top temperature
Ozone
Ozone profile
Radiation budget
Upwelling (Outgoing) long-wave radiation at TOA
Surface temperature (land)
Land surface temperature
Trace gases (excluding ozone)
Atmospheric Chemistry - CO2 (column/profile)
Instrument Missions
NOAA-9 - National Oceanic and Atmospheric Administration - 9 (1984 - 1997)
NOAA-10 - National Oceanic and Atmospheric Administration - 10 (1986 - 1997)
NOAA-11 - National Oceanic and Atmospheric Administration - 11 (1988 - 2004)
NOAA-12 - National Oceanic and Atmospheric Administration - 12 (1991 - 2005)
NOAA-13 - National Oceanic and Atmospheric Administration - 13 (1993 - 1993)
NOAA-14 - National Oceanic and Atmospheric Administration - 14 (1994 - 2005)
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