THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Polar Highly Elliptical Orbit Science Weather, Climate & Air Quality Mission Status No longer considered
Instrument Agencies CSA, ECCC Maturity
Instrument Type Atmospheric chemistry Geometry Earth disk scanning
Instrument Technology High-resolution nadir-scanning IR spectrometer Sampling Imaging
Data Access Open Access Data Format NetCDF or HDF
Measurements and Applications Complement PCW operational numerical weather prediction. Will also collect information about atmospheric gaseous and aerosol composition to better understand transport and climate processes. .
Resolution Summary 10 x 10 km
Swath Summary Field of View is 560 x 560km. Field of Regard is 3024 x 3530 km.
Accuracy Summary Cal/Val requirements currently being developed
Waveband Summary 4 non-continuous bands from 0.758 - 14.3 um at a spectral sampling of 0.25 cm-1.
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
Atmospheric Humidity FieldsAtmospheric specific humidity (LT, HT, LS, HS&M, TC) 
Atmospheric Temperature FieldsAtmospheric temperature (LT, HT, LS, HS&M) 
Atmospheric pressure (over land surface) 
Atmospheric pressure (over sea surface) 
Cloud type, amount and cloud top temperatureCloud type 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - CH4 (column/profile) 
Atmospheric Chemistry - CO2 (column/profile) 
Atmospheric Chemistry - CO (LT) 
Atmospheric Chemistry - NO2 (LT, HT, LS, TC) 
Atmospheric Chemistry - HNO3 (LS) 
Atmospheric Chemistry - BrO (LT, HT, LS, TC) 
Atmospheric Chemistry - PAN (LT) 
Instrument Missions
PCW-1 - Polar Communications and Weather-1 (2021 - 2036)
PCW-2 - Polar Communications and Weather-2 (2021 - 2036)
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