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.
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Full Name
Polar Highly Elliptical Orbit Science Weather, Climate & Air Quality Mission
Status
No longer considered
Instrument Agencies
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
Swath
Field of View is 560 x 560km. Field of Regard is 3024 x 3530 km.
Accuracy
Cal/Val requirements currently being developed
Waveband
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) |
PCW-1 - Polar Communications and Weather-1 (2021 - 2036) |
| PCW-2 - Polar Communications and Weather-2 (2021 - 2036) |
| Category | Parameter |
| Atmospheric Humidity Fields | Atmospheric specific humidity (LT, HT, LS, HS&M, TC)  |
| Atmospheric Temperature Fields | Atmospheric temperature (LT, HT, LS, HS&M) |
| Atmospheric pressure (over land surface) |
| Atmospheric pressure (over sea surface) |
| Cloud type, amount and cloud top temperature | Cloud type |
| Ozone | O3 Mole Fraction |
| Trace gases (excluding ozone) | CH4 Mole Fraction |
| CO2 Mole Fraction |
| CO Mole Fraction |
| NO2 Mole Fraction |
| HNO3 (LS) |
| BrO (LT, HT, LS, TC) |
| PAN (LT) |