| Instrument | Agency | Missions | Status | Type | Measurements &
applications | Technical characteristics |
GIIRS-I
Geostationary Interferometric Infrared Sounder-I | NSMC-CMA (CNSA) | Current: FY-4A
Future: -
Complete: - | No longer operational | Atmospheric temperature and humidity sounders | Measurement of the atmospheric infrared upwelling radiance with radiometric
calibration, the geolocation information, and the quality control information. The data are mainly used for NWP data assimilation, temperature and moisture
retrievals, trace gases retrieval, Land/Sea skin temperature retrieval, and cloud
properties research. |
| Waveband: | LWIR: 700-1130 cm-1, 538 channels
S/MIR: 1650-2250 cm-1, 375 channels
VIS: 0.55-0.75 µm, 1 channel
SWIR, MWIR, P-Band |
| Spatial resolution: | LWIR/SMWIR: 16km s.s.p
Panchromatic band: 2.0km s.s.p |
| Swath width: | The sounder scans the Earth in a "step-stare" mode. The observation area is a pre-designed region covering China's territory, and the coverage time is 2 hours. |
| Accuracy: | Radiometric accuracy: 1.5k (1σ); Spectral accuracy: 10 ppm (1σ) |
| Data Access: | No Access |
| Data Format: | L-1 data: HDF 5.0 |
|
GIIRS-II
Geostationary Interferometric Infrared Sounder-II | NSMC-CMA (CNSA) | Current: FY-4B
Future: -
Complete: - | Operational | Atmospheric temperature and humidity sounders | Measurement of the atmospheric infrared upwelling radiance with radiometric
calibration, the geolocation information, and the quality control information. The data are mainly used for NWP data assimilation, temperature and moisture
retrievals, trace gases retrieval, Land/Sea skin temperature retrieval, and cloud
properties research. |
| Waveband: | LWIR: 680-1130 cm-1, 721 channels
SMWIR: 1650-2250 cm-1, 961 channels
Panchromatic band: 0.55-0.75 µm, 1 channel
SWIR, MWIR, P-Band |
| Spatial resolution: | LWIR/SMWIR: 12km s.s.p
Panchromatic band: 1.0km s.s.p |
| Swath width: | The sounder scans the Earth in a "step-stare" mode. The observation area is a pre-designed region covering China's territory, and the coverage time is 1.5 hours. |
| Accuracy: | Radiometric accuracy: 0.7k (1σ); Spectral accuracy: 7 ppm (1σ) |
| Data Access: | Constrained Access |
| Data Format: | L-1 data: HDF 5.0 |
|
GIIRS-III
Geostationary Interferometric Infrared Sounder-III | NSMC-CMA (CNSA) | Current: FY-4C
Future: FY-4D, FY-4E
Complete: - | Operational | Atmospheric temperature and humidity sounders | Measurement of the atmospheric infrared upwelling radiance with radiometric
calibration, the geolocation information, and the quality control information. The data are mainly used for NWP data assimilation, temperature and moisture
retrievals, trace gases retrieval, Land/Sea skin temperature retrieval, and cloud
properties research. |
| Waveband: | LWIR: 650-1130 cm-1, 769 channels
SMWIR: 1650-2250 cm-1, 961 channels
Panchromatic band: 0.55-0.75 µm, 1 channel
SWIR, MWIR, P-Band |
| Spatial resolution: | LWIR/SMWIR: 8km s.s.p
Panchromatic band: 0.5km s.s.p |
| Swath width: | The sounder scans the Earth in a "step-stare" mode. The observation area is a pre-designed region covering China's territory, and the coverage time is 1 hour. |
| Accuracy: | Radiometric accuracy: 0.5k (1σ); Spectral accuracy: 5 ppm (1σ) |
| Data Access: | Constrained Access |
| Data Format: | L-1 data: HDF 5.0 or NetCDF |
|
GIIRS-IV
Geostationary Interferometric Infrared Sounder-IV | NSMC-CMA (CNSA) | Current: -
Future: FY-4F
Complete: - | Approved | Atmospheric temperature and humidity sounders | Measurement of the atmospheric infrared upwelling radiance with radiometric
calibration, the geolocation information, and the quality control information. The data are mainly used for NWP data assimilation, temperature and moisture
retrievals, trace gases retrieval, Land/Sea skin temperature retrieval, and cloud
properties research. |
| Waveband: | LWIR: 650-1210 cm-1, 897 channels
SMWIR: 1600-2250 cm-1, 1041 channels
Panchromatic band: 0.55-0.75 µm, 1 channel
SWIR, MWIR, P-Band |
| Spatial resolution: | LWIR/SMWIR: 8km s.s.p
Panchromatic band: 0.5km s.s.p.
Best spatial resolution: LWIR/SMWIR: 4km s.s.p
Panchromatic band: 0.5km s.s.p |
| Swath width: | The sounder scans the Earth in a "step-stare" mode. The observation area is full Earth disk（<60°LZA）, and the coverage time is 1 hour. |
| Accuracy: | Radiometric accuracy: 0.5k (1σ); Spectral accuracy: 5 ppm (1σ) |
| Data Access: | Constrained Access |
| Data Format: | L-1 data: HDF 5.0 or NetCDF |
|
HIRAS-1
Hyperspectral Infrared Atmospheric Sounder-1 | NSMC-CMA (CNSA) | Current: FY-3D
Future: -
Complete: - | Operational | Atmospheric temperature and humidity sounders | Measurements: High-spectral-resolution thermal infrared radiance spectra of the Earth–atmosphere system
Applications: Atmospheric profiling, Trace-gas retrieval, NWP data assimilation, Climate monitoring |
| Waveband: |
MWIR |
| Spatial resolution: | 1.1 degree (16 km at nadir) IFOV
Best resolution: 16000 m |
| Swath width: | 2400km |
| Accuracy: | Radiometric Calibration Accuracy: LWIR: 0.5 K; MWIR1: 0.8 K; MWIR2: 1.0 K |
| Data Access: | Open Access |
| Data Format: | L-1 data: HDF 5.0 |
|
HIRAS-2
Hyperspectral Infrared Atmospheric Sounder-2 | NSMC-CMA (CNSA) | Current: FY-3E, FY-3F, FY-3H
Future: FY-3J
Complete: - | Operational | Atmospheric temperature and humidity sounders | Measurements: High-spectral-resolution thermal infrared radiance spectra of the Earth–atmosphere system
Applications: Atmospheric profiling, Trace-gas retrieval, NWP data assimilation, Climate monitoring |
| Waveband: | Improved after HIRAS flown on FY-3D (denser sampling and uninterrupted spectral range).
MWIR |
| Spatial resolution: | 1 degree (14 km at s.s.p.) IFOV
Best resolution: 14000 m |
| Swath width: | 2200km |
| Accuracy: | Radiometric Calibration Accuracy: LWIR: 0.3 K; MWIR1: 0.5 K; MWIR2: 0.7 K |
| Data Access: | Open Access |
| Data Format: | L-1 data: HDF 5.0 |
|
IKFS-2
IR-Fourier spectrometer | ROSKOSMOS (ROSHYDROMET) | Current: Meteor-M N2-4, Meteor-M N2-3
Future: Meteor-M N2-6, Meteor-M N2-5
Complete: Meteor-3M, Meteor-M N2, Meteor-M N2-1, Meteor-M N2-2 | Operational | Atmospheric temperature and humidity sounders | Atmospheric temperature/humidity profiles, data on cloud parameters, water vapour & ozone column amounts, surface temperature. |
| Waveband: | 5 - 15 µm, more then 5000 spectral channels
TIR |
| Spatial resolution: | 35000-100000 m
Best resolution: 35000 m |
| Swath width: | 1000 km; 1500 km; 2000 km; 2500 km |
| Accuracy: | |
| Data Access: | Constrained Access |
| Data Format: | |
|
IKFS-3
Advanced Fourier spectrometer | ROSHYDROMET | Current: -
Future: Meteor-MP N1, Meteor-MP N2, Meteor-MP N3
Complete: - | Proposed | Atmospheric temperature and humidity sounders | Atmospheric temperature/humidity profiles, data on cloud parameters, water vapour & ozone column amounts, surface temperature. |
| Waveband: | 3,7 - 15,5 µm, more then 8000 spectral channels
MWIR, TIR |
| Spatial resolution: | 35 -100 km
Best resolution: 35 m |
| Swath width: | 1000/2000 km |
| Accuracy: | 0.5 K |
| Data Access: | Constrained Access |
| Data Format: | |
|
IRS
Thermal and Multispectral Scanner | CAST (INPE) | Current: CBERS-4
Future: -
Complete: - | Operational | Imaging multi-spectral radiometers (vis/IR) | Earth resources, environmental monitoring, land use. |
| Waveband: | 0.5 - 0.9 µm; 1.55 - 1.75 µm, 2.08 - 2.35 µm; 10.4 - 12.5 µm
VIS, NIR, SWIR, TIR |
| Spatial resolution: | PAN, SWIR: 40 m, TIR: 80 m
Best resolution: 40 m |
| Swath width: | 120 km |
| Accuracy: | |
| Data Access: | Open Access |
| Data Format: | |
|
NIR-SWIR
Multi-spectral Optical Camera - Near & Short Wave Infrared | CONAE, AEB | Current: -
Future: SABIA_MAR-A, SABIA_MAR-B
Complete: - | Approved | Ocean colour instruments | Ocean Colour - Open ocean, coastal & in-land waters. Atmospheric corrections |
| Waveband: | Near & Short Wave Infrared, 6 bands: 750 - 765 - 865 -1044 - 1240 – 1610 nm
NIR, SWIR |
| Spatial resolution: | 400m
Best resolution: 400 m |
| Swath width: | 1495 km |
| Accuracy: | |
| Data Access: | |
| Data Format: | |
|