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CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- VAS
-
Full Name
VISSR Atmospheric Sounder
Status
No longer operational
Instrument Agencies
NOAA
Maturity
Instrument Type
Atmospheric temperature and humidity sounders
Geometry
Earth disk scanning
Instrument Technology
Narrow-band channel IR radiometer
Sampling
Sounding
Data Access
Data Format
Measurements and Applications
VISSR Atmospheric Sounder. Spin scan radiometer/atmospheric sounder. 8 detectors for 1 visible channel, 6 detectors for 3 IR channels.
Resolution Summary
VIS channel: 0.9 km at s.s.p.; TIR channel: 6.9 km at s.s.p.; all other channels: either 6.9 or 13.8 km.
[Best Resolution: 900m]
Swath Summary
Hemispheric view
Accuracy Summary
Waveband Summary
Cloud imagery: VIS 0.55-0.75μm, IR 10.5-12.6 μm. Atmospheric sounding (12 channels centred on 3.94, 4.44, 4.51, 6.7, 7.2, 11.2, 12.7, 13.3, 14.0, 14.2, 14.5 and 14.7 μm).
VIS (~0.40 µm - ~0.75 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Measurements Overview
Category
Parameter
Atmospheric Humidity Fields
Atmospheric specific humidity (LT, HT, TC)
Atmospheric Temperature Fields
Atmospheric temperature (LT, HT)
Atmospheric stability index
Cloud type, amount and cloud top temperature
Cloud cover
Cloud top height
Liquid water and precipitation rate
Precipitation intensity at the surface (liquid or solid)
Surface temperature (ocean)
Sea surface temperature
Thematic Links
Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECV
Description
Product(s)
ECV Inventory 3.0 Record(s)
Cloud Properties
click here
click here
search ECV Inventory records
Precipitation
click here
click here
NOAA Climate Data Record (CDR) of Precip...
Sea Surface Temperature
click here
click here
search ECV Inventory records
Temperature (upper-air)
click here
click here
search ECV Inventory records
Water Vapour (upper air)
click here
click here
search ECV Inventory records
Instrument Missions
GOES-4 - Geostationary Operational Environmental Satellite - 4 (1980 - 1988)
GOES-5 - Geostationary Operational Environmental Satellite - 5 (1981 - 1990)
GOES-6 - Geostationary Operational Environmental Satellite - 6 (1983 - 1989)
GOES-7 - Geostationary Operational Environmental Satellite - 7 (1987 - 1996)
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Symbios