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CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- SSM/I
-
Full Name
Special Sensor Microwave Imager
Status
Operational
Instrument Agencies
NOAA
, DoD (USA)
Maturity
High Heritage - Operational
Instrument Type
Imaging multi-spectral radiometers (passive microwave)
Geometry
Conical scanning
Instrument Technology
Multi-purpose imaging MW radiometer
Sampling
Other
Data Access
Open Access
Data Format
Binary, NetCDF
Measurements and Applications
Measures atmospheric, ocean and terrain microwave brightness temperatures to provide: sea surface winds, rain rates, cloud water, precipitation, soil moisture, ice edge, ice age.
Resolution Summary
15.7 x 13.9 km to 68.9 x 44.3 km (depends on frequency)
Swath Summary
1400 km
Accuracy Summary
Waveband Summary
Microwave: 19.35 GHz, 22.235 GHz, 37 GHz, 85 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Category
Parameter
Atmospheric Humidity Fields
Atmospheric specific humidity (TC)
Cloud particle properties and profile
Cloud liquid water (TC)
Liquid water and precipitation rate
Precipitation intensity at the surface (liquid or solid)
Ocean surface winds
Wind speed over sea surface (horizontal)
Snow cover, edge and depth
Snow cover
Snow water equivalent
Soil moisture
Soil moisture at the surface
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
search ECV Inventory records
Snow
click here
click here
search ECV Inventory records
Soil Moisture
click here
click here
search ECV Inventory records
Water Vapour (upper air)
click here
click here
search ECV Inventory records
Instrument Missions
DMSP F-8 - Defense Meteorological Satellite Program F-8 (1987 - 2006)
DMSP F-10 - Defense Meteorological Satellite Program F-10 (1990 - 1993)
DMSP F-11 - Defense Meteorological Satellite Program F-11 (1991 - 2000)
DMSP F-12 - Defense Meteorological Satellite Program F-12 (1994 - 2004)
DMSP F-13 - Defense Meteorological Satellite Program F-13 (1995 - 2015)
DMSP F-14 - Defense Meteorological Satellite Program F-14 (1997 - 2020)
DMSP F-15 - Defense Meteorological Satellite Program F-15 (1999 - 2019)
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