THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name L-band Radiometer (SMAP) Status Operational
Instrument Agencies NASA Maturity
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 HDF-5
Measurements and Applications High-accuracy measurements of brightness temperatures for global estimates of surface soil moisture for climate modeling and weather prediction
Resolution Summary 40km spatial resolution; 3 days temporal resolution
Swath Summary 40-deg constant incidence angle across the 1000 km swath
[Max Swath: 1000 km]
Accuracy Summary 1.3K accuracy brightness temperature
Waveband Summary L-band (1.4 GHz)
L-Band (2 - 1 GHz)
Instrument Measurements
Measurements Overview
Soil moistureSoil moisture at the surface
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Soil Moisture click here click here search ECV Inventory records
Instrument Missions
SMAP - Soil Moisture Active Passive (2015 - 2023)
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