THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HDWL (3D Winds) -
Full Name HDWL (3D Winds) Status Proposed
Instrument Agencies NASA Maturity Low Heritage
Instrument Type Lidars Geometry Nadir-viewing
Instrument Technology Doppler lidar Sampling Other
Data Access Open Access Data Format
Measurements and Applications Tropospheric winds for weather forecasting and pollution transport.
Resolution Summary 300 km along track horizontal resolution
Swath Summary View 45 degrees of nadir at four azimuth angles: 45, 135, 225, 315 deg.
Accuracy Summary 2-3 m/s LOS wind accuracy projected into horizontal from all effects including sampling error
Waveband Summary 2.051 µm and 0.355 µm
UV (~0.01 µm - ~0.40 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
CategoryParameterAccuracy
Atmospheric WindsWind speed over land surface (horizontal) 
Wind vector over land surface (horizontal) 
Ocean surface windsWind vector over sea surface (horizontal) 
Instrument Missions
3D Winds - Three Dimensional Tropospheric Winds from Space Based Lidar (2030 - 2033)
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