Holographic Airborne Rotating Lidar Instrument Experiment

General Description  

NASA’s HARLIE and GLOW lidars will operate simultaneously at Wallops Island for the better part of a week to measure atmospheric winds, compare the results of the two methods, and to compare lidar measurements with radiosonde profiles, video imagery of cloud motions, and Doppler radar data.  Personnel from the Goddard light Center, the Wallops Flight Center, and Utah State University will participate.

Objectives 

• Intercomparison of wind profile data between HARLIE , GLOW, rawinsondes, SkyCam (cloud video), and other instruments that may be available at the Wallops facility.
• Daily measurement schedule (6 AM – 9 PM, local time) to include the most interesting diurnal change periods in the troposphere and stratosphere.
• Explore and assess the range of overlap of HARLIE and GLOW data as a function of atmospheric conditions, with particular attention to HARLIE’s emphasis on lower altitudes and clouds/aerosols vs. GLOW’s emphasis on predominantly molecular regions of the atmosphere.
• Operate and reduce HARLIE data 24-hours a day, as a “breadboard” demonstration of field-operation capability
• Demonstrate field operations of both lidars for research sponsors and other colleagues, by invitation.
• Gain valuable operational and scientific experience towards future calibration/validation campaigns on atmospheric wind profiling.

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