The HARLIE IHOP The HARLIE IHOP MeasurementsMeasurements

Geary Schwemmer, Belay Demoz

NASA/GSFC, David Miller, Sangwoo Lee, Natalie Deming SSAI, Gerry

McIntire RSC, Sonia Garcia USNA, Thomas Wilkerson USU

SPONSORS

James Dodge NASA HQ,

Stephen Mango IPO

OutlineOutline

• The HARLIE instrument & raw measurements

• Derived data products

• Summary and status of HARLIE IHOP data

A Ground-BasedA Ground-Based Holographic Holographic Airborne Rotating Lidar Instrument Airborne Rotating Lidar Instrument

Experiment (HARLIE)Experiment (HARLIE)

A Ground-BasedA Ground-Based Holographic Holographic Airborne Rotating Lidar Instrument Airborne Rotating Lidar Instrument

Experiment (HARLIE)Experiment (HARLIE)

http://harlie.gsfc.nasa.gov

HAVE LIDAR

WILL TRAVEL

1µm wavelength Aerosol Backscatter: 20 m Z, 100 ms t

12-36 second, 45° elevation, azimuthal (PPI) scans

0-20km altitude, 24/7 operation

Wide-angle visible SkyCam video

Basic Data ProductsBasic Data ProductsBackground subtracted, range

corrected, log (aerosol backscatter) profiles

Scan-by-scan polar plots

Scan averaged backscatter

Derived Data ProductsDerived Data Products

• BL statistics: 20 m• Cloud coverage & heights: 20 m• Wind profiles (experimental): 200 m Z, ~20

min. t

SkyCamSkyCam

IHOP Homestead Site Wind IHOP Homestead Site Wind Instrument IntercomparisonsInstrument Intercomparisons

GLOW collected over 210hrs of dataHARLIE cloud-tracked windsSKYCAM cloud-tracked windsS-POL Doppler radarsurface anemometer, GPS sondes (1-4 /day)Sodar, MAPR, Umass FM-CW RadarTransients: MIPS, DOW, X-POL, ELDORA, HRDL, WCR, dropsondes

Status of HARLIE Data Products

•Scan averaged (raw) backscatter images (PNG format)

•SKYCAM videos (AVI format)

•Boundary Layer parameters (ASCII, NETCDF, PNG formats)

•Cloud coverage & heights (ASCII, NETCDF, PNG formats)

•HARLIE & SKYCAM Winds

THE ENDTHE END

Optical SystemOptical System