RESEARCH ASSOCIATES: Dr. Zhien Wang

MAILING ADDRESS: 135 S 1460 E (819 WBB), University of Utah, Salt lake City, UT 84112 USA

TELEPHONE NUMBER: 801-585-9492

FAX NUMBER: 801-585-3681

E-MAIL ADDRESS: ksassen@met.utah.edu

WEB SITE: http:// www.met.utah.edu/ksassen/fars.html

DATE: 16 August 2001

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): Salt lake City, US, 40°49'00"N, 111°49'38"W

SITE ELEVATION: 1.52 km MSL

PARAMETER(S) OR CONSTITUENT(S) MEASURED: Backscatter and linear depolarization

RESEARCH OBJECTIVES AND SPONSOR: Basic and applied (satellite validation) research of clouds (especially cirrus) and aerosols

MEASUREMENT TECHNIQUE: Elastic backscatter

MEASUREMENT RANGE: Normally up to 17.5 km MSL

VERTICAL RESOLUTION: 7.5 m

FREQ. OF MEASUREMENT (TYPICALLY): 1-3 hours

MEASUREMENT TIMES (TYPICALLY): variable

LASER TYPE AND WAVELENGTH (s): Ruby, 0.694 mm

LASER ENERGY/PULSE: 1.5 J

PULSE REPETITION RATE: 0.1 Hz

RECEIVER SIZE AND CONFIGURATION: 25 cm diameter, Cassegrianian

DETECTORS USED: Dual PMT

SIGNAL PROCESSING: Computer

ANALOG-T0-DIGITAL CONVERTER: Digital oscilloscope

COMPUTER: PC

PLATFORM (if applicable): Facility for Atmospheric Remote Sensing, FARS

PUBLICATIONS (5 recent and/or significant):
Sassen, K., 1997: Contrail-cirrus and their potential for regional climate change. Bull. Amer. Meteor. Soc., 78, 1885-1903.
Sassen, K., and J. R. Campbell, 2001: A midlatitude cirrus cloud climatology from the Facility for Atmospheric Remote Sensing: I. Macrophysical and synoptic properties. J. Atmos. Sci., 58, 481-496.
Sassen, K., and S. Benson, 2001: A midlatitude cirrus cloud climatology from the Facility for Atmospheric Remote Sensing: II. Microphysical properties derived from lidar depolarization. J. Atmos. Sci., 58, 2103-2112.
Sassen, K., and J. M. Comstock, 2001: A midlatitude cirrus cloud climatology from the Facility for Atmospheric Remote Sensing: III. Radiative properties. J. Atmos. Sci., 58, 2113-2127.
Sassen, K., J. M. Comstock, Z. Wang, and G. G. Mace, 2001: Cloud and aerosol research capabilities at FARS: The Facility for Atmospheric Remote Sensing. Bull. Amer. Meteor. Soc., 82, 1119-1138.

COMMENTS:
Colocated with PDL, 95 GHz Doppler radar, and various visible, infrared, and microwave radiometers at FARS.