ICLAS: International Coordination-group on Laser Atmospheric Studies
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LIDAR RESEARCHER: Dr. Genelita B. Tubal

RESEARCH ASSOCIATES:

MAILING ADDRESS: A-107 Hardin ng Bougainvillea, UP, Diliman, Quezon City, Philippines

TELEPHONE NUMBER: Office: (63-2) 928-3534; (63-2) 928-2621 to 24 Ext 26
Res: (63-2) 924-9070

FAX NUMBER: (63-2) 928-2625

E-MAIL ADDRESS: gmtubal@edsamail.community.ph or gmtubal@pworld.net.ph

WEB SITE: http://

DATE: August 21, 2001

LIDAR LOCATION: Quezon City, Philippines, 14.64 E 121.07 N

SITE ELEVATION: 50 amsl

PARAMETER(S) OR CONSTITUENT(S) MEASURED: Height of boundary layer from particulate backscattering

RESEARCH OBJECTIVES AND SPONSOR: To determine the diurnal variation of the boundary layer over Metro Manila, Philippines (the first BL experimental study in the Philippines)

SPONSORS:
q (Philippine's) Department of Science and Technology
q Ateneo de Manila University-Manila Observatory
q Philippine Astronomical, Geophysical, Atmospheric and Space Administration
q University of the Philippines College of Engineering - National Centre for Transportation Studies
q Department of Environmental and Natural Resources - Environmental Management Bureau
q University of the Philippines Office of Research Coordination

MEASUREMENT TECHNIQUE: Average 20 pulses, record 1 data profile/second

MEASUREMENT RANGE: 6800 m

VERTICAL RESOLUTION: 7.5 m

FREQ. OF MEASUREMENT (TYPICALLY): (My study: 7 consecutive days)

MEASUREMENT TIMES (TYPICALLY): 04:30 - 11:30 LST; 12:30-19:30 LST

LASER TYPE AND WAVELENGTH (s): Q-Switched Nd:YAG/532 nm

LASER ENERGY/PULSE: 150mJ

PULSE REPETITION RATE: 20Hz

RECEIVER SIZE AND CONFIGURATION: 30 cm /biaxial/monostatic

DETECTORS USED: PMT

SIGNAL PROCESSING: MatLab Programs

ANALOG-T0-DIGITAL CONVERTER: GageScope

COMPUTER: Dell PC, Pentium 2

PLATFORM (if applicable): Rigid/fixed steel bars on the rooftop of a building

PUBLICATIONS (5 recent and/or significant): (Lidar related)
Tubal, G., et.al, Development of LIDAR Scanning Facility for Mixed Layer Studies, 16th National Physics Congress Proceedings, Quezon City, Philippines, October 1998

Tubal, G., et.al, LIDAR Determination of the Mixed Layer Height, Proceedings of the 17th National Physics Congress, Tacloban City, Philippines 22-24 October 1999

Daza, S, A. Aaron, C. Enaje, J. Castaneda, J. Holdsworth, G. Tubal, J. Villarin, Construction of a LIDAR System fro Boundary Layer Height Measurements, Proceedings of the 17th National Physics Congress, Tacloban City, 22-24 October 1999

(Awaiting publication of paper written for a refereed journal)

COMMENTS: Research abstract submitted for poster presentation at the most recent ILRC was part of my doctoral thesis. Lidar used in the study has mechanical problem and is currently undergoing repair and maintenance.

 
 

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