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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