LIDAR RESEARCHER: Prof. Jan Bai Nee
RESEARCH ASSOCIATES: C. W. Chiang
MAILING ADDRESS: Department of Physics, National Central University
TELEPHONE NUMBER: 886-3-4227151-5311
FAX NUMBER: 886-3-425-1175
E-MAIL ADDRESS: jbnee@phy.ncu.edu.tw
WEB SITE: http:// lidar.phy.ncu.edu.tw
DATE: 2004/2/25
LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): Chung-Li (25 N,
121E) Taiwan
SITE ELEVATION: 0
PARAMETER(S) OR CONSTITUENT(S) MEASURED: Aerosol., cirrus cloud,
temperature
RESEARCH OBJECTIVES AND SPONSOR: Aerosol and Asian dust, Radiation,
dynamics, and chemistry from 0-30 km
MEASUREMENT TECHNIQUE: Rayleigh/Mie scattering lidar, Raman
channel available for water vapor and N 2 .
MEASUREMENT RANGE: 0-60 km
VERTICAL RESOLUTION: 24 m
FREQ. OF MEASUREMENT (TYPICALLY): Few days a week
MEASUREMENT TIMES (TYPICALLY): 3-8 hrs in the night
LASER TYPE AND WAVELENGTH (s): YAG 355,532, 1064 nm
LASER ENERGY/PULSE: 532 @200-30 mj (two lasers)
PULSE REPETITION RATE: 20 and 30 Hz
RECEIVER SIZE AND CONFIGURATION 45 cm Newtonian and 20 cm Casseg.
:
DETECTORS USED: PMT
SIGNAL PROCESSING: Multichannel analyzer
ANALOG-T0-DIGITAL CONVERTER:
COMPUTER: PC
PLATFORM (if applicable):
PUBLICATIONS (5 recent and/or significant):
1 J. B. Nee, W. N. Chen, C. N. Lien, C.
I . Lin, " Lidar detection
of cirrus cloud in Chung-Li (25 N, 121 E)" , J. Atmos. Sci.55,
2249, 1998.
2. J . B. Nee et al. "Middle atmospheric temperature structure
over two tropical locations, Chung-Li (25N, 121E) and Gadanki(13.5,79.2)",
J. Atoms. Solar Terrestrial Phys, 64, 1311-1319, 2002.
3. . W. N. Chen, J. W. Jian, and J.B. Nee
: "Lidar ratio and
depolarization ratio of cirrus clouds" Applied Optics, 41,6470,
2002.
4. W. N. Chen, C. C. Tsao, and J. B. Nee, "Rayleigh Lidar Temperature
Measurements in the Upper Troposphere and Lower Stratosphere" JASTP
66,39-49, 2004,
5. C. W. Chiang, W. N. Chen, W. A. Liang,
and J. B. Nee "Lidar
Measurements of Spring Dusts in 2002 at Chung-Li (25 0 N,121
0 E), T errestrial, A tmosphere, and O cean , 2004 to be published.
COMMENTS: Lidar research since 1993.
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