ICLAS: International Coordination-group on Laser Atmospheric Studies
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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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