ICLAS: International Coordination-group on Laser Atmospheric Studies
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LIDAR RESEARCHER:
Professor Bertrand CALPINI

RESEARCH ASSOCIATES:
Dr. Valentin SIMEONOV

MAILING ADDRESS:
Air Pollution Laboratory
Swiss Federal Institute of TechnologY - Lausanne,
CH - 1015 LAUSANNE, SWITZERLAND

TELEPHONE NUMBER:
++41 21 693 6185

FAX NUMBER:
++41 21 693 5145

E-MAIL ADDRESS:
Bertrand.calpini@epfl.ch

WEB SITE: http://dgrwww.epfl.ch/PAS/lidar/

DATE:
Augst 22, 2001

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.):
JUNGFRAUJOCH, SWITZERLAND

SITE ELEVATION:
3'500 M ASL

PARAMETER(S) OR CONSTITUENT(S) MEASURED:
OZONE-WATER VAPOR-AEROSOL-TEMPERATURE

RESEARCH OBJECTIVES AND SPONSOR:
NEW LIDAR TECHNLOLOGIES FOR PROBING THE ATMOSPHERE AND GUIDING MODELING STUDIES

MEASUREMENT TECHNIQUE:

AEROSOL LIDAR, DIAL, RAMAN DIAL, ROTATIONAL RAMAN LIDAR

MEASUREMENT RANGE:
50 m AGL - 50 km AGL

VERTICAL RESOLUTION:
50 m - 2 km

FREQ. OF MEASUREMENT (TYPICALLY):
1 WEEK EVERY 2 WEEKS

MEASUREMENT TIMES (TYPICALLY):
DAY AND NIGHT TIME OPERATION

LASER TYPE AND WAVELENGTH (s):
NdYAG 1 micron, 532 nm, 355 nm, and 266 nm

LASER ENERGY/PULSE:
50 - 400 mJ7pulse

PULSE REPETITION RATE:
Up to 100 Hz

RECEIVER SIZE AND CONFIGURATION:
Off axis telescopes: 1 x newtonian 20 cm, 2 x Cassegrain 76 cm

DETECTORS USED:
Photomultipliers and avalanche photodiodes

SIGNAL PROCESSING:
Labview, Mathlab

ANALOG-T0-DIGITAL CONVERTER:
12 bit - 20 MHz digital converter

COMPUTER:
PC based

PLATFORM (if applicable):

PUBLICATIONS (5 recent and/or significant):
A combined determination of wind velocities and ozone concentrations for a first measurement of ozone fluxes with a DIAL instrument during the Medcaphot Trace campaign (L. Fiorani, B. Calpini, L. Jaquet, H. van den Bergh, E. Durieux), Atmospheric Environment, Vol.32, No 12, pp 2151-2159, 1998.

Tropospheric air pollution monitoring: Lidar (L. Schoulepnikoff, H. van den Bergh, V. Mitev, B. Calpini) review article, Encyclopedia of Environmental Analysis and Remediation, John Wiley & Sons, Ed. Robert A. Meyers, Vol. 8, pp 4873-4909, 1998.

Raman Frequency Shifting in CH4 :H2 :Ar mixture pumped by the 4th Harmonic of Nd :YAG (V. Simeonov, V. Mitev, H. van den Bergh, and B. Calpini) Applied Optics, Vol 37, No 30, pp 7112-7115, 1998.

The influence of the photomultiplier tube spatial uniformity on lidar signals
(V. Simeonov, G. Larchevêque, P. Quaglia, H. van den Bergh, and B. Calpini) Applied Optics, Vol.38, pp. 5186-5190, 1999.

Effect of sea breeze on air pollution in the Greater Athens Area. Part I: Numerical simulations and field observations (A. Clappier, A. Martilli, P. Grossi, P. Thunis, F. Pasi, B.C. Krueger, B. Calpini, G. Graziani and H. van den Bergh) Journal of Appl. Meteor., Vol. 39, N°4, 546-562, 2000

Total VOC Reactivity in the Planetary Boundary Layer, Part One: Estimation by a Pump and Probe OH Experiment (Francois Jeanneret, Frank Kirchner, Alain Clappier, Hubert van den Bergh, and Bertrand Calpini), J. Geophys. Res., Vol. 106, pp. 3083-3094, 2001

Raman-DIAL O3 and H2O measurements in the planetary boundary layer : (B. Lazzarotto, M. Frioud, G. Larchevêque, V. Mitev, P. Quaglia, V. Simeonov, A. Thompson, H. van den Bergh, and B. Calpini) Applied optics, Vol. 40, 18, pp.2985-2997, 2001

 
 

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