RESEARCH ASSOCIATES:
Aldo Amodeo, Salvatore Amoruso, Carmela Cornacchia, Paolo Di Girolamo, Maria Rosaria Martino, Lucia Mona, Marco Pandolfi

MAILING ADDRESS:
Istituto di Metodologie Avanzate di Analisi Ambientale -
Consiglio Nazionale delle Ricerche (IMAAA-CNR)
C.da S. Loja Tito Scalo - Zona Industriale I-85050 (PZ), Italy

TELEPHONE NUMBER: +39 0971 427 265

FAX NUMBER: +39 0971 427 271

E-MAIL ADDRESS: pappalardo@imaaa.pz.cnr.it

WEB SITE: http://www.pz.cnr.it

DATE: 11 October 2001

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): Tito Scalo (PZ), Italy 40°36'N, 15°44'E

SITE ELEVATION: 820 m above sea level

PARAMETER(S) OR CONSTITUENT(S) MEASURED:
- AEROSOLS (backscatter and extinction)
- WATER VAPOR (mixing ratio)
- CLOUDS (base, top, optical depth)

RESEARCH OBJECTIVES AND SPONSOR:
- Climatological studies
(CNR, ASI, ESA, EU, INFM)

MEASUREMENT TECHNIQUE:
ELASTIC BACKSCATTER AND RAMAN LIDAR

MEASUREMENT RANGE:
Aerosol: 0.5 - 30 km
Water vapor: 0.5 - 10 km

VERTICAL RESOLUTION:
Aerosol backscatter: 15 m up to 2 km, 60 m up to 10 km and 90 m above;
Aerosol extinction: 60 m up to 2 km and 150 m above;
Water vapor:75 m up to 6 km and 150 m up to 10 km;

FREQ. OF MEASUREMENT (TYPICALLY):
1 time per week

MEASUREMENT TIMES (TYPICALLY):
Aerosol: daytime and night time
Water vapor: night time conditions (daytime measurements are planned for the next future)

LASER TYPE AND WAVELENGTH (s):
Nd:YAG lasers: 355 nm

LASER ENERGY/PULSE:
Nd:YAG: 150 mJ

PULSE REPETITION RATE: 10 - 100 Hz

RECEIVER SIZE AND CONFIGURATION:
Cassegrain telescopes (50 cm primary mirror);

DETECTORS USED: PMT

SIGNAL PROCESSING:
Analog/Photon counting
Photon counting chain: amplifier 300 MHz, discriminator 300 MHz, multichannel scaler 100 ns dwell time

ANALOG-T0-DIGITAL CONVERTER:
Analog chain: 12 bit 30 MHz transient digitizer

COMPUTER: 800 MHz PC compatible

PLATFORM (if applicable): Windows

PUBLICATIONS (5 recent and/or significant):
1) V. Cuomo, P. Di Girolamo, G. Pappalardo, N. Spinelli, M. Armenante, V. Berardi, M.P. McCormick, LITE Correlative Measurements by Lidar in Potenza, Southern Italy, Journal of Geophysical Research Vol. 103, No. D10, 11,455-11,463 1998.

2) P. Di Girolamo, P. Ambrico, A. Amodeo, A. Boselli, G. Pappalardo, N. Spinelli, Aerosol observations in the nocturnal boundary layer, Appl. Opt. 38, N° 21, 4585-4595 (1999).

3) J. Schneider, D. Balis, C. Bockmann, J. Bosenberg, B. Calpini, A.P. Chaikovsky, A. Comeron, P. Flamant, V. Freudenthaler, A. Hagard, I. Mattis, V. Mitev, A. Papayannis, G. Pappalardo, J. Pelon, M.R. Perrone, D.P. Resendes, N. Spinelli, T. Trickl, G. Vaughan, and G. Visconti, A European aerosol research lidar network to establish an aerosol climatology (EARLINET), J. Aerosol Sci., 31, Suppl. 1, 592-593, 2000.

4) D. Whiteman, G. Schwemmer, T. Berkoff, H. Plotkin, L. Ramos, G. Pappalardo, Performance modeling of an airborne Raman water vapor lidar, Appl. Opt. 40, N°. 3, 375-390 (2001).

5) G. Pappalardo, M. Pandolfi, P.F. Ambrico, A. Amodeo, P. Di Girolamo, A. Boselli, Lidar measurements of aerosol extinction and backscatter in the PBL, in Advances in Laser Remote Sensing: Selected Papers presented at the 20th International Laser Radar Conference, Alain Dabas, Claude Loth and Jacques Pelon Editors, 207-210, École Polytechnique 2001.

COMMENTS:
This Raman lidar system is primarily devoted to water vapor and clouds measurements. At moment, this system is involved in the CAL/VAL Project of ENVISAT.