LIDAR RESEARCHER:
Dr. Gelsomina Pappalardo
RESEARCH ASSOCIATES:
Aldo Amodeo, Salvatore Amoruso, Marco Pandolfi, Lucia Mona
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.
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