LIDAR RESEARCHER: Dr. Michael Gerding, Prof. Dr. Franz-Josef Lübken

RESEARCH ASSOCIATES: Monika Rauthe

MAILING ADDRESS:

Leibniz-Institute of Atmospheric Physics, Schloss-Strasse 6, 18225 Kuehlungsborn, Germany

TELEPHONE NUMBER: +49 38293 680

FAX NUMBER: +49 38293 6850

E-MAIL ADDRESS: gerding, luebken, rauthe@iap-kborn.de

WEB SITE: http://www.iap-kborn.de/optik/optik_e.htm

DATE: May 24, 2004

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

Kuehlungsborn, Germany, 54°07'N, 11°46'E

SITE ELEVATION: 70 m

PARAMETER(S) OR CONSTITUENT(S) MEASURED:

temperature, aerosol backscatter coefficient (1064 nm, 532 nm, 355 nm), aerosol extinction coefficient (532 nm, 355 nm), water vapour mass mixing ratio

RESEARCH OBJECTIVES AND SPONSOR:

Thermal structure from troposphere to upper mesosphere, gravity wave parameters depending on altitude region

Tropospheric aerosol parameters, stratospheric aerosol parameters, noctilucent cloud parameters

Tropospheric water vapour distribution

MEASUREMENT TECHNIQUE: Rayleigh backscatter, vibrational Raman backscatter, rotational Raman backscatter

MEASUREMENT RANGE: 1-100 km

VERTICAL RESOLUTION: 50 m (tropospheric aerosol), 200 m (other parameters)

FREQ. OF MEASUREMENT (TYPICALLY): all clear nights, at daytime irregular (tropospheric aerosol)

MEASUREMENT TIMES (TYPICALLY): 3 h - 24 h

LASER TYPE AND WAVELENGTH (s):

Spectra Physics GCR-290

Nd:YAG (seeded, Q-switched) at 1064 nm, frequency doubled and tripled

LASER ENERGY/PULSE: 500mJ@1064nm, 400 mJ@532 nm, 200mJ@355nm

PULSE REPETITION RATE: 30 Hz

RECEIVER SIZE AND CONFIGURATION:

up to 7 mirror with 50 cm diameter each, selectable with fiber bundle, zenith looking

DETECTORS USED: PMTs, photon counting APD

SIGNAL PROCESSING: all digital

ANALOG-T0-DIGITAL CONVERTER: -

COMPUTER: PC

PLATFORM (if applicable): Windows NT

PUBLICATIONS:

Alpers, M., M. Gerding, J. Höffner, and U. von Zahn, NLC particle properties from a 5-color lidar observation at 54°N, J. Geophys. Res., 105 , 12235-12240, 2000.

Alpers, M., M. Gerding, J. Höffner, and J. Schneider, Multiwavelength lidar observation of a strange noctilucent cloud at Kühlungsborn, Germany (54°N), J. Geophys. Res., 106 , 7945-7953, 2001.

Eixmann, R., C. Böckmann, B. Fay, V. Matthias, I. Mattis, D. Müller, S. Kreipl, J. Schneider, and A. Stohl, Tropospheric aerosol layers after a cold front passage in January 2000 as observed at several stations of the German Lidar Network, Atmos. Res., 63 , 39-58, 2002.

Alpers, M., R. Eixmann, C. Fricke-Begemann, M. Gerding, and J. Höffner, Temperature lidar measurements from 1 to 105 km altitude using resonance, Rayleigh, and Rotational Raman scattering, Atmos. Chem. Phys. , 4, 793-800, 2004.

COMMENTS:

Co-located with a potassium temperature lidar (see separate entry) and Na/Ca/Fe-resonance-lidar (metal density measurements using dye lasers).