ICLAS: International Coordination-group on Laser Atmospheric Studies
Sort by: Researcher | Species Measured | Country              Update Personal Directory
 
 

LIDAR RESEARCHER: Dr. Thomas Trickl

MAILING ADDRESS: Kreuzeckbahnstr. 19, D-82467 Garmisch-Partenkirchen, Germany

TELEPHONE NUMBER: (+49)-8821-183-209

FAX NUMBER: (+49)-8821-73573

E-MAIL ADDRESS: trickl@ifu.fhg.de

WEB SITE: http://www.ifu.fhg.de

DATE: August 14, 2001

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): Garmisch-Partenkirchen, Germany, 47.5 N, 11.0 E

SITE ELEVATION: 740 m a.s.l.

PARAMETER(S) OR CONSTITUENT(S) MEASURED: Tropospheric ozone

RESEARCH OBJECTIVES AND SPONSOR: Investigation of ozone in the entire troposphere and lower stratosphere with emphasis on atmospheric transport; sponsors: Deutsche Bundesstiftung Umwelt, European Union, German Bundesministerium für Bildung, Forschung und Technologie

MEASUREMENT TECHNIQUE: Three-wavelength DIAL

MEASUREMENT RANGE: 0.2 to 15 km above ground

VERTICAL RESOLUTION: dynamically set, 0.05 to 0.5 km

FREQ. OF MEASUREMENT (TYPICALLY): 1 measurement per hour during selected episodes

MEASUREMENT TIMES (TYPICALLY): 45 s

LASER TYPE AND WAVELENGTH (s): Narrow-band KrF laser, Raman shifted in hydrogen and deuterium; 277 nm, 292 nm, 313 nm

LASER ENERGY/PULSE: 0.4 J

PULSE REPETITION RATE: 100 Hz

RECEIVER SIZE AND CONFIGURATION: 130 mm and 500 mm Newtonian tele-scopes

DETECTORS USED: 6 Hamamatsu H5783P-06 PMTs

SIGNAL PROCESSING: 2 channels with 700 MHz photon counters (Optech), 6 channels with 12 bit/20 MHz transient digitizers

ANALOG-T0-DIGITAL CONVERTER: 12 bit/20 MHz (DSP Technology)

COMPUTER: PC

PLATFORM (if applicable): Top floor of building

PUBLICATIONS (5 recent and/or significant):

H. Eisele, T. Trickl, Second Generation of the IFU Stationary Tropospheric Ozone Lidar, in: Advances in Atmospheric remote Sensing with Lidar, A. Ansmann et al., Eds., Springer (1997) 379-382

H. Eisele, H. E. Scheel, R. Sladkovic, T. Trickl, High-Resolution Lidar Measurements of Stratosphere Troposphere Exchange, J. Atmos. Sci. 56 (1999) 319-330

A. Stohl, T. Trickl, A textbook example of long-range transport: Simultaneous observa-tion of ozone maxima of stratospheric and North American origin in the free troposphere over Europe, J. Geophys. Res. 104 (1999) 30445-30462

A. Stohl, N. Spichtinger-Rakowsky, P. Bonasoni, H. Feldmann, M. Memmesheimer, H. E. Scheel, T. Trickl, S. Hübener, W. Ringer, M. Mandl, The influence of stratospheric intrusions on alpine ozone concentrations, Atmos. Environ. 34 (2000) 1323-1354

P. Seibert, H. Feldmann, B. Neininger, M. Bäumle, T. Trickl, South foehn and ozone in the East Alps - case study and climatological aspects, Atmos. Environ. 34 (2000) 1379-1394

COMMENTS: The accuracy of the ozone mixing ratio is of the order of 3 ppb up to about 5 km and 5 ppb above this; further technical improvements are planned to upgrade the performance in the upper troposphere.

 
 

ICLAS: Officers & Membership | Charter/Purpose
LIDAR DIRECTORY

ILRC: ILRC Description | Next Conference | Past Locations & Chairs | Guidelines for Proposal Submission to Host the ILRC
Abstract & Presentation Rules
Awards: Inaba Prize | Lifetime Achievement | ILRC Awards

 

 

Link: ICLAS Link: Lidar Directory Link: ILRC Link: Awards