RESEARCH ASSOCIATES: Dr. Mike Foster, Dr. Jonathan Storey, Dr. Ivelin Baleski

MAILING ADDRESS: Hovemere Ltd. 56, Hayes St., Hayes, Bromley,
Kent, UK BR2 7LD

TELEPHONE NUMBER: 44-208-462-4921

FAX NUMBER: 44-208-462-7841

E-MAIL ADDRESS: walnut1@easynet.co.uk

WEB SITE: http://www.hovemere.com

DATE: 10/08/01

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.): ALOMAR, Andoya, Norway.
69 N, 16E.

SITE ELEVATION: 340m AMSL

PARAMETER(S) OR CONSTITUENT(S) MEASURED: Wind Profiles

RESEARCH OBJECTIVES AND SPONSOR: Wind climatology and varn.

MEASUREMENT TECHNIQUE: Incoherent / Direct Doppler
Detection, Fringe Imaging.

MEASUREMENT RANGE: 10 - 45 km altitude

VERTICAL RESOLUTION: 200 m.

FREQ. OF MEASUREMENT (TYPICALLY): 10 mins (currently, campaign
Basis, regular, 2002 onward)

MEASUREMENT TIMES (TYPICALLY): Coordinated with RMR Lidar.

LASER TYPE AND WAVELENGTH (s): Nd-YAG * 2 (l = 532 nm)

LASER ENERGY/PULSE: 600 mJ,

PULSE REPETITION RATE: 30 Hz.

RECEIVER SIZE AND CONFIGURATION: 2 * 1.8 m, Cass Focus

DETECTORS USED: 24-channel MCP / PMT Imaging.

SIGNAL PROCESSING: 24-Channel DSP.

ANALOG-T0-DIGITAL CONVERTER: Not applicable.

COMPUTER: 500 MHz. Pentium

PLATFORM (if applicable): International Observatory.

PUBLICATIONS (5 recent and/or significant):
230. REES D., U. VON ZAHN, G. VON COSSART, G. NELKE, K.H.FRICKE and N.D. LLOYD, (1997), "The Doppler Wind and Temperature System of the ALOMAR Lidar," ESA SP - 397, pp 121-128.
231. REES D., U. VON ZAHN, W. SINGER, G. VON COSSART, G. NELKE, K.H.FRICKE, R. RUSTER, W ERIKSEN and N.D. LLOYD, (1998), "Observations of Winds in the Arctic Stratosphere by the ALOMAR Doppler Wind and Temperature System" Proceedings of the 24th Annual European Meeting on Atmospheric by Optical Methods, ISBN 82-994583-0-7, p122-128, Sentraltrykkeriet, Bodo, Norway.
240. Hoffmann P., W. Singer, G.von Cossart, D. Rees, G. Schmidt, N.D. Lloyd, (1998), "Comparison of tropo--lower stratospheric winds obtained with the ALOMAR Sousy radar and the ALOMAR lidar Doppler wind system", Proc. of the 8th Workshop on Technical and Scientific Aspects of MST radar, ed. by B. Edwards, STEP, pp. 266 -269.
242. Baumgarten G., D. Rees, and N. D. Lloyd, Observations of Arctic Stratospheric Winds by the ALOMAR Doppler Wind and Temperature System, ESA SP-437, 331-334, 1999.
246. Rees D., U. von Zahn, G. von Cossart, K.H. Fricke, W. Eriksen and J.A. McKay, "Daytime Lidar measurements of the stratosphere and mesosphere at the ALOMAR Observatory", Adv. Sp. Res. Vol. 26, No. 6, 893-902, (2000).
250. von Zahn, U., G. von Cossart, J. Fiedler, K.H. Fricke, G. Nelke, G. Baumgarten, D. Rees, A. Hauchcorne and K. Adolfsen, "The ALOMAR Rayleigh / Mie / Raman Lidar: Objectives, Configuration and Performance," Annales Geophysicae, 18, 815-833, (2000).

COMMENTS: Periodic measurements since
late 1996.