References

AMT

Atmospheric Measurement Techniques

AMT

Atmos. Meas. Tech.

1867-8548

Copernicus Publications

Göttingen, Germany

10.5194/amt-6-1329-2013

Raman Lidar for Meteorological Observations, RALMO – Part 1: Instrument description

Dinoev

¹ Simeonov

¹ Arshinov

² Bobrovnikov

² Ristori

¹ ³ Calpini

⁴ Parlange

¹ van den Bergh

⁵

Laboratory of Environmental Fluid Mechanics and Hydrology (EFLUM), Ecole Polytechnique Fédérale de Lausanne EPFL-ENAC, Station 2, 1015 Lausanne, Switzerland

V.E. Zuev Institute of Atmospheric Optics SB RAS1, Academician Zuev Square, Tomsk, 634021, Russia

División Lidar, CEILAP (UNIDEF-CITEDEF-MINDEF-CONICET), San Juan Bautista de La Salle 4397 (B1603ALO), Villa Martelli, Buenos Aires, Argentina

Federal Office of Meteorology and Climatology MeteoSwiss, Atmospheric Data, P.O. Box 316, 1530 Payerne, Switzerland

Laboratory of Air and Soil Pollution, Ecole Polytechnique Fédérale de Lausanne EPFL, Station 6, 1015 Lausanne, Switzerland

22 05 2013

6 5 1329 1346

2013

This work is licensed under the Creative Commons Attribution 3.0 Unported License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/3.0/

This article is available from https://amt.copernicus.org/articles/6/1329/2013/amt-6-1329-2013.html

The full text article is available as a PDF file from https://amt.copernicus.org/articles/6/1329/2013/amt-6-1329-2013.pdf

A new Raman lidar for unattended, round-the-clock measurement of vertical water vapor profiles for operational use by the MeteoSwiss has been developed during the past years by the Swiss Federal Institute of Technology, Lausanne. The lidar uses narrow field-of-view, narrowband configuration, a UV laser, and four 30 cm in diameter mirrors, fiber-coupled to a grating polychromator. The optical design allows water vapor retrieval from the incomplete overlap region without instrument-specific range-dependent corrections. The daytime vertical range covers the mid-troposphere, whereas the nighttime range extends to the tropopause. The near range coverage is extended down to 100 m AGL by the use of an additional fiber in one of the telescopes. This paper describes the system layout and technical realization. Day- and nighttime lidar profiles compared to Vaisala RS92 and Snow White<sup>®</sup> profiles and a six-day continuous observation are presented as an illustration of the lidar measurement capability.

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