EPJ Web Conf.
Volume 176, 2018The 28th International Laser Radar Conference (ILRC 28)
|Number of page(s)||4|
|Section||Lidars applications in atmospheric structure and composition: Aerosols, clouds, trace gases|
|Published online||13 April 2018|
A novel automatic calibration system for water vapor Raman LIDAR
Federal Office of Meteorology and Climatology, MeteoSwiss, Payerne, Switzerland
2 Ecole Polytechnique Fédérale de Lausanne - EPFL, CH-1015 Lausanne, Switzerland
Published online: 13 April 2018
RALMO is operated at MeteoSwiss and provides continuous measurements of water vapor since 2008. Water vapor needs calibration to be used for climatological and meteorological studies. Primarily, RALMO is calibrated against a reference radiosonde. A secondary new calibration system based on an internal LED has been installed to perform automatic relative calibrations correcting for instrumental drifts. This study characterizes the secondary calibration system and validates it against the primary.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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