EARLINET Raman Lidar Polly<sup>XT</sup>: the neXT generation
Author:
Engelmann R.ORCID, Kanitz T., Baars H.ORCID, Heese B.ORCID, Althausen D., Skupin A., Wandinger U., Komppula M., Stachlewska I. S.ORCID, Amiridis V.ORCID, Marinou E.ORCID, Mattis I., Linné H., Ansmann A.
Abstract
Abstract. The atmospheric science community demands for autonomous and quality-assured vertically resolved measurements of aerosol and cloud properties. For this purpose, a portable lidar called Polly was developed at TROPOS in 2003. The lidar system was continuously improved with gained experience from EARLINET, worldwide field campaigns and institute collaborations within the last 10 years. Here we present recent changes of the setup of our portable multiwavelength Raman and polarization lidar PollyXT and the improved capabilities of the system by means of a case study. Our latest developed system includes an additional near-range receiver unit for Raman measurements of the backscatter and extinction coefficient down to 120 m above ground, a water-vapor channel, and channels for simultaneous measurements of the particle linear depolarization at 355 and 532 nm. Quality improvements were achieved by following consequently the EARLINET guidelines and own developments. A modified ship radar ensures measurements in agreement with air-traffic safety regulations and allows 24/7 monitoring of the atmospheric state with PollyXT.
Publisher
Copernicus GmbH
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