AMALi – the Airborne Mobile Aerosol Lidar for Arctic research 1Alfred Wegener Institute for Polar and Marine Research, Telegrafenberg A43, 14473 Potsdam, Germany
2Institute of Geophysics, Faculty of Physics, University of Warsaw, Pasteura 7, 02-093 Warsaw, Poland
3Laboratory of Atmospheric Chemistry, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
Received: 30 June 2009 – Published in Atmos. Chem. Phys. Discuss.: 10 September 2009 Abstract. The Airborne Mobile Aerosol Lidar (AMALi) is an instrument
developed at the Alfred Wegener Institute for Polar and Marine Research
for reliable operation under the challenging weather conditions at the Earth's polar regions.
Since 2003 the AMALi has been successfully deployed
for measurements in ground-based installation and zenith- or nadir-pointing airborne configurations
during several scientific campaigns in the Arctic.
The lidar provides backscatter profiles at two wavelengths (355/532 nm or 1064/532 nm)
together with the linear depolarization at 532 nm,
from which aerosol and cloud properties can be derived.
This paper presents the characteristics and capabilities of the AMALi system
and gives examples of its usage for airborne and ground-based operations in the Arctic.
As this backscatter lidar normally does not operate in aerosol-free layers
special evaluation schemes are discussed,
the nadir-pointing iterative inversion for the case of an unknown boundary condition
and the two-stream approach for the extinction profile calculation if a second lidar system probes the same air mass.
Also an intercomparison of the AMALi system with an established ground-based Koldewey Aerosol Raman Lidar (KARL) is given.
Revised: 18 March 2010 – Accepted: 25 March 2010 – Published: 29 March 2010
Citation: Stachlewska, I. S., Neuber, R., Lampert, A., Ritter, C., and Wehrle, G.: AMALi – the Airborne Mobile Aerosol Lidar for Arctic research, Atmos. Chem. Phys., 10, 2947-2963, doi:10.5194/acp-10-2947-2010, 2010.