Arctic Cloud Observation Using airborne measurements during polar Day

ACLOUD is a joint project of different German universities and research institutes (listed below) embedded in the Transregional Collaborative Research Centre TR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms (AC)³

The general goal of ACLOUD is to obtain a comprehensive data set of a diversity of atmospheric parameters that will be used to understand and quantify specific physical processes in, above, and below Arctic clouds. The analysis of the measurement data will, in combination with different kinds of atmospheric models, be used to estimate the role of Arctic clouds for the amplified climate change in Polar Regions. Specific goals of participating scientists from Section Polar Meteorology at AWI are related to the turbulent transport of energy and momentum in and below clouds.

ACLOUD employs two research aircraft, Polar 5 & 6, operated by the Alfred Wegener Institute for Marine and Polar research. The research flights aim to measure properties of cloud and aerosol particles, trace gas concentration, the energy fluxes in the atmospheric column including radiative fluxes as well as fluxes of sensible and turbulent latent heat. In situ measurement techniques and remote sensing instruments will be applied. Measurements will be coordinated with surface based measurements during  a drifting  ice station (PASCAL) employed close to RV Polarstern north of Svalbard in June 2017. Scientists of Section Polar Meteorology will participate at PASCAL with helicopter born measurements of sea ice surface characteristics.

The campaign starts on 20th May 2017 and will last until 28 June 2017.

Particpating institutes

  • LIM Leipzig Institute for Meteorology, University of Leipzig, Germany
  • IGM Institute for Geophysics and Meteorology, University of Collogne, Germany
  • AWI Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven and Potsdam, Germany
  • TROPOS Leibniz Institute for Tropospheric Research, Leipzig, Germany
  • IPA Institute for Atmospheric Physics, Johannes Gutenberg University Mainz, Germany
  • MPI-C Max Planck Institute for Chemistry, Mainz, Germany
  • KIT Karlsruhe Institute for Technology, Germany
  • LaMP Laboratoire de Météorologie Physique, Clermont-Ferrand, France

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