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Atmosphere 2018, 9(7), 268; https://doi.org/10.3390/atmos9070268

Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR)—The Hailuoto 2017 Campaign

1
Geophysical Institute and Bjerknes Centre for Climate Research, University of Bergen, Postbox 7803, 5020 Bergen, Norway
2
Finnish Meteorological Institute, P.O. Box 503, 00101 Helsinki, Finland
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A.M. Obukhov Institute for Atmospheric Physics, RU-119017 Moscow, Russia
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Department of Environmental Engineering and Computer Science, University of Applied Sciences Ostwestfalen-Lippe, An der Wilhelmshöhe 44, 37671 Höxter, Germany
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Department of Geosciences, University of Tübingen, Hölderlinstr. 12, 72074 Tübingen, Germany
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The University Centre in Svalbard, P.O. Box 156, N-9171 Longyearbyen, Norway
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Institute of Meteorology and Climatology, Leibniz University Hannover, P.O. Box 6009, D-30060 Hannover, Germany
8
Uni Research Climate, Bjerknes Centre for Climate Research, P.O. Box 7810, N-5020 Bergen, Norway
9
Meteorology and Air Quality Section, Wageningen University, P.O. Box 9101, NL-6700 HB Wageningen, The Netherlands
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Lindenberg und Müller GmbH & Co. KG, Fasanenweg 4, 31249 Hohenhameln, Germany
*
Author to whom correspondence should be addressed.
Received: 30 April 2018 / Revised: 30 June 2018 / Accepted: 11 July 2018 / Published: 16 July 2018
(This article belongs to the Special Issue Atmospheric Measurements with Unmanned Aerial Systems (UAS))
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Abstract

The aim of the research project “Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR)” is to substantially increase the understanding of the stable atmospheric boundary layer (SBL) through a combination of well-established and innovative observation methods as well as by models of different complexity. During three weeks in February 2017, a first field campaign was carried out over the sea ice of the Bothnian Bay in the vicinity of the Finnish island of Hailuoto. Observations were based on ground-based eddy-covariance (EC), automatic weather stations (AWS) and remote-sensing instrumentation as well as more than 150 flight missions by several different Unmanned Aerial Vehicles (UAVs) during mostly stable and very stable boundary layer conditions. The structure of the atmospheric boundary layer (ABL) and above could be resolved at a very high vertical resolution, especially close to the ground, by combining surface-based measurements with UAV observations, i.e., multicopter and fixed-wing profiles up to 200 m agl and 1800 m agl, respectively. Repeated multicopter profiles provided detailed information on the evolution of the SBL, in addition to the continuous SODAR and LIDAR wind measurements. The paper describes the campaign and the potential of the collected data set for future SBL research and focuses on both the UAV operations and the benefits of complementing established measurement methods by UAV measurements to enable SBL observations at an unprecedented spatial and temporal resolution. View Full-Text
Keywords: stable atmospheric boundary layer; turbulence; unmanned aerial vehicles (UAV); remotely piloted aircraft systems (RPAS); ground-based in-situ observations; boundary layer remote sensing; Arctic; polar; sea ice stable atmospheric boundary layer; turbulence; unmanned aerial vehicles (UAV); remotely piloted aircraft systems (RPAS); ground-based in-situ observations; boundary layer remote sensing; Arctic; polar; sea ice
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Kral, S.T.; Reuder, J.; Vihma, T.; Suomi, I.; O’Connor, E.; Kouznetsov, R.; Wrenger, B.; Rautenberg, A.; Urbancic, G.; Jonassen, M.O.; Båserud, L.; Maronga, B.; Mayer, S.; Lorenz, T.; Holtslag, A.A.M.; Steeneveld, G.-J.; Seidl, A.; Müller, M.; Lindenberg, C.; Langohr, C.; Voss, H.; Bange, J.; Hundhausen, M.; Hilsheimer, P.; Schygulla, M. Innovative Strategies for Observations in the Arctic Atmospheric Boundary Layer (ISOBAR)—The Hailuoto 2017 Campaign. Atmosphere 2018, 9, 268.

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