Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 17, issue 3
Articles | Volume 17, issue 3
https://doi.org/10.5194/essd-17-1295-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-1295-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 3
Data description paper
 | 
01 Apr 2025
Data description paper |  | 01 Apr 2025

A comprehensive in situ and remote sensing data set collected during the HALO–(𝒜 𝒞)3 aircraft campaign

André Ehrlich, Susanne Crewell, Andreas Herber, Marcus Klingebiel, Christof Lüpkes, Mario Mech, Sebastian Becker, Stephan Borrmann, Heiko Bozem, Matthias Buschmann, Hans-Christian Clemen, Elena De La Torre Castro, Henning Dorff, Regis Dupuy, Oliver Eppers, Florian Ewald, Geet George, Andreas Giez, Sarah Grawe, Christophe Gourbeyre, Jörg Hartmann, Evelyn Jäkel, Philipp Joppe, Olivier Jourdan, Zsófia Jurányi, Benjamin Kirbus, Johannes Lucke, Anna E. Luebke, Maximilian Maahn, Nina Maherndl, Christian Mallaun, Johanna Mayer, Stephan Mertes, Guillaume Mioche, Manuel Moser, Hanno Müller, Veronika Pörtge, Nils Risse, Greg Roberts, Sophie Rosenburg, Johannes Röttenbacher, Michael Schäfer, Jonas Schaefer, Andreas Schäfler, Imke Schirmacher, Johannes Schneider, Sabrina Schnitt, Frank Stratmann, Christian Tatzelt, Christiane Voigt, Andreas Walbröl, Anna Weber, Bruno Wetzel, Martin Wirth, and Manfred Wendisch

Data sets

Collection of data sources from the HALO research aircraft for the HALO-(AC)³ field campaign, March/April 2022 A. Ehrlich et al. https://doi.org/10.1594/PANGAEA.968885

Collection of data sources from the Polar 5 research aircraft for the HALO-(AC)³ field campaign, March/April 2022 M. Mech et al. https://doi.org/10.1594/PANGAEA.968883

Collection of data sources from the Polar 6 research aircraft for the HALO-(AC)³ field campaign, March/April 2022 A. Herber et al. https://doi.org/10.1594/PANGAEA.968884

Model code and software

mariomech/mosaic-aca_aflux_data_processing: All instruments included (v0.2) M. Mech https://doi.org/10.5281/zenodo.7390347

AnWalbroel/CSSC_HALO-AC3: CSSC_HALO-AC3 for: The HALO–(AC)3 data set (1.0.0) A. Walbröl https://doi.org/10.5281/zenodo.15085734

NCAR/EOL Atmospheric Sounding Processing ENvironment (ASPEN) software, Version 4.0.0 C. Martin and I. Suhr https://www.eol.ucar.edu/content/aspen

ac3airborne M. Mech et al. https://doi.org/10.5281/zenodo.7305585

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Short summary
This paper provides an overview of the HALO–(AC)3 aircraft campaign data sets, the campaign-specific instrument operation, data processing, and data quality. The data set comprises in situ and remote sensing observations from three research aircraft: HALO, Polar 5, and Polar 6. All data are published in the PANGAEA database by instrument-separated data subsets. It is highlighted how the scientific analysis of the HALO–(AC)3 data benefits from the coordinated operation of three aircraft.
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