EUREC<sup>4</sup>A's <i>HALO</i>

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EUREC<sup>4</sup>A's <i>HALO</i>

<p>As part of the EUREC<span class="inline-formula"><sup>4</sup></span>A (Elucidating the role of cloud–circulation coupling in climate) field campaign, the German research aircraft <i>HALO</i> (<i>High Altitude and Long Range Research Aircra...

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Détails bibliographiques
Auteurs principaux:	H. Konow, F. Ewald, G. George, M. Jacob, M. Klingebiel, T. Kölling, A. E. Luebke, T. Mieslinger, V. Pörtge, J. Radtke, M. Schäfer, H. Schulz, R. Vogel, M. Wirth, S. Bony, S. Crewell, A. Ehrlich, L. Forster, A. Giez, F. Gödde, S. Groß, M. Gutleben, M. Hagen, L. Hirsch, F. Jansen, T. Lang, B. Mayer, M. Mech, M. Prange, S. Schnitt, J. Vial, A. Walbröl, M. Wendisch, K. Wolf, T. Zinner, M. Zöger, F. Ament, B. Stevens
Format:	article
Langue:	EN
Publié:	Copernicus Publications 2021
Sujets:	Environmental sciences GE1-350 Geology QE1-996.5
Accès en ligne:	https://doaj.org/article/8f53edb954d54951b50a8617294e17a0
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Résumé:	<p>As part of the EUREC<span class="inline-formula"><sup>4</sup></span>A (Elucidating the role of cloud–circulation coupling in climate) field campaign, the German research aircraft <i>HALO</i> (<i>High Altitude and Long Range Research Aircraft</i>), configured as a cloud observatory, conducted 15 research flights in the trade-wind region east of Barbados in January and February 2020. Narrative text, aircraft state data, and metadata describing <i>HALO</i>'s operation during the campaign are provided. Each <i>HALO</i> research flight is segmented by timestamp intervals into standard elements to aid the consistent analysis of the flight data. Photographs from <i>HALO</i>'s cabin and animated satellite images synchronized with flight tracks are provided to visually document flight conditions. As a comprehensive product from the remote sensing observations, a multi-sensor cloud mask product is derived and quantifies the incidence of clouds observed during the flights. In addition, to lower the threshold for new users of <i>HALO</i>'s data, a collection of use cases is compiled into an online book, <i>How to EUREC4A</i>, included as an asset with this paper. This online book provides easy access to most of EUREC<span class="inline-formula"><sup>4</sup></span>A's <i>HALO</i> data through an intake catalogue. Code and data are freely available at the locations specified in Table <a href="#Ch1.T6">6</a>.</p>