May 16 – 19, 2022
Utrecht
Europe/Amsterdam timezone

In-Situ Perspectives on the Sub-Cloud Layer during EUREC4A/ATOMIC

May 17, 2022, 12:00 PM
15m
Public Library (Utrecht)

Public Library

Utrecht

Neude 11, 3512 AE Utrecht, the Netherlands

Speaker

Gijs de Boer

Description

During the ATOMIC and EUREC4A campaigns, the University of Colorado RAAVEN (CU-RAAVEN) uncrewed aircraft system (UAS) was operated in the near-shore environment from Morgan Lewis Barbados. The aircraft conducted 37 research flights, capturing detailed information on the sub-cloud layer and atmospheric boundary layer between 24 January and 15 February. In this presentation, we will provide perspectives on the connection between sub-cloud layer thermodynamic and kinematic properties and cloud regimes, as observed by the RAAVEN. This includes information on momentum fluxes and turbulence, as well as sub-cloud vertical velocity distributions. We will attempt to map these properties onto different cloud regimes, as determined through a variety of observations collected during these field campaigns.

Primary authors

Gijs de Boer Dr Radiance Calmer (University of Colorado) Dr Brian Butterworth (University of Colorado) Dr Chris Fairall Dr Janet Intrieri

Presentation materials

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