Journal Article

FZJ-2017-03120

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The HD(CP)2 Observational Prototype Experiment (HOPE) – an overview

Macke, A. (Corresponding author) ; Seifert, P. ; Baars, H. ; Barthlott, C. ; Beekmans, C. ; Behrendt, A. ; Bohn, B.FZJ* ; Brueck, M. ; Bühl, J. ; Crewell, S. ; Damian, T. ; Deneke, H. ; Düsing, S. ; Foth, A. ; Di Girolamo, P. ; Hammann, E. ; Heinze, R. ; Hirsikko, A. ; Kalisch, J. ; Kalthoff, N. ; Kinne, S. ; Kohler, M. ; Löhnert, U.FZJ* ; Madhavan, B. L. ; Maurer, V. ; Muppa, S. K. ; Schween, J. ; Serikov, I. ; Siebert, H. ; Simmer, C. ; Späth, F. ; Steinke, S. ; Träumner, K. ; Trömel, S. ; Wehner, B. ; Wieser, A. ; Wulfmeyer, V. ; Xie, X.

2017
EGU Katlenburg-Lindau

This record in other databases:    

Please use a persistent id in citations: http://hdl.handle.net/2128/14206  doi:10.5194/acp-17-4887-2017

Abstract: The HD(CP)2 Observational Prototype Experiment (HOPE) was performed as a major 2-month field experiment in Jülich, Germany, in April and May 2013, followed by a smaller campaign in Melpitz, Germany, in September 2013. HOPE has been designed to provide an observational dataset for a critical evaluation of the new German community atmospheric icosahedral non-hydrostatic (ICON) model at the scale of the model simulations and further to provide information on land-surface–atmospheric boundary layer exchange, cloud and precipitation processes, as well as sub-grid variability and microphysical properties that are subject to parameterizations. HOPE focuses on the onset of clouds and precipitation in the convective atmospheric boundary layer. This paper summarizes the instrument set-ups, the intensive observation periods, and example results from both campaigns.HOPE-Jülich instrumentation included a radio sounding station, 4 Doppler lidars, 4 Raman lidars (3 of them provide temperature, 3 of them water vapour, and all of them particle backscatter data), 1 water vapour differential absorption lidar, 3 cloud radars, 5 microwave radiometers, 3 rain radars, 6 sky imagers, 99 pyranometers, and 5 sun photometers operated at different sites, some of them in synergy. The HOPE-Melpitz campaign combined ground-based remote sensing of aerosols and clouds with helicopter- and balloon-based in situ observations in the atmospheric column and at the surface.HOPE provided an unprecedented collection of atmospheric dynamical, thermodynamical, and micro- and macrophysical properties of aerosols, clouds, and precipitation with high spatial and temporal resolution within a cube of approximately 10  ×  10  ×  10 km3. HOPE data will significantly contribute to our understanding of boundary layer dynamics and the formation of clouds and precipitation. The datasets have been made available through a dedicated data portal.First applications of HOPE data for model evaluation have shown a general agreement between observed and modelled boundary layer height, turbulence characteristics, and cloud coverage, but they also point to significant differences that deserve further investigations from both the observational and the modelling perspective.

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Contributing Institute(s):

1. Troposphäre (IEK-8)

Research Program(s):

1. 243 - Tropospheric trace substances and their transformation processes (POF3-243) (POF3-243)

Appears in the scientific report 2017

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Database coverage:
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