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Shallow circulations: relevance and strategies for satellite observation

MPG-Autoren
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Naumann,  Ann Kristin
Hans Ertel Research Group Clouds and Convection, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society, Bundesstraße 53, 20146 Hamburg, DE,;

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Zitation

Bellon, G., Reitebuch, O., & Naumann, A. K. (2017). Shallow circulations: relevance and strategies for satellite observation. Surveys in Geophysics, 38(SI), 1509-1528. doi:10.1007/s10712-017-9442-2.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-002C-8153-F
Zusammenfassung
Shallow circulations are central to many tropical cloud systems. We investigate the potential of existing and upcoming data to document these circulations. Different methods to observe or constrain atmospheric circulations rely on satellite-borne instruments. Direct observations of the wind are currently possible at the ocean surface or using tracer patterns. Satellite-borne wind lidar will soon be available, with a much better coverage and accuracy. Meanwhile, circulations can be constrained using satellite observations of atmospheric diabatic heating. We evaluate the commonalities and discrepancies of these estimates together with reanalysis in systems that include shallow circulations. It appears that existing datasets are in qualitative agreement, but that they still differ too much to provide robust evaluation criteria for general circulation models. This state of affairs highlights the potential of satellite-borne wind lidar and of further work on current satellite retrievals.