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| Titel |
Thermodynamic phase retrieval of convective clouds: impact of sensor viewing geometry and vertical distribution of cloud properties |
| VerfasserIn |
E. Jäkel, J. Walter, M. Wendisch |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 6, no. 3 ; Nr. 6, no. 3 (2013-03-01), S.539-547 |
| Datensatznummer |
250017830
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| Publikation (Nr.) |
 copernicus.org/amt-6-539-2013.pdf |
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| Zusammenfassung |
| The sensitivity of passive remote sensing measurements to retrieve
microphysical parameters of convective clouds, in particular their
thermodynamic phase, is investigated by three-dimensional (3-D)
radiative transfer simulations. The effects of different viewing
geometries and vertical distributions of the cloud microphysical
properties are investigated. Measurement examples of spectral solar
radiance reflected by cloud sides (passive) in the near-infrared
(NIR) spectral range are performed together with collocated lidar
observations (active). The retrieval method to distinguish the cloud
thermodynamic phase (liquid water or ice) exploits different slopes
of cloud side reflectivity spectra of water and ice clouds in the
NIR. The concurrent depolarization backscattering lidar provides
geometry information about the cloud distance and height as well as
the depolarization. |
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