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CLABAUTAIR: A New Algorithm for Retrieving Three-Dimensional Cloud Structure From Airborne Microphysical Measurements

Scheirer, R. and Schmidt, S. (2005) CLABAUTAIR: A New Algorithm for Retrieving Three-Dimensional Cloud Structure From Airborne Microphysical Measurements. Atmospheric Chemistry and Physics, 5, pp. 2333-2340.

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Official URL: http://www.atmos-chem-phys.org/acp/5/2333

Abstract

A new algorithm is presented to reproduce the three-dimensional structure of clouds from airborne measurements of microphysical parameters. Data from individual flight legs are scanned for characteristic patterns, and the autocorrelation functions for several directions are used to extrapolate the observations along the flight path to a full three-dimensional distribution of the cloud field. Thereby, the mean measured profiles of microphysical parameters are imposed to the cloud field by mapping the measured probability density functions onto the model layers. The algorithm was tested by simulating flight legs through synthetic clouds (by means of Large Eddy Simulations (LES)) and applied to a stratocumulus cloud case measured during the first field experiment of the EC project INSPECTRO (INfluence of clouds on the SPECtral actinic flux in the lower TROposphere) in East Anglia, UK. The number and position of the flight tracks determine the quality of the retrieved cloud field. If they provide a representative sample of the entire field, the derived pattern closely resembles the statistical properties of the real cloud field

Document Type:Article
Additional Information:LIDO-Berichtsjahr=2005,
Title:CLABAUTAIR: A New Algorithm for Retrieving Three-Dimensional Cloud Structure From Airborne Microphysical Measurements
Authors:
AuthorsInstitution or Email of Authors
Scheirer, R.UNSPECIFIED
Schmidt, S.Leibniz-Inst. f. Troposphärenforschung, Leipzig
Date:2005
Journal or Publication Title:Atmospheric Chemistry and Physics
Volume:5
Page Range:pp. 2333-2340
Status:Published
Keywords:radiative transfer, aircraft observations, inhomogeneous clouds
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Atmosphären- und Klimaforschung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Remote Sensing
Deposited By: Ute Löb
Deposited On:11 Dec 2006
Last Modified:12 Dec 2013 20:07

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