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Radiative transfer in the cloudy atmosphere

Mayer, Bernhard (2009) Radiative transfer in the cloudy atmosphere. European Physical Journal - Special Topics, 1, pp. 75-99. DOI: 10.1140/epjconf/e2009-00912-1. ISSN 1951-6355.

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Official URL: http://www.epj-conferences.org/index.php?option=com_article&access=standard&Itemid=129&url=/articles/epjconf/abs/2009/01/epjconf1008/epjconf1008.html


Radiative transfer in clouds is a challenging task, due to their high spatial and temporal variability which is unrivaled by any other atmospheric species. Clouds are among the main modulators of radiation along its path through the Earth’s atmosphere. The cloud feedback is the largest source of uncertainty in current climate model predictions. Cloud observation from satellites, on a global scale, with appropriate temporal and spatial sampling is therefore one of the top aims of current Earth observation missions. In this chapter three-dimensional methods for radiative transfer in cloudy atmospheres are described, which allow to study cloud-radiation interaction at the level needed to better understand the fundamental details driving climate and to better exploit remote sensing algorithms. The Monte Carlo technique is introduced which allows to handle nearly arbitrarily complex atmospheric conditions. The accuracy of the method is discussed by comparison between different models and with observations. Finally, we show some examples and discuss under which conditions three-dimensional methods are actually needed and when commonly-used one-dimensional approximations are applicable. This chapter builds upon the excellent overview of one-dimensional radiative transfer in ERCA Volume 3.

Document Type:Article
Title:Radiative transfer in the cloudy atmosphere
AuthorsInstitution or Email of Authors
Mayer, BernhardDLR, IPA
Journal or Publication Title:European Physical Journal - Special Topics
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 75-99
Keywords:Radiative transfer, ERCA
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: Jana Freund
Deposited On:05 Aug 2009 11:55
Last Modified:28 Jul 2015 08:18

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