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Retrieving dust properties by radiative transfer modelling of dust devils on Earth and Mars

Mason, J. P.; Patel, M. R. and Lewis, S. R. (2012). Retrieving dust properties by radiative transfer modelling of dust devils on Earth and Mars. In: European Planetary Science Congress 2012, 23-28 September 2012, Madrid.

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Abstract

To date, characterisation of dust devils by interpreting spectral measurements taken during a transit over a spectroscopic instrument has yet to be done and would provide valuable information of the physical size, dust load and internal structure of transiting dust devils. A Monte Carlo Radiative Transfer model (MCRT) was developed to investigate the spectral variations during a dust devil transit. Our results show that amount of scattered and the total flux are dependent on different components of the dust devil. The scattered component is highly dependent on the optical depth per unit length (τL) making it sensitive to the internal dust distribution and physical structure. This dependence is not observed for total flux which is strongly dependent on the total amount of dust present along the path joining the light source to the detector.

Item Type: Conference Item
Copyright Holders: 2012 The Author(s)
Extra Information: EPSC Abstracts
Vol. 7 EPSC2012-891 2012
European Planetary Science Congress 2012
Academic Unit/Department: Science > Physical Sciences
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 35428
Depositing User: Stephen Lewis
Date Deposited: 16 Nov 2012 10:41
Last Modified: 15 Feb 2013 18:13
URI: http://oro.open.ac.uk/id/eprint/35428
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