On the remote sensing of Cirrus

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On the remote sensing of Cirrus

Baran, Anthony James; (1997) On the remote sensing of Cirrus. Doctoral thesis (Ph.D), UCL (University College London). Green open access

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Abstract

This thesis is chiefly concerned with the remote sensing of cirrus. There is little quantitative information currently available to climate modellers regarding cirrus bulk and microphysical properties. The properties that need to be quantified are optical depth, ice water path, crystal size and dominating crystal habit. The purpose of this thesis is to demonstrate the potential routine retrieval of these quantities using data from different types of satellite instrumentation covering visible and infrared wavelengths. The thesis is not only concerned with remote sensing but also investigates the dependence of scattering and absorption on ice crystal morphology using exact and approximate treatments. The question of representing ice crystal morphology in climate modelling and remote sensing remains an outstanding issue. It is this issue that is investigated further by using the satellite data to retrieve crystal size and habit, the retrievals being based on the exact and approximate methods of treating absorption and scattering. The retrieved crystal size using the different treatments are compared and contrasted using presently available in-situ data. The information that is gained from this thesis should find wide applicability in the fields of remote sensing and climate modelling.

Type:	Thesis (Doctoral)
Qualification:	Ph.D
Title:	On the remote sensing of Cirrus
Open access status:	An open access version is available from UCL Discovery
Language:	English
Additional information:	Thesis digitised by ProQuest.
URI:	https://discovery.ucl.ac.uk/id/eprint/10108268