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Details of Award

NERC Reference : NER/T/S/2001/00203

Measurement of scattering and absorption properties of ice crystals appropriate to tropical cirrus cloud.

Grant Award

Principal Investigator:
Professor PH Kaye, University of Hertfordshire, Science and Technology RI
Co-Investigator:
Professor ZJ Ulanowski, University of Hertfordshire, School of Physics, Astronomy and Maths
Science Area:
Atmospheric
Overall Classification:
Atmospheric
ENRIs:
Global Change
Science Topics:
Upper Atmos Process & Geospace
Tropospheric Processes
Climate & Climate Change
Abstract:
The proposed project aims to enhance recently developed methods of measuring the scattering properties of ice crystals, with particular application to clouds associated with deep convection, such as tropical cirrus anvils or detached anvils. Non-contact manipulation and trapping methods will be used in conjunction with ice analogue materials to measure selected scattering matrix elements and related properties of crystals, such as the asymmetry parameter and depolarisation coefficient, with particular emphasis on aggregates. The project will help to answer a fundamental question of what is a representative asymmetry parameter for the tropics, contribute to increasing the accuracy of cloud retrievals in terms of cloud optical thickness and crystal effective size and allow a more representative parameterisation of the phase function/asymmetry parameter for application to radiative transfer studies using Cloud Resolving Models.
Period of Award:
2 Jan 2002 - 1 Feb 2005
Value:
£151,467
Authorised funds only
NERC Reference:
NER/T/S/2001/00203
Grant Stage:
Completed
Scheme:
Directed Pre FEC
Grant Status:
Closed

This grant award has a total value of £151,467  

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FDAB - Financial Details (Award breakdown by headings)

Total - StaffTotal - T&STotal - Other CostsTotal - Indirect Costs
£94,473£1,518£12,019£43,458

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