|From||"Marenco, Franco" <firstname.lastname@example.org>|
|Date||Thu, 13 Nov 2014 16:39:24 +0000|
Hello, There is a PhD studentship available at the University of Exeter (UK), on ground-based and airborne remote sensing techniques for the estimate of volcanic ash plumes. NERC GW4+ DTP PhD studentship: Developing Resilience to Icelandic Volcanic Eruptions (DRIVE). University of Exeter The Met Office Volcanic Ash Advisory Centre (VAAC) is responsible for providing forecasts of volcanic ash from Icelandic volcanoes and has established a new network of ten ground-based lidar/sunphotometer sites across the UK providing independent estimates of the mass concentration of volcanic ash. This network uses a combination of particle size distribution and aerosol optical depth measurements derived from sun-photometers with lidar retrievals of aerosol vertical distribution and depolarisation to estimate the aerosol concentration. These novel retrievals are associated with considerable uncertainties associated with implicit assumptions. The Met Office is also resourced with the Met Office Civil Contingency Aircraft (MOCCA; http://www.metoffice.gov.uk/publicsector/emergencies/civil_contingency_aircraft) equipped with a lidar and in-situ instrumentation for sampling aerosols. DRIVE will have unique access to data from these facilities and will use in-situ observations to assess the accuracy of the lidar and sun-photometer remote sensing retrievals. It will utilise the relatively frequent occurrence (6-8 events per year) of mineral dust events over the UK, as mineral dust has proved a good proxy for volcanic ash in terms of size distribution, density, non-sphericity and composition. Supervisors: Professor Jim Haywood, Streatham Campus, University of Exeter, EX4 4QJ Dr Franco Marenco, Met Office Prof Peter Cox, University of Exeter Dr Clare Lee, Met Office Further details here: http://www.exeter.ac.uk/studying/funding/award/?id=1538 -- Dr. Franco Marenco, Aerosol Scientist, Observation Based Research Met Office C2, FitzRoy Road, Exeter, EX1 3PB, United Kingdom _____ Phone: +44 (0)1392 885393 Fax: +44 (0)1392 885681 ________|________ E-mail: <email@example.com> O O (_) O O Web: http://www.metoffice.gov.uk ; http://www.faam.ac.uk
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