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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/3636

Title: New laser technology to determine present weather parameters
Authors: Ellis, R.A.
Sandford, Andrew P.
Jones, G.E.
Richards, James
Petzing, Jon N.
Coupland, Jeremy M.
Keywords: Phase Doppler anemometry
Present weather sensor
Hydrometeor classification
Precipitation measurement
Issue Date: 2006
Publisher: © IOP Publishing
Citation: ELLIS, R.A.... et al, 2006. New laser technology to determine present weather parameters. Measurement science and technology, 17, pp. 1715–1722 [doi:10.1088/0957-0233/17/7/009]
Abstract: Present weather sensors are becoming increasingly important as a means to augment networks of automated weather stations and extend the capability of manned observations. The classification of hydrometeors is one of the principal tasks that is addressed by present weather sensors. In this paper, we discuss a new laser-based technology for this purpose. The system improves upon current precipitation monitors by using a derivative of phase Doppler anemometry techniques to accurately determine particle speed and size. The instrument is also capable of distinguishing between liquid droplets and solid polycrystalline hydrometeors and can be used to estimate visibility. The incorporation of this technology into a meteorological station with other sensors, such as temperature and relative humidity probes, leads to the accurate classification of particle type. The example data shown are taken from tests in Leicestershire, England and Utah, USA and show the differences between solid and liquid precipitation events.
Description: This journal article was published in the journal, Measurement Science and Technology [© IOP Publishing]. The definitive version is available at: http://www.iop.org/EJ/journal/0957-0233
URI: https://dspace.lboro.ac.uk/2134/3636
ISSN: 0957-0233
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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