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|Title: ||New laser technology to determine present weather parameters|
|Authors: ||Ellis, R.A.|
Sandford, Andrew P.
Petzing, Jon N.
Coupland, Jeremy M.
|Keywords: ||Phase Doppler anemometry|
Present weather sensor
|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|
|Appears in Collections:||Published Articles (Mechanical and Manufacturing Engineering)|
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