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Browsing by Author "Kaye, Paul H."
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Continuous bio-aerosol monitoring in a tropical environment using a UV fluorescence and light scattering instrument
Stanley, W.; Kaye, Paul H.; Foot, V.E.; Barrington, S.J.; Gallagher, M.; Gabey, A. (University of Hertfordshire, 2008)This paper describes an instrument designed to achieve the continuous monitoring of ambient bio-aerosol concentrations. The instrument is a compact, relatively low-cost, UV aerosol spectrometer that monitors and classifies ... -
Continuous bioaerosol monitoring in a tropical environment using a UV fluorescence particle spectrometer
Stanley, W.; Kaye, Paul H.; Foot, V.E.; Barrington, S.J.; Gallagher, M.; Gabey, A. (2011)An instrument designed to continuously monitor ambient bioaerosol concentrations is presented. The instrument is a compact, relatively low-cost, UV aerosol spectrometer that monitors and classifies individual airborne ... -
Design of spatially extended neural networks for specific applications
Adams, Roderick; te Boekhorst, Rene; Rust, A.G.; Kaye, Paul H.; Schilstra, M. (Institute of Electrical and Electronics Engineers (IEEE), 2004)The processes and mechanisms of biological neural development provide many powerful insights for the creation of artificial neural systems. Biological neural systems are, in general, much more effective in carrying out ... -
Detection of Airborne Biological Particles in Indoor Air Using a Real-Time Advanced Morphological Parameter UV-LIF Spectrometer and Gradient Boosting Ensemble Decision Tree Classifiers
Crawford, Ian; Topping, David; Gallagher, M.W.; Forde, Elizabeth; Lloyd , J R; Foot, Virginia; Stopford, Chris; Kaye, Paul H. (2020-09-29)We present results from a study evaluating the utility of supervised machine learning to classify single particle ultraviolet laser-induced fluorescence (UV-LIF) signatures to investigate airborne primary biological aerosol ... -
Detection of Hazardous Airborne Fibres
Particle Instruments and diagnostics; Kaye, Paul H.; Hirst, Edwin (2003-08-12) -
Detection of Hazardous Airborne Fibres
Particle Instruments and diagnostics; Kaye, Paul H.; Hirst, Edwin (2003-06-18) -
Discrimination of micrometre-sized ice and super-cooled droplets in mixed-phase cloud
Hirst, E.; Kaye, Paul H.; Greenaway, R.; Field, P.R.; Johnson, D.W. (2001)Preliminary experimental results are presented from an aircraft-mounted probe designed to provide in situ data on cloud particle shape, size, and number concentration. In particular, the probe has been designed to facilitate ... -
A dual-wavelength single particle aerosol fluorescence monitor
Kaye, Paul H.; Stanley, W.; Foot, V.E.; Baxter, K.; Barrington, S.J. (2005)Laser diodes and light-emitting diodes capable of continuous sub-300 nm radiation emission will ultimately represent optimal excitation sources for compact and fieldable bio-aerosol monitors. However, until such devices ... -
A dual-wavelength single particle aerosol fluorescence monitor.
Kaye, Paul H.; Stanley, W.; Foot, V.E.; Baxter, K.; Barrington, S.J. (2005)Laser diodes and light-emitting diodes capable of continuous sub-300 nm radiation emission will ultimately represent optimal excitation sources for compact and fieldable bio-aerosol monitors. However, until such devices ... -
Dust layer profiling using an aerosol dropsonde
Ulanowski, Z.; Kaye, Paul H.; Hirst, Edwin; Wieser, Andreas; Stanley, Warren (2015-04-12)Routine meteorological data is obtained in the atmosphere using disposable radiosondes, giving temperature, pressure, humidity and wind speed. Additional measurements are obtained from dropsondes, released from research ... -
The effective density of small ice particles obtained from in situ aircraft observations of mid-latitude cirrus
Cotton, Richard; Field, P.R.; Ulanowski, Joseph; Kaye, Paul H.; Hirst, Edwin; Greenaway, Richard; Crawford, I.A.; Crosier, J.; Dorsey, James (2013-10)The effective ice-particle density, parametrized through a mass–dimension relation, is widely used in ice microphysical schemes for weather and climate models. In this study, we use aircraft-based observations in mid-latitude ... -
Experimental and theoretical light scattering profiles from spherical and non-spherical particles
Hirst, E.; Kaye, Paul H. (1996)A laser light scattering instrument has been designed to allow an investigation of the wide angle spatial intensity distribution, or scattering profile, of light scattered by individual airborne particles constrained within ... -
Exploring the surface roughness of small ice crystals by measuring high resolution angular scattering patterns.
Schnaiter, M.; Kaye, Paul H.; Hirst, Edwin; Ulanowski, Zbigniew; Wagner, Robert (2011)Surface roughness of atmospheric ice particles is an important yet poorly investigated microphysical property in the context of the climate impact of cirrus and mixed-phase clouds. Measurements of single particle two-dimensional ... -
Fluid-borne Particle Analysers
Centre for Atmospheric and Climate Physics Research; Particle Instruments and diagnostics; Kaye, Paul H.; Hirst, Edwin (2008-10-14)This invention describes an improved method and apparatus for the analysis of fluid borne particles and which is especially suitable for the detection of airborne biological particles. In one aspect of the invention provides ... -
Fluid-borne Particle Detector
Centre for Atmospheric and Climate Physics Research; Particle Instruments and diagnostics; Kaye, Paul H.; Stanley, Warren (2010-12) -
The fluorescence properties of aerosol larger than 0.8 mu m in urban and tropical rainforest locations
Gabey, A.; Stanley, Warren; Gallagher, M.W.; Kaye, Paul H. (2011)UV-LIF measurements were performed on ambient aerosol in Manchester, UK (urban city centre, winter) and Borneo, Malaysia (remote, tropical) using a Wide Issue Bioaerosol Spectrometer, version 3 (WIBS3). These sites are ... -
The fluorescence properties of aerosol larger than 0.8 μm in an urban and a PBA-dominated location
Gabey, A.; Stanley, W.; Gallagher, M.; Kaye, Paul H. (2011)Dual-wavelength Ultraviolet light-induced fluorescence (UV-LIF) measurements were performed on ambient environmental aerosol in Manchester, UK (urban city centre, winter) and Borneo, Malaysia (remote, tropical), which are ... -
Hierarchical Agglomerative Cluster Analysis Applied to WIBS 5-Dimensional Bioaerosol Data Sets
Gallagher, M.W.; Robinson, Niall; Kaye, Paul H.; Foot, V.E. (2012-09-15) -
High-Density, High-Resolution, Low-Cost Air Quality Sensor Networks for Urban Air Monitoring. The SNAQ Heathrow Project
Kaye, Paul H. (2012-12-07)Monitoring air quality in highly granular environments such as urban areas which are spatially heterogeneous with variable emission sources, measurements need to be made at appropriate spatial and temporal scales. Current ... -
High-speed scanning laser diffractometer
Kaye, Paul H.; Ludlow, I.K. (1979)A high-speed laser diffractometer is described which employs a novel scanned array or optical light guides to record the angular intensity variation of light scattered radially by a particle throughout an arc of 180 degrees ...