Search Results - "Timmis, Roger"

Conditional extraction of air-pollutant source signals from air-quality monitoring by Malby, Andrew R., Whyatt, J. Duncan, Timmis, Roger J.

“…Ambient air-quality data contain information about air-pollution sources that is currently under-exploited. This information could be used to assess trends in…”
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Satellite Data Applications for Site-Specific Air Quality Regulation in the UK: Pilot Study and Prospects by Potts, Daniel A., Ferranti, Emma J. S., Timmis, Roger, Brown, Andrew S., Vande Hey, Joshua D.

“…Atmospheric composition data from satellite platforms offers great potential for improving current understanding of anthropogenic emissions. Whilst this data…”
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Advances in sensing ammonia from agricultural sources by Insausti, Matías, Timmis, Roger, Kinnersley, Rob, Rufino, Mariana C.

“…[Display omitted] •New sensors have to be more sensitive, selective, low-cost and user-friendly.•Agricultural environments are high interference environments…”
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Using GIS to Investigate Spatial and Temporal Variations in Upland Rainfall by Ferranti, Emma JS, Whyatt, J Duncan, Timmis, Roger J, Davies, Gemma

“…A method is presented for conditional analysis of spatial and temporal (1961–2007) variations in rainfall under different synoptic situations and different…”
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Identifying and accounting for the Coriolis effect in satellite NO 2 observations and emission estimates by Potts, Daniel A., Timmis, Roger, Ferranti, Emma J. S., Vande Hey, Joshua D.

“…Recent developments in atmospheric remote sensing from satellites have made it possible to resolve daily emission plumes from industrial point sources around…”
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Identifying and accounting for the Coriolis effect in satellite NO.sub.2 observations and emission estimates by Potts, Daniel A, Timmis, Roger, Ferranti, Emma J. S, Vande Hey, Joshua D

“…Recent developments in atmospheric remote sensing from satellites have made it possible to resolve daily emission plumes from industrial point sources around…”
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Constraining well integrity and propensity for fugitive gas migration in surficial soils at onshore decommissioned oil and gas well sites in England by Samano, Paula Sofia Gonzalez, Cahill, Aaron Graham, Timmis, Roger, Busch, Andreas

“…•Integrity of 6 onshore English decommissioned wells rigorously assessed in the field and embedded surficial soil properties characterized.•All wellsite's,…”
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Identifying and accounting for the Coriolis effect in satellite NO2 observations and emission estimates by Potts, Daniel A, Timmis, Roger, Ferranti, Emma J S, Vande Hey, Joshua D

“…Recent developments in atmospheric remote sensing from satellites have made it possible to resolve daily emission plumes from industrial point sources around…”
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Similarities of boundary layer ventilation and particulate matter roses by Rigby, Matthew, Timmis, Roger, Toumi, Ralf

“…Pollution wind sector or rose analyses show that under South-Easterly winds, many areas of the UK experience an increase in mean airborne particulate matter…”
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A risk based application of the regional model CMAQ to policy decisions by Fisher, Bernard, Chemel, Charles, Sokhi, Ranjeet, Timmis, Roger

“…A risk based approach to assessing compliance with EU limit values is described, using the advanced chemical transport model CMAQ to determine the regional…”
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Using bright sunshine at low-elevation angles to compile an historical record of the effect of aerosol on incoming solar radiation by Horseman, Andrew, MacKenzie, A. Robert, Timmis, Roger

“…In seeking an indicator of multi-decadal aerosol effects on incoming solar radiation, the records of bright sunshine from a standard meteorological instrument,…”
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Design and laboratory testing of a new flow-through directional passive air sampler for ambient particulate matter by Lin, Chun, Solera Garcia, Maria Angeles, Timmis, Roger, Jones, Kevin C

“…A new type of directional passive air sampler (DPAS) is described for collecting particulate matter (PM) in ambient air. The prototype sampler has a…”
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A new flow–through directional passive air sampler: design, performance and laboratory testing for monitoring ambient nitrogen dioxide by Lin, Chun, Becker, Sara, Timmis, Roger, Jones, Kevin C.

“…A new type of passive air sampler for monitoring trace air pollutants in ambient air is introduced. It has a rotatable upper part that can turn into the…”
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Mass propagation of conifer trees in liquid cultures-progress towards commercialization by Gupta, P.K, Timmis, R

“…At Weyerhaeuser Company, somatic embryo production in liquid medium and manufactured seed delivery has been developed to reduce labor costs and increase…”
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Mass propagation of conifer trees in liquid cultures-progress towards commercialization: Liquid culture systems for in vitro plant propagation by GUPTA, Pramod K, TIMMIS, Roger

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Bioprocessing for tree production in the forest industry: conifer somatic embryogenesis by Timmis, R

“…Cloning trees through somatic embryogenesis (SE) is considered by the industry to be an important new technology. When integrated with conventional breeding,…”
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A neural network based pattern recognition system for somatic embryos of Douglas fir by CHUN ZHANG, TIMMIS, R, HU, W.-S

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Forestry in the 21st Century by Gupta, Pramod K, Pullman, Gerald, Timmis, Roger, Kreitinger, Mary, Carlson, William C, Grob, Jim, Welty, Elaine

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Frost injury prediction model for Douglas-fir seedlings in the Pacific Northwest by Timmis, R. (Weyerhaeuser Company Technology Center, Tacoma, WA.), Flewelling, J, Talbert, C

“…Because simple seed- or breeding-zone guidelines are inadequate for controlling the risk of maladaptation to environmental stresses, we are developing…”
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Further development of a new flow-through directional passive air sampler for monitoring ambient nitrogen dioxide by Lin, Chun, Timmis, Roger, Jones, Kevin C

“…We have previously introduced a new type of rotatable flow-through directional passive air sampler (DPAS) for monitoring trace air pollutants in ambient air…”
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