Publications

(2019). Strong temperature dependence for light-duty diesel vehicle NO$_x$ emissions. Environmental Science & Technology.

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(2019). A trend analysis approach for air quality network data. Atmospheric Environment: X.

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(2019). Using meteorological normalisation to detect interventions in air quality time series. Science of The Total Environment.

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(2019). The diminishing importance of nitrogen dioxide emissions from road vehicle exhaust. Atmospheric Environment: X.

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(2019). Introduction to the special issue "In-depth study of air pollution sources and processes within Beijing and its surrounding region (APHH-Beijing)". Atmospheric Chemistry and Physics.

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(2017). Lower vehicular primary emissions of NO$_2$ in Europe than assumed in policy projections. Nature Geoscience.

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(2016). Urban case studies: General discussion. Faraday Discussions.

(2016). Spatially resolved flux measurements of NO$_x$ from London suggest significantly higher emissions than predicted by inventories. Faraday Discussions.

(2016). Source apportionment advances using polar plots of bivariate correlation and regression statistics. Atmospheric Environment.

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(2016). Have vehicle emissions of primary NO$_2$ peaked?. Faraday Discussions.

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(2016). Analysis of long-term observations of NO$_x$ and CO in megacities and application to constraining emissions inventories. Geophysical Research Letters.

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(2015). Vehicle emissions: Diesel pollution long under-reported. Nature.

(2015). Performance of optimised SCR retrofit buses under urban driving and controlled conditions. Atmospheric Environment.

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(2015). Measurement of NO$_x$ fluxes from a tall tower in central London, UK and comparison with emissions inventories. Environmental Science and Technology.

(2015). Evaluation of the performance of different atmospheric chemical transport models and inter-comparison of nitrogen and sulphur deposition estimates for the UK. Atmospheric Environment.

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(2015). Crucial Role for Outdoor Chemistry in Ultrafine Particle Formation in Modern Office Buildings. Environmental Science and Technology.

(2014). Occupant exposure to indoor air pollutants in modern European offices: An integrated modelling approach. Atmospheric Environment.

(2014). Corrigendum to "Occupant exposure to indoor air pollutants in modern European offices: An integrated modelling approach [Atmos. Environ. 82 (2014) 9-16]". Atmospheric Environment.

(2014). Conditional bivariate probability function for source identification. Environmental Modelling and Software.

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(2013). The importance of high vehicle power for passenger car emissions. Atmospheric Environment.

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(2013). New insights from comprehensive on-road measurements of NO$_x$, NO$_2$ and NH$_3$ from vehicle emission remote sensing in London, UK. Atmospheric Environment.

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(2013). Evaluation and Inter-comparison of Acid Deposition Models for the UK. NATO Science for Peace and Security Series C: Environmental Security.

(2013). Characterising and understanding emission sources using bivariate polar plots and k-means clustering. Environmental Modelling and Software.

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(2013). Air pollution dispersion models for human exposure predictions in London. Journal of Exposure Science and Environmental Epidemiology.

(2012). Trends in NO$_x$ and NO$_2$ emissions from road traffic in Great Britain. Atmospheric Environment.

(2012). Openair - data analysis tools for the air quality community. R Journal.

(2012). Openair - An R package for air quality data analysis. Environmental Modelling and Software.

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(2012). One way coupling of CMAQ and a road source dispersion model for fine scale air pollution predictions. Atmospheric Environment.

(2012). A short-term intervention study - Impact of airport closure due to the eruption of Eyjafjallajökull on near-field air quality. Atmospheric Environment.

(2011). Recent evidence concerning higher NO$_x$ emissions from passenger cars and light duty vehicles. Atmospheric Environment.

(2011). New Directions: Science and policy - Out of step on NO$_x$ and NO$_2$?. Atmospheric Environment.

(2010). Comprehensive analysis of the carbon impacts of vehicle intelligent speed control. Atmospheric Environment.

(2009). Modelling trends in OH radical concentrations using generalized additive models. Atmospheric Chemistry and Physics.

(2009). Erratum to "Application of non-linear time-alignment and integration methods to environmental time series" [Trends Anal. Chem. 28 (2009) 373-391] (DOI:10.1016/j.trac.2008.11.013). TrAC - Trends in Analytical Chemistry.

(2009). Analysis of air pollution data at a mixed source location using boosted regression trees. Atmospheric Environment.

(2008). Near-field commercial aircraft contribution to nitrogen oxides by engine, aircraft type, and airline by individual plume sampling. Environmental Science and Technology.

(2007). Risks of exceeding the hourly EU limit value for nitrogen dioxide resulting from increased road transport emissions of primary nitrogen dioxide. Atmospheric Environment.

(2007). Motor traffic and the pollution of the air: 100 years on. Lancet.

(2007). Modelling and assessing trends in traffic-related emissions using a generalised additive modelling approach. Atmospheric Environment.

(2007). Managing air quality by 'Data Mining': Exploratory statistical analysis to determine causal factors affecting pollutant concentrations close to a motorway. 14th World Congress on Intelligent Transport Systems, ITS 2007.

(2007). Free radical modelling studies during the UK TORCH Campaign in Summer 2003. Atmospheric Chemistry and Physics.

(2007). Detecting and characterising small changes in urban nitrogen dioxide concentrations. Atmospheric Environment.

(2007). Analysis of air quality within a street canyon using statistical and dispersion modelling techniques. Atmospheric Environment.

(2006). New Directions: A heavy burden for heavy vehicles: Increasing vehicle weight and air pollution. Atmospheric Environment.

(2006). Detecting and quantifying aircraft and other on-airport contributions to ambient nitrogen oxides in the vicinity of a large international airport. Atmospheric Environment.

(2006). Change-point detection of gaseous and particulate traffic-related pollutants at a roadside location. Environmental Science and Technology.

(2005). The impact of congestion charging on vehicle speed and its implications for assessing vehicle emissions. Atmospheric Environment.

(2005). The impact of congestion charging on vehicle emissions in London. Atmospheric Environment.

(2005). On the changing seasonal cycles and trends of ozone at Mace Head, Ireland. Atmospheric Chemistry and Physics.

(2005). Evidence of an increasing NO$_2$/NO$_x$ emissions ratio from road traffic emissions. Atmospheric Environment.

(2005). Estimations of road vehicle primary NO$_2$ exhaust emission fractions using monitoring data in London. Atmospheric Environment.

(2005). Development of an urban inventory for road transport emissions of NO 2 and comparison with estimates derived from ambient measurements. Atmospheric Environment.

(2004). New Directions: Should road vehicle emissions legislation consider primary NO$_2$?. Atmospheric Environment.

(2004). Investigating the potential importance of primary NO$_2$ emissions in a street canyon. Atmospheric Environment.

(2002). The efficacy of low emission zones in central London as a means of reducing nitrogen dioxide concentrations. Transportation Research Part D: Transport and Environment.

(2002). Predictions of annual mean nitrogen dioxide concentrations in London | Prévisions des concentrations annuelles moyennes de dioxyde d'azote dans la ville de Londres. Techniques - Sciences - Methodes.

(2002). New directions: Use of vehicle position information provides a novel tool for emissions inventory development. Atmospheric Environment.

(2002). Dispersion modelling considerations for transient emissions from elevated point sources. Atmospheric Environment.

(2002). An empirical approach for the prediction of daily mean PM10 concentrations. Atmospheric Environment.

(2001). The gas-phase chemistry of urban atmospheres. Surveys in Geophysics.

(2001). London's air quality: Nitrogen dioxide and particles (PM10) in London's air - Present and future. Area.

(2001). An empirical approach for the prediction of annual mean nitrogen dioxide concentrations in London. Atmospheric Environment.