Publications
Toward Linking Indoor Commercial Source Emissions to Outdoor Volatile Organic Compounds Using Mobile Measurements
research
mobile monitoring
VOC
indoor air quality
Influence of Vehicle Design on Near-Road Concentrations of Traffic-Related Air Pollutants
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vehicle emissions
air quality
Mobile Monitoring Reveals the Importance of Non-Vehicular Particulate Matter Sources in London
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air quality
mobile monitoring
An Ambient Measurement Technique for Vehicle Emission Quantification and Concentration Source Apportionment
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vehicle emissions
air quality
Indoor Cooking and Cleaning as a Source of Outdoor Air Pollution in Urban Environments
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air quality
indoor air quality
New NOx and NO2 Vehicle Emission Curves, and Their Implications for Emissions Inventories and Air Quality Modelling
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vehicle emissions
air quality modelling
Mobile Monitoring Reveals Congestion Penalty for Vehicle Emissions in London
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vehicle emissions
mobile monitoring
The Impact on Passenger Car Emissions Associated with the Promotion and Demise of Diesel Fuel
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vehicle emissions
policy
Emission Ratio Determination from Road Vehicles Using a Range of Remote Emission Sensing Techniques
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vehicle emissions
remote sensing
Can Accurate Distance-Specific Emissions of Nitrogen Oxide Emissions from Cars Be Determined Using Remote Sensing Without Measuring Exhaust Flowrate?
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vehicle emissions
remote sensing
Meteorological Normalisation Using Boosted Regression Trees to Estimate the Impact of COVID-19 Restrictions on Air Quality Levels
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air quality
meteorological normalisation
COVID-19
Verification of a National Emission Inventory and Influence of On-Road Vehicle Manufacturer-Level Emissions
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vehicle emissions
emissions inventory
COVID-19 Lockdowns Highlight a Risk of Increasing Ozone Pollution in European Urban Areas
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air quality
meteorological normalisation
COVID-19
Characterisation of Ammonia Emissions from Gasoline and Gasoline Hybrid Passenger Cars
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vehicle emissions
air quality
Underestimated Ammonia Emissions from Road Vehicles
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vehicle emissions
air quality
Calculation of Distance-Based Emission Factors from Vehicle Emission Remote Sensing Measurements.
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vehicle emissions
Post-Dieselgate: Evidence of NOx Emission Reductions Using On-Road Remote Sensing
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vehicle emissions
Dieselgate
An Increasing Role for Solvent Emissions and Implications for Future VOC Measurement Strategies
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air quality
VOC emissions
Strong temperature dependence for light-duty diesel vehicle NO\(_x\) emissions
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vehicle emissions
NOx
A trend analysis approach for air quality network data
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trend analysis
air quality
Using meteorological normalisation to detect interventions in air quality time series
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meteorological normalisation
trend analysis
air quality
The diminishing importance of nitrogen dioxide emissions from road vehicle exhaust
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vehicle emissions
NOx
trend analysis
Lower vehicular primary emissions of NO\(_2\) in Europe than assumed in policy projections
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vehicle emissions
NOx
emissions inventory
policy
Have vehicle emissions of primary NO\(_2\) peaked?
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vehicle emissions
NOx
trend analysis
Source apportionment advances using polar plots of bivariate correlation and regression statistics
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source apportionment
data analysis
Spatially resolved flux measurements of NO\(_x\) from London suggest significantly higher emissions than predicted by inventories
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NOx
emissions inventory
Urban case studies: General discussion
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air quality
Analysis of long-term observations of NO\(_x\) and CO in megacities and application to constraining emissions inventories
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NOx
emissions inventory
trend analysis
Measurement of NO\(_x\) fluxes from a tall tower in central London, UK and comparison with emissions inventories
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NOx
emissions inventory
Performance of optimised SCR retrofit buses under urban driving and controlled conditions
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vehicle emissions
NOx
policy
Vehicle emissions: Diesel pollution long under-reported
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vehicle emissions
NOx
policy
Crucial Role for Outdoor Chemistry in Ultrafine Particle Formation in Modern Office Buildings
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indoor air quality
particulate matter
atmospheric chemistry
Occupant exposure to indoor air pollutants in modern European offices: An integrated modelling approach
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indoor air quality
air quality modelling
Conditional bivariate probability function for source identification
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source apportionment
data analysis
Characterising and understanding emission sources using bivariate polar plots and k-means clustering
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source apportionment
data analysis
openair
Evaluation and Inter-comparison of Acid Deposition Models for the UK
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air quality modelling
New insights from comprehensive on-road measurements of NO\(_x\), NO\(_2\) and NH\(_3\) from vehicle emission remote sensing in London, UK
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vehicle emissions
NOx
remote sensing
The importance of high vehicle power for passenger car emissions
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vehicle emissions
NOx
remote sensing
Air pollution dispersion models for human exposure predictions in London
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dispersion modelling
air quality modelling
air quality
One way coupling of CMAQ and a road source dispersion model for fine scale air pollution predictions
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air quality modelling
dispersion modelling
NOx
Openair - An R package for air quality data analysis
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openair
data analysis
air quality
Openair - data analysis tools for the air quality community
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openair
data analysis
air quality
Trends in NO\(_x\) and NO\(_2\) emissions from road traffic in Great Britain
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vehicle emissions
NOx
trend analysis
A short-term intervention study - Impact of airport closure due to the eruption of Eyjafjallajökull on near-field air quality
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airport emissions
air quality
Recent evidence concerning higher NO\(_x\) emissions from passenger cars and light duty vehicles
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vehicle emissions
NOx
emissions inventory
New Directions: Science and policy - Out of step on NO\(_x\) and NO\(_2\)?
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vehicle emissions
NOx
policy
Comprehensive analysis of the carbon impacts of vehicle intelligent speed control
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vehicle emissions
policy
Modelling trends in OH radical concentrations using generalized additive models
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atmospheric chemistry
trend analysis
data analysis
Analysis of air pollution data at a mixed source location using boosted regression trees
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air quality
source apportionment
meteorological normalisation
data analysis
Detecting and characterising small changes in urban nitrogen dioxide concentrations
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NOx
trend analysis
air quality
Free radical modelling studies during the UK TORCH Campaign in Summer 2003
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atmospheric chemistry
ozone
Managing air quality by ‘Data Mining’: Exploratory statistical analysis to determine causal factors affecting pollutant concentrations close to a motorway
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vehicle emissions
air quality
data analysis
Modelling and assessing trends in traffic-related emissions using a generalised additive modelling approach
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vehicle emissions
trend analysis
data analysis
Motor traffic and the pollution of the air: 100 years on
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vehicle emissions
air quality
policy
Risks of exceeding the hourly EU limit value for nitrogen dioxide resulting from increased road transport emissions of primary nitrogen dioxide
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NOx
vehicle emissions
policy
Analysis of air quality within a street canyon using statistical and dispersion modelling techniques
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air quality
street canyon
dispersion modelling
New Directions: A heavy burden for heavy vehicles: Increasing vehicle weight and air pollution
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vehicle emissions
particulate matter
policy
Change-point detection of gaseous and particulate traffic-related pollutants at a roadside location
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vehicle emissions
air quality
data analysis
Estimations of road vehicle primary NO\(_2\) exhaust emission fractions using monitoring data in London
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vehicle emissions
NOx
Evidence of an increasing NO\(_2\)/NO\(_x\) emissions ratio from road traffic emissions
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vehicle emissions
NOx
On the changing seasonal cycles and trends of ozone at Mace Head, Ireland
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ozone
trend analysis
The impact of congestion charging on vehicle emissions in London
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vehicle emissions
congestion charging
policy
The impact of congestion charging on vehicle speed and its implications for assessing vehicle emissions
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vehicle emissions
congestion charging
policy
Development of an urban inventory for road transport emissions of NO 2 and comparison with estimates derived from ambient measurements
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vehicle emissions
NOx
emissions inventory
New Directions: Should road vehicle emissions legislation consider primary NO\(_2\)?
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vehicle emissions
NOx
policy
Investigating the potential importance of primary NO\(_2\) emissions in a street canyon
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NOx
street canyon
air quality modelling
Dispersion modelling considerations for transient emissions from elevated point sources
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dispersion modelling
air quality modelling
New directions: Use of vehicle position information provides a novel tool for emissions inventory development
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vehicle emissions
emissions inventory
Predictions of annual mean nitrogen dioxide concentrations in London | Prévisions des concentrations annuelles moyennes de dioxyde d’azote dans la ville de Londres
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air quality
NOx
air quality modelling
The efficacy of low emission zones in central London as a means of reducing nitrogen dioxide concentrations
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low emission zones
NOx
policy
An empirical approach for the prediction of daily mean PM10 concentrations
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air quality
particulate matter
air quality modelling
London’s air quality: Nitrogen dioxide and particles (PM10) in London’s air - Present and future
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air quality
NOx
particulate matter
The gas-phase chemistry of urban atmospheres
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atmospheric chemistry
air quality
An empirical approach for the prediction of annual mean nitrogen dioxide concentrations in London
research
air quality
NOx
air quality modelling
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