Karl Ropkins
Karl Ropkins
Senior Research Fellow, University of Leeds
Verified email at
Cited by
Cited by
Openair—an R package for air quality data analysis
DC Carslaw, K Ropkins
Environmental Modelling & Software 27, 52-61, 2012
Evaluation of worldwide approaches to the use of HACCP to control food safety
K Ropkins, AJ Beck
Trends in Food Science & Technology 11 (1), 10-21, 2000
Detecting and quantifying aircraft and other on-airport contributions to ambient nitrogen oxides in the vicinity of a large international airport
DC Carslaw, SD Beevers, K Ropkins, MC Bell
Atmospheric Environment 40 (28), 5424-5434, 2006
Early observations on the impact of the COVID-19 lockdown on air quality trends across the UK
K Ropkins, JE Tate
Science of the Total Environment 754, 142374, 2021
Open-source tools for analysing air pollution data
DC Carslaw, K Ropkins
Institute for Transport Studies, The University of Leeds, 2009
Real-world vehicle exhaust emissions monitoring: review and critical discussion
K Ropkins, J Beebe, H Li, B Daham, J Tate, M Bell, G Andrews
Critical Reviews in Environmental Science and Technology 39 (2), 79-152, 2009
Openair: Open-source tools for the analysis of air pollution data
DC Carslaw, K Ropkins
R package version 0.8-5, 2013
RgoogleMaps and loa: unleashing R graphics power on map tiles
M Loecher, K Ropkins
Journal of Statistical Software 63 (4), 2015
The Use of a Water/Lube Oil Heat Exchanger and Enhanced Cooling Water Heating to Increase Water and Lube Oil Heating Rates in Passenger Cars for Reduced Fuel Consumption and …
GE Andrews, AM Ounzain, H Li, M Bell, J Tate, K Ropkins
SAE Technical Paper, 2007
Understanding how roadside concentrations of NO x are influenced by the background levels, traffic density, and meteorological conditions using Boosted Regression Trees
A Sayegh, JE Tate, K Ropkins
Atmospheric Environment 127, 163-175, 2016
Change-point detection of gaseous and particulate traffic-related pollutants at a roadside location
DC Carslaw, K Ropkins, MC Bell
Environmental science & technology 40 (22), 6912-6918, 2006
Using HACCP to control organic chemical hazards in food wholesale, distribution, storage and retail
K Ropkins, AJ Beck
Trends in Food Science & Technology 14 (9), 374-389, 2003
Real-world assessment of vehicle air pollutant emissions subset by vehicle type, fuel and EURO class: New findings from the recent UK EDAR field campaigns, and implications for …
O Ghaffarpasand, DCS Beddows, K Ropkins, FD Pope
Science of The Total Environment 734, 139416, 2020
Real-world comparison of probe vehicle emissions and fuel consumption using diesel and 5% biodiesel (B5) blend
K Ropkins, R Quinn, J Beebe, H Li, B Daham, J Tate, M Bell, G Andrews
Science of the total Environment 376 (1), 267-284, 2007
Application of hazard analysis critical control points (HACCP) to organic chemical contaminants in food
K Ropkins, AJ Beck
Critical reviews in food science and nutrition 42 (2), 123-149, 2002
Evaluation of EDAR vehicle emissions remote sensing technology
K Ropkins, TH DeFries, F Pope, DC Green, J Kemper, S Kishan, ...
Science of The Total Environment 609, 1464-1474, 2017
Application of a portable FTIR for measuring on-road emissions
B Daham, GE Andrews, H Li, R Ballesteros, MC Bell, J Tate, K Ropkins
SAE Technical Paper, 2005
High spatial and temporal resolution vehicular emissions in south-east Brazil with traffic data from real-time GPS and travel demand models
S Ibarra-Espinosa, RY Ynoue, K Ropkins, X Zhang, ED de Freitas
Atmospheric Environment 222, 117136, 2020
Quantifying temporal trends in ground level ozone concentration in the UK
S Munir, H Chen, K Ropkins
Science of the total environment 458, 217-227, 2013
Near-field commercial aircraft contribution to nitrogen oxides by engine, aircraft type, and airline by individual plume sampling
DC Carslaw, K Ropkins, D Laxen, S Moorcroft, B Marner, ML Williams
Environmental science & technology 42 (6), 1871-1876, 2008
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