Research
Active Reseach - Publications - (Google Scholar Profile)
Active Research
- High resolution atmospheric chemistry modelling - see a recent post
- Impact of the COP26 Global Methane Pledge - with colleagues at Met Office Hadley Centre
- TerraFIRMA: Future Impacts, Risks and Mitigation Actions in a changing Earth system - WP2 co-lead
- RAMIP (starting 2024)
Working Papers
AerChemMIP retrospective Effect of Montreal Protocol on tropospheric oxidising capacity
Selected Works in Progress
Published papers
2022
The role of future anthropogenic methane emissions in air quality and climate. DOI:10.1038/s41612-022-00247-5
Description and Evaluation of an Emission-Driven and Fully Coupled Methane Cycle in UKESM1. DOI:10.1029/2021MS002982 (evaluation of OH, CH4 and CO model performance)
Attribution of stratospheric and tropospheric ozone changes between 1850 and 2014 in CMIP6 models. 10.1029/2022JD036452 (histSST-piCH4 and -piO3 experiments)
2021
The role of natural halogens in global tropospheric ozone chemistry and budget under different 21st century climate scenarios (comparison with tropospheric ozone burdens in CMIP6 models) DOI:10.1029/2021JD034859
Tropospheric ozone in CMIP6 models (co-lead) DOI:10.5194/acp-21-4187-2021 - final version featured an extended look at STE (https://github.com/paultgriffiths/Tropospheric-ozone-in-CMIP6-simulations_data_analysis/tree/main/STE)
Ascorbate oxidation by iron, copper and reactive oxygen species: review, model development, and derivation of key rate constants (early-stages development of box model). DOI:10.1038/s41598-021-86477-8
Opinion: The Germicidal Effect of Ambient Air (Open Air Factor) Revisited (early data analysis). DOI:10.5194/acp-2021-375
Climate Change 2021. The Physical Science Basis. Chapter 6 “Short-lived climate forcers” Contributing Author
The Impacts of Aerosol Emissions on Historical Climate in UKESM1. DOI: 10.3390/atmos11101095 (histSST-piCH4 and -piO3 experiments)
2020
Methane mitigation: methods to reduce emissions, on the path to the Paris Agreement (box modelling of future methane pathways). DOI:10.1029/2019RG000675
Trends in global tropospheric hydroxyl radical and methane lifetime since 1850 from AerChemMIP (I led the UKESM-1 histSST-piCH4 and histSST-piO3 AerChemMIP integrations for the UKESM-1 team, and these were used in this paper) DOI:10.5194/acp-2019-1219
Assessment of pre-industrial to present-day anthropogenic climate forcing in UKESM1 (Together with James Keeble, contributed to the analysis for the ozone/OH/aerosol coupling in parts of section 4.4) DOI:10.5194/acp-2019-1152
2019
Modelling the potential impacts of the recent, unexpected increase in CFC-11 emissions on total column ozone recovery (box modelling). DOI:10.5194/acp-2019-747
Description and evaluation of the UKCA stratosphere-troposphere chemistry scheme (StratTrop vn 1.0) implemented in UKESM1 (some analysis e.g. Lawrence plots). DOI:10.5194/gmd-2019-246
Influence of Sea Ice-Derived Halogens on Atmospheric HOx as Observed in Springtime Coastal Antarctica -(box modelling of BrO levels using BOXMOX). DOI:10.1029/2019GL083825
UKESM1: Description and Evaluation of the U.K. Earth System Model (some analysis, e.g. ozone analysis). DOI:/10.1029/2019MS001739
Measuring Aerosol Phase Changes and Hygroscopicity with a Microresonator Mass Sensor. DOI:10.1021/acs.analchem.8b00114
2018
- Comprehensive modeling study of ozonolysis of oleic acid aerosol based on real‐time, online measurements of aerosol composition (contributed the aerosol box modelling). DOI:10.1002/2016JD026221