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Centre for Atmospheric Science

Research Associate


I am an NCAS Research Scientist working with Prof. Alex Archibald in the Centre for Atmospheric Science. I use numerical models of the atmosphere to improve our understanding of atmospheric composition. My research includes developing surface emission scenarios and assessing global budgets for gases with a role in climate forcing and ozone depletion, including methane, molecular hydrogen and biogenic halocarbons.  I have experience using various models, including UM-UKCA and the Met Office NAME particle dispersion model.

My current focus is on understanding atmospheric methane concentrations, and how information on the isotopic composition of methane can help us quantify its source and sink processes. I am also involved in projects investigating methane emissions from gas infrastructure in the North Sea and the chemical and climate impacts of a hydrogen economy.



Atmospheric composition and climate impacts of a future hydrogen economy
NJ Warwick, AT Archibald, PT Griffiths, J Keeble, FM O'Connor, JA Pyle, KP Shine
– Atmospheric Chemistry and Physics
Very Strong Atmospheric Methane Growth in the 4 Years 2014–2017: Implications for the Paris Agreement
EG Nisbet, MR Manning, EJ Dlugokencky, RE Fisher, D Lowry, SE Michel, CL Myhre, SM Platt, G Allen, P Bousquet, R Brownlow, M Cain, JL France, O Hermansen, R Hossaini, AE Jones, I Levin, AC Manning, G Myhre, JA Pyle, BH Vaughn, NJ Warwick, JWC White
– Global Biogeochemical Cycles
A cautionary tale: A study of amethane enhancement over the North Sea
M Cain, NJ Warwick, RE Fisher, D Lowry, M Lanoisellé, EG Nisbet, J France, J Pitt, S O’Shea, KN Bower, G Allen, S Illingworth, AJ Manning, S Bauguitte, I Pisso, JA Pyle
– Journal of Geophysical Research
Using δ13C-CH4 and δD-CH4 to constrain Arctic methane emissions
NJ Warwick, ML Cain, R Fisher, JL France, D Lowry, SE Michel, EG Nisbet, BH Vaughn, JWC White, JA Pyle
– Atmospheric Chemistry and Physics
Rising atmospheric methane: 2007–2014 growth and isotopic shift
EG Nisbet, EJ Dlugokencky, MR Manning, D Lowry, RE Fisher, JL France, SE Michel, JB Miller, JWC White, B Vaughn, P Bousquet, JA Pyle, NJ Warwick, M Cain, R Brownlow, G Zazzeri, M Lanoisellé, AC Manning, E Gloor, DEJ Worthy, EG Brunke, C Labuschagne, EW Wolff, AL Ganesan
– Global Biogeochemical Cycles
Methane and carbon dioxide fluxes and their regional scalability for the European Arctic wetlands during the MAMM project in summer 2012
SJ O'Shea, G Allen, MW Gallagher, K Bower, SM Illingworth, JBA Muller, BT Jones, CJ Percival, SJB Bauguitte, M Cain, N Warwick, A Quiquet, U Skiba, J Drewer, K Dinsmore, EG Nisbet, D Lowry, RE Fisher, JL France, M Aurela, A Lohila, G Hayman, C George, DB Clark, AJ Manning, AD Friend, J Pyle
– Atmospheric Chemistry and Physics
How sensitive is the recovery of stratospheric ozone to changes in concentrations of very short-lived bromocarbons?
X Yang, NL Abraham, AT Archibald, P Braesicke, J Keeble, PJ Telford, NJ Warwick, JA Pyle
– Atmospheric Chemistry and Physics
Long-term halocarbon observations from a coastal and an inland site in Sabah, Malaysian Borneo
AD Robinson, NRP Harris, MJ Ashfold, B Gostlow, NJ Warwick, LM O'Brien, EJ Beardmore, MSM Nadzir, SM Phang, AA Samah, S Ong, HE Ung, LK Peng, SE Yong, M Mohamad, JA Pyle
– Atmospheric Chemistry and Physics
Estimates of tropical bromoform emissions using an inversion method
MJ Ashfold, NRP Harris, AJ Manning, AD Robinson, NJ Warwick, JA Pyle
– Atmospheric Chemistry and Physics
Evaluating global emission inventories of biogenic bromocarbons
R Hossaini, H Mantle, MP Chipperfield, SA Montzka, P Hamer, F Ziska, B Quack, K Krüger, S Tegtmeier, E Atlas, S Sala, A Engel, H Bönisch, T Keber, D Oram, G Mills, C Ordóñez, A Saiz-Lopez, N Warwick, Q Liang, W Feng, F Moore, BR Miller, V Marécal, NAD Richards, M Dorf, K Pfeilsticker
– Atmospheric Chemistry and Physics
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Centre Highlights

• January 2024: The CCPG have successfully submitted a proposal for PACESETTERS!

• September 2nd 2023: Dr Annela Anger-Kraavi has co-authored a paper analysing just transition narratives in European coal regions. Read the paper here

• December 13th 2022: The CCPG have co-authored a paper on game-changing innovations towards net-zero, published in Energy Strategy Reviews. Read the open access paper here.

• November 15th 2022: The final conference of PARIS REINFORCE is taking place today in Sorbonne. Read more about the event here

• October 24th 2022: The CCPG have successfully submitted a proposal for the Cambridge-Tsinghua joint research initiative! 

• May 5th 2022: We've submitted to the UNFCCC's Global Stocktake (GST). More information is available on our news page. 

• March 23rd 2022: Multiple CAS academics have published a paper investigating the future role of anthropogenic methane emissions. Read the open access paper here.

• Feb 18th 2022: Dr Parris and Dr Anger-Kraavi have co-authored a paper that develops a tool to support co-designed transformative change. Read the open access paper here.

• Dec 16th 2021: Dr Parris has co-authored a paper that introduces a tool to support plastic pollution policy. Read the open access paper here.

• Nov 22nd 2021: Dr Anger-Kraavi has co-authored a paper with Paris Reinforce. Read the open access version here

Want to know more about our high-profile publications? Check out our Publication Highlights!


NCAS Research Scientist

Telephone number

01223 763827

Email address