Assistant Research Professor

 

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.

 

Publications

A global model study of the impact of land-use change in Borneo on atmospheric composition
NJ Warwick, AT Archibald, K Ashworth, J Dorsey, PM Edwards, DE Heard, B Langford, J Lee, PK Misztal, LK Whalley, JA Pyle
Atmospheric Chemistry and Physics
(2013)
13
Modelling future changes to the stratospheric source gas injection of biogenic bromocarbons
R Hossaini, MP Chipperfield, S Dhomse, C Ordóñez, A Saiz‐Lopez, NL Abraham, A Archibald, P Braesicke, P Telford, N Warwick, X Yang, J Pyle
Geophysical Research Letters
(2012)
39
Reconciling the changes in atmospheric methane sources and sinks between the Last Glacial Maximum and the pre-industrial era
JG Levine, EW Wolff, AE Jones, LC Sime, PJ Valdes, AT Archibald, GD Carver, NJ Warwick, JA Pyle
Geophysical Research Letters
(2011)
38
The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: coastal processes, land-use change and air quality.
JA Pyle, NJ Warwick, NRP Harris, MR Abas, AT Archibald, MJ Ashfold, K Ashworth, MP Barkley, GD Carver, K Chance, JR Dorsey, D Fowler, S Gonzi, B Gostlow, CN Hewitt, TP Kurosu, JD Lee, SB Langford, G Mills, S Moller, AR MacKenzie, AJ Manning, P Misztal, MSM Nadzir, E Nemitz, HM Newton, LM O'Brien, S Ong, D Oram, PI Palmer, LK Peng, SM Phang, R Pike, TAM Pugh, NA Rahman, AD Robinson, J Sentian, AA Samah, U Skiba, HE Ung, SE Yong, PJ Young
Philosophical Transactions of the Royal Society B: Biological Sciences
(2011)
366
Bromoform in the tropical boundary layer of the Maritime Continent during OP3
JA Pyle, MJ Ashfold, NRP Harris, AD Robinson, NJ Warwick, GD Carver, B Gostlow, LM O'Brien, AJ Manning, SM Phang, SE Yong, KP Leong, EH Ung, S Ong
Atmospheric Chemistry and Physics
(2011)
11
NOx and O-3 above a tropical rainforest: an analysis with a global and box model
RC Pike, JD Lee, PJ Young, GD Carver, X Yang, N Warwick, S Moller, P Misztal, B Langford, D Stewart, CE Reeves, CN Hewitt, JA Pyle
Atmospheric Chemistry and Physics
(2010)
10
Bromocarbons in the tropical marine boundary layer at the Cape Verde Observatory – measurements and modelling
LM O'Brien, NRP Harris, AD Robinson, B Gostlow, N Warwick, X Yang, JA Pyle
Atmospheric Chemistry and Physics
(2009)
9
Short‐lived bromine compounds in the lower stratosphere; impact of climate change on ozone
O Dessens, G Zeng, N Warwick, J Pyle
Atmospheric Science Letters
(2009)
10
Kick-starting ancient warming
EG Nisbet, SM Jones, J Maclennan, G Eagles, J Moed, N Warwick, S Bekki, P Braesicke, JA Pyle, CMR Fowler
Nature Geoscience
(2009)
2
Consistent simulation of bromine chemistry from the marine boundary layer to the stratosphere – Part 2: Bromocarbons
A Kerkweg, P Jöckel, N Warwick, S Gebhardt, CAM Brenninkmeijer, J Lelieveld
Atmospheric Chemistry and Physics
(2008)
8

Research Groups

Telephone number

01223 763827

Email address