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Dr Paul Griffiths

I wear glasses nowI am a NCAS research scientist working with Professor John Pyle and Dr Alex Archibald. My background is in experimental physical chemistry and aerosol-cloud interactions, but since 2009 I have been working on numerical simulation of the atmosphere, focussing on the chemistry of the troposphere. My main interests are in halogens, NOx and heterogeneous chemistry. I am also interested in model-measurement comparisons and ways to quantify and improve model treatments of atmospheric composition.


Research Projects


  • I am finishing up for work on the NERC BLOWSEA project, which examines the impact of blowing snow on tropospheric ozone. This involves collaboration with researchers at the British Antartic Survey, running simulations which quantify the release of bromine from sea-ice.
  • I am involved with the “Oxidant Budgets of the Northern Hemisphere Troposphere Since 1950” (OXBUDS) project together with Alex Archibald and colleagues at UEA.  I'm putting together a scheme for nitrate formation in UKCA.
  • I take an interest in the implementation of Fast-Jx and heterogeneous chemistry in the development versions of UM-UKCA.  Currently I'm running some simulations to investigate release of nitryl chloride, ClNO2, from sea-salt.
  • I led our contribution to the TRANSCOM-VSLS intercomparison project, headed by Ryan Hossaini at Leeds, which looks at the transport and lifetime of very short lived halogen species. 

Teaching


Currently, I am a lecturer in the Part II course 'Chemistry of the Atmosphere', and have also lectured the A6 course 'Concepts in Physical Chemistry' (2012-2015).  I am a fellow in chemistry and graduate tutor at Robinson College where I supervise Part IB Chemistry as well as sections of the Part IA and Part IB Geography tripos.  I have also run supervisions for Part IA chemistry, for the Part II course 'High Resolution Spectroscopy' and the Part III interdisciplinary course 'Atmospheric Chemistry and Global Change'. 


 

Publications

Comprehensive modeling study of ozonolysis of oleic acid aerosol based on real-time, online measurements of aerosol composition
PJ Gallimore, PT Griffiths, FD Pope, JP Reid, M Kalberer
– Journal of Geophysical Research
(2017)
122,
4364
Heterogeneous reaction of ClONO<sub>2</sub> with TiO<sub>2</sub> and SiO<sub>2</sub> aerosol particles: implications for stratospheric particle injection for climate engineering
M Tang, J Keeble, PJ Telford, FD Pope, P Braesicke, PT Griffiths, NL Abraham, J McGregor, IM Watson, RA Cox, JA Pyle, M Kalberer
– Atmospheric Chemistry and Physics
(2016)
16,
15397
A multi-model intercomparison of halogenated very short-lived substances (TransCom-VSLS): Linking oceanic emissions and tropospheric transport for a reconciled estimate of the stratospheric source gas injection of bromine
R Hossaini, PK Patra, AA Leeson, G Krysztofiak, NL Abraham, SJ Andrews, AT Archibald, J Aschmann, EL Atlas, DA Belikov, H Bönisch, LJ Carpenter, S Dhomse, M Dorf, A Engel, W Feng, S Fuhlbrügge, PT Griffiths, NRP Harris, R Hommel, T Keber, K Krüger, ST Lennartz, S Maksyutov, H Mantle, GP Mills, B Miller, SA Montzka, F Moore, MA Navarro, DE Oram, K Pfeilsticker, JA Pyle, B Quack, AD Robinson, E Saikawa, A Saiz-Lopez, S Sala, BM Sinnhuber, S Taguchi, S Tegtmeier, RT Lidster, C Wilson, F Ziska
– Atmospheric Chemistry and Physics
(2016)
16,
9163
A multi-model intercomparison of halogenated very short-lived substances (TransCom-VSLS): linking oceanic emissions and tropospheric transport for a reconciled estimate of the stratospheric source gas injection of bromine
R Hossaini, PK Patra, AA Leeson, G Krysztofiak, NL Abraham, SJ Andrews, AT Archibald, J Aschmann, EL Atlas, DA Belikov, H Bönisch, R Butler, LJ Carpenter, S Dhomse, M Dorf, A Engel, L Feng, W Feng, S Fuhlbrügge, PT Griffiths, NRP Harris, R Hommel, T Keber, K Krüger, ST Lennartz, S Maksyutov, H Mantle, GP Mills, B Miller, SA Montzka, F Moore, MA Navarro, DE Oram, PI Palmer, K Pfeilsticker, JA Pyle, B Quack, AD Robinson, E Saikawa, A Saiz-Lopez, S Sala, B-M Sinnhuber, S Taguchi, S Tegtmeier, RT Lidster, C Wilson, F Ziska
– Atmospheric Chemistry and Physics Discussions
(2016)
2016,
1
Influence of isoprene chemical mechanism on modelled changes in tropospheric ozone due to climate and land use over the 21st century
OJ Squire, AT Archibald, PT Griffiths, ME Jenkin, D Smith, JA Pyle
– Atmospheric Chemistry and Physics
(2015)
15,
5123
Isoprene chemistry in pristine and polluted Amazon environments: Eulerian and Lagrangian model frameworks and the strong bearing they have on our understanding of surface ozone and predictions of rainforest exposure to this priority pollutant
JG Levine, AR MacKenzie, OJ Squire, AT Archibald, PT Griffiths, NL Abraham, JA Pyle, DE Oram, G Forster, JF Brito, JD Lee, JR Hopkins, AC Lewis, SJB Bauguitte, CF Demarco, P Artaxo, P Messina, J Lathière, DA Hauglustaine, E House, CN Hewitt, E Nemitz
– Atmospheric Chemistry and Physics Discussions
(2015)
15,
24251
Re-evaluating the reactive uptake of HOBr in the troposphere with implications for the marine boundary layer and volcanic plumes
TJ Roberts, L Jourdain, PT Griffiths, M Pirre
– Atmospheric Chemistry and Physics
(2014)
14,
11185
Adsorption and hydrolysis of alcohols and carbonyls on ice at temperatures of the upper troposphere.
A Symington, LM Leow, PT Griffiths, RA Cox
– The journal of physical chemistry. A
(2012)
116,
5990
Hygroscopic growth and cloud activation of pollen: A laboratory and modelling study
PT Griffiths, JS Borlace, PJ Gallimore, M Kalberer, M Herzog, FD Pope
– Atmospheric Science Letters
(2012)
13,
289
Electrochemical sensing of volcanic gases
TJ Roberts, CF Braban, C Oppenheimer, RS Martin, RA Freshwater, DH Dawson, PT Griffiths, RA Cox, JR Saffell, RL Jones
– Chemical Geology
(2012)
332-333,
74
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Research Group

Research Interest Group

Telephone number

01223 748889

Email address

ptg21@cam.ac.uk