Publications
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2023
2022
2023. Experimental and theoretical study of the low-temperature kinetics of the reaction of CN with CH2O and implications for interstellar environments. Physical Chemistry Chemical Physics.
2023. Extensive field evidence for the release of HONO from the photolysis of nitrate aerosols. Science Advances. 9(3)
2022. Kinetics and Product Branching Ratio Study of the CH3O2 Self-Reaction in the Highly Instrumented Reactor for Atmospheric Chemistry. The Journal of Physical Chemistry A. 126(42), pp. 7639-7649
2022. Impact of Lindemann and related theories: general discussion. Faraday Discussions. 238, pp. 700-740
2022. The master equation: general discussion. Faraday Discussions. 238, pp. 529-574
2022. Unimolecular Kinetics of Stabilised CH3CHOO Criegee Intermediates: syn-CH3CHOO Decomposition and anti-CH3CHOO Isomerisation. The Journal of Physical Chemistry A. 126(39), pp. 6984-6994
2022. The gas-phase reaction of NH₂ with formaldehyde (CH₂O) is not a source of formamide (NH₂CHO) in interstellar environments. The Astrophysical Journal Letters. 937(1)
2022. New Approach to the Detection of Short-Lived Radical Intermediates. Journal of the American Chemical Society. 144(35), pp. 15969-15976
2022. Investigating the global OH radical distribution using steady-state approximations and satellite data. Atmospheric Chemistry and Physics. 22(16), pp. 10467-10488
2022. Techniques for measuring indoor radicals and radical precursors. Applied Spectroscopy Reviews. 57(7), pp. 580-624
2022. Observations and modelling of glyoxal in the tropical Atlantic marine boundary layer. Atmospheric Chemistry and Physics. 22(8), pp. 5535-5557
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2021
2021. Observations and modelling of glyoxal in the tropical Atlantic marine boundary layer. Atmospheric Chemistry and Physics.
2021. Ozone production and precursor emission from wildfires in Africa. Environmental Science: Atmospheres.
2021. In situ ozone production is highly sensitive to volatile organic compounds in Delhi, India. Atmospheric Chemistry and Physics. 21(17), pp. 13609-13630
2021. Kinetics of the Gas Phase Reaction of the Criegee Intermediate CH₂OO with SO₂ as a Function of Temperature. Physical Chemistry Chemical Physics.
2021. Observations of speciated isoprene nitrates in Beijing: implications for isoprene chemistry. Atmospheric Chemistry and Physics. 21(8), pp. 6315-6330
2021. Production of HONO from NO2 uptake on illuminated TiO2 aerosol particles and following the illumination of mixed TiO2∕ammonium nitrate particles. Atmospheric Chemistry and Physics. 21(7), pp. 5755-5775
2021. Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NOx in Beijing. Atmospheric Chemistry and Physics. 21(3), pp. 2125-2147
2021. Low-NO atmospheric oxidation pathways in a polluted megacity. Atmospheric Chemistry and Physics. 21(3), pp. 1613-1625
2021. Using highly time-resolved online mass spectrometry to examine biogenic and anthropogenic contributions to organic aerosol in Beijing. Faraday Discussions.
2021. Key Role of NO3 Radicals in the Production of Isoprene Nitrates and Nitrooxyorganosulfates in Beijing. Environmental Science & Technology. 55(2), pp. 842-853
2020
2020. Experimental and Theoretical Study of the OH-Initiated Degradation of Piperazine under Simulated Atmospheric Conditions. The Journal of Physical Chemistry A.
Song H, Chen X, Lu K, Zou Q, Tan Z, Fuchs H, Wiedensohler A, Moon DR, Heard DE, Baeza-Romero M-T, Zheng M, Wahner A, Kiendler-Scharr A, Zhang Y. 2020. Influence of aerosol copper on HO2 uptake: a novel parameterized equation. Atmospheric Chemistry and Physics. 20(24), pp. 15835-15850
2020. Elevated levels of OH observed in haze events during wintertime in central Beijing. Atmospheric Chemistry and Physics Discussions.
2020. Kinetics of the Gas Phase Reactions of the Criegee Intermediate CH2OO with O3 and IO. The Journal of Physical Chemistry A.
2020. Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing. Atmospheric Chemistry and Physics. 20(12), pp. 7531-7552
2020. Implementation of a chemical background method for atmospheric OH measurements by laser-induced fluorescence: characterisation and observations from the UK and China. Atmospheric Measurement Techniques. 13(6), pp. 3119-3146
2020. An intercomparison of CH3O2 measurements by fluorescence assay by gas expansion and cavity ring-down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry). Atmospheric Measurement Techniques. 13(5), pp. 2441-2456
2020. Implementation of a chemical background method for atmospheric OH measurements by laser-induced fluorescence: characterisation and observations from the UK and China. Atmospheric Measurement Techniques Discussions.
2019
2019. An intercomparison of CH3O2 measurements by Fluorescence Assay by Gas Expansion and Cavity Ring–Down Spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry). Atmospheric Measurement Techniques Discussions.
2019. Measurements of Low Temperature Rate Coefficients for the Reaction of CH with CH₂O and Application to Dark Cloud and AGB Stellar Wind Models. Astrophysical Journal. 885(2)
2019. Photochemical impacts of haze pollution in an urban environment. Atmospheric Chemistry and Physics.
2019. Introduction to the special issue “In-depth study of air pollution sources and processes within Beijing and its surrounding region (APHH-Beijing)”. Atmospheric Chemistry and Physics. 19(11), pp. 7519-7546
2019. Low temperature studies of the rate coefficients and branching ratios of reactive loss vs quenching for the reactions of ¹CH₂ with C₂H₆, C₂H₄, C₂H₂. Icarus. 321, pp. 752-766
2019. Production of HO₂ and OH radicals from near-UV irradiated airborne TiO₂ nanoparticles. Physical Chemistry Chemical Physics. 21(5), pp. 2201-2824
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2018
Shannon RJ; Gómez Martín JC; Caravan RL; Blitz MA; Plane JMC; Heard DE; Antiñolo M; Agúndez M; Jiménez E; Ballesteros B (2018) Comment on “Methanol dimer formation drastically enhances hydrogen abstraction from methanol by OH at low temperature” by W. Siebrand, Z. Smedarchina, E. Martínez-Núñez and A. Fernández-Ramos, Phys. Chem. Chem. Phys. 2016, 18, 22712. Physical Chemistry Chemical Physics, 20 (12), pp. 8349-8354
Shaw JT; Lidster RT; Cryer DR; Ramirez N; Whiting FC; Boustead GA; Whalley LK; Ingham T; Rickard AR; Dunmore RE; (2018), A self-consistent, multivariate method for the determination of gas-phase rate coefficients, applied to reactions of atmospheric VOCs and the hydroxyl radical. ATMOSPHERIC CHEMISTRY AND PHYSICS, 18 (6), pp. 4039-4054.
Douglas K; Blitz MA; Feng W; Heard DE; Plane JMC; Slater E; Willacy K; Seakins PW; (2018), Low temperature studies of the removal reactions of1CH2with particular relevance to the atmosphere of Titan. Icarus, 303 , pp. 10-21.
Stone D; Sherwen T; Evans MJ; Vaughan S; Ingham T; Whalley LK; Edwards PM; Read KA; Lee JD; Moller SJ; (2018), Impacts of bromine and iodine chemistry on tropospheric OH and HO2: Comparing observations with box and global model perspectives. Atmospheric Chemistry and Physics, 18 (5), pp. 3541-3561.
Whalley LK; Stone D; Dunmore R; Hamilton J; Hopkins JR; Lee JD; Lewis AC; Williams P; Kleffmann J; Laufs S; (2018), Understanding in situ ozone production in the summertime through radical observations and modelling studies during the Clean air for London project (ClearfLo). Atmospheric Chemistry and Physics, 18(4), pp. 2547-2571.
Lewis T; Heard DE; Blitz MA; (2018), A novel multiplex absorption spectrometer for time-resolved studies. Review of Scientific Instruments, 89 (2).
Moon DR; Taverna GS; Anduix Canto C; Ingham T; Chipperfield MP; Seakins PW; Baeza-Romero M-T; Heard DE; (2018), Heterogeneous reaction of HO₂ with airborne TiO₂ particles and its implication for climate change mitigation strategies. Atmospheric Chemistry and Physics, 18 (1), pp. 327-338.
Shannon RJ; Gómez Martín JC; Caravan RL; Blitz MA; Plane JMC; Heard DE; Antiñolo M; Agúndez M; Jiménez E; Ballesteros B; (2018), Comment on "methanol dimer formation drastically enhances hydrogen abstraction from methanol by OH at low temperature" by W. Siebrand, Z. Smedarchina, E. Martínez-Núñez and A. Fernández-Ramos,: Phys. Chem. Chem. Phys. 2016, 18, 22712. Physical Chemistry Chemical Physics, 20 (12), pp. 8349-8354.
2017
Onel L; Brennan A; Gianella M; Ronnie G; Lawry Aguila A; Hancock G; Whalley L; Seakins PW; Ritchie GAD; Heard DE; (2017), An intercomparison of HO2measurements by fluorescence assay by gas expansion and cavity ring-down spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry). Atmospheric Measurement Techniques, 10 (12), pp. 4877-4894.
Bannan TJ; Bacak A; Le Breton M; Flynn M; Ouyang B; McLeod M; Jones R; Malkin TL; Whalley LK; Heard DE; (2017), Ground and Airborne U.K. Measurements of Nitryl Chloride: An Investigation of the Role of Cl Atom Oxidation at Weybourne Atmospheric Observatory. Journal of Geophysical Research: Atmospheres, 122(20), pp. 11-165.
Fuchs H; Novelli A; Rolletter M; Hofzumahaus A; Pfannerstill EY; Kessel S; Edtbauer A; Williams J; Michoud V; Dusanter S; (2017), Comparison of OH reactivity measurements in the atmospheric simulation chamber SAPHIR. Atmospheric Measurement Techniques, 10 (10), pp. 4023-4053.
Onel L; Brennan A; Seakins PW; Whalley L; Heard DE; (2017), A new method for atmospheric detection of the CH3O2radical. Atmospheric Measurement Techniques, 10 (10), pp. 3985-4000.
Lakey PSJ; Berkemeier T; Krapf M; Dommen J; Steimer SS; Whalley LK; Ingham T; Baeza-Romero MT; Pöschl U; Shiraiwa M; The effect of viscosity and diffusion on the HO2 uptake by sucrose and secondary organic aerosol particles. Atmospheric Chemistry and Physics Discussions, , pp. 1-25.
Onel L; Brennan A; Gianella M; Ronnie G; Lawry Aguila A; Hancock G; Whalley L; Seakins PW; Ritchie GAD; Heard DE; An intercomparison of HO2 measurements by Fluorescence Assay by Gas Expansion and Cavity Ring–Down Spectroscopy within HIRAC (Highly Instrumented Reactor for Atmospheric Chemistry). Atmospheric Measurement Techniques Discussions, , pp. 1-24.
Moon DR; Taverna GS; Anduix-Canto C; Ingham T; Chipperfield MP; Seakins PW; Baeza-Romero M-T; Heard DE; Heterogeneous reaction of HO2 with airborne TiO2particles and its implication for climate change mitigation strategies. Atmospheric Chemistry and Physics Discussions, , pp. 1-20.
Onel L; Brennan A; Seakins PW; Whalley L; Heard DE; A new method for atmospheric detection of the CH3O2 radical. Atmospheric Measurement Techniques Discussions, , pp. 1-20.
Carslaw N; Fletcher L; Heard D; Ingham T; Walker H; (2017), Significant OH production under surface cleaning and air cleaning conditions: Impact on indoor air quality. Indoor Air, 27 (6), pp. 1091-1100.
Ye C, Heard DE, Whalley LK; Evaluation of Novel Routes for NOx Formation in Remote Regions. Environmental Science and Technology, 51, 7442-7449, 2017
Blitz MA, Salter RJ, Heard DE, Seakins PW; An Experimental Study of the Kinetics of OH/OD(v = 1,2,3) + SO2: The Limiting High-Pressure Rate Coefficients as a Function of Temperature. J Phys Chem A, 121, 3175-3183, 2017
Blitz MA, Salter RJ, Heard DE, Seakins PW; An Experimental and Master Equation Study of the Kinetics of OH/OD + SO2: The Limiting High-Pressure Rate Coefficients. J Phys Chem A, 121, 3184-3191, 2017
Burkholder JB, Abbatt JPD, Barnes I, Roberts JM, Melamed ML, Ammann M, Bertram AK, Cappa CD, Carlton AMG, Carpenter LJ, Crowley JN, Dubowski Y, George C, Heard DE, Herrmann H, Keutsch FN, Kroll JH, McNeill VF, Ng NL, Nizkorodov SA, Orlando JJ, Percival CJ, Picquet-Varrault B, Rudich Y, Seakins PW, Surratt JD, Tanimoto H, Thornton JA, Tong Z, Tyndall GS, Wahner A, Weschler CJ, Wilson KR, Ziemann PJ; The Essential Role for Laboratory Studies in Atmospheric Chemistry. Environmental Science&Technology 51 2519-2528, 2017
Assaf E, Sheps L, Whalley L, Heard D, Tomas A, Schoemaecker C, Fittschen C; The Reaction between CH3O2 and OH Radicals: Product Yields and Atmospheric Implications. Environ Sci Technol 51 2170-2177, 2017
Burkholder JB, Abbatt JP, Barnes I, Roberts JM, Melamed ML, Ammann M, Bertram AK, Cappa CD, Carlton AM, Carpenter LJ, Crowley JN, Dubowski Y, George C, Heard DE, Herrmann H, Keutsch FN, Kroll JH, McNeill VF, Ng NL, Nizkorodov SA, Orlando JJ, Percival CJ, Picquet-Varrault B, Rudich Y, Seakins PW, Surratt JD, Tanimoto H, Thornton JA, Zhu T, Tyndall GS, Wahner A, Weschler CJ, Wilson KR, Ziemann PJ; The Essential Role for Laboratory Studies in Atmospheric Chemistry. Environ Sci Technol -, 2017
Hansen RF, Lewis TR, Graham L, Whalley LK, Seakins PW, Heard DE, Blitz MA; OH production from the photolysis of isoprene-derived peroxy radicals: cross-sections, quantum yields and atmospheric implications. Phys Chem Chem Phys 19 2332-2345, 2017
James AD, Moon DR, Feng W, Lakey PSJ, Frankland VL, Heard DE, Plane JMC; The uptake of HO2 on meteoric smoke analogues Journal of Geophysical Research: Atmospheres 122 554-565, 2017
2016
Lakey PSJ, Berkemeier T, Krapf M, Dommen J, Steimer SS, Whalley LK, Ingham T, Baeza-Romero MT, Pöschl U, Shiraiwa M, Ammann M, Heard DE; The effect of viscosity and diffusion on the HO₂ uptake by sucrose and secondary organic aerosol particles Atmospheric Chemistry and Physics 16 13035-13047, 2016
Bohn B, Heard DE, Mihalopoulos N, Plass-Dülmer C, Schmitt R, Whalley LK; Characterisation and improvement of j(O1D) filter radiometers Atmospheric Measurement Techniques 9 3455-3466, 2016
Stone D, Whalley LK, Ingham T, Edwards PM, Cryer DR, Brumby CA, Seakins PW, Heard DE; Measurement of OH reactivity by laser flash photolysis coupled with laser-induced fluorescence spectroscopy Atmospheric Measurement Techniques 9 2827-2844, 2016
Crilley LR, Kramer L, Pope FD, Whalley LK, Cryer DR, Heard DE, Lee JD, Reed C, Bloss WJ; On the interpretation of in situ HONO observations via photochemical steady state Faraday Discussions 189 191-212, 2016
Dunmore RE, Whalley LK, Sherwen T, Evans MJ, Heard DE, Hopkins JR, Lee JD, Lewis AC, Lidster RT, Rickard AR, Hamilton JF; Atmospheric ethanol in London and the potential impacts of future fuel formulations Faraday Discussions 189 105-120, 2016
Winiberg FAF, Dillon TJ, Orr SC, Groß CBM, Bejan I, Brumby CA, Evans MJ, Smith SC, Heard DE, Seakins PW; Direct measurements of OH and other product yields from the HO2 + CH3C(O)O2 reaction Atmospheric Chemistry and Physics 16 4023-4042, 2016
Lakey PSJ, George IJ, Baeza-Romero MT, Whalley LK, Heard DE; Organics Substantially Reduce HO2 Uptake onto Aerosols Containing Transition Metal ions Journal of Physical Chemistry A 120 1421-1430, 2016
Lee JD, Whalley LK, Heard DE, Stone D, Dunmore RE, Hamilton JF, Young DE, Allan JD, Laufs S, Kleffmann J; Detailed budget analysis of HONO in central London reveals a missing daytime source Atmospheric Chemistry and Physics 16 2747-2764, 2016
Whalley LK, Stone D, Bandy B, Dunmore R, Hamilton JF, Hopkins J, Lee JD, Lewis AC, Heard DE; Atmospheric OH reactivity in central London: Observations, model predictions and estimates of in situ ozone production Atmospheric Chemistry and Physics 16 2109-2122, 2016
Malkin TL, Heard DE, Hood C, Stocker J, Carruthers D, Mackenzie IA, Doherty RM, Vieno M, Lee J, Kleffmann J, Laufs S, Whalley LK; Assessing chemistry schemes and constraints in air quality models used to predict ozone in London against the detailed Master Chemical Mechanism Faraday Discussions 189 589-616, 2016
Howes NUM, Lockhart JPA, Blitz MA, Carr SA, Baeza-Romero MT, Heard DE, Shannon RJ, Seakins PW, Varga T; Observation of a new channel, the production of CH3, in the abstraction reaction of OH radicals with acetaldehyde Physical Chemistry Chemical Physics 18 26423-26433, 2016
Whalley LK, Stone D, Bandy B, Dunmore R, Hamilton JF, Hopkins J, Lee JD, Lewis AC, Heard DE; Atmospheric OH reactivity in central London: observations, model predictions and estimates of in situ ozone production Atmospheric Chemistry and Physics 16 2109-2122, 2016
2015
Walker HM, Stone D, Ingham T, Vaughan S, Cain M, Jones RL, Kennedy OJ, McLeod M, Ouyang B, Pyle J, Bauguitte S, Bandy B, Forster G, Evans MJ, Hamilton JF, Hopkins JR, Lee JD, Lewis AC, Lidster RT, Punjabi S, Morgan WT, Heard DE; Night-time measurements of HOx during the RONOCO project and analysis of the sources of HO2. Atmospheric Chemistry and Physics 15 8179-8200, 2015
Caravan RL, Shannon RJ, Lewis T, Blitz MA, Heard DE; Measurements of Rate Coefficients for Reactions of OH with Ethanol and Propan-2-ol at Very Low Temperatures. Journal of Physical Chemistry A 119 7130-7137, 2015
Bannan TJ, Booth AM, Bacak A, Muller JBA, Leather KE, Le Breton M, Jones B, Young D, Coe H, Allan J, Visser S, Slowik JG, Furger M, Prévôt ASH, Lee J, Dunmore RE, Hopkins JR, Hamilton JF, Lewis AC, Whalley LK, Sharp T, Stone D, Heard DE, Fleming ZL, Leigh R, Shallcross DE, Percival CJ; The first UK measurements of nitryl chloride using a chemical ionization mass spectrometer in central London in the summer of 2012, and an investigation of the role of Cl atom oxidation. Journal of Geophysical Research Atmospheres 120 5638-5657, 2015
Fleming E.L.; George C; Heard D.E.; Jackman C.H.; Kurylo M.J.; Mellouki W; Orkin V.L.; Swartz W.H.; Wallington T.J.; Wine P.H.; Burkholder J.B.; The impact of current CH4 and N2O atmospheric loss process uncertainties on calculated ozone abundances and trends. Journal of Geophysical Research Atmospheres, 2015
Lakey P.S.J; George I.J.; Whalley L.K.; Baeza-Romero M.T.; Heard D.E.; Measurements of the HO2 uptake coefficients onto single component organic aerosols. Environmental Science and Technology 49 4878-4885, 2015
Whalley L.K.; Stone D.; George I.J.; Mertes S.; Van Pinxteren D.; Tilgner A.; Herrmann H.; Evans M.J.; Heard D.E.; The influence of clouds on radical concentrations: Observations and modelling studies of HOx during the Hill Cap Cloud Thuringia (HCCT) campaign in 2010. Atmospheric Chemistry and Physics 15 3289-3301, 2015
Acharyya K; Herbst E; Caravan R.L. ; Shannon R.J. ; Blitz M.A.; Heard D.E.; The importance of OH radical–neutral low temperature tunnelling reactions in interstellar clouds using a new model. Molecular Physics, 2015
Lewis T.R.; Blitz M.A.; Heard D.E.; Seakins P.W.; Direct evidence for a substantive reaction between the Criegee intermediate, CH2OO, and the water vapour dimer. PCCP 17 4859-4863, 2015
Winiberg F.A.F.; Smith S.C.; Bejan I.; Brumby C.A.; Ingham T.; Malkin T.L. ; Orr S.C.; Heard D.E.; Seakins P.W.; Pressure-dependent calibration of the OH and HO2 channels of a FAGE HOx instrument using the Highly Instrumented Reactor for Atmospheric Chemistry (HIRAC). Atmos. Meas. Tech. 8, 523-540, 2015
2014
Caravan R.L.; Shannon R.J.; Lewis T.; Blitz M.A.; Heard D.E.; Measurements of Rate Coefficients for Reactions of OH with Ethanol and Propan-2-ol at Very Low Temperatures. The journal of physical chemistry. A -, 2014
Fittschen C; Whalley L.K.; Heard D.E.; The reaction of CH3O2 radicals with OH radicals: a neglected sink for CH3O2 in the remote atmosphere. Environ Sci Technol, 48 7700-7701, 2014
Gómez Martín, J.C.; Caravan, R.L.; Blitz, M.A.; Heard, D.E.; Plane, J.M.C. Low Temperature Kinetics of the CH3OH + OH Reaction, Journal of Physical Chemistry A, 118 (15), 2693-2701, 2014
Matthews, P.S.J.; Baeza-Romero, M.T.; Whalley, L.K.; Heard, D.E. Uptake of HO2 radicals onto Arizona Test Dust aerosols, Atmospheric Chemistry and Physics Discussions, 14, 4229-4261, 2014
Shannon, R.J.; Caravan;, R.L.; Blitz, M.A.; Heard, D.E., A combined experimental and theoretical study of reactions between the hydroxyl radical and oxygenated hydrocarbons relevant to astrochemical environments, Physical Chemistry Chemical Physics, 16, 3466-3478, 2014
Stone, D.; Evans, M. J.; Walker, H. M.; Ingham, T.; Vaughan, S.; Ouyang, B.; Kennedy, O. J.; McLeod, M. W.; Jones, R. L.; Hopkins, J.; Punjabi, S.; Lidster, R.; Hamilton, J. F.; Lee, J. D.; Lewis, A. C.; Carpenter, L. J.; Forster, G.; Oram, D. E.; Reeves, C. E.; Baugitte, S.; Morgan, W.; Coe, H.; Aruffo, E.; Dari-Salisburgo, C.; Giammaria, F.; Di Carlo, P.; Heard, D. E., Radical chemistry at night: comparisons between observed and modelled HOx, NO3 and N2O5 during the RONOCO project, Atmospheric Chemistry and Physics, 14 (3), 1299-1321
2013
Lockhart, J.; Blitz, M.A.; Heard, D.E.; Seakins, P.W.; Shannon, R. Kinetic Study of the OH + Glyoxal Reaction: Experimental Evidence and Quantification of Direct OH Recycling, Journal of Physical Chemistry A, 2013, 117, 43, 11027-11037
Whalley, L.K.; Blitz, M.A.; Desservettaz, M.; Seakins, P.W.; Heard, D.E. Reporting the sensitivity of Laser Induced Fluorescence instruments used for HO2 detection to an interference from RO2 radicals and introducing a novel approach that enables HO2 and certain RO2 types to be selectively measured, Atmospheric Measurement Techniques Discussions, 2013, 6, 6249-6292
Edwards, P.M.; Evans, M.J.; Furneaux, K.L.; Hopkins, J.; Ingham, T.; Jones, C.; Lee, J.D.; Lewis, A.C.; Moller, S.J.; Stone, D., Whalley, L.K.; Heard, D.E. OH reactivity in a South East Asian Tropical rainforest during the Oxidant and Particle Photochemical Processes (OP3) Project, Atmospheric Chemistry and Physics, 2013, 13, 9497-9514
Shannon, R.J.; Blitz, M.A.; Goddard, A.; Heard, D.E. Accelerated chemistry in the reaction between the hydroxyl radical and methanol at interstellar temperatures facilitated by tunnelling, Nature Chemistry, 2013, 5, 9, 745-749
Warwick, N.J.; Archibald, A.T.; Ashworth, K.; Dorsey, J.; Edwards, P.M.; Heard, D.E.; Langford, B.; Lee, J.; Misztal, P.K.; Whalley, L.K.; Pyle, J.A. A global model study of the impact of land-use change in Borneo on atmospheric composition, Atmospheric Chemistry and Physics, 2013, 13, 9183-9194
George, I.J.; Matthews, P S J; Whalley, L. K.; Brooks, B.; Goddard, A.; Baeza-Romero, M.T.; Heard, D.E. Measurements of uptake coefficients for heterogeneous loss of HO2 onto submicron inorganic salt aerosols, Physical Chemistry Chemical Physics, 2013, 15, 12829-12845
Lockhart, J.; Blitz, M.A.; Heard, D.E.; Seakins, P.W. Mechanism of the Reaction of OH with Alkynes in the Presence of Oxygen, Journal of Physical Chemistry A, 2013, 117, 26, 5407-5418
Salter, R.J.; Blitz, M.A.; Heard, D.E.; Pilling, M.J.; Seakins, P.W. Pressure and temperature dependent photolysis of glyoxal in the 355-414 nm region: evidence for dissociation from multiple states, Physical Chemistry Chemical Physics, 2013, 15, 6516-6526
Salter, R.J.; Blitz, M.A.; Heard, D.E.; Kovacs, T.; Pilling, M.J.; Rickard, A.R.; Seakins, P.W. Quantum yields for the photolysis of glyoxal below 350 nm and parameterisations for its photolysis rate in the troposphere, Physical Chemistry Chemical Physics, 2013, 15, 14, 4984-4994
2012
Stone, D.; Whalley, L.K.; Heard, D.E. Tropospheric OH and HO2 radicals: Field measurements and model comparisons, Chemical Society Reviews, 2012, 41, 6348-6404
Whalley, L.; Stone, D.; Heard, D.E. New Insights into the Tropospheric Oxidation of Isoprene: Combining Field Measurements, Laboratory Studies, Chemical Modelling and Quantum Theory, Topics In Current Chemistry, 2012, doi:10.1007/128_2012_359
MacDonald, S.M.; Oetjen, H.; Mahajan, A.S.; Whalley, L.K.; Edwards, P.M.; Heard, D.E.; Jones, C.E.; Plane, J.M.C. DOAS measurements of formaldehyde and glyoxal above a south-east Asian tropical rainforest, Atmospheric Chemistry and Physics, 2012, 12, 5949-5962
Vaughan, S.; Ingham, T.; Whalley, L.K.; Stone, D.; Evans, M.J.; Read, K.A.; Lee, J.D.; Moller, S.J.; Carpenter, L.J.; Lewis, A.C.; Fleming, Z.L.; Heard, D.E. Seasonal observations of OH and HO2 in the remote tropical marine boundary layer, Atmospheric Chemistry and Physics, 2012, 12, 2149-2172
2011
Edwards, P.; Evans, M.J.; Commane, R.; Ingham, T.; Stone, D.; Mahajan, A.; Oetjen, H.; Dorsey, J.R.; Hopkins, J.R.; Lee, J.D.; Moller, S.J.; Leigh, R.; Plane, J.M.C.; Carpenter, L.J.; Heard, D.E. Hydrogen oxide photochemistry in the northern Canadian spring time boundary layer, Journal of Geophysical Research: Atmospheres, 116, D22306, 2011, doi:10.1029/2011JD016390
MacKenzie, A.R.; Langford, B.; Pugh, T.A.M.; Robinson, N.; Misztal, P.K.; Heard, D.E.; Lee, J.D.; Lewis, A.C.; Jones, C.E.; Hopkins, J.R.; Phillips, G.; Monks, P.S.; Karunaharan, A.; Hornsby, K.E.; Nicolas-Perea, V.; Coe, H.; Gabey, A.M.; Gallagher, M.W.; Whalley, L.K.; Edwards, P.M.; Evans, M.J.; Stone, D.; Ingham, T.; Commane, R.; Furneaux, K.L.; McQuaid, J.B.; Nemitz, E.; Seng, Y.K.; Fowler, D.; Pyle, J.A.; Hewitt, C.N. The atmospheric chemistry of trace gases and particulate matter emitted by different land uses in Borneo, Phil. Trans. R. Soc. B., 366, 2177-2195, 2011
Whalley, L.K.; Edwards, P.M.; Furneaux, K.L.; Goddard, A.; Ingham, T.; Evans, M.J.; Stone, D.; Hopkins, J.R.; Jones, C.E.; Karunaharan, A.; Lee, J.D.; Lewis, A.C.; Monks, P.S.; Moller, S.J.; Heard, D.E. Quantifying the magnitude of a missing hydroxyl radical source in a tropical rainforest, Atmospheric Chemistry and Physics, 11, 7223-7233, 2011
Stone, D.; Evans, M.J.; Edwards, P.M.; Commane, R.; Ingham, T.; Rickard, A.R.; Brookes, D.M.; Hopkins, J.; Leigh, R.J.; Lewis, A.C.; Monks, P.S.; Oram, D.; Reeves, C.E.; Stewart, D.; Heard, D.E. Isoprene Oxidation Mechanisms: Measurements and Modelling of OH and HO2 over a South-East Asian tropical rainforest during the OP3 field campaign, Atmospheric Chemistry and Physics, 11, 6749-6771, 2011
Commane, R.; Seitz, K.; Bale, C.S.E.; Bloss, W.J.; Buxmann, J.; Ingham, T.; Platt, U.; Pöhler, D.; Heard, D.E. Iodine monoxide at a clean marine coastal site: observations of hight frequency varations and inhomogenous distributions, Atmospheric Chemistry and Physics, 11, 6721-6733, 2011
Archibald, A.T.; Levine, J.G.; Abraham, N.L.; Cooke, M.C.; Edwards, P.M.; Heard, D.E.; Jenkin, M.E.; Karunaharan, A.; Pike, R.C.; Monks, P.S.; Shallcross, D.E.; Telford, P.J.; Whalley, L.K.; Pyle, J.A. Impacts of HOx regeneration and recycling in the oxidation of isoprene: Consequences for the compostion of past, present and future atmospheres, Geophysical Research Letters, 38, L05804, 2011, doi:10.1029/2010GL046520
2010
Gravestock, T.J.; Blitz, M.A.; Bloss, W.J.; Heard, D.E. A Multidimensional Study of the Reaction CH2I + O2: Products and Atmospheric Implications, ChemPhysChem, 11 (18), 3928-3941, 2010
Carpenter, L.J.; Fleming, Z.L.; Read, K.A.; Lee, J.D.; Moller, S.J.; Hopkins, J.; Purvis, R.; Lewis, A.C.; Muller, K.; Heinold, B.; Herrmann, H.; Wadinga Fomba, K.; van Pinxteren, D.; Muller, C.; Tegen, I.; Wiedensohler, A.; Muller, T.; Niedermeier, N.; Achterberg, E.P.; Patey, M.D.; Kozlova, E.A.; Heimann, M.; Heard, D.E.; Plane, J.M.C.; Mahajan, A.; Oetjen, H.; Ingham, T.; Stone, D.; Whalley, L.; Evans, M.; Pilling, M.J.; Leigh, R.J.; Monks, P.;S.; Karunaharan, A.; Vaughan, S.; Tschritter, J.; Pohler, D.; Fries, U.; Holla, R.; Mendes, L.; Lopez, H.; Faria, B.; Manning, A. J.; Wallace, D. W. R. Seasonal characteristics of tropical marine boundary layer air measured at the Cape Verde Atmospheric Observatory, Journal of Atmospheric Chemistry, 67, 87-140, 2010
Mahajan, A.S.; Whalley, L.K.; Kozlova, E.A.; Oetjen, H.; Mendez, L.; Furneaux, K.L.; Goddard, A.; Heard, D.E.; Plane, J.M.C.; Saiz-Lopez, A. DOAS observations of formaldehyde and its impact on the HOx balance in the tropical Atlantic marine boundary layer, Journal of Atmospheric Chemistry, 66 (3) 167-178, 2010
Mahajan, A.S.; Shaw, M.; Oetjen, H.; Hornsby, K.E.; Carpenter, L.J.; Kaleschke, L.; Tian-Kunze, X.; Lee, J.D.; Moller, S.J.; Edwards, P.; Commane, R.; Ingham, T.; Heard, D.E.; Plane, J.M.C. Evidence of reactive iodine chemistry in the Arctic boundary layer, Journal of Geophysical Research, 115, D20303, 2010, doi:10.1029/2009JD013665
Shannon, R.J.; Taylor, S.; Goddard, A.; Blitz, M.A.; Heard, D.E. Observation of a large negative temperature dependence for rate coefficients of reactions of OH with oxygenated volatile organic compounds studied at 86-112 K, Physical Chemistry Chemical Physics, 12 (41), 13511-13514, 2010
Bloss, W.J.; Camredon, M.; Lee, J.D.; Heard, D.E.; Plane, J.M.C.; Saiz-Lopez, A.; Bauguitte, S.J.-B.; Salmon, R.A.; Jones, A.E. Coupling of HOx, NOx and halogen chemistry in the antarctic boundary layer, Atmospheric Chemistry and Physics, 2010, 10, 10187-10209
Moller, S. J.; Lee, J. D.; Commane, R.; Edwards, P.; Heard, D. E.; Hopkins, J.; Ingham, T.; Mahajan, A. S.; Oetjen, H.; Plane, J.; Roscoe, H.; Lewis, A. C.; Carpenter, L. J. Measurements of nitrogen oxides from Hudson Bay: Implications for NOx release from snow and ice covered surfaces, Atmospheric Environment, 44 (25), 2971-2979, 2010
Worton, D.R.; Reeves, C.E.; Penkett, S.A.; Sturges, W.T.; Slemr, J.; Oram, D.E.; Bandy, B.J.; Bloss, W.J.; Carslaw, N.; Davey, J.; Emmerson, K.M.; Gravestock, T.J.; Hamilton, J.F.; Heard, D.E.; Hopkins, J.R.; Hulse, A.; Ingram, T.; Jacob, M.J.; Lee, J.D.; Leigh, R.J.; Lewis, A.C.; Monks, P.S.; Smith, S.C. Alkyl nitrate photochemistry during the tropospheric organic chemistry experiment, Atmospheric Environment, 44 (6), 773-785, 2010
Gravestock, T.J.; Blitz, M.A.; Heard, D.E. A laser induced fluorescence study relating to physical properties of the iodine monoxide radical, Physical Chemistry Chemical Physics,, 12 (4), 823-834, 2010
Stone, D.; Evans, M.J.; Commane, R.; Ingham, T.; Floquet, C.F.A.; McQuaid, J.B.; Brookes, D.M.; Monks, P.S.; Purvis, R.; Hamilton, J.F.; Hopkins, J.; Lee, J.; Lewis, A.C.; Stewart, D.; Murphy, J.G.; Mills, G.; Oram, D.; Reeves, C.E.; Heard, D.E. HOx observations over West Africa during AMMA: impact of isoprene and NOx, Atmospheric Chemistry and Physics, 10, 9415-9429, 10
Furneaux, K.L.; Whalley, L.K.; Heard, D.E.; Atkinson, H.M.; Bloss, W.J.; Flynn, M.J.; Gallagher, M.W.; Ingham, T.; Kramer, L.; Lee, J.D.; Leigh, R.; McFiggans, G.B.; Mahajan, A.S.; Monks, P.S.; Oetjen, H.; Plane, J.M.C.; Whitehead, J.D. Measurements of iodine monoxide at a semi polluted coastal location, Atmospheric Chemistry and Physics, 10, 3645-3663, 2010
McFiggans, G.; Bale, C.S.E.; Ball, S.M.; Beames, J.M.; Bloss, W.J.; Carpenter, L.J.; Dorsey, J.; Dunk, R.; Flynn, M.J.; Furneaux, K.L.; Gallagher, M.W.; Heard, D.E.; Hollingsworth, A.M.; Hornsby, K.; Ingham, T.; Jones, C.E.; Jones, R.L.; Kramer, L.J.; Langridge, J.M.; Leblanc, C.; LeCrane, J.-P.; Lee, J.D.; Leigh, R.J.; Longley, I.; Mahajan, A.S.; Monks, P.S.; Oetjen, H.; Orr-Ewing, A.J.; Plane, J.M.C.; Potin, P.; Shillings, A.J.L.; Thomas, F.; von Glasow, R.; Wada, R.; Whalley, L.K.; Whitehead, J.D. Iodine-mediated coastal particle formation: an overview of the Reactive Halogens in the Marine Boundary Later (RHaMBLe) Roscoff coastal study, Atmospheric Chemistry and Physics,10, 2975-2999, 2010
Andrés-Hernández, M.D.; Stone, D.; Brookes, D.M.; Commane, R.; Reeves, C.E.; Huntrieser, H.; Heard, D.E.; Monks, P.S.; Burrows, J.P.; Schlager, H.; Kartal, D.; Evans, M.J.; Floquet, C.F.A.; Ingham, T.; Methven, J.; Parker, A.E. Peroxy radical partitioning during the AMMA radical intercomparison exercise, Atmospheric Chemistry and Physics, 10, 10621-10638, 2010
Commane, R.; Floquet, C.F.A.; Ingham, T.; Stone, D.; Evans, M.J.; Heard, D.E. Observations of OH and HO2 radicals over West Africa, Atmospheric Chemistry and Physics, 10, 8783-8801, 2010
Mari, C.H, Reeves, C.E., Law, K.S., Ancellet, G., Andres-Hernandez, M.D., Barret, B., Bechara, J., Borbon, A., Bouarar, I., Cairo, F., Commane, R., Delon, C., Evans, M.J., Fierli, F., Floquet, C., Galy-Lacaux, C., Heard, D.E., Homan, C.D., Ingham, T., Larsen, N., Lewis, A.C., Liousse, C., Murphy, J.G., Orlandi, E., Oram, D.E., Saunois, M., Serca, D., Stewart, D.J., Stone, D., Thouret, V., van Velthoven, P., Williams, J.E. Atmospheric composition of West Africa: highlights from the AMMA international program, Atmospheric Science Letters, 12 (1), S1, 13-18, 2010, DOI: 10.1002/asl.289
Whalley, L.K.; Furneaux, K.L.; Goddard, A.; Lee, J.D.; Mahajan, A.; Oetjen, H.; Read, K.A.; Kaaden, N.; Carpenter, L.J.; Lewis, A.C.; Plane, J.M.C.; Saltzman, E.S.; Wiedensohler, A.; Heard, D.E. The chemistry of OH and HO2 radicals in the boundary layer over the tropical Atlantic Ocean, Atmospheric Chemistry and Physics, 10, 1555-1576, 2010
Malkin, T.L.; Goddard, A.; Heard, D.E.; Seakins, P.W. Measurements of OH and HO2 yields from the gas phase ozonolysis of isoprene, Atmospheric Chemistry and Physics, 10, 1441-1459, 2010
Lee, J.D.; McFiggans, G.; Allan, J.D.; Baker, A.R.; Ball, S.M.; Benton, A.K.; Carpenter, L.J.; Commane, R.; Finley, B.D.; Evans, M.; Fuentes, E.; Furneaux, K.; Goddard, A.; Good, N.; Hamilton, J.F.; Heard, D.E.; Herrmann, H.; Hollingsworth, A.; Hopkins, J.R.; Ingham, T.; Irwin, M.; Jones, C.E.; Jones, R.L.; Keene, W.C.; Lawler, M.J.; Lehmann, S.; Lewis, A.C.; Long, M.S.; Mahajan, A.; Methven, J.; Moller, S.J.; Muller, K.; Muller, T.; Niedermeier, N.; O'Doherty, S.; Oetjen, H.; Plane, J.M.C.; Pszenny, A.A.P.; Read, K.A.; Saiz-Lopez, A.; Saltzman, E.S.; Sander, R.; von Glasow, R.; Whalley, L.; Wiedensohler, A.; Young, D. Reactive Halogens in the Marine Boundary Layer (RHaMBLe): the tropical North Atlantic experiments, Atmospheric Chemistry and Physics, 10, 1031-1055, 2010
Hewitt, C.N.; Lee, J.; Barkley, M.P.; Carslaw, N.; Chappell, N.A.; Coe, H.; Collier, C.; Commane, R.; Davies, F.; DiCarlo, P.; Di Marco, C.F.; Edwards, P.M.; Evans, M.J.; Fowler, D.; Furneaux, K.L.; Gallagher, M.; Guenther, A.; Heard, D.E.; Helfter, C.; Hopkins, J.; Ingham, T,; Irwin, M.; Jones, C.; Karunaharan, A.; Langford, B.; Lewis, A.C.; Lim, S.F.; MacDonald, S.M.; MacKenzie, A.R.; Mahajan, A.S.; Malpass, S.; McFiggans, G.; Mills, G.; Misztal, P.; Moller, S.; Monks, P.S.; Nemitz, E.; Nicolas-Perea, V.; Oetjen, H.; Oram, D.; Palmer, P.I.; Phillips, G.J.; Plane, J.M.C.; Pugh, T.; Pyle, J.A.; Reeves, C.E.; Robinson, N.H.; Stewart, D.; Stone, D.; Whalley, L.K. Oxidant and particle photochemical processes above a south-east Asian tropical rain forest (the OP3 project): introduction, rationale, location characteristics and tools, Atmospheric Chemistry and Physics, 10, 169-199, 2010
Pugh, T.A.M.; MacKenzie, A.R.; Hewitt, C.N.; Langford, B.; Edwards, P.E.; Furneaux, K.L.; Heard, D.E.; Hopkins, J.R.; Jones, C.E.; Karunaharan, A.; Lee, J.; Mills, G.; Misztal, P.; Moller, S.; Monks, P.S.; Whalley, L.K. Simulating atmospheric composition over a South-East Asian tropical rainforest: Performance of a chemistry box model, Atmospheric Chemistry and Physics, 10, 279-29, 2010
2009
Parker, A.E.; Monks, P.S.; Jacob, M.J.; Penkett, S.A., Lewis, A.C.; Stewart, D.J.; Whalley, L.K.; Methven, J.; Stohl, A. Peroxy radicals and ozone photochemistry in air masses undergoing long-range transport, Atmospheric Chemistry and Physics Discussions, 9, 18793-18838, 2009
Ingham, T.; Goddard, A.; Whalley, L.K.; Furneaux, K.L.; Edwards, P.M.; Seal, C.P.; Self, D.E.; Johnson, G.P.; Read, K.A.; Lee, J.D.; Heard, D.E. A flow-tube based laser-induced fluorescence instrument to measure OH reactivity in the troposphere, Atmospheric Measurement Techniques, 2, 465-477, 2009
Carr, S.; Heard, D.E.; Blitz, M.A. Comment on "Atmospheric Hydroxyl Radical Production from Electronically Excited NO2 and H2O", Science, 324 (5925), 336, 2009
Salter, R.J.; Blitz, M.A.; Heard, D.E.; Pilling, M.J.; Seakins, P.W. New Chemical Source of the HCO Radical Following Photoexcitation of Glyoxal, (HCO)2, Journal of Physical Chemistry A, 113 (29), 8278-8285, 2009
Lee, J.D.; Young, J.C.; Read, K.A.; Hamilton, J.F.; Hopkins, J.R.; Lewis, A.C.; Bandy, B.J.; Davey, J.; Edwards, P.; Ingham, T.; Self, D.E.; Smith, S.C.; Pilling, M.J.; Heard, D.E. Measurement and calculation of OH reactivity at a United Kingdom coastal site, Journal of Atmospheric Chemistry, 64 (1), 53-76, 2009
2008
Read, K.A.; Mahajan, A.S.; Carpenter, L.J.; Evans, M.J.; Faria, B.V.E.; Heard, D.E.; Hopkins, J.R.; Lee, J.D.; Moller, S.J.; Lewis, A.C.; Mendes, L.; McQuaid, J.B.; Oetjen, H.; Saiz-Lopez, A.; Pilling, M.J.; Plane, J.M.C. Extensive halogen-mediated ozone destruction over the tropical Atlantic Ocean, Nature, 453(7159), 2332-1235, 2008
Read, K.A.; Lewis, A.C.; Bauguitte, S.; Rankin, A.M.; Salmon, R.A.; Wolff, E.W.; Saiz-Lopez, A.; Bloss, W.J.; Heard, D.E.; Lee, J.D.; Plane, J.M.C. DMS and MSA measurements in the Antarctic Boundary Layer: Impact of BrO on MSA production, Atmospheric Chemistry and Physics, 8 (11), 2985-2997, 2008
Jones, A.E.; Wolff, E.W.; Salmon, R.A.; Bauguitte, S.J.B.; Roscoe, H.K.; Anderson, P.S.; Ames, D.; Clemitshaw, K.C.; Fleming, Z.L.; Bloss, W.J.; Heard, D.E.; Lee, J.D.; Read, K.A.; Hamer, P.; Shallcross, D.E.; Jackson, A.V.; Walker, S.L.; Lewis, A.C.; Mills, G.P.; Plane, J.M.C.; Saiz-Lopez, A.; Sturges, W.T.; Worton, D.R. Chemistry of the Antarctic Boundary Layer and the Interface with Snow: an overview of the CHABLIS campaign, Atmospheric Chemistry and Physics, 8 (14), 3789-3803, 2008
Gravestock, T.J.; Blitz, M.A.; Heard, D.E. A kinetic and spectroscopic study of the CH3I-Cl and ICH2I-Cl adducts, Journal of Physical Chemistry A, 112 (39), 9544-9554, 2008
Bohn, B.; Corlett, G.K.; Gillmann, M.; Sanghavi, S.; Stange, G.; Tensing, E.; Vrekoussis, M.; Bloss, W.J.; Clapp, L.J.; Kortner, M.; Dorn, H.P.; Monks, P.S.; Platt, U.; Plass-Dulmer, C.; Mihalopoulos, N.; Heard, D.E.; Clemitshaw, K.C.; Meixner, F.X.; Prevot, A.S.H.; Schmitt, R. Photolysis frequency measurement techniques: results of a comparison within the ACCENT project, Atmospheric Chemistry and Physics, 8 (17), 5373-5391, 2008
Bale, C.S.E.; Ingham, T.; Commane, R.; Heard, D.E.; Bloss, W.J. Novel measurements of atmospheric iodine species by resonance fluorescence, Journal of Atmospheric Chemistry, 60 (1), 51-70, 2008
Taylor S.E.; Goddard A.; Blitz M.; Cleary P.; Heard, D.E. Pulsed laval nozzle study of the kinetics of OH with unsaturated hydrocarbons at very low temperature, Physical Chemistry Chemical Physics, 10, 422-437, 2008
Wang L.; Heard D.E.; Pilling, M.J.; Seakins, P.W. A Gaussian-3X prediction on the enthalpies of formation of chlorinated Phenols and dibenzo-p-dioxins, Journal of Physical Chemistry A, 112, 1832-1840, 2008
Saiz-Lopez A.; Plane, J.M.C.; Mahajan A.S.; Anderson P.; Bauguitte S.J.B.; Jones A.E.; Roscoe H.K.; Salmon R.A.; Bloss W.; Lee J.D.L.; Heard, D.E. On the vertical distribution of boundary layer halogens over coastal Antarctica: implications for O3, HOx, NOx and the Hg lifetime, Atmospheric Chemistry and Physics, 8, 887-900, 2008
2007
Baeza Romero, M.T.; Glowacki, D.R.; Blitz, M.; Heard, D.E.; Pilling, M.J.; Rickard, A.R.; Seakins, P.W. A combined experimental and theoretical study of the reaction between methylglyoxal and OH/OD radical: OH regeneration, Physical Chemistry Chemical Physics, 9, 4114-4128, 2007
Carr, S.A.; Baeza Romero, M.T.; Blitz, M.; Pilling, M.J.; Heard, D.E.; Seakins, P.W. OH yields from the CH3CO+O2 reaction using an internal standard, Chemical Physics Letters, 445, 108-112, 2007
Glowacki D.R.; Goddard A.; Hemavibool K.; Malkin T.L.; Commane R.; Anderson, F.; Bloss W.; Heard, D.E.; Ingham T.; Pilling, M.J.; Seakins, P.W. Design of and initial results from a Highly Instrumented Reactor for Atmospheric Chemistry (HIRAC), Atmospheric Chemistry and Physics, 7, 5371-5390, 2007
Sommariva R.; Pilling, M.J.; Bloss W.; Heard, D.E.; Lee J.D.L.; Fleming Z.L.; Monks P.S.; Plane, J.M.C.; Saiz-Lopez A.; Ball S.M.; Bitter M.; Jones R.L.; Brough N.; Hopkins J.R.; Penkett S.A.; Lewis A.C.; Read K.A. Night-time radical chemistry during the NAMBLEX campaign, Atmospheric Chemistry and Physics, 7, 587-598, 2007
Grannas, A.M.; Jones, A.E.; Dibb, J.; Ammann, M.; Anastasio, C.; Beine, H.J.; Bergin, M.; Bottenheim, J.; Boxe, C.S.; Carver, G.; Chen, G.; Crawford, J.H.; Domine, F.; Frey, M.M.; Guzman, M.I.; Heard, D.E.; Helmig, D.; Hoffmann, M.R.; Honrath, R.E.; Huey, L.G.; Hutterli, M.; Jacobi, H.W.; Klan, P.; Lefer, B.; McConnell, J.; Plane, J.M.C.; Sander, R.; Savarino, J.; Shepson, P.B.; Simpson, W.R.; Sodeau, J.R.; von Glasow R.; Weller, R.; Wolff, E.W.; Zhu, T. An overview of snow photochemistry: evidence, mechanisms & impacts, Atmospheric Chemistry and Physics, 7, 4329-4373, 2007
Simpson W.R.; von Glasow R.; Riedel, K.; Anderson, P.; Ariya, P.; Bottenheim J.; Burrows, J.; Carpenter L.J.; Friess U.; Goodsite M.E.; Heard D.E.; Hutterli M.; Jacobi H.W.; Kaleschke, L.; Neff, B.; Plane J.M.C.; Platt U.; Richter, A.; Roscoe H.; Sander R.; Shepson, P.; Sodeau J.R.; Steffen, A.; Wagner, T.; Wolff E.W. Halogens and their role in polar boundary-layer ozone depletion, Atmospheric Chemistry and Physics, 7, 4375-4418, 2007
Bloss, W.; Lee J.D.; Heard, D.E.; Salmon, R.A.; Bauguitte, S.J.B.; Roscoe, H.K.; Jones, A.E. Observations of OH and HO2 radicals in coastal Antarctica, Atmospheric Chemistry and Physics, 7, 4171-4185, 2007
Whalley L.K.; Furneaux K.L.; Gravestock T; Atkinson, H.M.; Bale C.; Ingham T.; Bloss W.J.; Heard, D.E. Detection of iodine monoxide radicals in the marine broundary layer using laser induced fluorescence spectroscopy, Journal of Atmospheric Chemistry, 58, 19-39, 2007
Emmerson K.M.; Carslaw N.; Carslaw, D.C.; Lee J.D.; McFiggans G.; Bloss, W.J.; Gravestock T; Heard D.E.; Hopkins J.; Ingham T.; Pilling M.J.; Smith S.C.; Jacob M.; Monks P.S. Free radical modelling studies during the UK TORCH Campaign in Summer 2003, Atmospheric Chemistry and Physics, 7, 167-181, 2007
Lewis A.C.; Evans, M.J.; Methven J.; Watson N.; Lee J.D.; Hopkins J.R.; Purvis R.M.; Arnold, S.R.; McQuaid, J.B.; Whalley, L.K.; Pilling, M.J.; Heard, D.E.; Monks P.S.; Parker A.; Reeves C.E.; Oram D.E.; Mills G.; Bandy B.J.; Coe H. Chemical composition observed over the mid-Atlantic and the detection of pollution signatures far from source regions, Journal of Geophysical Research: Atmospheres, 112, D10S38 , 2007
2006
Sommariva R.; Bloss W.; Brough N.; Carslaw N.; Flynn M.; Haggerstone A.L.; Heard D.E.; Hopkins J.R.; Lee J.D.L.; Lewis A.C.; McFiggans G.; Monks P.S.; Penkett S.A.; Pilling, M.J.; Plane J.M.C.; Read, K.A.; Saiz-Lopez A.; Rickard A.R.; Williams, P.I. OH and HO2 chemistry during NAMBLEX: roles of oxygenates, halogen oxides and heterogeneous uptake, Atmospheric Chemistry and Physics, 6, 1135-1153, 2006
Lee, J.D.L.; Lewis, A.C.; Monks, P.S.; Jacob, M.; Hamilton, J.F.; Hopkins, J.R.; Watson, N.; Saxton, J.; Ennis, C.; Carpenter, L.J.; Carslaw, N.; Fleming, Z.L.; Bandy, B.J.; Oram, D.E.; Penkett, S.A.; Slemr, J.; Norton, E.; Rickard, A.R.; Whalley, L.K.; Heard, D.E.; Bloss, W.; Gravestock, T; Smith, S.; Stanton, J.; Pilling, M.J.; Jenkin, M.E.; Bower, K.; Coe, H.; Cryer, D.; Emmerson, K.M.; Gallagher, M.; Ingham, T.; Johnson, D.; Johnson, G.; McFiggans, G.; McQuaid, J.B.; Mills, G.; Seakins, P.W.; Utembe, S.; Vaughan, G. Ozone photochemistry and elevated isoprene during the U.K. heat wave of August 2003, Atmospheric Environment, 40, 7598-7613, 2006
Heard, D.E. Analytical techniques for atmospheric measurement, Blackwell Publishing, 2006
Cleary P.; Baeza Romero M.T.; Blitz M.; Heard, D.E.; Pilling, M.J.; Seakins, P.W.; Wang L. Determination of the temperature and pressure dependence of the reaction OH + C2H4 from 200-400 K using experimental and master equation analyses, Physical Chemistry Chemical Physics, 8, 5633-5642, 2006
Gorrell, I.B.; Wang, L.M.; Marks, A.J.; Bryant, D.E.; Bouillot, F.; Goddard, A.; Heard, D.E.; Kee, T.P. On the origin of the Murchison meteorite phosphonates. Implications for pre-biotic chemistry, Chemical Communications, 15, 1643-1645, 2006
Blitz M.; Heard D.E.; Pilling, M.J. Study of acetone photodissociation over the wavelength range 248-330 nm: Evidence of a mechanism involving both the singlet and triplet excited states, Journal of Physical Chemistry A, 110, 6742-6756, 2006
Dillon, T.J.; Blitz M.; Heard, D.E. Determination of the rate coefficients for the reactions IO + NO2 + M (Air) -> IONO2 + M and O(3P) + NO2 -> O2 + NO using laser-induced fluorescence spectroscopy, Journal of Physical Chemistry A, 110, 6995-7002, 2006
Fleming Z.L.; Monks P.S.; Rickard A.R.; Heard, D.E.; Bloss, W.; Seakins, P.W.; Still T.J.; Sommariva R.; Pilling, M.J.; Morgan, R.; Green T.J.; Brough, N.; Mills G.P.; Penkett S.A.; Lewis A.C.; Lee J.D.L.; Saiz-Lopez A.; Plane, J.M.C. Peroxy radical chemistry and the control of ozone photochemistry at Mace Head, Ireland during the summer of 2002, Atmospheric Chemistry and Physics, 6, 2193-2214, 2006
Harrison, R.M.; Yin, J.; Tilling, R.M.; Cai, X.; Seakins, P.W.; Hopkins J.; Lansley D.; Lewis A.C.; Hunter M.C.; Heard, D.E.; Carpenter L.J.; Creasy, D.J.; Lee J.D.L.; Pilling, M.J.; Carslaw N.; Emmerson K.M.; Redington, A.; Derwent R.G.; Ryall D.; Mills G.; Penkett S.A. Measurement and modelling of air pollution and atmospheric chemistry in the UK West Midlands conurbation: Overview of the PUMA Consortium project, Science of the Total Environment, 360, 5-25, 2006
Heard, D.E. Atmospheric field measurements of the hydroxyl radical using laser-induced fluorescence spectroscopy, Annual Review of Physical Chemistry, 57, 191-216, 2006
Self D.E.; Plane J.M.C.; Heard, D.E. Kinetic study of the reactions of the sodium dimer (Na2) with a range of atmospheric species, Physical Chemistry Chemical Physics, 8, 3104-3115, 2006
Smith, S.C.; Lee, J.D.L.; Bloss, W.; Johnson, G.P.; Ingham, T.; Heard, D.E. Concentrations of OH and HO2 radicals during NAMBLEX: measurements and steady state analysis, Atmospheric Chemistry and Physics, 6, 1435-1453, 2006
Heard, D.E.; Read, KA.; Methven, J.; Al Haider, S.; Bloss, W.; de Leeuw, G.; Johnson, G.P.; Pilling, M.J.; Seakins, P.W.; Smith, S.C.; Sommariva, R.; Stanton, J.; Still, T.; Brooks, B.J.; Jackson, A.V.; McQuaid, J.B.; Morgan, R.; Smith, M.H.; Carpenter, L.J.; Carslaw, N.; Hamilton, J.F.; Hopkins, J.R.; Lee, J.D.; Lewis, A.C.; Purvis, R.M.; Wevill, D.J.; Brough, N.; Green, T.J.; Mills, G.P.; Penkett, S.A.; Plane, J.M.C.; Saiz-Lopez, A.; Worton, D.; Monks, P.S.; Fleming, Z.L.; Rickard, A.R.; Alfarra, M.; Allan, J.D.; Bower, K.; Coe, H.; Cubison, M.; Flynn, M.; McFiggans, G.; Gallagher, M.W.; Norton, E.G.; O'Dowd, C.D.; Shillito, J.; Topping, D.; Vaughan, G.; Williams, P.; Bitter, M.; Ball, S.M.; Jones, R.L.; Povey, I.M.; O'Doherty, S.; Simmonds, P.G.; Allen, A.; Kinnersley, R.P.; Beddows, D.C.S.; Dall'Osto, M.; Harrison, R.M.; Donovan, R.J.; Heal, M.R.; Jennings, S.G.; Noone, C.; Spain, G. The North Atlantic Marine Boundary Layer Experiment (NAMBLEX). Overview of the Campaign held at Mace Head, Ireland, in Summer 2002, Atmospheric Chemistry and Physics, 6, 2241-2272, 2006
2005
Bloss, W.; Evans M.J.; Lee J.D.L.; Sommariva R.; Heard, D.E.; Pilling, M.J. The oxidative capacity of the troposphere: The oxidative capacity of the troposphere: Coupling of field measurements of OH and a global chemistry transport model, Faraday Discussions, 130, 425-436, 2005
Bloss, W.; Lee J.D.; Johnson G.P.; Sommariva R.; Heard, D.E.; Saiz-Lopez, A.; Plane, J.M.C.; McFiggans, G.; Coe H.; Flynn, M.; Williams, P.; Rickard A.R.; Fleming, Z.L. Impact of halogen monoxide chemistry upon boundary layer OH and HO2 concentrations at a coastal site, Geophysical Research Letters, 32, L06814, 2005
Baeza Romero M.T.; Blitz M.; Heard D.E.; Pilling M.J.; Price B.S.; Seakins P.W. OH formation from C2H5CO + O2 reaction: An experimental marker for the propionyl radical, Chemical Physics Letters, 408, 232-236, 2005
Bloss C.; Wagner V.; Jenkin M.E.; Volkamer R.; Bloss, W.; Lee J.D.L.; Heard, D.E.; Wirtz K.; Martin-Reviejo M.; Rea G.; Wenger J.C.; Pilling M.J. Development of a detailed chemical mechanism (MCMV3.1) for the atmospheric oxidation of aromatic hydrocarbons, Atmospheric Chemistry and Physics, 5, 641-664, 2005
Gravestock T.; Blitz M.; Heard D.E. Kinetics study of the reaction of iodine monoxide radicals with dimethyl sulfide, Physical Chemistry Chemical Physics, 7, 2173-2181, 2005
Baeza Romero M.T.; Blitz M.; Heard D.E.; Pilling M.J.; Price B.S.; Seakins P.W.; Wang L. Photolysis of methylethyl, diethyl and methylvinyl ketones and their role in the atmospheric HOx budget, Faraday Discussions, 130, 73-88, 2005
Emmerson K.M.; Carslaw N.; Carpenter L.J.; Heard, D.E.; Lee J.D.L.; Pilling, M.J. Urban Atmospheric Chemistry During the PUMA Campaign 1: Comparison of modelled OH and HO2 concentrations with measurements, Journal of Atmospheric Chemistry, 52, 142-164, 2005
Blitz M.; Heard D.E.; Pilling, M.J. Wavelength dependent photodissociation of CH3OOH: Quantum yields for CH3O and OH, and measurement of the OH + CH3OOH rate coefficient, Journal of Photochemistry and Photobiology, A: Chemistry, 176, 107-113, 2005
2004
Blitz, M.; Heard, D.E.; Pilling, M.J.; Arnold, S.R.; Chipperfield, M.P. Pressure and temperature-dependent quantum yields for the photodissociation of acetone between 279 and 327.5 nm, Geophysical Research Letters, 31, L06111, 2004
Arnold, S.R.; Chipperfield, M.P.; Blitz, M.; Heard, D.E.; Pilling, M.J. Photodissociation of acetone: Atmospheric implications of temperature-dependent quantum yields, Geophysical Research Letters, 31, L07110, 2004
Bloss, W.; Lee J.D.; Bloss C.; Heard D.E.; Pilling, M.J.; Wirtz K.; Martin-Reviejo M.; Siese M. Validation of the calibration of a laser-induced fluorescence insrument for the measurement of OH radicals in the atmosphere, Atmospheric Chemistry and Physics, 4, 571-583, 2004
Blitz M.; Dillon T.; Heard D.E.; Pilling M.J.; Trought, I.D. Laser induced flourescence studies of the reactions of O(1D2) with N2, 02, N2O, CH4, H2, CO2, Ar, Kr and n-C4H10, Physical Chemistry Chemical Physics, 6, 2162-2171, 2004
Sommariva R.; Haggerstone, A.L.; Carpenter L.J.; Carslaw N.; Creasey D.J.; Heard D.E.; Lee J.D.; Lewis A.C.; Pilling M.J.; Zador, J. OH and HO2 chemistry in clean marine air during SOAPEX-2, Atmospheric Chemistry and Physics, 4, 839-856, 2004
Heard D.E.; Carpenter L.J.; Creasey D.J.; Hopkins J.R.; Lee J.D.L.; Lewis A.C.; Pilling M.J.; Seakins P.W.; Carslaw N.; Emmerson, K.M. High levels of the hydroxyl radical in the winter urban troposphere, Geophysical Research Letters, 31, L18112, 2004
2003
Bell N.; Heard D.E.; Pilling M.J.; Tomlin A.S. Atmospheric lifetime as a probe of radical chemistry in the boundary layer, Atmospheric Environment, 31,2193 - 2205, 2003
Dillon, T.; Heard, D.E. A laser-induced fluorescence study of the O(3P) + CF3I and IO+NO reactions. Evidence for an association channel for O + CF3I at low temperatures, Journal of Photochemistry and Photobiology A: Chemistry, 157, 223-230, 2003
Creasey, D.J.; Evans, G.E.; Heard, D.E.; Lee, J.D.L. Measurements of OH and HO2 concentrations in the Southern Ocean marine boundary layer, Journal of Geophysical Research, 108, 4475, 2003
Heard D.E.; Pilling M.J. Measurement of OH and HO2 in the troposphere, Chemical Reviews, 103, 5163-5198, 2003
Bloss, W.; Gravestock T.; Heard, D.E.; Ingham T.; Johnson G.P.; Lee J.D.L. Application of a compact all solid-state laser system to the in situ detection of astmospheric OH, HO2, NO and IO by laser-induced fluorescence, Journal of Environmental Monitoring, 5, 21-28, 2003
2002
Carslaw, N.; Creasey, D.J.; Heard, D.E.; Jacobs, P.; Lee, J.D.L.; Lewis, A.C.; McQuaid, J.B.; Pilling, M.J.; Bauguitte, S.; Penkett, S.A.; Monks, P.S.; Salisbury, G. Eastern Atlantic Spring Experiment 1997 (EASE97) - 2. Comparisons of model concentrations of OH, HO2, and RO2 with measurements, Journal of Geophysical Research, 107, 4190/ACH5, 2002
Blitz, M.; Heard, D.E.; Pilling, M.J. OH formation from CH3CO+O2: a convenient experimental marker for the acetyl radical, Chemical Physics Letters, 365, 374-379, 2002
Ravishankara, A.R.; Dunlea, E.J.; Blitz, M.; Dillon, T.; Heard, D.E.; Pilling,M.J.; Strekowski, R.S.; Nicovich, J.M.; Wine, P.H. Redetermination of the rate coefficient for the reaction of O(1D) with N2, Geophysical Research Letters, 29, 35, 2002
Creasey, D.J.; Heard, D.E.; Lee, J.D. Eastern Atlantic Spring Experiment 1997 (EASE97) 1. Measurements of OH and HO2 concentrations at Mace Head, Ireland, Journal of Geophysical Research, 107, 4091/ACH3, 2002
Marcy, T.P.; Heard, D.E.; Leone, S.R. Product studies of inelastic and reactive collisions of NH2+NO: Effects of vibrationally and electronically excited NH2, Journal of Physical Chemistry A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 106, 8249-8255, 2002
Heard, D.E. Stratospheric Chemistry and Composition: Hydroxyl Radical, Encyclopedia of Amospheric Sciences, 5, 2185-2193, 2002, Academic Press, Oxford, UK
2001
Carslaw, N.; Creasey, D.J.; Harrison, D.; Heard, D.E.; Hunter, M.; Jacobs, P.; Jenkin, M.E.; Lee, J.D.; Lewis, A.C.; Pilling, M.J.; Saunders, S.M.; Seakins, P.W. OH and HO2 radical chemistry in a forested region of north-western Greece, Atmospheric Environment, 35, 4725-4737, 2001
Salisbury, G.; Rickard, A.R.; Monks, P.S.; Allan, B.J.; Bauguitte, S.; Penkett, S.A.; Carslaw, N.; Lewis, A.C.; Creasey, D.J.; Heard, D.E.; Jacobs, P.; Lee, J. Production of peroxy radicals at night via reactions of ozone and the nitrate radical in the marine boundary layer, Journal of Geophysical Research, 106, 12669-12688, 2001
Creasey, D.J.; Heard, D.E.; Lee, J.D.L. OH and HO2 measurements in a forested region of north-western Greece, Atmospheric Environment, 35, 713-4724, 2001
Marcy, T.P.; Diaz, R.R.; Heard, D.E.; Leone, S.R.; Harding, L.B.; Klippenstein, S.J. Theoretical and experimental investigation of the dynamics of the production of CO from the CH3+O and CD3+O reactions, Journal of Physical Chemistry. A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 105, 8361-8369, 2001
Vakhtin, A.B.; Lee, S.; Heard, D.E.; Smith, I.W.M.; Leone, S.R. Low-temperature kinetics of reactions of OH radical with propene and 1-butene studied by a pulsed Lavel nozzle apparatus with laser-induced fluorescence, Journal of Physical Chemistry. A: Molecules, Spectroscopy, Kinetics, Environment and General Theory, 105, 7889-7895, 2001
Vakhtin, A.B.; Heard, D.E.; Smith, I.W.M.; Leone, S.R. Kinetics of reactions of C2H radical with O2, acetylene, methlyacetylene and allene studied by a pulsed laval nozzle apparatus at T= 103 K, Chemical Physics Letters, 344, 317-324, 2001
Vakhtin, A.B.; Heard, D.E.; Smith, I.W.M.; Leone S.R. Kinetics of C2H radical reactions with ethene, propene and 1-butene measured in a pulsed Laval nozzle apparatus at T= 103 K and 296K, Chemical Physics Letters, 348, 21-26, 2001
2000
Creasey, D.J.; Heard, D.E.; Lee, J.D.L. Absorption cross-section measurements of water vapour and oxygen at 185 nm. Implications for the calibration of field instruments to measure OH, HO2 and RO2 radicals, Geophysical Research Letters, 27, 1651-1654, 2000
Abram, J.P.; Creasey, D.J.; Heard, D.E.; Lee, J.D.L.; Pilling, M.J. Hydroxyl radical and ozone measurements in England during the solar eclipse of 11 August 1999, Geophysical Research Letters, 27, 3437-3440, 2000
1999
Bailey, A.E.; Heard, D.E.; Henderson, D.; Paul, P.H. Collisional quenching of OH (A2Σ+,v'=0) by H2O between 211 and 294 K and the development of a unified model for quenching, Chemical Physics Letters, 302, 132-138, 1999
Carslaw, N.; Creasey, D.J.; Heard, D.E.; Lewis, A.C.; McQuaid, J.B.; Pilling, M.J.; Monks, P.S.; Bandy, B.J.; Penkett, S.A. Modelling OH, HO2 and RO2 radicals in the marine boundary layer: 1. Model construction and comparison with field measurements, Journal of Geophysical Research, 104, 30241-30255, 1999
1998
Zeng, G.; Heard, D.E.; Pilling, M.J.; Robertson, S.H. A master equation study of laser-generated interference in the detection of hydroxyl radicals using laser-induced fluorescence, Geophysical Research Letters, 25, 4497-4500, 1998
1997
Creasey, D.J.; Heard, D.E.; Pilling, M.J.; Whitaker, B.J.; Berzins, M.; Fairlie, R. Visualisation of a supersonic free-jet expansion using laser-induced fluorescence spectroscopy: Application to the measurement of rate constants at ultralow temperatures, Applied Physics B: Lasers and Optics, 65 (3), 375-391, 1997
Creasey, D.J.; Halford-Maw, P.A.; Heard, D.E.; Pilling, M.J.; Whitaker, J.B.C. Implementation and initial deployment of a field instrument for measurement of OH and HO2 in the troposphere by laser-induced fluorescence, Faraday Transactions, 93, 2907-2913, 1997
Lewis, A.C.; Bartle, K.D.; Heard, D.E.; McQuaid, J.B.; Pilling, M.J.; Seakins, P.W. In situ, gas chromatographic measurements of non-methane hydrocarbons and dimethyl sulfide at a remote coastal location (Mace Head, Eire) July-August 1996, Faraday Transactions, 93 (107), 2921-2927, 1997