45. Safi, E., Arnold, T., Rennick, R., Fractionation of Methane Isotopologues during Preparation for Analysis from Ambient Air, Analytical Chemistry, 2024.

44. Charoenpornpukdee, K.; O’Doherty, S.; Webber, E. M.; Hill-Pearce, R.; Hillier, A.; Worton, D. R.; Arnold, T.; Rennick, C.; Safi, E.; Brewer, P., Step Change in Improving the Accuracy of Nitrous Oxide Reference Materials for Underpinning Atmospheric Composition Measurements, Analytical Chemistry, 2023.

43. Defratyka, S. M., France, J. L., Fisher, R. E., Lowry, D., Fernandez, J. M., Bakkaloglu, S., Yver-Kwok, C., Paris, J.-D., Bousquet, P., Arnold, T., Rennick, C., Helmore, J., Yarrow, N., and Nisbet, E. G.: Statistical evaluation of methane isotopic signatures determined during near-source measurements, EGUsphere [preprint],, 2023.

42. Chawner, H., Adcock, K. E., Arnold, T., Artioli, Y., Dylag, C., Forster, G. L., Ganesan, A., Graven, H., Lessin, G., Levy, P., Luijx, I. T., Manning, A., Pickers, P. A., Rennick, C., Rödenbeck, C., and Rigby, M.: Atmospheric oxygen as a tracer for fossil fuel carbon dioxide: a sensitivity study in the UK, EGUsphere [preprint],, 2023.

41. Drinkwater, A., Palmer, P. I., Feng, L., Arnold, T., Lan, X., Michel, S. E., Parker, R., and Boesch, H.: Atmospheric data support a multi-decadal shift in the global methane budget towards natural tropical emissions, Atmos. Chem. Phys., 23, 8429–8452,, 2023.

40. Bergamaschi, P., Segers, A., Brunner, D., Haussaire, J.-M., Henne, S., Ramonet, M., Arnold, T., Biermann, T., Chen, H., Conil, S., Delmotte, M., Forster, G., Frumau, A., Kubistin, D., Lan, X., Leuenberger, M., Lindauer, M., Lopez, M., Manca, G., Müller-Williams, J., O’Doherty, S., Scheeren, B., Steinbacher, M., Trisolino, P., Vítková, G., and Yver Kwok, C.: High-resolution inverse modelling of European CH4 emissions using the novel FLEXPART-COSMO TM5 4DVAR inverse modelling system, Atmos. Chem. Phys., 22, 13243–13268,, 2022.

39. Ramsden, A. E., Ganesan, A. L., Western, L. M., Rigby, M., Manning, A. J., Foulds, A., France, J. L., Barker, P., Levy, P., Say, D., Wisher, A., Arnold, T., Rennick, C., Stanley, K. M., Young, D., and O’Doherty, S.: Quantifying fossil fuel methane emissions using observations of atmospheric ethane and an uncertain emission ratio, Atmos. Chem. Phys., 22, 3911–3929,, 2022

38. Röttger, A.; Röttger, S.; Grossi, C.; Vargas, A.; Curcoll, R.; Otáhal, P.; Hernández-Ceballos, M. Á.; Cinelli, G.; Chambers, S.; Barbosa, S. A.; Ioan, M.-R.; Radulescu, I.; Kikaj, D.; Chung, E.; Arnold, T.; Yver Kwok, C.; Fuente, M.; Mertes, F.; Morosh, V., New metrology for radon at the environmental level. Measurement Science and Technology 2021

37. Chung, E.; Arnold, T., Potential of clumped isotopes in constraining the global atmospheric methane budget. Global Biogeochemical Cycles , 2021, 35, e2020GB006883e2020GB006883
Link to open access accepted version

36. Dacre, H. F., L. M. Western, D. Say, S. O’Doherty, T. Arnold, C. Rennick, and E. Hawkins (2021), Detectability of COVID-19 global emissions reductions in local CO2 concentration measurements, Environmental Research Letters, 16, 094043, 2021

35. Manning, A. J., Redington, A. L., Say, D., O’Doherty, S., Young, D., Simmonds, P. G., Vollmer, M. K., Mühle, J., Arduini, J., Spain, G., Wisher, A., Maione, M., Schuck, T. J., Stanley, K., Reimann, S., Engel, A., Krummel, P. B., Fraser, P. J., Harth, C. M., Salameh, P. K., Weiss, R. F., Gluckman, R., Brown, P. N., Watterson, J. D., and Arnold, T.: Evidence of a recent decline in UK emissions of hydrofluorocarbons determined by the InTEM inverse model and atmospheric measurements, Atmos. Chem. Phys., 21, 12739–12755,, 2021.

34. Rennick, C., T. Arnold, E. Safi, A. Drinkwater, C. Dylag, E. M. Webber, R. Hill-Pearce, D. R. Worton, F. Bausi, and D. Lowry (2021), Boreas: A Sample Preparation-Coupled Laser Spectrometer System for Simultaneous High-Precision In Situ Analysis of δ13C and δ2H from Ambient Air Methane, Analytical Chemistry, doi: 10.1021/acs.analchem.1c01103.
Link to open access accepted version

33. Lunt, M. F., Manning, A. J., Allen, G., Arnold, T., Bauguitte, S. J.-B., Boesch, H., Ganesan, A. L., Grant, A., Helfter, C., Nemitz, E., O’Doherty, S. J., Palmer, P. I., Pitt, J. R., Rennick, C., Say, D., Stanley, K. M., Stavert, A. R., Young, D., and Rigby, M.: Atmospheric observations consistent with reported decline in the UK’s methane emissions (2013–2020), Atmos. Chem. Phys., 21, 16257–16276,, 2021.

32. Weiss, D., G. Northover, M. Hanif, E. García-España, R. Vilar, T. Arnold, T. Markovic, M. Wissuwa, and E. Delgado (2021), Isotope fractionation of zinc in the paddy rice soil-water environment and the role of 2’deoxymugineic acid (DMA) as zincophore under Zn limiting conditions, Chemical Geology, 577, 120271, doi:

31. Simmonds, P. G., Rigby, M., Manning, A. J., Park, S., Stanley, K. M., McCulloch, A., Henne, S., Graziosi, F., Maione, M., Arduini, J., Reimann, S., Vollmer, M. K., Mühle, J., O’Doherty, S., Young, D., Krummel, P. B., Fraser, P. J., Weiss, R. F., Salameh, P. K., Harth, C. M., Park, M.-K., Park, H., Arnold, T., Rennick, C., Steele, L. P., Mitrevski, B., Wang, R. H. J., and Prinn, R. G.: The increasing atmospheric burden of the greenhouse gas sulfur hexafluoride (SF6), Atmos. Chem. Phys., 20, 7271–7290,, 2020.

30. Anita L. Ganesan, Stefan Schwietzke, Benjamin Poulter, Tim Arnold, Xin Lan, Matt Rigby, Felix R. Vogel, Guido R. van der Werf, Greet Janssens‐Maenhout, Hartmut Boesch, Sudhanshu Pandey, Alistair J. Manning, Robert B. Jackson, Euan G. Nisbet, Martin R. Manning, Advancing scientific understanding of the global methane budget in support of the Paris Agreement, Global Biogeochemical Cycles, 33, 1475– 1512., 2019.

29. Mühle, J., Trudinger, C. M., Rigby, M., Western, L. M., Vollmer, M. K., Park, S., Manning, A. J., Say, D., Ganesan, A., Steele, L. P., Ivy, D. J., Arnold, T., Li, S., Stohl, A., Harth, C. M., Salameh, P. K., McCulloch, A., O’Doherty, S., Park, M.-K., Jo, C. O., Young, D., Stanley, K. M., Krummel, P. B., Mitrevski, B., Hermansen, O., Lunder, C., Evangeliou, N., Yao, B., Kim, J., Hmiel, B., Buizert, C., Petrenko, V. V., Arduini, J., Maione, M., Etheridge, D. M., Michalopoulou, E., Czerniak, M., Severinghaus, J. P., Reimann, S., Simmonds, P. G., Fraser, P. J., Prinn, R. G., and Weiss, R. F.: Perfluorocyclobutane (PFC-318, c-C4F8) in the global atmosphere, Atmos. Chem. Phys., 19, 10335–10359,, 2019.

28. Stavert, A. R., O’Doherty, S., Stanley, K., Young, D., Manning, A. J., Lunt, M. F., Rennick, C., and Arnold, T., UK greenhouse gas measurements at two new tall towers for aiding emissions verification, Atmos. Meas. Tech., 12, 4495–4518,, 2019.

27. Brophy, K., Graven, H., Manning, A. J., White, E., Arnold, T., Fischer, M. L., Jeong, S., Cui, X., and Rigby, M.: Characterizing Uncertainties in Atmospheric Inversions of Fossil Fuel CO2 Emissions in California, Atmos. Chem. Phys., 19, 2991–3006, 2019.

26. Arnold, T., Manning, A., Kim, J., Li, S., Webster, H., Thomson, D., Mühle, J., Weiss, R.F., Park, S., and O’Doherty, S., Inverse modelling of CF4 and NF3 emissions in East Asia, Atmos. Chem. Phys., 18, 13305-13320,, 2018.

25. Prinn, R. G., Weiss, R. F., Arduini, J., Arnold, T., DeWitt, H. L., Fraser, P. J., Ganesan, A. L., Gasore, J., Harth, C. M., Hermansen, O., Kim, J., Krummel, P. B., Li, S., Loh, Z. M., Lunder, C. R., Maione, M., Manning, A. J., Miller, B. R., Mitrevski, B., Mühle, J., O’Doherty, S., Park, S., Reimann, S., Rigby, M., Saito, T., Salameh, P. K., Schmidt, R., Simmonds, P. G., Steele, L. P., Vollmer, M. K., Wang, R. H., Yao, B., Yokouchi, Y., Young, D., and Zhou, L.: History of chemically and radiatively important atmospheric gases from the Advanced Global Atmospheric Gases Experiment (AGAGE), Earth Syst. Sci. Data, 10, 985-1018,, 2018

24. Bergamaschi, P., Karstens, U., Manning, A. J., Saunois, M., Tsuruta, A., Berchet, A., Vermeulen, A. T., Arnold, T., Janssens-Maenhout, G., Hammer, S., Levin, I., Schmidt , M., Ramonet, M., Lopez, M., Lavric, J., Aalto, T., Chen, H., Feist, D. G., Gerbig, C., Haszpra, L., Hermansen, O., Manca, G., Moncrieff, J., Meinhardt, F., Necki, J., Galkowski, M., O’Doherty, S., Paramonova, N., Scheeren, H. A., Steinbacher, M., and Dlugokencky, E.: Inverse modelling of European CH4 emissions during 2006–2012 using different inverse models and reassessed atmospheric observations, Atmos. Chem. Phys. 2018, 18, 901-920,,

23. Brunner, D., Arnold, T., Henne, S., Manning, A., Thompson, R.L., Maione, M., O’Doherty, S., Reimann, S., Comparison of four inverse modelling systems applied to the estimation of HFC-125, HFC-134a and SF6 emissions over Europe, Atmos. Chem. Phys. 2017, 17, 10651–10674,

22. Simmonds, P.G., M. Rigby, A. Manning, M. Lunt, S. O’Doherty, D. Young, A. McCulloch, P. Fraser, S. Henne, M. Vollmer, S. Reimann, A. Wenger, J. Mulhe, C. Harth, P. Salameh, T. Arnold, R. Weiss, P. Krummel, P. Steele, B. Dunse, B. Miller, C. Lunder, O. Hermansen, N. Schmidbauer, T. Saito, Y. Yokouchi, S. Park, S. Li, B. Yao, L. Zhou, J. Arduini, M. Maione, R. Wang, and R. Prinn, Global and regional emissions estimates of 1,1-difluoroethane (HFC-152a, CH3CHF2) from in situ and air archive observations, Atmos. Chem. Phys. 2016, 16, 365–382.

21. Lunt, MF, Rigby, M, Ganesan, AL, Manning, AJ, Prinn, RG, O’Doherty, S, Mühle, J, Harth, CM, Salameh, PK, Arnold, T, Weiss, RF, Saito, T, Yokouchi, Y, Krummel, PB, Steele, LP, Fraser, PJ, Li, S, Park, S, Reimann, S, Vollmer, MK, Lunder, C, Hermansen, O, Schmidbauer, N, Maione, M, Arduini, J, Young, D, and Simmonds, PG, Reconciling reported and unreported HFC emissions with atmospheric observations. Proceedings of the National Academy of Sciences of the United States of America 2015, 112, 5927–5931.

20. Arnold, T., Markovic T, Kirk GJD, Schönbächler M, Rehkämper M, Zhao FJ, Weiss DJ, Weiss DJ, Iron and zinc isotope fractionation during uptake and translocation in rice (Oryza sativa) grown in oxic and anoxic soils, Comptes Rendus Geoscience. 2015, 347, 397–404.

19. Patra, P.K., Krol, M.C., Montzka, S.A., Arnold, T., Atlas, E. L., Lintner, B.R., Stephens, B. B., Xiang, B., Elkins, J.W., Fraser, P. B., Ghosh, A., Hintsa, E.J., Hurst, D.F., Ishijima, K., Krummel, P.B., Miller, B.R., Miyazaki, K., Moore, F.L., Mühle, J., O’Doherty, S., Prinn, R.G., Steele, L.P., Takigawa, M., Wang, H.J., Weiss, R.F., Wofsy, S.C., Young, D., Observational evidence for interhemispheric hydroxyl-radical parity, Nature 2014, 513, 219–223.

18. O’Doherty, S., Rigby, M., Mühle, J., Ivy, D.J., Miller, B.R., Young, D., Simmonds, P.G., Reimann, S., Vollmer, M., Krummel, P.B., Fraser, P.J., Steele, L.P., Dunse, B., Salameh, P.K., Harth, C.M., Arnold, T., Weiss, R.F., Kim, J., Park, S., Li, S., Lunder, C., Hermansen, O., Schmidbauer, N., Zhou, L.X., Yao, B., Wang, R.H.J., Manning, A., Prinn, R.G., Global emissions of HFC-143a (CH3CF3) and HFC-32 (CH2F2) from in situ and air archive atmospheric observations, Atmospheric Chemistry and Physics 2014, 14, 6471-6500.

17. Kim, J., Fraser, P.J., Li, S., Mühle, J., Ganesan, A.L., Krummel, P.B., Steele, L.P., Park, S., Kim, S.-K., Park, M.-K., Arnold, T., Harth, C.M., Salameh, P.K., Prinn, R.G., Weiss, R.F., Kim, K.-R., Quantifying aluminum and semiconductor industry perfluorocarbon emissions from atmospheric measurements, Geophysical Research Letters 2014, 41, 4787–4794.

16. Arnold, T., Ivy, D.J., Harth, C.M., Vollmer M.K., Mühle, J., Salameh, P.K., Steele, L.P., Krummel, P.B., Wang, R.H.J., Young, D, Lunder, C.R., Hermansen, O., Rhee, T.S., Kim, J., Reimann, S., O’Doherty, S., Fraser, P.J., Simmonds, P.G., Prinn, R.G., and Weiss, R.F., HFC‑43‑10mee atmospheric abundances and global emission estimates, Geophysical Research Letters 2014, 41(6), 2228-2235.

15. Rigby, M., Prinn, R.G., O’Doherty, S., McCulloch, A., Miller, B., Mühle, J., Harth, C., Salameh, P., Arnold, T., Weiss, R., Krummel, P., Steele, L.P., Fraser, P.J., Ivy, D., Young, D., Simmonds, P., Recent and future trends in synthetic greenhouse gas radiative forcing. Geophysical Research Letters 2014, 41(7), 2623-2630.

14. Arnold, T., Harth, C.M., Mühle, J., Salameh, P.K., Manning, A.J., Ivy, D.J., Steele, L.P., Kim, J., Petrenko, V.V., Severinghaus, J.P., Baggenstos, D. and Weiss, R.F., Nitrogen trifluoride global emissions estimated from updated atmospheric measurements, Proceedings of the National Academy of Sciences USA 2013, 110, 2029-2034.

13. Arnold, T., Mühle, J., Salameh, P.K., Harth, C.M., Ivy, D.J., Weiss, R.F., Automated measurement of nitrogen trifluoride in ambient air, Analytical Chemistry 2012, 84, 4798-4804.

12. Ivy, D.J., Arnold, T., Harth, C.M., Steele, L.P., Mühle, J., Rigby, M., Salameh, P.K., Leist, M., Krummel, P.B., Fraser, P.J., Weiss, R.F., Prinn, R.G., Atmospheric histories and growth trends of C4F10, C5F12, C6F14, C7F16 and C8F18, Atmospheric Chemistry and Physics 2012, 12, 4313-4325.

11. Li, S., Kim, J., Kim, K-R., Kim, S-K., Park, M-K., Mühle, J., Stohl, A., Kang, D-J., Arnold, T., Harth, C.M., Salameh, P.K., Weiss, R.F., Emissions of halogenated compounds in East Asia determined from measurements at Jeju Island, Korea, Environmental Science and Technology 2011, 45, 5668-5675.

10. Vollmer, M.K., Miller, B.R., Rigby, M., Reimann, S., Mühle, J., Krummel, P.B., O’Doherty, S., Kim, J., Rhee, T.S., Weiss, R.F., Fraser, P.J., Simmonds, P.G., Salameh, P.K., Harth, C.M., Wang, R.H.J., Steele, L.P., Young, D., Lunder, C.R., Hermansen, O., Ivy, D., Arnold, T., Schmidbauer, N., Kim, K.-R., Greally, B.R., Hill, M., Leist, M., Wenger, A., Prinn, R.G., Atmospheric histories and global emissions of the anthropogenic hydrofluorocarbons (HFCs) HFC-365mfc, HFC-245fa, HFC-227ea, and HFC-236fa, Journal of Geophysical Research 2011, 116, D08304.

9. Dekova, V.M., Cuadros, J., Kamenov, G.D., Weiss, D, Arnold, T., Basak, C., Rochette, P., Metalliferous sediments from the H.M.S. Challenger voyage (1872-1876), Geochimica Et Cosmochimica Acta 2010, 74, 5019-5038.

8. Arnold, T., Schonbachler, M., Rehkamper, M., Dong, S., Zhao, F.J., Kirk, G.J.D., Coles, B.J., Weiss, D.J., Measurement of zinc stable isotope ratios in biogeochemical matrices by double spike MC-ICPMS and determination of the isotope ratio pool available for plants from soil, Analytical and Bioanalytical Chemistry 2010, 398, 3115-3125.

7. Arnold, T., Kirk, G.J.D., Wissuwa, M., Frei, M., Zhao, F.J., Mason, F.D., Weiss, D.J., Evidence for the mechanisms of Zn uptake by rice using isotope fractionation, Plant, Cell & Environment 2010, 33, 370-381.

6. Gioia, S., Weiss, D., Coles, B., Arnold, T., Babinski, M., Accurate and precise zinc isotope ratio measurements in urban aerosols. Analytical Chemistry 2008, 80, 9776-9780.

5. Arnold, T., Harvey, J. N., Weiss, D. J., An experimental and theoretical investigation into the use of H2 for the simultaneous removal of ArO+ and ArOH+ isobaric interferences during Fe isotope ratio analysis with MC-ICP-MS. Spectrochimica Acta Part B: Atomic Spectroscopy 2008, 63, 666-672.

4. Weiss, D. J., Schoenberg, R., McLaughlin, M., Rehkamper, M., Campbell, P. G. C., Arnold, T., Chapman, J., Peel, K.; Gioia, S., Kirby, J., Application of non-traditional stable isotope systems to the study of sources and fate of metals in the environment. Environmental Science & Technology 2008, 42, 655-664.

3. Peel, K., Weiss, D., Chapman, J., Arnold, T., Coles, B., A simple combined sample-standard bracketing and inter-element correction procedure for accurate mass bias correction and precise Zn and Cu isotope ratio measurements. Journal of Analytical Atomic Spectrometry 2008, 23, 103-110.

2. Weiss, D. J., Rausch, N., Mason, T. F. D., Coles, B. J., Wilkinson, J. J., Ukonmaanaho, L., Arnold, T., Nieminen, T. M., Atmospheric deposition and isotope biogeochemistry of zinc in ombrotrophic peat. Geochimica Et Cosmochimica Acta 2007, 71, 3498-3517.

1. Watkins, R., Weiss, D., Dubbin, W., Peel, K., Coles, B., Arnold, T., Investigations into the kinetics and thermodynamics of Sb(III) adsorption on goethite (alpha-FeOOH). Journal of Colloid and Interface Science 2006, 303, 639-646.