Staff profiles

Jocelyn TurnbullRadiocarbon Science Leader / Lead Scientist - Rafter Radiocarbon Laboratory

Turnbull Jocelyn 2444


Environmental Processes and Modelling

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  • BSc, Chemistry/Mathematics
  • PhD, Geological Sciences
  • BSc(Hons), Chemistry

Areas of expertise

  • Radiocarbon: tracking biological cycling
  • Radiocarbon: New preparation procedures
  • Radiocarbon: Radiocarbon information management
  • Radiocarbon: Quality assurance
  • Radiocarbon: modelling
  • Radiocarbon: Atmospheric applications
  • Radiocarbon: High precision measurement
  • Radiocarbon: Aging of post-bomb materials
  • Radiocarbon: Carbon cycle
  • Radiocarbon: Atmospheric distribution of radiocarbon
  • Radiocarbon: Fossil fuel emission quantification
  • Radiocarbon: Urban anthropogenic emissions
  • Radiocarbon: Ocean carbon exchange processes

Major Publications

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  • Ginnane, C.E.; Turnbull, J.C.; Naeher, S.; Rosenheim, B.E.; Venturelli, R.A.; Phillips, A.M.; Reeve, S.; Parry-Thompson, J.; Zondervan, A.; Levy, R.H.; Yoo, K.-C.; Dunbar, G.; Calkin, T.; Escutia, C.; Gutierrez Pastor, J. 2024. Advancing Antarctic sediment chronology through combined ramped pyrolysis oxidation and pyrolysis-GC-MS, Radiocarbon <i>Online first</i>: 20 p.. DOI: 10.1017/RDC.2023.116. 20 p.
  • Schwartz, S.E.; Hua, Q.; Andrews, D.E.; Keeling, R.F.; Lehman, S.J.; Turnbull, J.C.; Reimer, P.J.; Miller, J.B.; Meijer, H.A.J. 2024. Discussion : presentation of atmospheric 14CO2 data, Radiocarbon 66(2): p. 386-399. DOI: 10.1017/RDC.2024.27. p. 386-399
  • Clark, K.J.; Turnbull, J.C.; Marshall, B.A.; Ferrick, T.W.A.; Howarth, J.D. 2024. Comprehensive update of marine reservoir values for New Zealand coastal waters to inform coastal hazard research, Radiocarbon 65(6): p. 1253-1279. DOI: 10.1017/RDC.2023.120. p. 1253-1279
  • Monteiro, V.; Turnbull, J.C.; Miles, N.L.; Davis, K.J.; Barkley, Z.R.; Deng, A. 2024. Assimilating morning, evening, and nighttime greenhouse gas observations in atmospheric inversions, Journal of Geophysical Research. Atmospheres : 29 p.. DOI: 10.22541/essoar.171007090.01499748/v1. 29 p.
  • Liu, W.; Niu, Z.; Feng, X.; Zhou, W.; Liang, D.; Lyu, M.; Wang, G.; Lu, X.; Liu, L.; Turnbull, J.C. 2024. Atmospheric CO2 and 14CO2 observations at the northern foot of the Qinling Mountains in China: Temporal characteristics and source quantification, Science of the Total Environment 920: 52 p.. DOI: 10.1016/j.scitotenv.2024.170682. 52 p.
  • Litchfield, N.J.; Morgenstern, R.; Clark, K.J.; Howell, A.; Grant, G.R.; Turnbull, J.C. 2023. Holocene marine terraces as recorders of earthquake uplift : insights from a rocky coast in southern Hawke’s Bay, New Zealand, Earth Surface Processes and Landforms 48(2): p. 452-474. DOI: 10.1002/esp.5496. p. 452-474
  • Keller, E.D.; Hilton, T.W.; Benson, A.; Karalliyadda, S.; Xie, S.; Gurney, K.R.; Turnbull, J.C. 2023. Mahuika-Auckland : a spatially and temporally resolved fossil fuel CO2 emissions data product for Auckland, New Zealand, Geoscience Data Journal 10(3): p. 347-367. DOI: 10.1002/gdj3.181. p. 347-367
  • Eglinton, T.I.; Graven, H.D.; Raymond, P.A.; Trumbore, S.E.; Aluwihare, L.; Bard, E.; Basu, S.; Friedlingstein, P.; Hammer, S.; Lester, J.; Sanderman, J.; Schuur, E.A.G.; Sierra, C.A.; Synal, H.-A.; Turnbull, J.C.; Wacker, L. 2023. Making the case for an international decade of radiocarbon, Philosophical Transactions of the Royal Society of London. Series A, Mathematical, Physical and Engineering Sciences 381(2261): 9 p.. DOI: 10.1098/rsta.2023.0081. 9 p.
  • Young, H.A.; Turnbull, J.C.; Keller, E.D.; Domingues, L.G.; Parry-Thompson, J.; Hilton, T.W.; Brailsford, G.W.; Gray, S.; Moss, R.C.; Mikaloff-Fletcher, S. 2023. Urban flask measurements of CO2ff and CO to identify emission sources at different site types in Auckland, New Zealand, Philosophical Transactions of the Royal Society of London. Series A, Mathematical, Physical and Engineering Sciences 381: 17 p.. DOI: 10.1098/rsta.2022.0204. 17 p.
  • Moguel, R.G.; Vogel, F.; Ars, S.; Scheafer, H.; Turnbull, J.C.; Douglas, P.M.J. 2022. Using carbon-14 and carbon-13 measurements for source attribution of atmospheric methane in the Athabasca oil sands region, Atmospheric chemistry and physics 22(3): p. 2021-2133. DOI: 10.5194/acp-22-2121-2022. p. 2021-2133
  • Turnbull, J.C.; Lowe, D.C.; Manning, M.R.; Sparks, R. 2022. Radiocarbon and atmospheric 14CO2 pioneer Athol Rafter, Radiocarbon 64(3): p. 435-443. DOI: 10.1017/RDC.2021.88. p. 435-443
  • Hua, Q.; Turnbull, J.C.; Santos, G.M.; Rakowski, A.Z.; Ancapichún, S.; De Pol-Holz, R.; Hammer, S.; Lehman, S.J.; Levin, I.; Miller, J.B.; Palmer, J.G.; Turney, C.S.M. 2022. Atmospheric radiocarbon for the period 1950-2019, Radiocarbon 64(4): p. 723-745. DOI: 10.1017/RDC.2021.95. p. 723-745
  • Monteiro, V.; Miles, N.L.; Richardson, S.J.; Turnbull, J.C.; Karrion, A.; Kim, J.; Mitchell, L.; Lin, J.C.; Sargent, M.; Wofsy, S.; Vogel, F.; Davis, K.J. 2022. The impact of the COVID-19 lockdown on greenhouse gases : a multi-city analysis of in situ atmospheric observations, Environmental Research Communications 4(4): article 041004. DOI: 10.1088/2515-7620/ac66cb. article 041004
  • Mitchell, L.E.; Lin, J.C.; Hutyra, L.R.; Bowling, D.R.; Cohen, R.C.; Davis, K.J.; DiGangi, E.; Duren, R.M.; Ehleringer, J.R.; Fain, C.; Falk, M.; Guha, A.; Karion, A.; Keeling, R.F.; Kim, J.; Miles, N.L.; Miller, C.E.; Newman, S.; Pataki, D.E.; Prinzivall 2022. A multi-city urban atmospheric greenhouse gas measurement data synthesis, Scientific Data 9: article 361. DOI: 10.1038/s41597-022-01467-3. article 361
  • Wu, K.; Davis, K.J.; Miles, N.L.; Richardson, S.J.; Lauvaux, T.; Sarmiento, D.P.; Balashov, N.V.; Keller, K.; Turnbull, J.C.; Gurney, K.R.; Liang, J.; Roest, G. 2022. Source decomposition of eddy-covariance CO2 flux measurements for evaluating a high-resolution urban CO2 emissions inventory, Environmental Research Letters 17(7): article 074035. DOI: 10.1088/1748-9326/ac7c29. article 074035
  • Turnbull, J.C.; Domingues, L.C.; Turton, N. 2022. Dramatic lockdown fossil fuel CO2 decrease detected by citizen science-supported atmospheric radiocarbon observations, Environmental science & technology 56(14): p. 9882-9890. DOI: 10.1021/acs.est.1c07994. p. 9882-9890
  • Miles, N.L.; Davis, K.J.; Richardson, S.J.; Lauvaux, T.; Martins, D.K.; Deng, A.J.; Balashov, N.; Gurney, K.R.; Liang, J.; Roest, G.; Wang, J.A.; Turnbull, J.C. 2021. The influence of near-field fluxes on seasonal carbon dioxide enhancements : results from the Indianapolis Flux Experiment (INFLUX), Carbon Balance and Management 16: article 4. DOI: 10.1186/s13021-020-00166-z. article 4
  • Rogers, K.M.; Turnbull, J.C.; Dahl, J.A.; Phillips, A.M.; Bridson, J.; Raymond, L.G.; Liu, Z.; Yuan, Y.; Hill, S.J. 2021. Authenticating bioplastics using carbon and hydrogen stable isotopes – An alternative analytical approach, Rapid Communications in Mass Spectrometry 35(9): article e9051. DOI: 10.1002/rcm.9051. article e9051
  • Ancapichún, S.; De Pol-Holz, R.; Christie, D.A.; Santos, G.M.; Collado-Fabbri, S.; Garreaud, R.; Lambert, F.; Orfanoz-Cheuquelaf, A.; Rojas, M.; Southon, J.; Turnbull, J.C.; Creasman, P.P. 2021. Radiocarbon bomb-peak signal in tree-rings from the tropical Andes register low latitude atmospheric dynamics in the Southern Hemisphere, Science of the Total Environment 774: article 145126. DOI: 10.1016/j.scitotenv.2021.145126. article 145126
  • Lee, H.; Dlugokencky, E.J.; Turnbull, J.C.; Lee, S.; Lehman, S.J.; Miller, J.B.; Pétron, G.; Lim, J.-S.; Lee, G.-W.; Lee, S.-S.; Park, Y.-S. 2020. Observations of atmospheric 14CO2 at Anmyeondo GAW station, South Korea : implications for fossil fuel CO2 and emission ratios, Atmospheric chemistry and physics 20: p. 12033-12045. DOI: 10.5194/acp-20-12033-2020. p. 12033-12045
  • Norris, M.W.; Turnbull, J.C.; Howarth, J.D.; Vandergoes, M.J. 2020. Pretreatment of terrestrial macrofossils, Radiocarbon 62(2): p. 349-360. DOI: 10.1017/RDC.2020.8. p. 349-360
  • Lauvaux, T.; Gurney, K.R.; Miles, N.L.; Davis, K.J.; Richardson, S.J.; Deng, A.; Nathan, B.J.; Oda, T.; Wang, J.A.; Hutyra, L.; Turnbull, J.C. 2020. Policy-relevant assessment of urban CO2 emissions, Environmental science & technology 54(16): p. 10237-10245. DOI: 10.1021/acs.est.0c00343. p. 10237-10245
  • Domingues, L.G.; Gatti, L.V.; Aquino, A.; Sanchez, A.; Correla, C.; Gloor, M.; Peters, W.; Miller, J.; Turnbull, J.C.; Santana, R.; Marani, L.; Câmara, G.; Neves, R.; Crispin, S. 2020. A new background method for greenhouse gases flux calculation based in back-trajectories over the Amazon, Atmosphere 11(7): article 734. DOI: 10.3390/atmos11070734. article 734
  • Sand, C.; Grant-Mackie, J.A.; Campbell, H.J.; Turnbull, J.C. 2019. Seashore settlement patterns in the Koné and Naïa periods : case studies from southwestern New Caledonia, Journal of Island and Coastal Archaeology 14(1): p. 130-142. DOI: 10.1080/15564894.2018.1513101. p. 130-142
  • Vimont, I.J.; Turnbull, J.C.; Petrenko, V.V.; Place, P.F.; Sweeney, C.; Miles, N.; Richardson, S.; Vaughn, B.H.; White, J.W.C. 2019. An improved estimate for the [delta]13C and [delta]18C signatures of carbon monoxide produced from atmospheric oxidation of volatile organic compounds, Atmospheric chemistry and physics 19(13): p. 8547-8562. DOI: 10.5194/acp-19-8547-2019. p. 8547-8562
  • Clark, K.J.; Howarth, J.D.; Litchfield, N.J.; Cochran, U.A.; Turnbull, J.C.; Dowling, L.; Howell, A.; Berryman, K.R.; Wolfe, F. 2019. Geological evidence for past large earthquakes and tsunamis along the Hikurangi subduction margin, New Zealand, Marine Geology 412: p. 139-172. DOI: 10.1016/j.margeo.2019.03.004. p. 139-172
  • Turnbull, J.C.; Karion, A.; Davis, K.J.; Lauvaux, T.; Miles, N.L.; Richardson, S.J.; Sweeney, C.; McKain, K.; Lehman, S.J.; Gurney, K.R.; Patarasuk, R.; Liang, J.; Shepson, P.B.; Heimburger, A.; Harvey, R.; Whetstone, J. 2019. Synthesis of urban CO2 emission estimates from multiple methods from the Indianapolis Flux Project (INFLUX), Environmental science & technology 53(1): p. 287-295. DOI: 10.1021/acs.est.8b05552. p. 287-295
  • Vimont, I.J.; Turnbull, J.C.; Petrenko, V.V.; Place, P.F.; Sweeney, C.; Miles, N.; Richardson, S.; Vaughn, B.H.; White, J.W.C. 2018. Stable isotope measurements confirm volatile organic compound oxidation as a major urban summertime source of carbon monoxide in Indianapolis, USA, Atmospheric chemistry and physics discussions : DOI: 10.5194/acp-2018-506.
  • Vandergoes, M.J.; Howarth, J.D.; Dunbar, G.B.; Turnbull, J.C.; Roop, H.A.; Levy, R.H.; Li, X.; Prior, C.A.; Norris, M.W.; Keller, E.D.; Baisden, W.T.; Ditchburn, R.G.; Fitzsimons, S.J.; Bronk Ramsey, C. 2018. Integrating chronological uncertainties for laminated lake sediments, Quaternary Science Reviews 188: p. 104-120. DOI: 10.1016/j.quascirev.2018.03.015. p. 104-120
  • Nathan, B.; Lauvaux, T.; Turnbull, J.C.; Gurney, K. 2018. Investigations into the use of multi-species measurements for source apportionment of the Indianapolis fossil fuel CO2 signal, Elementa : Science of the Anthropocene 6(1): article 21. DOI: 10.1525/elementa.131. article 21
  • Nathan, B.J.; Lauvaux, T.; Turnbull, J.C.; Richardson, S.J.; Miles, N.L.; Gurney, K.R. 2018. Source sector attribution of CO2 emissions using an urban CO/CO2 Bayesian inversion system, Journal of Geophysical Research. Atmospheres 123(23): p. 13,611-13,621. DOI: 10.1029/2018JD029231. p. 13,611-13,621
  • Hammer, S.; Friedrich, R.; Kromer, B.; Cherkinsky, A.; Lehman, S.; Meijer, H.A.J.; Nakamura, T.; Palonen, V.; Reimer, R.W.; Smith, A.M.; Southon ,J.R.; Szidat, S.; Turnbull, J.C.; Uchida, M. 2017. Compatibility of atmospheric 14CO2 measurements : comparing the Heidelberg low-level counting facility to international accelerator mass spectrometry (AMS) laboratories, Radiocarbon 59(3): p. 875-883. DOI: 10.1017/RDC.2016.62. p. 875-883
  • Davis, K.J.; Deng, A.; Lavaux, T.; Miles, N.L.; Richardson, S.J.; Sarmiento, D.P.; Gurney, K.R.; Hardesty, R.M.; Bonin, T.A.; Brewer, W.A.; Lamb, B.K.; Shepson, P.B.; Harvey, R.M.; Cambaliza, M.O.; Sweeney, C.; Turnbull, J.C.; Whetstone, J.; Karion, A. 2017. The Indianapolis Flux Experiment (INFLUX): A test-bed for developing urban greenhouse gas emission measurements, Elementa : Science of the Anthropocene 5: article 21. article 21
  • LaFranchi, B.W.; McFarlane, K.J.; Miller, J.B.; Lehman, S.J.; Phillips, C.L.; Andrews, A.E.; Tans, P.P.; Chen, H.; Liu, Z.; Turnbull, J.C.; Xu, X.; Guilderson, T.P. 2016. Strong regional atmospheric 14C signature of respired CO2 observed from a tall tower over the midwestern United States, Journal of Geophysical Research. Biogeosciences 121(8): p. 2275-2295. DOI: 10.1002/2015JG003271. p. 2275-2295
  • Turnbull, J.C.; Keller, E.D.; Baisden, W.T.; Brailsford, G.; Bromley, T.; Norris, M.W.; Zondervan, A. 2014. Atmospheric measurement of point source fossil CO2 emissions, Atmospheric chemistry and physics 14(10): p. 50001-5014. DOI: 10.5194/acp-14-5001-2014. p. 50001-5014
  • LaFranchi, B.W.; Petron, G.; Miller, J.B.; Lehman, S.J.; Andrews, A.E.; Dlugokencky, E.J.; Hall, B.; Miller, B.R.; Montzka, S.A.; Neff, W.; Novelli, P.C.; Sweeney, C.; Turnbull, J.C.; Wolfe, D.E.; Tans, P.P.; Gurney, K.R.; Guilderson, T.P. 2013. Constraints on emissions of carbon monoxide, methane, and a suite of hydrocarbons in the Colorado Front Range using observations of 14CO2, Atmospheric chemistry and physics 13(21): p. 111101-11120; doi: 10.5194/acp-13-11101-2013. p. 111101-11120; doi: 10.5194/acp-13-11101-2013
  • Baisden, W.T.; Prior, C.A.; Chambers, D.M.; Canessa, S.; Phillips, A.M.; Bertrand, C.J.H.; Zondervan, A.; Turnbull, J.C.; Kaiser, J.; Bruhn, F. 2013. Rafter radiocarbon sample preparation and data flow : accommodating enhanced throughput and precision, Accelerator mass spectrometry : proceedings of the Twelfth International Conference on Accelerator Mass Spectrometry (AMS-12), Wellington, New Zealand, 20-25 March 2011 : p. 194-198. DOI: 10.1016/j.nimb.2012.07.014. Nuclear instruments and methods in physics research. Section B, Beam interactions with materials and atoms 294 p. 194-198
  • Miller, J.B.; Lehman, S.J.; Montzka, S.A.; Sweeney, C.; Miller, B.R.; Karion, A.; Wolak, C.; Dlugokencky, E.J.; Southon, J.R.; Turnbull, J.C.; Tans, P.P. 2012. Linking emissions of fossil fuel CO2 and other anthropogenic trace gases using atmospheric 14CO2, Journal of Geophysical Research. Atmospheres 117: D08302. DOI: 10.1029/2011JD017048. D08302
  • Turnbull, J.C.; Guenther, D.; Karion, A.; Sweeney, C.; Anderson, E.; Andrews, A.; Kofler, J.; Miles, N.; Newberger, T.; Richardson, S.; Tans, P. 2012. An integrated flask sample collection system for greenhouse gas measurements, Atmospheric Measurement Techniques 5(9): p. 2321-2327. p. 2321-2327
  • Turnbull, J.C.; Tans, P.P.; Lehman, S.J.; Baker, D.; Conway, T.J.; Chung, Y.S.; Gregg, J.; Miller, J.B.; Southon, J.R.; Zhou, L-X. 2011. Atmospheric observations of carbon monoxide and fossil fuel CO2 emissions from East Asia, Journal of Geophysical Research. Atmospheres 116: D24306. DOI: 10.1029/2011JD016691. D24306
  • Turnbull, J.C.; Karion, A.; Fischer, M.L.; Faloona, I.; Guilderson, T.; Lehman, S.J.; Miller, B.R.; Miller, J.B.; Montzka, S.; Sherwood, T.; Saripalli, S.; Sweeney, C.; Tans, P.P. 2011. Assessment of fossil fuel carbon dioxide and other anthropogenic trace gas emissions from airborne measurements over Sacramento, California in spring 2009, Atmospheric chemistry and physics 11: p. 705-721. p. 705-721
  • Lehman, S.; Miller, J.; Turnbull, J.C.; Southon, J.; Tans, P.; Sweeney, C. 2011. 14CO2 measurements in the NOAA/ESRL Global Co-operative Sampling Network : an update on measurements and data quality, 15th WMO/IAEA Meeting of Experts on Carbon Dioxide, other Greenhouse Gases and Related Tracers Measurement Techniques, Jena, Germany, 7-10 September 2009 : p. 315-318. p. 315-318
  • Turnbull, J.C.; Lehman, S.J.; Morgan, S.; Wolak, C. 2010. A new automated extraction system for 14C measurement for atmospheric CO2, Radiocarbon 52(3): p. 1261-1269. p. 1261-1269
  • Turnbull, J.C.; Rayner, P.; Miller, J.; Naegler, T.; Ciais, P.; Cozic, A. 2009. On the use of 14CO2 as a tracer for fossil fuel CO2 : quantifying uncertainties using an atmospheric transport model, Journal of Geophysical Research. Atmospheres 114: D22302. DOI: 10.1029/2009JD012308. D22302
  • Turnbull, J.C.; Miller, J.B.; Lehman, S.J.; Hurst, D.; Peters, W.; Tans, P.P.; Southon, J.; Montzka, S.A.; Elkins, J.W.; Mondeel, D.J.; Romashkin, P.A.; Elansky, N.; Skorokhod, A. 2008. Spatial distribution of Delta14CO2 across Eurasia : measurements from the TROICA-8 expedition, Atmospheric chemistry and physics 8: p. 1-13. p. 1-13
  • Turnbull, J.C.; Lehman, S.J.; Miller, J.B.; Sparks, R.J.; Southon, J.R.; Tans, P.P. 2007. A new high precision 14CO2 time series for North American continental air, Journal of Geophysical Research. Atmospheres 112(11): D11310. DOI: 10.1029/2006JD008184. D11310
  • Turnbull, J.C.; Miller, J.B.; Lehman, S.J.; Tans, P.P.; Sparks, R.J.; Southon, J. 2006. Comparison of 14CO2, CO, and SF6 as tracers for recently added fossil fuel CO2 in the atmosphere and implications for biological CO2 exchange, Geophysical Research Letters 33(1): L01817. DOI: 10.1029/2005GL024213. L01817
  • Hughen, K.; Southon, J.; Lehman, S.; Bertrand, C.J.H.; Turnbull, J.C. 2006. Marine-derived 14C calibration and activity record for the past 50,000 years updated from the Cariaco Basin, Quaternary Science Reviews 25(23/24): p. 3216-3227. p. 3216-3227
  • Hughen, K.; Lehman, S.; Southon, J.; Overpeck, J.; Marchal, O.; Herring, C.; Turnbull, J. 2004. 14C activity and global carbon cycle changes over the past 50,000 years, Science 303(5655): p. 202-207. p. 202-207
  • Neff, J.C.; Townsend, A.R.; Gleixner, G.; Lehman, S.J.; Turnbull, J.C.; Bowman, W.D. 2002. Variable effects of nitrogen additions on the stability and turnover of soil carbon : letter, Nature 419(6910): p. 915-917. p. 915-917


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