Publications

 


L. Sime, P.O. Hopcroft and R. Rhodes (2019). Impact of abrupt sea ice loss on Greenland water isotopes during the Last Glacial Period, Proceedings of the National Academy of Sciences, 116 (10), 4099-4104, doi: 10.1073/pnas.1807261116.


P.O. Hopcroft and P.J. Valdes (2019). On the role of dust-climate feedbacks during the mid-Holocene, Geophysical Research Letters, 46, 3, 1612-1621, doi: 10.1029/2018GL080483.


P.O. Hopcroft, P.J. Valdes and J.O. Kaplan (2018). Bayesian analysis of the glacial-interglacial methane increase constrained by stable isotopes and Earth System modelling, Geophysical Research Letters, 45, 8, doi: 10.1002/2018GL077382.


M. Kageyama, P. Braconnot, S.P. Harrison, A.M. Haywood, J. Jungclaus, B.L. Otto-Bliesner, J.-Y. Peterschmitt, A. Abe-Ouchi, S. Albani, P.J. Bartlein, C. Brierley, M. Crucifix, A. Dolan, L. Fernandez-Donado, H. Fischer, P.O. Hopcroft, R.F. Ivanovic, F. Lambert, D.J. Lunt, N.M. Mahowald, W.R. Peltier, S.J. Phipps, D.M. Roche, G.A. Schmidt, L. Tarasov, P.J. Valdes, Q. Zhang, and T. Zhou (2018). PMIP4-CMIP6: the contribution of the Paleoclimate Modelling Intercomparison Project to CMIP6, Geoscientific Model Development, 11, 1033-1057, doi:10.5194/gmd-11-1033-2018.


P.O. Hopcroft, J. Kandlbauer, P.J. Valdes and R.S.J. Sparks (2018). Reduced cooling following future volcanic eruptions, Climate Dynamics, 51: 1449-1463, doi: 10.1007/s00382-017-3964-7.


M. Kageyama, S. Albani, P. Braconnot, S. Harrison, P.O. Hopcroft, R. Ivanovic, F. Lambert, O. Marti, W. Peltier, J.-Y. Peterschmitt, D. Roche, L. Tarasov, X. Zhang, E. Brady, A. Haywood, A. LeGrande, D. Lunt, N. Mahowald, U. Mikolajewicz, K. Nisancioglu, B. Otto-Bliesner, H. Renssen, R. Tomas, Q. Zhang, A. Abe-Ouchi, P. Bartlein, J. Cao, G. Lohmann, R. Ohgaito, X. Shi, E. Volodin, K. Yoshida, X. Zhang, and W. Zheng (2017). The PMIP4 contribution to CMIP6 - Part 4: Scientific objectives and experimental design of the PMIP4-CMIP6 Last Glacial Maximum experiments and PMIP4 sensitivity experiments, Geoscientific Model Development, 10, 4035-4055, doi:10.5194/gmd-10-4035-2017.


P.J. Valdes, E. Armstrong, M. Badger, C. Bradshaw, F. Bragg, M. Crucifix, T. Davies-Barnard, J.J. Day, A. Farnsworth, C. Gordon, P.O. Hopcroft, A. Kennedy, N. Lord, D. Lunt, A. Marzocchi, L. Parry, V. Pope, W. Roberts, E. Stone, G. Tourte, and J. Williams (2017). The BRIDGE HadCM3 family of climate models: HadCM3@Bristol v1.0, Geoscientific Model Development, 10, 3715-3743: doi:10.5194/gmd-10-3715-2017.


P.O. Hopcroft (2017). Atmospheric science: Ancient ice and the global methane cycle (News and Views), Nature, 548, 403-404, doi:10.1038/548403a.


P.O. Hopcroft, P.J. Valdes, A.B. Harper and D.J. Beerling (2017). Multi vegetation model evaluation of the Green Sahara climate regime, Geophysical Research Letters, 6804-6813, doi:10.1002/2017GL073740.


P.O. Hopcroft, P.J. Valdes, F.M. O'Connor, J.O. Kaplan and D.J. Beerling (2017). Understanding the glacial methane cycle, Nature Communications, 8, 14383, doi:10.1038/ncomms14383. pdf Cabot Institute Research News Met Office Research News


P.O. Hopcroft, P.J. Valdes, S. Woodward and M. Joshi (2015). Last glacial maximum radiative forcing from mineral dust aerosols in an Earth System model, Journal of Geophysical Research, 120(16), 8186-8205, doi:10.1002/2015JD023742. Supporting Information: pdf


P.O. Hopcroft and P.J. Valdes (2015). How well do simulated last glacial maximum tropical temperatures constrain equilibrium climate sensitivity?, Geophysical Research Letters, 42(13), 5533-5539, doi:10.1002/2015GL064903. Supporting Information: pdf. Data points underlying figure 1: fig1.dat


P.O. Hopcroft and P.J. Valdes (2014). Last Glacial Maximum constraints on the Earth System Model HadGEM2-ES, Climate Dynamics, 45(5), 1657-1672, doi:10.1007/s00382-014-2421-0.


P.O. Hopcroft, P.J. Valdes, R. Wania and D.J. Beerling (2014). Limited response of peatland CH4 emissions to abrupt Atlantic Ocean circulation changes in glacial climates, Climate of the Past, 10, 137-154, doi:10.5194/cp-10-137-2014.


J. Kandlbauer, P. O. Hopcroft, P.J. Valdes and R.S.J. Sparks (2013). Climate and carbon cycle response to the 1815 Tambora volcanic eruption, Journal of Geophysical Research, 118(22), 12497-12507, doi:10.1002/2013JD019767.


B. Ringeval, P.O. Hopcroft, P.J. Valdes, P. Ciais, G. Ramstein, A.J. Dolman and M. Kageyama (2013). Response of methane emissions from wetlands to the Last Glacial Maximum and an idealized Dansgaard-Oeschger climate event: Insights from two models of different complexity, Climate of the Past, 9, 149-171, doi:10.5194/cp-9-149-2013.


A. M. Foley, D. Dalmonech, A. D. Friend, F. Aires, A. Archibald, P. Bartlein, L. Bopp, J. Chappellaz, P. Cox, N. R. Edwards, G. Feulner, P. Friedlingstein, S. P. Harrison, P.O. Hopcroft, C. D. Jones, J. Kolassa, J. G. Levine, I. C. Prentice, J. Pyle, N. Vazquez Riveiros, E. W. Wolff, and S. Zaehle (2013). Evaluation of biospheric components in Earth system models using modern and palaeo observations: the state-of-the-art, Biogeosciences, 10, 8305-8328, doi:10.5194/bg-10-8305-2013.


R. Wania, J. R. Melton, E. L. Hodson, B. Poulter, B. Ringeval, R. Spahni, T. Bohn, C. A. Avis, G. Chen, A. V. Eliseev, P. O. Hopcroft, W. J. Riley, Z. M. Subin, H. Tian, P. M. van Bodegom, T. Kleinen, Z. C. Yu, J. S. Singarayer, S. Zurcher, D. P. Lettenmaier, D. J. Beerling, S. N. Denisov, C. Prigent, F. Papa, and J. O. Kaplan (2013). Present state of global wetland extent and wetland methane modelling: methodology of a model intercomparison project (WETCHIMP), Geoscientific Model Development, 6, 617-641, doi:10.5194/gmd-6-617-2013.


J. R. Melton, R. Wania, E. L. Hodson, B. Poulter, B. Ringeval, R. Spahni, T. Bohn, C. A. Avis, D. J. Beerling, G. Chen, A. V. Eliseev, S. N. Denisov, P. O. Hopcroft, D. P. Lettenmaier, W. J. Riley, J. S. Singarayer, Z. M. Subin, H. Tian, S. Zurcher, V. Brovkin, P. M. van Bodegom, T. Kleinen, Z. C. Yu, and J. O. Kaplan, (2013). Present state of global wetland extent and wetland methane modelling: conclusions from a model intercomparison project (WETCHIMP), Biogeosciences, 10, 753-788, doi:10.5194/bg-10-753-2013.


J.G. Levine, E.W. Wolff, P.O. Hopcroft, and P.J. Valdes (2012). Controls on the tropospheric oxidizing capacity during an idealized Dansgaard-Oeschger event, and their implications for the rapid rises in atmospheric methane during the last glacial period, Geophysical Research Letters, 39, L12805, 10.1029/2012GL051866.


P.O. Hopcroft, P.J. Valdes and D.J. Beerling (2011). Simulating idealized Dansgaard-Oeschger events and their potential impacts on the global methane cycle, Quaternary Science Reviews, 30, 23-24, 3258-3268, doi:10.1016/j.quascirev.2011.08.01.


P.O. Hopcroft (2009), New Methods for Inferring Past Climatic Changes from Underground Temperatures, PhD Thesis, Imperial College London. pdf.


P.O. Hopcroft, K. Gallagher and C. Pain (2009). A Bayesian Partition Modelling approach to resolve spatial variability in climate records from borehole temperature inversion , Geophysical Journal International, 178, 2, 651-666, doi:10.1111/j.1365-246X.2009.04192.x.


P.O. Hopcroft, K. Gallagher, C. Pain and F. Fang (2009). Three-dimensional simulation and inversion of borehole temperatures for reconstructing past climate in complex settings, Journal of Geophysical Research, 114, F02019, doi:10.1029/2008JF001165.


P.O. Hopcroft, K. Gallagher and C. Pain (2007). Inference of past climate from borehole temperature data using Bayesian Reversible Jump Markov chain Monte Carlo, Geophysical Journal International, 171(3), 1430-1439, doi:10.1111/j.1365-246X.2007.03596.x.