• A modeling study of the tripole pattern of East China precipitation over the past 425 ka 

      Dai, Gaowen; Zhang, Zhongshi; Otterå, Odd Helge; Langebroek, Petra; Yan, Qing; Zhang, Ran (Peer reviewed; Journal article, 2021)
      The traditional paleoclimatological view suggests that monsoonal China was overall wetter when the East Asian summer monsoon (EASM) was strong. However, this view is at odds with the understanding of modern climate, which ...
    • Comparison of past and future simulations of ENSO in CMIP5/PMIP3 and CMIP6/PMIP4 models 

      Brown, Josephine; Brierley, Chris; Soon-Il, An; Guarino, Maria-Vittoria; Stevenson, Samantha; Williams, Charles J. R.; Zhang, Qiong; Zhao, Anni; Abe-Ouchi, Ayako; Braconnot, Pascale; Brady, Esther C.; Chandan, Deepak; D'Agostino, Roberta; Guo, Chuncheng; Legrande, Allegra N.; Lohmann, Gerrit; Morozova, Polina A.; Ohgaito, Rumi; O'ishi, Ryouta; Otto-Bliesner, Bette L.; Peltier, W. Richard; Shi, Xiaoxu; Sime, Louise C.; Volodin, Evgeny M.; Zhang, Zhongshi; Zheng, Weipeng (Peer reviewed; Journal article, 2020)
      El Niño–Southern Oscillation (ENSO) is the strongest mode of interannual climate variability in the current climate, influencing ecosystems, agriculture, and weather systems across the globe, but future projections of ENSO ...
    • Decomposition of physical processes controlling EASM precipitation changes during the mid-Piacenzian: new insights into data–model integration 

      Sun, Yong; Wu, Haibin; Ding, Lin; Chen, Lixin; Stepanek, Christian; Zhao, Yan; Tan, Ning; Su, Baohuang; Yuan, Xiayu; Zhang, Wenchao; Liu, Bo; Hunter, Stephen; Haywood, Alan; Abe-Ouchi, Ayako; Otto-Bliesner, Bette; Contoux, Camille; Lunt, Daniel J.; Dolan, Aisling; Chandan, Deepak; Lohmann, Gerrit; Dowsett, Harry; Tindall, Julia; Baatsen, Michiel; Peltier, W. Richard; Li, Qiang; Feng, Ran; Salzmann, Ulrich; Chan, Wing-Le; Zhang, Zhongshi; Williams, Charles J. R.; Ramstein, Gilles (Journal article; Peer reviewed, 2024)
      The mid-Piacenzian warm period (MPWP, ~3.264–3.025 Ma) has gained widespread interest due to its partial analogy with future climate. However, quantitative data–model comparison of East Asian Summer Monsoon (EASM) precipitation ...
    • DeepMIP: model intercomparison of early Eocene climatic optimum (EECO) large-scale climate features and comparison with proxy data 

      Lunt, Daniel J.; Bragg, F.; Chan, Wing-Lee; Hutchinson, D.K.; Ladant, Jean-Baptiste; Morozova, Polina A.; Niezgodzki, I.; Steinig, S.; Zhang, Zhongshi; Zhu, J; Abe-Ouchi, Ayako; Anagnostou, Eleni; de Boer, A.M.; Coxall, H.K.; Donnadieu, Y.; Foster, G.; Inglis, Gordon N.; Knorr, Gregor; Langebroek, Petra; Lear, Caroline H.; Lohmann, G.; Poulsen, C.J.; Sepulchre, Pierre; Jones, Tom Dunkley; Hollis, Chris J.; Huber, M.; Otto-Bliesner, Bette (Peer reviewed; Journal article, 2021)
      We present results from an ensemble of eight climate models, each of which has carried out simulations of the early Eocene climate optimum (EECO, ∼ 50 million years ago). These simulations have been carried out in the ...
    • The Eocene-Oligocene transition: a review of marine and terrestrial proxy data, models and model-data comparisons 

      Hutchinson, D.K.; Zhang, Zhongshi (Peer reviewed; Journal article, 2021)
      The Eocene-Oligocene transition (EOT) from a largely ice-free greenhouse world to an icehouse climate with the first major glaciation of Antarctica was a phase of major climate and environmental change occurring ~34 million ...
    • The Eocene-Oligocene transition: A review of marine and terrestrial proxy data, models and model-data comparisons 

      Hutchinson, D.K.; Coxall, Helen; Lunt, Daniel J.; Steinthorsdottir, Margret; De Boer, Agatha M.; Baatsen, Michiel L. J.; Von Der Heydt, Anna; Huber, Matthew; Kennedy-Asser, Alan T.; Kunzmann, Lutz; Ladant, Jean-Baptiste; Lear, Caroline H.; Moraweck, Karolin; Pearson, Paul; Piga, Emanuela; Pound, Matthew J.; Salzmann, Ulrich; Scher, Howie D.; Sijp, Willem P.; Å liwińska, Kasia K.; Wilson, Paul A.; Zhang, Zhongshi (Peer reviewed; Journal article, 2021)
      The Eocene–Oligocene transition (EOT) was a climate shift from a largely ice-free greenhouse world to an icehouse climate, involving the first major glaciation of Antarctica and global cooling occurring ∼34 million years ...
    • Equilibrium simulations of Marine Isotope Stage 3 climate 

      Guo, Chuncheng; Nisancioglu, Kerim Hestnes; Bentsen, Mats; Bethke, Ingo; Zhang, Zhongshi (Peer reviewed; Journal article, 2019)
      An equilibrium simulation of Marine Isotope Stage 3 (MIS3) climate with boundary conditions characteristic of Greenland Interstadial 8 (GI-8; 38 kyr BP) is carried out with the Norwegian Earth System Model (NorESM). A ...
    • Evaluating the large-scale hydrological cycle response within the Pliocene Model Intercomparison Project Phase 2 (PlioMIP2) ensemble 

      Han, Zixuan; Zhang, Qiong; Li, Qiang; Feng, Ran; Haywood, Alan M.; Tindall, Julia C.; Hunter, Stephen J.; Otto-Bliesner, Bette L.; Brady, Esther C.; Rosenbloom, Nan; Zhang, Zhongshi; Li, Xiangyu; Guo, Chuncheng; Nisancioglu, Kerim Hestnes; Stepanek, Christian; Lohmann, Gerrit; Sohl, Linda E.; Chandler, Mark A.; Tan, Ning; Ramstein, Gilles; Baatsen, Michiel L. J.; Von Der Heydt, Anna S.; Chandan, Deepak; Peltier, W. Richard; Williams, Charles J. R.; Lunt, Daniel J.; Cheng, Jianbo; Wen, Qin; Burls, Natalie J. (Peer reviewed; Journal article, 2021)
      The mid-Pliocene (∼3 Ma) is one of the most recent warm periods with high CO2 concentrations in the atmosphere and resulting high temperatures, and it is often cited as an analog for near-term future climate change. Here, ...
    • Highly stratified mid-Pliocene Southern Ocean in PlioMIP2 

      Weiffenbach, Julia E.; Dijkstra, Henk A.; Von Der Heydt, Anna S.; Abe-Ouchi, Ayako; Chan, Wing-Le; Chandan, Deepak; Feng, Ran; Haywood, Alan M.; Hunter, Stephen J.; Li, Xiangyu; Otto-Bliesner, Bette L.; Peltier, W. Richard; Stepanek, Christian; Tan, Ning; Tindall, Julia C.; Zhang, Zhongshi (Peer reviewed; Journal article, 2024)
      During the mid-Pliocene warm period (mPWP; 3.264–3.025 Ma), atmospheric CO2 concentrations were approximately 400 ppm, and the Antarctic Ice Sheet was substantially reduced compared to today. Antarctica is surrounded by ...
    • The hydrological cycle and ocean circulation of the Maritime Continent in the Pliocene: results from PlioMIP2 

      Ren, Xin; Lunt, Daniel J.; Hendy, Erica; Von Der Heydt, Anna; Abe-Ouchi, Ayako; Otto-Bliesner, Bette; Williams, Charles J. R.; Stepanek, Christian; Guo, Chuncheng; Chandan, Deepak; Lohmann, Gerrit; Tindall, Julia C.; Sohl, Linda E.; Chandler, Mark A.; Kageyama, Masa; Baatsen, Michiel L. J.; Tan, Ning; Zhang, Qiong; Feng, Ran; Hunter, Stephen; Chan, Wing-Le; Peltier, W. Richard; Li, Xiangyu; Kamae, Youichi; Zhang, Zhongshi; Haywood, Alan M. (Journal article; Peer reviewed, 2023)
      The Maritime Continent (MC) forms the western boundary of the tropical Pacific Ocean, and relatively small changes in this region can impact the climate locally and remotely. In the mid-Piacenzian warm period of the Pliocene ...
    • Impact of Mountains in Southern China on the Eocene Climates of East Asia 

      Zhang, Zijian; Zhang, Zhongshi; He, Zhilin; Tan, Ning; Guo, Zhengtang; Zhu, Jiang; Steinig, Sebastian; Donnadieu, Yannick; Ladant, Jean-Baptiste; Chan, Wing-Le; Abe-Ouchi, Ayako; Niezgodzki, Igor; Knorr, Gregor; Hutchinson, David K.; de Boer, Agatha M. (Peer reviewed; Journal article, 2022)
      Inconsistencies in the Eocene climates of East Asia have been revealed in both geological studies and simulations. Several earlier reconstructions showed an arid zonal band in mid-latitude China, but others showed a humid ...
    • Large-scale features of Last Interglacial climate: results from evaluating the lig127k simulations for the Coupled Model Intercomparison Project (CMIP6)–Paleoclimate Modeling Intercomparison Project (PMIP4) 

      Otto-Bliesner, Bette L.; Brady, Esther C.; Zhao, Anni; Brierley, Chris M.; Axford, Yarrow; Capron, Emilie; Govin, Aline; Hoffman, Jeremy S.; Isaacs, Elizabeth; Kageyama, Masa; Scussolini, Paolo; Tzedakis, Polychronis C.; Williams, Charles J.R.; Wolff, Eric W.; Abe-Ouchi, Ayako; Braconnot, Pascale; Ramos Buarque, Silvana; Cao, Jian; de Vernal, Anne; Vittoria Guarino, Maria; Guo, Chuncheng; Legrande, Allegra N.; Lohmann, Gerrit; Meissner, Katrin J.; Menviel, Laurie; Morozova, Polina A.; Nisancioglu, Kerim H.; O'Ishi, Ryouta; Mélia, David Salas Y.; Shi, Xaoxu; Sicard, Marie; Sime, Louise C.; Stepanek, Christian; Tomas, Robert A.; Volodin, Evgeny; Yeung, Nicholas K.H.; Zhang, Qiong; Zhang, Zhongshi; Zheng, Weipeng (Peer reviewed; Journal article, 2021)
      The modeling of paleoclimate, using physically based tools, is increasingly seen as a strong out-of-sample test of the models that are used for the projection of future climate changes. New to the Coupled Model Intercomparison ...
    • Lessons from a high-CO2 world: an ocean view from  ∼ 3 million years ago 

      McClymont, Erin L.; Ford, Heather; Ho, Sze Ling; Tindall, Julia C.; Haywood, Alan M.; Alonso-Garcia, Montserrat; Bailey, Ian; Berke, Melissa A.; Littler, Kate; Patterson, Molly O.; Petrick, Benjamin; Peterse, Francien; Ravelo, Ana Christina; Risebrobakken, Bjørg; De Schepper, Stijn; Swann, George E. A.; Kaustubh, Thirumalai; Tierney, Jessica E; Van der Weijst, Carolien; White, Sarah; Abe-Ouchi, Ayako; Baatsen, Michiel L. J.; Brady, Esther C.; Chan, Wing-Le; Chandan, Deepak; Ran, Feng; Guo, Chenchen Guo; von der Heydt, Anna S.; Stephen, Hunter; Xiangyi, Li; Lohmann, Gerrit; Nisancioglu, Kerim Hestnes; Otto-Bliesner, Bette L.; Peltier, Richard W.; Stepanek, Christian; Zhang, Zhongshi (Peer reviewed; Journal article, 2020)
      A range of future climate scenarios are projected for high atmospheric CO2 concentrations, given uncertainties over future human actions as well as potential environmental and climatic feedbacks. The geological record ...
    • Mid-Pliocene Atlantic Meridional Overturning Circulation simulated in PlioMIP2 

      Zhang, Zhongshi; Li, Xiangyu; Guo, Chuncheng; Otterå, Odd Helge; Nisancioglu, Kerim Hestnes; Tan, Ning; Contoux, Camille; Ramstein, Gilles; Feng, Ran; Otto-Bliesner, Bette L.; Brady, Esther C.; Chandan, Deepak; Richard Peltier, Peltier; Baatsen, Michiel L. J.; Von Der Heydt, Anna S.; Weiffenbach, Julia E.; Stepanek, Christian; Lohmann, Gerrit; Zhang, Qiong; Li, Qiang; Chandler, Mark A.; Sohl, Linda E.; Haywood, Alan M.; Hunter, Stephen J.; Tindall, Julia C.; Williams, Charles; Lunt, Daniel J.; Chan, Wing-Le; Abe-Ouchi, Ayako (Peer reviewed; Journal article, 2021)
      In the Pliocene Model Intercomparison Project Phase 2 (PlioMIP2), coupled climate models have been used to simulate an interglacial climate during the mid-Piacenzian warm period (mPWP; 3.264 to 3.025 Ma). Here, we compare ...
    • Mid-Pliocene West African Monsoon rainfall as simulated in the PlioMIP2 ensemble 

      Berntell, Ellen; Zhang, Qiong; Li, Qiang; Haywood, Alan M.; Tindall, Julia C.; Hunter, Stephen J.; Zhang, Zhongshi; Xiangyu, Li; Guo, Chuncheng; Nisancioglu, Kerim Hestnes; Stepanek, Christian; Lohmann, Gerrit; Sohl, Linda E.; Chandler, Mark A.; Tan, Ning; Contoux, Camille; Ramstein, Gilles; Baatsen, Michiel L. J.; von der Heydt, Anna S.; Chandan, Deepak; Peltier, W. Richard; Abe-Ouchi, Ayako; Chan, Wing-Le; Kamae, Youichi; Williams, Charles J. R.; Lunt, Daniel J.; Feng, Ran; Otto-Bliesner, Bette L.; Brady, Esther C. (Journal article; Peer reviewed, 2021)
      The mid-Pliocene warm period (mPWP; ∼3.2 million years ago) is seen as the most recent time period characterized by a warm climate state, with similar to modern geography and ∼400 ppmv atmospheric CO2 concentration, and ...
    • A Model-Data Comparison of the Hydrological Response to Miocene Warmth: Leveraging the MioMIP1 Opportunistic Multi-Model Ensemble 

      Acosta, R.P.; Burls, N.J.; Pound, M.J.; Bradshaw, C.D.; De Boer, Boer; Herold, N.; Huber, M.; Liu, X.; Donnadieu, Y.; Farnsworth, A.; Frigola, A.; Lunt, D.J.; von der Heydt, der; Hutchinson, D.K.; Knorr, G.; Lohmann, G.; Marzocchi, A.; Prange, M.; Sarr, A.C.; Li, Xiangyu; Zhang, Zhongshi (Peer reviewed; Journal article, 2024)
      The Miocene (23.03–5.33 Ma) is recognized as a period with close to modern-day paleogeography, yet a much warmer climate. With large uncertainties in future hydroclimate projections, Miocene conditions illustrate a potential ...
    • A multi-model CMIP6-PMIP4 study of Arctic sea ice at 127 ka: sea ice data compilation and model differences 

      Kageyama, Masa; Sime, Louise C.; Sicard, Marie; Guarino, Maria-Vittoria; De Vernal, A; Stein, Ruediger; Schroeder, david; Malmierca-Vallet, Irene; Abe-Ouchi, Ayako; Bitz, Cecilia M.; Braconnot, Pascale; Brady, Esther C.; Cao, Jian; Chamberlain, Matthew; Feltham, Danny; Guo, Chuncheng; Legrande, Allegra N.; Lohmann, Gerrit; Meissner, Katrin; Menviel, Laurie; Nisancioglu, Kerim Hestnes; Otto-Bliesner, Bette L.; O'ishi, Ryouta; Ramos Buarque, Silvan; Salas y Mélia, David; Sherriff-Tadano, Sam; Stroeve, Julienne C.; Shi, Xiaoxu; Sun, Bo; Thomas, Robert; Volodin, Evgeny; Yeung, Nicholas K.H.; Zhang, Qiong; Zhang, Zhongshi; Zheng, Weipeng; Ziehn, Tilo (Peer reviewed; Journal article, 2021)
      The Last Interglacial period (LIG) is a period with increased summer insolation at high northern latitudes, which results in strong changes in the terrestrial and marine cryosphere. Understanding the mechanisms for this ...
    • On the climatic influence of CO2 forcing in the Pliocene 

      Burton, Lauren E.; Haywood, Alan M.; Tindall, Julia C.; Dolan, Aisling M.; Hill, Daniel J.; Abe-Ouchi, Ayako; Chan, Wing-Le; Chandan, Deepak; Feng, Ran; Hunter, Stephen J.; Li, Xiangyu; Peltier, W. Richard; Tan, Ning; Stepanek, Christian; Zhang, Zhongshi (Journal article; Peer reviewed, 2023)
      Understanding the dominant climate forcings in the Pliocene is crucial to assessing the usefulness of the Pliocene as an analogue for our warmer future. Here, we implement a novel yet simple linear factorisation method to ...
    • Overview of the Norwegian Earth System Model (NorESM2) and key climate response of CMIP6 DECK, historical, and scenario simulations 

      Seland, Øyvind; Bentsen, Mats; Oliviè, Dirk Jan Leo; Toniazzo, Thomas; Gjermundsen, Ada; Graff, Lise Seland; Debernard, Jens Boldingh; Gupta, Alok Kumar; He, Yan-Chun; Kirkevåg, Alf; Schwinger, Jörg; Tjiputra, Jerry; Aas, Kjetil Schanke; Bethke, Ingo; Fan, Yuanchao; Griesfeller, Jan; Grini, Alf; Guo, Chuncheng; Ilicak, Mehmet; Karset, Inger Helene H.; Landgren, Oskar Andreas; Liakka, Johan; Moseid, Kine Onsum; Nummelin, Aleksi; Spensberger, Clemens; Tang, Hui; Zhang, Zhongshi; Heinze, Christoph; Iversen, Trond; Schulz, Michael (Peer reviewed; Journal article, 2020)
      The second version of the coupled Norwegian Earth System Model (NorESM2) is presented and evaluated. NorESM2 is based on the second version of the Community Earth System Model (CESM2) and shares with CESM2 the computer ...
    • Past terrestrial hydroclimate sensitivity controlled by Earth system feedbacks 

      Feng, Ran; Bhattacharya, Tripti; Otto-Bliesner, Bette L.; Brady, Esther C.; Haywood, Alan M.; Tindall, Julia C.; Hunter, Stephen J.; Abe-Ouchi, Ayako; Chan, Wing-Le; Kageyama, Masa; Contoux, Camille; Guo, Chuncheng; Li, Xiangyu; Lohmann, Gerrit; Stepanek, Christian; Tan, Ning; Zhang, Qiong; Zhang, Zhongshi; Han, Zixuan; Williams, Charles J. R.; Lunt, Daniel J.; Dowsett, Harry J.; Chandan, Deepak; Peltier, W. Richard (Peer reviewed; Journal article, 2022)
      Despite tectonic conditions and atmospheric CO2 levels (pCO2) similar to those of present-day, geological reconstructions from the mid-Pliocene (3.3-3.0 Ma) document high lake levels in the Sahel and mesic conditions in ...