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Ronald J. Stouffer

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Ronald J. Stouffer
EducationPennsylvania State University
Scientific career
InstitutionsGFDL, NOAA, Princeton University, University of Arizona

Ronald J. Stouffer is a meteorologist and adjunct professor at the University of Arizona,[1] formerly Senior Research Climatologist and head of the Climate and Ecosystems Group at the Geophysical Fluid Dynamics Laboratory (GFDL), part of NOAA.[2] He has also served on the faculty of Princeton University.[3]

Stouffer is a Fellow of the American Meteorological Society and the American Geophysical Union, to which he was elected “for his path-breaking development of coupled atmosphere-ocean climate models and their use in research on the oceans’ role in climate change”.[4] With 2021 Nobel laureate Syukuro Manabe, Stouffer developed the first models to couple the atmosphere and ocean to create global climate warming projections.[5] He is recognized for the accuracy of his models.[6][7] He has published at least 220 papers on climate change,[8] and has been recognized as a Highly Cited Researcher by Clarivate Analytics for multiple years.[9] He serves on the editorial board of Climate Dynamics.[10]

Stouffer has been both a member and chair of the Working Group on Climate Modeling of the World Climate Research Program (1993-),[4] developing the Coupled Model Intercomparison Project (CMIP). Stouffer has been a contributing author to multiple Intergovernmental Panel on Climate Change (IPCC) reports (1995, 2001, 2007), for which the IPCC won the 2007 Nobel Peace Prize.[6]

Early life and education

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Stouffer earned his BS (1976) and MS (1977) in Meteorology from Pennsylvania State University.[2]

Career

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Stouffer joined the Geophysical Fluid Dynamics Laboratory (GFDL) in 1977,[4] remaining there until 2016.[8] From 2009 to 2012 he served as Group Head of the Climate and Ecosystems Group. From 2012 to 2016 Stouffer served as Senior Scientist of Earth System Modeling and Science.[11][1]

As of 2016, Stouffer became an adjunct professor at the University of Arizona.[1]

Research

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Stouffer collaborated with Syukuro Manabe, who created the first climate models to show the effects of carbon dioxide building up in the atmosphere.[5][12] In the 1980s, Manabe and Stouffer tested a theory proposed by Wally Broecker, that Lake Agassiz, a giant meltwater lake, could have caused abrupt cooling by flooding into the Atlantic. They used ocean-coupled general circulation models (GCMs) to simulate the role of ocean flows in ice ages.[13][14] In one of the first climate modeling studies to investigate the stability of thermohaline circulation in the North Atlantic. Manabe and Stouffer (1988) presented a fully coupled ocean-atmosphere model, and demonstrated that it was possible for the model to reach more than one equilibrium state. One state was similar to the current climate, while the second state showed the effects of warming flows of meltwater.[15] This Paleoclimate modelling associated changes in the circulation of the Atlantic Ocean over glacial–interglacial time periods with abrupt transitions in climate in the North Atlantic region.[16]: 178  Further work by Manabe and Stouffer (1995) showed that meltwater could also result in a series of sharp temperature rises and falls.[13][14]

This research raised concerns about the stability of the Atlantic meridional overturning circulation (AMOC) and its potential to change abruptly and to dramatically impact climate. Manabe and Stouffer (1994)'s use of a coupled atmosphere-ocean climate model suggested that anthropogenic-driven climate change could have significant impacts, an issue addressed in the Intergovernmental Panel on Climate Change (IPCC) Third Assessment.[17]

Stouffer and Manabe showed remarkable accuracy in predicting future world-wide global patterns of warming that match patterns of warming since observed.[18] Both "the projected surface pattern of warming, and the vertical structure of temperature change in both the atmosphere and ocean, were realistic."[16]: 184 [19] The first large model that demonstrated polar sensitivity in temperature effects was Manabe and Stouffer (1980).[20] There is now high confidence that the Arctic surface will continue to warm at a higher rate than the global average during the 21st century.[16]: 596  As early as 1988 Manabe and Stouffer's models showed pronounced impacts on tropical rainfall, but the significance of that feature of the simulations was not focused on at the time.[21]

Stouffer has been a lead author, contributing author, and review editor on multiple reports of the Intergovernmental Panel on Climate Change,[22] beginning with the IPCC First Assessment Report in 1990.[23] He has been a chapter author for Working Group 1 assessment reports in 1995,[24] 2001,[25] and 2007[26] and was an expert reviewer in 2013.[27] : 1518  He has also worked on the Summary for Policymakers for Working Group I and the Summary for Policymakers for the Synthesis Report of the IPCC reports.[22]

To write the IPCC reports, over 250 scientists and experts worldwide evaluate, synthesize, and comment on the published literature about climate change, summarizing the state of what is known from peer-reviewed studies. Their goal is to first determine consensus and then clearly identify places of disagreement and open questions. The IPCC reports clearly describe the scientific consensus that climate change is real, that it is caused by human activity, and that it urgently needs addressing. Reports go through an extensive reviewing process to create the final scientific assessment. The scientific assessment then becomes the basis for an accompanying Summary for Policymakers, approved by both contributing scientists and representatives from IPCC countries after intense scrutiny of the science and debate over what to do about the science.[22] The Intergovernmental Panel on Climate Change (IPCC) won the 2007 Nobel Peace Prize for its work, to which Stouffer contributed.[6]

Stouffer has been both a member and chair of the Working Group on Climate Modeling of the World Climate Research Program (1993-)[4] and its subcommittee, the Coupled Model Intercomparison Project (CMIP).[22] As part of his work with CMIP, he designs experiments and systems to better understand and compare different climate models. This is useful for scientists who are developing models and understanding the science, and for the IPCC, which uses the information as part of its assessment process and as a consistent way of showing the results of different models.[22][16]: 508 [28]

Awards and honors

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  • 2016, NOAA Distinguished Career Award, “For pioneering the understanding of climate sensitivity through discovery of fundamental mechanisms and global Earth System modeling”.[9]
  • 2015, 2014, Highly Cited Researcher, Clarivate Analytics[9]
  • 2013, Department of Commerce Silver Medal, joint award, “For the development and application of NOAA’s first comprehensive Earth System Models that couple the carbon cycle and climate to project changes”.[29]
  • 2012, Fellow, American Geophysical Union[4]
  • 2012, Alumni Fellowship, Pennsylvania State University[2][29]
  • 2008, NOAA Administrator's Award, joint award, “for outstanding dedication to developing U.S. CCSP Synthesis and Assessment Products integrating climate research for decision support.”[30]
  • 2007, Fellow, American Meteorological Society[4]
  • 2005, Department of Commerce Bronze Medal, joint award, “For development of the NOAA Operational Model Archive and Distribution System, the first operational U.S. National climate and weather model archive”.[29]
  • 2005, Department of Commerce Silver Medal, joint award, “For delivering state-of-the-art model simulations of past, present, and future climate and for enabling open access to the data sets. Results from a recent international workshop support the conclusion that the Geophysical Fluid Dynamics Laboratory climate model is among the best in the world”.[29]
  • 2002, Department of Commerce Gold Medal, joint award, “For world-renowned scientific contributions to the recently concluded state-of-the-art assessment of the science of global change."[29]
  • 1998, International Norbert Gerbier-MUMM Prize, World Meteorological Organization[31]

Selected publications

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References

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  1. ^ a b c "Ron Stouffer: Retired Senior Research Meteorologist - Geophysical Fluid Dynamics Laboratory, NOAA, Princeton, NJ". University of Arizona. Retrieved 29 November 2022.
  2. ^ a b c "Climatologist Ronald Stouffer honored with Penn State Alumni Fellow Award". Penn State Department of Meteorology and Atmospheric Science. 2013.
  3. ^ McSweeney, Robert (17 January 2018). "In-depth: Scientists discuss how to improve climate models". Carbon Brief. Retrieved 29 November 2022.
  4. ^ a b c d e f Alvich, Jason (February 15, 2012). "Ronald J. Stouffer Honored by American Geophysical Union". GFDL/NOAA. Retrieved 29 November 2022.
  5. ^ a b Dunne, John. "Earth System Science The Ronald J. Stouffer Symposium". GFDL/NOAA. Retrieved 30 November 2022.
  6. ^ a b c Schmidt, Gavin (October 12, 2021). "Beyond the Winners, Nobel Prize for Climate Science Is a Victory for Many". Scientific American. Retrieved 29 November 2022.
  7. ^ Hausfather, Zeke; Drake, Henri F.; Abbott, Tristan; Schmidt, Gavin A. (16 January 2020). "Evaluating the Performance of Past Climate Model Projections". Geophysical Research Letters. 47 (1). doi:10.1029/2019GL085378. hdl:1912/25568. ISSN 0094-8276. S2CID 214529561.
  8. ^ a b "Stouffer Ronald". ResearchGate Profile. Retrieved 1 December 2022.
  9. ^ a b c "GFDL Awards and Honors – Research, Development, and/or Application 2014 ‐2019" (PDF). GFDL Laboratory Review. 2019. Retrieved 22 November 2022.
  10. ^ "Climate Dynamics". Springer. Retrieved 29 November 2022.
  11. ^ "STOUFFER, Ronald" (PDF). Princeton University. Retrieved 1 December 2022.
  12. ^ Witt, Stephen (10 December 2021). "The Man Who Predicted Climate Change". The New Yorker. Retrieved 29 November 2022.
  13. ^ a b "Fighting for useful climate models". Simple Climate. 30 November 2013. Retrieved 29 November 2022.
  14. ^ a b Guarino, Ben (October 5, 2021). "Nobel Prize in physics awarded to trio who described climate change, other complex natural systems". Washington Post. Retrieved 29 November 2022.
  15. ^ Weaver, A. J.; Bitz, C. M.; Fanning, A. F.; Holland, M. M. (May 1999). "THERMOHALINE CIRCULATION: High-Latitude Phenomena and the Difference Between the Pacific and Atlantic". Annual Review of Earth and Planetary Sciences. 27 (1): 231–285. doi:10.1146/annurev.earth.27.1.231. ISSN 0084-6597.
  16. ^ a b c d IPCC (2021). Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (PDF). Cambridge, United Kingdom and New York, NY, USA: Cambridge University Press.
  17. ^ Overpeck, Jonathan T.; Cole, Julia E. (1 November 2006). "Abrupt Change in Earth's Climate System". Annual Review of Environment and Resources. 31 (1): 1–31. doi:10.1146/annurev.energy.30.050504.144308. ISSN 1543-5938.
  18. ^ Mann, Michael. "TESTIMONY OF DR. MICHAEL E. MANN DISTINGUISHED PROFESSOR, OF ATMOSPHERIC SCIENCE PENN STATE UNIVERSITY AND DIRECTOR, PENN STATE EARTH SYSTEM SCIENCE CENTER BEFORE THE COMMITTEE ON SCIENCE, SPACE, AND TECHNOLOGY. MARCH 29, 2017" (PDF). United States House of Representatives. Retrieved 29 November 2022.
  19. ^ Stouffer, Ronald J.; Manabe, Syukuro (March 2017). "Assessing temperature pattern projections made in 1989". Nature Climate Change. 7 (3): 163–165. doi:10.1038/nclimate3224. ISSN 1758-6798.
  20. ^ Weart, Spencer (2022). "Simple Models of Climate". The Discovery of Global Warming. American Institute of Physics. Retrieved 30 November 2022.
  21. ^ Chiang, John C.H.; Friedman, Andrew R. (30 May 2012). "Extratropical Cooling, Interhemispheric Thermal Gradients, and Tropical Climate Change". Annual Review of Earth and Planetary Sciences. 40 (1): 383–412. doi:10.1146/annurev-earth-042711-105545.
  22. ^ a b c d e Kennedy, Caitlyn (September 26, 2013). "What's it like to be an author for the IPCC report? | NOAA Climate.gov". www.climate.gov.
  23. ^ Bretherton, F.P.; Bryan, K.; Woods, J.D. (1990). "Chapter 6: Time-Dependent Greenhouse-Gas-Induced Climate Change". In Houghton, J.T.; Jenkins, G.J.; Ephraums, J.J. (eds.). Climate Change: The IPCC Scientific Assessment (1990) Report prepared for Intergovernmental Panel on Climate Change by Working Group I (PDF). Cambridge, Great Britain, New York, NY, USA and Melbourne, Australia: Cambridge University Press.
  24. ^ Kattenberg, A., F. Giorgi, H. Grassl, G.A. Meehl, J.F.B. Mitchell, R. Stouffer, T. Tokioka, A.J. Weaver and T.M.L. Wigley (1996). Chapter 6: Climate Models - Projections of Future Climate. In: The IPCC Second Scientific Assessment. Houghton et al. (eds.). Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA.
  25. ^ Cubasch, U., Meehl, G. A., Boer, G. J., Stouffer, R. J., Dix, M., Noda, A., Senior, C. A., Raper, S., and Yap, K. S (2001). Chapter 9: Projections of Future Climate Change. In: Climate Change 2001: The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change. Houghton et al. (eds.). Cambridge University Press, Cambridge, United Kingdom.
  26. ^ Randall, D.A., R.A. Wood, S. Bony, R. Colman, T. Fichefet, J. Fyfe, V. Kattsov, A. Pitman, J. Shukla, J. Srinivasan, R.J. Stouffer, A. Sumi and K.E. Taylor, (2007). Chapter 8: Climate Models and Their Evaluation. In: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Solomon et al. (eds.). Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA.
  27. ^ IPCC (2013). Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Stocker et al (eds.). Cambridge University Press, Cambridge, United Kingdom and New York, NY, US
  28. ^ "Project Record: WCRP CMIP5: Coupled Model Intercomparison Project Phase 5". CEDA Archive. Retrieved 1 December 2022.
  29. ^ a b c d e "GFDL Awards and Honors – Research, Development, and/or Application 2000-2014" (PDF). GFDL Laboratory Review. 2014. Retrieved 22 November 2022.
  30. ^ "GFDL Awards and Honors – Research, Development, and/or Application 1998-2009 (1d)" (PDF). GFDL Laboratory Review. 2009. Retrieved 22 November 2022.
  31. ^ "Ronald J. Stouffer '76, '77g EMS" (PDF). Penn State Alumni Association. Retrieved 29 November 2022.
  32. ^ Jensen, Mari N. (16 November 2018). "Antarctic Melting Slows Atmospheric Warming and Speeds Sea Level Rise". University of Arizona News. Retrieved 30 November 2022.
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