News

Recent papers, presentations, degrees

Upcoming / ongoing

2020

28 February 2020: New paper on climatic fluctuations due to major volcanic eruptions at end of the Triassic is published!
20 January 2020: Our paper on Atlantic Meridional Overturning Circulation (AMOC) slowdown and global surface temperature change is published!


2019

talk 50 12–23 November 2019: Series of public lectures on climate change and climate modeling in Rosenheim, Mannheim, Vienna, Eichstätt and Potsdam.
erc_50.jpg 11 October 2019: We are partner in the Synergy Grant project MEET that will be funded by the European Research Council (ERC), see press releases here and here!
grad 50 27 September 2019: Levke Caesar has successfully defended her PhD thesis on "The evolution of the Atlantic Meridional Overturning Circulation and its implications for surface warming" – congratulations!
September 2019: Our comprehensive paper on the climate during the Devonian (419 to 359 million years ago) is finally out!
talk 50 11 September 2019: Public lecture on climate change in Dresden at the Max Planck Institute for the Physics of Complex Systems (DPG-Industriegespräche)
stjohn.jpg 30 August–7 September 2019: I am teaching a course on climate change at a summer academy of the Studienstiftung at St John's College in Cambridge (UK)
egu_plain_blue_50.jpg 28–30 August 2019: Oral presentations at the EGU Galileo Conference "Mass Extinctions, Recovery and Resilience" in Utrecht, The Netherlands, by group members Jan Landwehrs and Julia Brugger
talk 50 14 August 2019: Public lecture on climate change at Planetarium Berlin
talk 50 29 July 2019: Evening lecture at a conference organised by my former group at MPE/USM
sz_50.png 26 July 2019: Panel discussion with Bavarian prime minister Markus Söder organised by Süddeutsche Zeitung, see their report
esi_50.jpg 16–22 June 2019: Research stay at the Erwin Schrödinger International Institute for Mathematics and Physics in Vienna
LNdW_Logo_50.jpeg 15 June 2019: Public lecture (öffentlicher Vortrag 4 Milliarden Jahre Klimageschichte in 30 Minuten bei der Langen Nacht der Wissenschaften)
grad 50 23 May 2019: Moritz Kreuzer has successfully defended his MSc thesis on "Coupling the Ice-Sheet Model PISM to the Climate Model POEM" at Universität Potsdam – congratulations!
11 April 2019 to 18 July 2019: Lecture on climate modelling (Einführung in die Klimamodellierung), Institut für Physik und Astronomie, Universität Potsdam
egu_plain_blue_50.jpg 7–12 April 2019: Oral and poster presentations at the EGU General Assembly 2019 in Vienna, Austria, by group members Levke Caesar, Jan Landwehrs and Peter Steiglechner


2018

grad 50 4 December 2018: Jan Landwehrs has successfully defended his MSc thesis on "Modeling the climatic and biogeochemical impact of end-Triassic volcanism" at Universität Potsdam – congratulations!
grad 50 19 November 2018: Peter Steiglechner has successfully defended his MSc thesis on "Estimating global warming from anthropogenic heat emissions conceptual and numerical modelling approaches" at Universität Potsdam – congratulations!

talk 50

19 June 2018: Invited seminar on "Deep-time paleoclimate modeling" at the Department for Meteorology and Geophysics, University of Vienna, Austria
LNdW_Logo_50.jpeg 9 June 2018: Public lecture (öffentlicher Vortrag 4 Milliarden Jahre Klimageschichte in 30 Minuten bei der Langen Nacht der Wissenschaften)

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7 June 2018: Invited keynote presentation on "Ancient Climates on Earth" at the Faculty of Earth Sciences, Geography and Astronomy, University of Vienna, Austria
6 June 2018: I have completed my Habilitation proceedings at the University of Potsdam and have been awarded the title Dr. rer. nat. habil.

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23 May 2018: Invited seminar talk on the "Faint Young Sun Paradox" at the Department for Astrophysics, University of Vienna, Austria
amoc_fingerprint_50.jpg 12 April 2018: Observed fingerprint of a weakening Atlantic Ocean overturning circulation New study published in Nature, see also the press release
egu_plain_blue_50.jpg 10 April 2018: Presentations at the EGU General Assembly 2018 in Vienna, Austria, by group members Julia Brugger, Levke Caesar and Georg Feulner

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3 April 2018: Invited seminar on "The end of the dinosaurs" at GFZ Potsdam

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23 March 2018: Invited lecture on "The modern biodiversity crisis – entering the `sixth mass extinction'?", 5th British-German Frontiers of Science Symposium 2018 organised by Alexander von Humboldt Foundation, Junge Akademie and Royal Society, Dorking, UK
Uni_Logo_50.jpg 1 March to 31 August 2018: Ida Pfeiffer Visiting Professorship at the Faculty of Earth Sciences, Geography and Astronomy, University of Vienna, Austria

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27 February 2018: The Working Group Scientific Software within the Priority Initiative "Digital Information" has published recommendations on research software: doi:10.5281/zenodo.1172970 (German), doi:10.5281/zenodo.1172987 (English)


2017

talk 50

14 December 2017: Invited lecture on "Climate Change: Ethics, Attribution, Justice", Ethics in Action Meeting, The Pontifical Academy of Sciences, Vatican

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8 December 2017: Invited lecture on Earth's history, Symposium Vom Werden, Botanische Staatssammlung München
24 October 2017: Coal formation turned Earth almost into a Snowball New study published in the Proceedings of the National Academy of Sciences, see also the press release

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16 October 2017: Invited lecture on climate change, Physics Department, Universität Bielefeld

20 April 2017 to 27 July 2017: Lecture on climate modelling (Einführung in die Klimamodellierung), Institut für Physik und Astronomie, Universität Potsdam

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30 June 2017: Invited lecture on "The end of the dinosaurs", Institut für Planetenforschung, Deutsches Zentrum für Luft- und Raumfahrt (DLR) Berlin
LNdW_Logo_50.jpeg 24 June 2017: Public lecture (öffentlicher Vortrag Das Ende der Dinosaurier bei der Langen Nacht der Wissenschaften)
grad 50 22 March 2017: Julius Garbe has successfully defended his MSc thesis on "Long-term evolution
and critical thresholds of the Antarctic Ice Sheet" at Universität Hamburg

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13 January 2017: Has the asteroid impact 66 million years ago killed the dinosaurs? New study published in Geophysical Research Letters, see also: animations, press release


2016

grad 50 21 December 2016: Erik Gengel has successfully defended his MSc thesis on "Coupling the dynamic vegetation model LPJmL to the Potsdam Earth Model POEM" at Universität Potsdam
23 November 2016: I am representing the Leibniz Association in the newly formed Working Group Scientific Software within the Priority Initiative "Digital Information"

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15 November 2016: Invited lecture on "The climate on early Earth", physics department, Ludwig-Maximilians-Universität München
grad 50 29 September 2016: Stefan Fuchs has successfully defended his BSc thesis on "GEOCARBPIK: Implementation of a model for the global carbon cycle during the Phanerozoic" at HTW Berlin

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21 September 2016: Invited lecture on "The Faint Young Sun Paradox" at the conference "Cosmology on Small Scales", Prague

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13-15 September 2016: Three lectures at the Studienwoche of the Elite Graduate Physics Programme of University of Erlangen-Nürnberg/University of Regensburg, Tramin, Italy
grad 50 2 May 2016: Moritz Kreuzer has successfully defended his BSc thesis on "Flexible Energy Balance Climate Models for Teaching and Research" at Universität Ulm

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6 April 2016: Presentation on "Modelling the Climate Evolution of the Early Earth" at the General Meeting of DFG SPP 1833 “Building a Habitable Earth”, Köln

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22 March 2016: Invited lecture on "Water – Origin and History of a Remarkable Substance" at Universität Hohenheim
Logo_PIK_50.jpeg 26 January 2016: I have been elected as scientific mediator/ombudsman for good scientific practice at PIK (together with Jessica Strefler) for the term 2016–2019


2015

15 October 2015 – 4 February 2016: Lecture on Earth's climate history (Klimageschichte der Erde), Institut für Physik und Astronomie, Universität Potsdam

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13 November 2015: Invited lecture on climate change and the 2-degrees guardrail at Humboldt-Kolleg Budapest 2015
4 November 2015: I have been awarded an award for excellent teaching (Preis für herausragende Lehre) by the Faculty of Science at Universität Potsdam
4 November 2015: Levke Caesar has been awarded an award for the best master's degree (Jacob-Jacobi-Preis) by the Faculty of Science at Universität Potsdam
grad 50 4 November 2015: Karola Schulz has successfully defended her BSc thesis on "Timescales for Snowball Earth glaciation and deglaciation" at Universität Potsdam
grad 50 September 2015: Julia Brugger has successfully defended her MSc thesis on "Simulating the climatic effects of the Chicxulub impact with a coupled atmosphere-ocean model" at Universität Potsdam
September 2015: Has the rise of algae contributed to Snowball Earth cooling? New study published in Nature Geoscience, see also the PIK News
grad 50 July 2015: Levke Caesar has successfully defended her MSc thesis on "Testing and tuning the new Potsdam Earth Model POEM" at Universität Potsdam
May 2015: I have completed the training course Senior Teaching Professionals at the Potsdam Graduate School, Universität Potsdam
May 2015: Has the Atlantic Meridional Overturning Circulation weakened during the 20th century? New study published in Nature Climate Change, see also the press release
March 2015: I have been appointed Chief Editor for Climate Change of the new journal Global Challenges (Wiley Open Access)

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21 January 2015: Invited presentation on the reproducibility challenge in climate science at conference "Academic Publishing in Europe", Berlin-Brandenburgische Akademie der Wissenschaften, Berlin

2014

talk 50

13 November 2014: Invited presentation on the reproducibility challenge in climate science at ETH Zürich
15 October 2014 – 4 February 2015: Lecture on climate modelling (Einführung in die Klimamodellierung), Institut für Physik und Astronomie, Universität Potsdam
snowball_50.png August 2014: At which point does Earth turn into a "Snowball"? Paper on the global glaciations around 700 million years ago published in Earth and Planetary Science Letters
grad 50 July 2014: Fabian Fischer has successfully completed his BSc thesis on early Eocene climate simulations at Ludwig-Maximilians-Universität München
grad 50 June 2014: Matteo Willeit had his PhD defense on vegetation-climate feedbacks at Potsdam University
gcii_logo_50.jpg April 2014: Several new papers resulting from PIK's contribution to the EU-funded Initial Training Network GREENCYCLES II have appeared in print over the past few months: Foley et al. (2013), Willeit, Ganopolski & Feulner (2014), Foley et al. (2014), Willeit et al. (2014)
2013
grad 50 December 2013: Julius Garbe has successfully completed his BSc thesis on the equable climate problem at Humboldt University Berlin
Northern hemisphere September 2013: New paper On the Origin of the Surface Air Temperature Difference Between the Hemispheres in Earth’s Present-Day Climate finally published in the Journal of Climate
talk 50 July 2013: Invited presentation on the long-term evolution of Earth's atmosphere and climate at the Max Planck Society symposium Origins of Life, Dresden, Germany
talk 50 June 2013: Invited presentation on Earth's climate history at the Space Research Institute (IWF) of the Austrian Academy of Sciences in Graz, Austria
grad 50 May 2013: Hendrik Kienert had his PhD defense on climate simulations of the faint young Sun problem at Potsdam University
talk 50 April 2013: Invited seminar on the faint young Sun paradox at the Institut für Meteorologie, Freie Universität Berlin, Germany
egu_plain_blue_50.jpg April 2013: Presentation Why is the Northern hemisphere warmer than the Southern hemisphere? at the EGU General Assembly 2013, Vienna, Austria
2012
Faint young Sun paradox December 2012: New paper Faint young Sun problem more severe due to ice-albedo feedback and higher rotation rate of the early Earth published in Geophysical Research Letters, see the press release
talk 50 September 2012: Invited presentation on climate model validation at conference Evaluation of Earth system models using modern and palaeo-observations in Cambridge, UK
Faint young Sun paradox May 2012: Review paper The faint young Sun problem published in Reviews of Geophysics
talk 50 February 2012: Invited presentation at symposium Solar Effects on Earth's Atmosphere and Climate at the 2012 Annual Meeting of the American Association for the Advancement of Science (AAAS)
2011
Little Ice Age August 2011: New paper Are the most recent estimates for Maunder Minimum solar irradiance in agreement with temperature reconstructions? published in Geophysical Research Letters, see the press release
talk 50 June 2011: Invited presentation at symposium The Impact of Solar Variability on the Earth at the 2011 General Assembly of the International Union of Geodesy and Geophysics (IUGG)
2010
talk 50 May 2010: Invited keynote presentation at the 2010 SORCE Science Meeting, Keystone, Colorado, 19-21 May 2010
Solar minimum March 2010: New paper On the Effect of a New Grand Minimum of Solar Activity on the Future Climate on Earth published in Geophysical Research Letters, see the press release 

 

 

Image credits: Asteroid impact: Shutterstock; Algal bloom: ESA; North Atlantic warming hole: Rahmstorf et al. (2015)/Nature Climate Change; Snowball Earth: various sources on the internet, original source unknown; GREENCYCLES-II logo: GREENCYCLES-II network; Northern hemisphere: Wikimedia Commons (public domain); Archean landscape, graduation icon, presentation icon: Georg Feulner; Winter Landscape with Bird Trap by Pieter Bruegel the Elder: Wikimedia Commons (public domain); Sun without sunspots: NASA (public domain); Wiley Open Access logo: John Wiley & Sons; Universität Potsdam logo: Universität Potsdam.