Staff
![](/fileadmin/_processed_/e/b/csm_TobiasBayr_1_40a847d31e.jpg)
Dr. Tobias Bayr
Ocean Circulation and Climate Dynamics
Maritime Meteorology
Office:
Room: Geb. 5, 4.311
Phone: +49 431 600-4069
Fax: +49 431 600-4052
Email: tbayr(at)geomar.de
Address:
Wischhofstr. 1-3
D-24148 Kiel, Germany
Interests
- anthropogenic climate change
- Walker Circulation and El Niño/Southern Oscillation (ENSO)
- Climate communication and climate psychology
- Talks and workshop about climate change
Coordinator of Scientists for Future in Schleswig-Holstein
I am coordinator of the regional group of Scientists for Future in Schleswig-Holstein
Educational Climate Model MSCM
I am part of the development team of the Monash Simple Climate Model (MSCM). which was designed for educational purposes.
Private Homepage
Here you can find some suggestions, what each of us can do against climate change (only in German):
Curriculum Vitae
- since 2015: Postdoc in meteorology at GEOMAR, Kiel, Germany
- 2014-2015: Living and learning in Ecovillages
- 2010-2013: PhD in meteorology at GEOMAR, Kiel, Germany
- 2005-2010: Diploma in meteorology at Kiel University, Germany
- 2003-2005: studies of buisness administration at HTW Berlin, Germany
- 2000-2005: banker in Berlin, Germany
- 1999-2000: civilian service in Berlin, Germany
- 1999: Abitur in Husum, Germany
Publications
Number of items: 49.
Articles in a Scientific Journal - peer-reviewed
Bayr, T.
, Lübbecke, J. F.
and Fiedler, S.
(2024)
Is El Niño‐Southern Oscillation a Tipping Element in the Climate System?.
Geophysical Research Letters, 51
(13).
Art.Nr. e2023GL107848.
DOI 10.1029/2023GL107848.
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Zhang, Y., Bayr, T.
, Latif, M.
, Song, Z.
, Park, W.
and Reintges, A.
(2023)
Local and remote causes of the equatorial Pacific cold sea surface temperature bias in the Kiel Climate Model.
Journal of Climate, 36
(24).
pp. 8425-8442.
DOI 10.1175/jcli-d-22-0874.1.
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Latif, M.
, Bayr, T.
, Kjellsson, J.
, Lübbecke, J. F.
, Martin, T.
, Nnamchi, H. C.
, Park, W., Savita, A., Sun, J.
and Dommenget, D.
(2023)
Strengthening atmospheric circulation and trade winds slowed tropical Pacific surface warming.
Communications Earth & Environment, 4
(1).
Art.Nr. 249.
DOI 10.1038/s43247-023-00912-4.
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Casselman, J. W., Lübbecke, J. F.
, Bayr, T.
, Huo, W.
, Wahl, S.
and Domeisen, D. I. V.
(2023)
The teleconnection of extreme El Niño–Southern Oscillation (ENSO) events to the tropical North Atlantic in coupled climate models.
Weather and Climate Dynamics, 4
(2).
pp. 471-487.
DOI 10.5194/wcd-4-471-2023.
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Bayr, T.
and Latif, M.
(2023)
ENSO atmospheric feedbacks under global warming and their relation to mean-state changes.
Climate Dynamics, 60
.
pp. 2613-2631.
DOI 10.1007/s00382-022-06454-3.
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Siuts, T., Bayr, T.
and Lübbecke, J. F.
(2023)
Changes in ENSO Characteristics in Model Simulations with Considerably Altered Background Climate States.
Journal of Climate, 36
(2).
pp. 467-483.
DOI 10.1175/jcli-d-21-1004.1.
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Cai, W., Santoso, A., Collins, M., Dewitte, B., Karamperidou, C., Kug, J. S., Lengaigne, M., McPhaden, M. J., Stuecker, M. F., Taschetto, A. S., Timmermann, A., Wu, L., Yeh, S. W., Wang, G., Ng, B., Jia, F., Yang, Y., Ying, J., Zheng, X. T., Bayr, T.
, Brown, J. R., Capotondi, A., Cobb, K. M., Gan, B., Geng, T., Ham, Y. G., Jin, F. F., Jo, H. S., Li, X., Lin, X., McGregor, S., Park, J. H., Stein, K., Yang, K., Zhang, L. and Zhong, W.
(2021)
Changing El Niño–Southern Oscillation in a warming climate.
Nature Reviews Earth & Environment, 2
.
pp. 628-644.
DOI 10.1038/s43017-021-00199-z.
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Beobide-Arsuaga, G., Bayr, T.
, Reintges, A.
and Latif, M.
(2021)
Uncertainty of ENSO-amplitude projections in CMIP5 and CMIP6 models.
Climate Dynamics, 56
.
pp. 3875-3888.
DOI 10.1007/s00382-021-05673-4.
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Bayr, T.
, Drews, A.
, Latif, M.
and Lübbecke, J. F.
(2021)
The interplay of thermodynamics and ocean dynamics during ENSO growth phase.
Climate Dynamics, 56
.
pp. 1681-1697.
DOI 10.1007/s00382-020-05552-4.
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Planton, Y. Y., Guilyardi, E., Wittenberg, A. T., Lee, J., Gleckler, P. J., Bayr, T.
, McGregor, S., McPhaden, M. J., Roehrig, R., Vialard, J. and Voldoire, A.
(2021)
Evaluating climate models with the CLIVAR 2020 ENSO metrics package.
Bulletin of the American Meteorological Society, 102
(2).
E193-E217.
DOI 10.1175/BAMS-D-19-0337.1.
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Matthes, K.
, Biastoch, A.
, Wahl, S.
, Harlaß, J.
, Martin, T.
, Brücher, T., Drews, A.
, Ehlert, D., Getzlaff, K.
, Krüger, F., Rath, W.
, Scheinert, M.
, Schwarzkopf, F. U.
, Bayr, T.
, Schmidt, H.
and Park, W.
(2020)
The Flexible Ocean and Climate Infrastructure Version 1 (FOCI1): Mean State and Variability.
Geoscientific Model Development, 13
.
pp. 2533-2568.
DOI 10.5194/gmd-13-2533-2020.
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Bayr, T.
, Dommenget, D. and Latif, M.
(2020)
Walker Circulation controls ENSO Atmospheric Feedbacks in Uncoupled and Coupled Climate Model Simulations.
Climate Dynamics, 54
.
pp. 2831-2846.
DOI 10.1007/s00382-020-05152-2.
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Prigent, A.
, Lübbecke, J. F.
, Bayr, T.
, Latif, M.
and Wengel, C.
(2020)
Weakened SST variability in the tropical Atlantic Ocean since 2000.
Climate Dynamics, 54
.
pp. 2731-2744.
DOI 10.1007/s00382-020-05138-0.
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Bayr, T.
, Domeisen, D. I. V. and Wengel, C.
(2019)
The effect of the equatorial Pacific cold SST bias on simulated ENSO teleconnections to the North Pacific and California.
Climate Dynamics, 53
(7-8).
pp. 3771-3789.
DOI 10.1007/s00382-019-04746-9.
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Bayr, T.
, Wengel, C., Latif, M.
, Dommenget, D., Lübbecke, J. F.
and Park, W.
(2019)
Error compensation of ENSO atmospheric feedbacks in climate models and its influence on simulated ENSO dynamics.
Climate Dynamics, 53
(1-2).
pp. 155-172.
DOI 10.1007/s00382-018-4575-7.
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Dommenget, D., Nice, K., Bayr, T.
, Kasang, D., Stassen, C. and Rezny, M.
(2019)
The Monash Simple Climate Model experiments (MSCM-DB v1.0): an interactive database of mean climate, climate change, and scenario simulations.
Geoscientific Model Development, 12
.
pp. 2155-2179.
DOI 10.5194/gmd-2018-143.
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Wengel, C., Latif, M.
, Park, W.
, Harlaß, J.
and Bayr, T.
(2019)
Eastern equatorial Pacific sea surface temperature annual cycle in the Kiel Climate Model: simulation benefits from enhancing atmospheric resolution.
Climate Dynamics, 52
(3-4).
pp. 1983-2003.
DOI 10.1007/s00382-018-4233-0.
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Timmermann, A., An, S. I., Kug, J. S., Jin, F. F., Cai, W., Capotondi, A., Cobb, K. M., Lengaigne, M., McPhaden, M. J., Stuecker, M. F., Stein, K., Wittenberg, A. T., Yun, K. S., Bayr, T.
, Chen, H. C., Chikamoto, Y., Dewitte, B., Dommenget, D., Grothe, P., Guilyardi, E., Ham, Y. G., Hayashi, M., Ineson, S., Kang, D., Kim, S., Kim, W., Lee, J. Y., Li, T., Luo, J. J., McGregor, S., Planton, Y., Power, S., Rashid, H., Ren, H. L., Santoso, A., Takahashi, K., Todd, A., Wang, G., Wang, G., Xie, R., Yang, W. H., Yeh, S. W., Yoon, J., Zeller, E. and Zhang, X.
(2018)
El Nino–Southern Oscillation complexity.
Nature, 559
(7715).
pp. 535-545.
DOI 10.1038/s41586-018-0252-6.
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Bayr, T.
, Latif, M.
, Dommenget, D., Wengel, C., Harlaß, J.
and Park, W.
(2018)
Mean-state dependence of ENSO atmospheric feedbacks in climate models.
Climate Dynamics, 50
(9-10).
pp. 3171-3194.
DOI 10.1007/s00382-017-3799-2.
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Wengel, C., Dommenget, D., Latif, M.
, Bayr, T.
and Vijayeta, A.
(2018)
What Controls ENSO-Amplitude Diversity in Climate Models?.
Geophysical Research Letters, 45
(4).
pp. 1989-1996.
DOI 10.1002/2017GL076849.
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Wengel, C., Latif, M.
, Park, W.
, Harlaß, J.
and Bayr, T.
(2018)
Seasonal ENSO phase locking in the Kiel Climate Model: The importance of the equatorial cold sea surface temperature bias.
Climate Dynamics, 50
(3-4).
pp. 901-919.
DOI 10.1007/s00382-017-3648-3.
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Bayr, T.
, Dommenget, D., Martin, T.
and Power, S. B.
(2014)
The eastward shift of the Walker Circulation in response to global warming and its relationship to ENSO variability.
Climate Dynamics, 43
(9-10).
pp. 2747-2763.
DOI 10.1007/s00382-014-2091-y.
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Dommenget, D., Haase, S.
, Bayr, T.
and Frauen, C.
(2014)
Analysis of the Slab-Ocean El Nino Atmospheric Feedbacks in Observed and Simulated ENSO Dynamics.
Climate Dynamics, 42
(11-12).
pp. 3187-3205.
DOI 10.1007/s00382-014-2057-0.
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Bayr, T.
and Dommenget, D.
(2014)
Comparing the spatial structure of variability in two datasets against each other on the basis of EOF-modes.
Climate Dynamics, 42
(5-6).
pp. 1631-1648.
DOI 10.1007/s00382-013-1708-x.
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Bayr, T.
and Dommenget, D.
(2013)
The Tropospheric Land-Sea Warming Contrast as the Driver of Tropical Sea Level Pressure Changes.
Journal of Climate, 26
(4).
pp. 1387-1402.
DOI 10.1175/JCLI-D-11-00731.1.
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Dommenget, D., Bayr, T.
and Frauen, C.
(2012)
Analysis of the non-linearity in the pattern and time evolution of El Nino southern oscillation.
Climate Dynamics, 40
(11-12).
pp. 2825-2847.
DOI 10.1007/s00382-012-1475-0.
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Book chapters
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Bayr, T.
(2020)
Die menschengemachte Klimaerwärmung und die Tiefsee.
In: Tiefsee - Vielfalt in der Dunkelheit.
, ed. by
Müller, T. and Hoffmann-Wieck, G..
Senckenberg-Buch, 83
.
Schweizerbart, Stuttgart, pp. 184-185.
ISBN 978-3-510-61415-8
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Presentations
Bayr, T.
, Latif, M.
, Dommenget, D., Wengel, C., Lübbecke, J. F.
, Drews, A.
, Beobide, G. and Park, W.
(2021)
The role of atmospheric feedbacks in ENSO simulation and projection.
[Talk]
In: The role of the atmosphere in El Niño/Southern Oscillation. , 17.2.2021, Kiel / Online .
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Bayr, T.
, Dommenget, D. and Latif, M.
(2020)
Walker Circulation controls ENSO Atmospheric Feedbacks in Uncoupled and Coupled Climate Model Simulations.
[Talk]
In: EGU General Assembly 2020. , 03.05.-08.05.2020, Vienna, Austria .
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Bayr, T.
(2018)
Between worry and hope: On which path is international climate protection?.
[Talk]
In: FB1 Seminar. , 3.12.2018, GEOMAR Kiel .
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Bayr, T.
, Latif, M.
, Wengel, C., Harlaß, J.
and Park, W.
(2018)
Improving ENSO in a Climate Model: Tuning vs. Flux correction.
[Talk]
In: 4. International Conference on El Nino Southern Oscillation: ENSO in a warmer Climate. , 16.-18.10.2018, Guayaquil, Ecuador .
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Bayr, T.
, Latif, M.
, Dommenget, D., Wengel, C., Lübbecke, J. F.
, Harlaß, J.
and Park, W.
(2018)
Mean-State Dependence of ENSO atmospheric feedbacks and ENSO dynamics in climate models.
[Invited talk]
In: EGU General Assembly 2018. , 08.-13.04.2018, Vienna, Austria .
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Bayr, T.
, Domeisen, D. I. V. and Wengel, C.
(2018)
How linear is the ENSO Teleconnection to the North Pacific? The Role of ENSO Atmospheric Feedbacks for Rainfall in California.
[Talk]
In: EGU General Assembly 2018. , 08.-13.04.2018, Vienna, Austria .
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Bayr, T.
, Latif, M.
, Dommenget, D., Wengel, C., Lübbecke, J. F.
and Park, W.
(2018)
The mean state dependence of ENSO atmospheric feedbacks and ENSO dynamics in climate models.
[Talk]
In: Seminar. , 15.3.2018, Bureau of Meteorology Melbourne, Australia .
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Bayr, T.
, Latif, M.
, Dommenget, D., Lübbecke, J. F.
, Wengel, C., Harlass, J.
and Park, W.
(2017)
The mean state dependence of ENSO atmospheric feedbacks and ENSO dynamics in climate models.
[Talk]
In: ENSO Complexity Workshop. , 16.-20.10.2017, Busan, South Korea .
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Bayr, T.
and Latif, M.
(2016)
Slab Ocean El Nino atmospheric feedbacks in Coupled Climate Models and its relationship to the Recharge Oscillator.
[Talk]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
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Bayr, T.
and Dommenget, D.
(2013)
The Inhomogeneous Tropospheric Warming as the Driver of Tropical Sea Level Pressure and Walker Circulation Changes.
[Talk]
In: AOGS 2013 : Asia Oceania Geosciences Society Annual Meeting. , 24.-28.06.2013, Brisbane, Australia .
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Bayr, T.
and Dommenget, D.
(2013)
The Inhomogeneous Tropospheric Warming as the driver of Tropical Sea Level Pressure and Walker Circulation Changes.
[Talk]
In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .
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Conference posters
Bayr, T.
, Latif, M.
, Drews, A.
, Lübbecke, J. F.
and Park, W.
(2019)
A new method, based on Offline Slab Ocean SST, to quantify the error compensation of ENSO atmospheric feedbacks in climate models.
[Poster]
In: EGU General Assembly 2019. , 07.-12.04.2019, Vienna, Austria .
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Bayr, T.
, Latif, M.
, Dommenget, D., Wengel, C., Harlaß, J.
and Park, W.
(2017)
Mean-State Dependence of ENSO Atmospheric Feedbacks in Climate Models.
[Poster]
In: EGU General Assembly 2017. , 23.-28.04.2017, Vienna, Austria .
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Bayr, T.
and Dommenget, D.
(2013)
Comparing the spatial structure of variability in two datasets against each other on the basis of EOF-modes.
[Poster]
In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .
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Bayr, T.
, Dommenget, D., Martin, T.
and Power, S.
(2013)
Eastward shift of the Walker Circulation under
global warming and its relationship to ENSO variability.
[Poster]
In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .
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Bayr, T.
and Dommenget, D.
(2012)
The Land-Sea Warming Contrast as the Driver of Tropical Sea Level Pressure Changes.
[Poster]
In: EGU General Assembly 2012. , 22.-27.04.2012, Vienna, Austria .
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Theses - not published by a publisher
Bayr, T.
(2013)
Tropical atmospheric circulation changes under global warming.
(PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 95 pp.
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Bayr, T.
(2010)
Die Veränderungen des Luftdrucks im IPCC A1B Szenario: Mittlerer Zustand und Muster der Variabilität.
(Diploma thesis), Christian-Albrechts-Universität, Kiel, Germany, 113 pp.
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