Staff

Sebastian Wahl

FB 1: Ozeanzirkulation und Klimadynamik
FE Maritime Meteorologie

Office:

Phone:: +49 431 600 4062
Email:: swahl(at)geomar.de

Address:
Wischhofstraße 1-3
24148 Kiel

Work and Education

2000 - 2006: Meteorology (major) and Oceanography/Computer science (minors) studies at Kiel University, Thesis: Parametrisierung dreidimensionaler Strahlungssflüsse in ECHAM5 (only abstract available in english)
2003 - 2006: Scientific Programmer GEOMAR, Research Division 1, Department Theory and Modeling
2006 - 2009: PhD (Prof. Dr. Mojib Latif, Dr. Noel Keenlyside), subject : The Tropical Atlantic SST Bias in the Kiel Climate Model
2010 - 2011: Programmer WetterWelt GmbH Kiel
2012 - 2013: Head of IT department WetterWelt GmbH Kiel
2013 - today: Scientific Programmer at GEOMAR
2019 - today: Technical lead, FOCI climate model development

Publications

Number of items: 42.

Articles in a Scientific Journal - peer-reviewed

Huo, W. , Spiegl, T., Wahl, S. , Matthes, K. , Langematz, U., Pohlmann, H. and Kröger, J. (Submitted) Assessment of the 11-year solar cycle signals in the middle atmosphere in multiple-model ensemble simulations.

EGUsphere . DOI 10.5194/egusphere-2024-1288.

Savita, A., Kjellsson, J. , Kedzierski, R. P. , Latif, M. , Rahm, T., Wahl, S. and Park, W. (2024) Assessment of Climate Biases in OpenIFS Version 43R3 across Model Horizontal Resolutions and Time Steps.

Geoscientific Model Development, 17 (4). pp. 1813-1829. DOI 10.5194/gmd-17-1813-2024.

[thumbnail of JGR Atmospheres - 2024 - Huo - Impacts of North Atlantic Model Biases on Natural Decadal Climate Variability.pdf]

Huo, W. , Drews, A. , Martin, T. and Wahl, S. (2024) Impacts of North Atlantic Model Biases on Natural Decadal Climate Variability.

Journal of Geophysical Research: Atmospheres, 129 (4). Art.Nr. e2023JD039778. DOI 10.1029/2023JD039778.

[thumbnail of Geophysical Research Letters - 2023 - Bischof - The Role of the North Atlantic for Heat Wave Characteristics in Europe an.pdf]

[thumbnail of 2023gl105280-sup-0001-supporting information si-s01.pdf]

Bischof, S. , Pilch Kedzierski, R. , Hänsch, M., Wahl, S. and Matthes, K. (2023) The Role of the North Atlantic for Heat Wave Characteristics in Europe, an ECHAM6 Study.

Geophysical Research Letters, 50 (23). Art.Nr. e2023GL105280. DOI 10.1029/2023GL105280.

[thumbnail of wcd-4-471-2023-supplement.pdf]

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.

[thumbnail of a-climate-index-collection-based-on-model-data.pdf]

Landt-Hayen, M., Rath, W. , Wahl, S. , Niebaum, N., Claus, M. and Kröger, P. (2023) A climate index collection based on model data.

Environmental Data Science, 2 . Art.Nr. e9. DOI 10.1017/eds.2023.5.

[thumbnail of gmd_15_5987_2022_supplement.pdf]

Chien, C. T. , Durgadoo, J. V. , Ehlert, D., Frenger, I. , Keller, D. P. , Koeve, W. , Kriest, I. , Landolfi, A. , Patara, L. , Wahl, S. and Oschlies, A. (2022) FOCI-MOPS v1 – Integration of Marine Biogeochemistry within the Flexible Ocean and Climate Infrastructure version 1 (FOCI 1) Earth system model.

Geoscientific Model Development, 15 . pp. 5987-6024. DOI 10.5194/gmd-15-5987-2022.

[thumbnail of wcd-3-139-2022-supplement.pdf]

Ivanciu, I. , Matthes, K. , Biastoch, A. , Wahl, S. and Harlaß, J. (2022) Twenty-first century Southern Hemisphere impacts of ozone recovery and climate change from the stratosphere to the ocean.

Weather and Climate Dynamics, 3 . pp. 139-171. DOI 10.5194/wcd-3-139-2022.

[thumbnail of Geophysical Research Letters - 2022 - Ivanciu - On the Ridging of the South Atlantic Anticyclone Over South Africa The.pdf]

[thumbnail of 2022gl099607-sup-0001-supporting information si-s01.pdf]

Ivanciu, I. , Ndarana, T., Matthes, K. and Wahl, S. (2022) On the Ridging of the South Atlantic Anticyclone Over South Africa: The Impact of Rossby Wave Breaking and of Climate Change.

Geophysical Research Letters, 49 (20). e2022GL099607. DOI 10.1029/2022GL099607.

[thumbnail of acp-21-5777-2021-supplement.pdf]

Ivanciu, I. , Matthes, K. , Wahl, S. , Harlaß, J. and Biastoch, A. (2021) Effects of prescribed CMIP6 ozone on simulating the Southern Hemisphere atmospheric circulation response to ozone depletion.

Atmospheric Chemistry and Physics, 21 (8). pp. 5777-5806. DOI 10.5194/acp-21-5777-2021.

[thumbnail of acp-20-14043-2020-supplement.pdf]

Haase, S. , Fricke, J., Kruschke, T. , Wahl, S. and Matthes, K. (2020) Sensitivity of the southern hemisphere circumpolar jet response to Antarctic ozone depletion: prescribed versus interactive chemistry.

Atmospheric Chemistry and Physics, 20 . pp. 14043-14061. DOI 10.5194/acp-20-14043-2020.

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.

[thumbnail of 10.1007_s00382-017-3890-8.pdf]

Kemena, T. P. , Matthes, K. , Martin, T. , Wahl, S. and Oschlies, A. (2018) Atmospheric feedbacks in North Africa from an irrigated, afforested Sahara. Climate Dynamics, 50 (11-12). pp. 4561-4581. DOI 10.1007/s00382-017-3890-8.

Silverman, V., Harnik, N., Matthes, K. , Lubis, S. W. and Wahl, S. (2018) Radiative effects of ozone waves on the Northern Hemisphere polar vortex and its modulation by the QBO.

Atmospheric Chemistry and Physics, 18 (9). pp. 6637-6659. DOI 10.5194/acp-18-6637-2018.

[thumbnail of gmd-11-1695-2018-supplement.zip]

Schultz, M. G., Stadtler, S., Schröder, S., Taraborrelli, D., Franco, B., Krefting, J., Henrot, A., Ferrachat, S., Lohmann, U., Neubauer, D., Siegenthaler-Le Drian, C., Wahl, S. , Kokkola, H., Kühn, T., Rast, S., Schmidt, H., Stier, P., Kinnison, D., Tyndall, G. S., Orlando, J. J. and Wespes, C. (2018) The chemistry–climate model ECHAM6.3-HAM2.3-MOZ1.0.

Geoscientific Model Development, 11 . pp. 1695-1723. DOI 10.5194/gmd-11-1421-2018.

Lubis, S. W., Matthes, K. , Harnik, N., Omrani, N. E. and Wahl, S. (2018) Downward Wave Coupling between the Stratosphere and Troposphere under Future Anthropogenic Climate Change.

Journal of Climate, 31 (10). pp. 4135-4155. DOI 10.1175/JCLI-D-17-0382.1.

[thumbnail of acp-17-2437-2017-supplement.pdf]

Lubis, S. W., Silverman, V., Matthes, K. , Harnik, N., Omrani, N. E. and Wahl, S. (2017) How Does Downward Planetary Wave Coupling Affect Polar Stratospheric Ozone in the Arctic Winter Stratosphere?.

Atmospheric Chemistry and Physics, 17 . pp. 2437-2458. DOI 10.5194/acp-17-2437-2017.

[thumbnail of jas-d-15-0189-published.pdf]

Lubis, S. W., Omrani, N. E., Matthes, K. and Wahl, S. (2016) Impact of the Antarctic Ozone Hole on the Vertical Coupling of the Stratosphere-Mesosphere-Lower Thermosphere System.

Journal of the Atmospheric Sciences, 73 (6). pp. 2509-2528. DOI 10.1175/JAS-D-15-0189.1.

Lubis, S. W., Matthes, K. , Omrani, N. E. , Harnik, N. and Wahl, S. (2016) Influence of the Quasi-Biennial Oscillation and Sea Surface Temperature Variability on Downward Wave Coupling in the Northern Hemisphere.

Journal of the Atmospheric Sciences, 73 (5). pp. 1943-1965. DOI 10.1175/JAS-D-15-0072.1.

Hansen, F. , Matthes, K. and Wahl, S. (2016) Tropospheric QBO-ENSO interactions and differences between Atlantic and Pacific.

Journal of Climate, 29 (4). pp. 1353-1368. DOI 10.1175/JCLI-D-15-0164.1.

Ding, H., Keenlyside, N. S., Latif, M. , Park, W. and Wahl, S. (2015) The Impact of Mean State Errors on Equatorial Atlantic Interannual Variability in a Climate Model.

Journal of Geophysical Research: Oceans, 120 (2). pp. 1133-1151. DOI 10.1002/2014JC010384.

[thumbnail of 790_Wahl_2009_OnTheTropicalAtlanticSst_Artzeit_pubid12363.pdf]

Wahl, S. , Latif, M. , Park, W. and Keenlyside, N. (2011) On the Tropical Atlantic SST warm bias in the Kiel Climate Model. Climate Dynamics, 36 (5-6). pp. 891-906. DOI 10.1007/s00382-009-0690-9.

Articles in a Scientific Journal - without review

Wahl, S. , Macke, A. and Schulz, J. (2003) Precipitable water in cloudy areas -Literature study-. VS-PLAN 7.7, Visiting Scientist Report within the SAF on Climate Monitoring .

Conference papers

Landt-Hayen, M., Rath, W. , Wahl, S. and Claus, M. (2023) CICMoD - A Climate Index Collection Benchmark. [Paper] In: The 31st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL ’23). , 13.-16.11.2023, Hamburg, Germany .

Presentations

Ivanciu, I. , Biastoch, A. , Matthes, K. , Wahl, S. and Harlass, J. (2021) Stratospheric Ozone Recovery Slows Down Future Agulhas Leakage Increase due to Climate Change.

[Talk] In: AGU Fall Meeting 2021. , 13.-17.12.2021, New Orleans, USA & Online .

Haase, S. , Fricke, J., Kruschke, T. , Wahl, S. and Matthes, K. (2020) Sensitivity of the Southern Hemisphere Atmospheric Jet Response to Antarctic Ozone Depletion: Prescribed versus Interactive Chemistry. [Talk] In: AGU Fall Meeting 2020. , 01.-17.12.2020, Online, San Francisco, USA .

[thumbnail of Ivanciu_DynVarMIP_workshop_Madrid_2019_final_short.pdf]

Ivanciu, I. , Matthes, K. , Biastoch, A. , Wahl, S. and Harlass, J. (2019) Relative contributions from CO2 and ozone on Southern Hemisphere westerly winds and their consequences for ocean circulation. [Talk] In: Atmospheric Circulation in a Changing Climate - A joint DynVarMIP, SPARC DynVar and SNAP Meeting. , 22.-25.10.2019, Madrid, Spain .

Neef, L. J., Pilch Kedzierski, R. , Matthes, K. , Wang, W. and Wahl, S. (2016) Does data assimilation destroy or enhance the Tropopause Inversion Layer?. [Talk] In: SPARC Workshop SHARP2016 Stratospheric Change and its Role for Climate Prediction. , 16.-19.02.2016, Berlin, Germany .

Ding, H., Keenlyside, N. S., Latif, M. , Wahl, S. and Park, W. (2012) Sensitivity of equatorial Atlantic variability to mean states. [Talk] In: Ocean Sciences Meeting 2012. , 20.-24.02.2012, Salt Lake City, USA .

Wahl, S. , Latif, M. , Park, W. and Keenlyside, N. (2009) On the Tropical Atlantic SST Bias in the Kiel Climate Model. [Talk] In: AGU Fall Meeting. , 14.12.2009, San Francisco, CA .

Keenlyside, N., Ding, H., Dommenget, D., Jansen, M., Latif, M. , Park, W. and Wahl, S. (2007) Equatorial Atlantic climate variability: Is there any dynamical predictability?. [Talk] In: Second International AMMA Conference. , 26.-30.11, Karlsruhe .

Conference posters

[thumbnail of ME_sbischof_11005_CACTI_A0.pdf]

Bischof, S. , Rethmeier, P., Pilch Kedzierski, R. , Huo, W. and Wahl, S. (2023) Surface response to extreme events in the stratosphere under different global warming thresholds.

[Poster] In: CACTI Workshop 2023. , 13.-15.06.2023, Kiel, Germany .

[thumbnail of ME_sbischof_11005_IUGG2023_A0.pdf]

Bischof, S. , Rethmeier, P., Pilch Kedzierski, R. , Huo, W. and Wahl, S. (2023) Characteristics and Surface Impacts of Southern Hemisphere Minor Stratospheric Warmings under Different Global Warming Levels.

[Poster] In: IUGG General Assembly 2023. , 12.-19.07.2023, Berlin, Germany .

[thumbnail of Kemena_CESymposiumBerlin_2015.pdf]

Kemena, T. , Matthes, K. , Martin, T. , Wahl, S. and Oschlies, A. (2015) Climatic impacts of irrigated afforestation of the Sahara in a complex Earth System Model. [Poster] In: Climate Engineering Research Symposium 2015. , 07.-10.07.2015, Berlin, Germany .

Brandt, P. , Böning, C. W. , Latif, M. , Stramma, L. , Hormann, V., Hüttl, S., Funk, A., Keenlyside, N., Wahl, S. and Ding, H. (2008) BMBF North Atlantic - Subproject 1.2: Role of the equatorial Atlantic as key region for Atlantic climate variability. [Poster] In: Statusseminar des Projekts "Nordatlantik". , 20.02, Hamburg .

Wahl, S. and Macke, A. (2008) Application of different 3d radiative flux parameterizations in the global atmospheric circulation model ECHAM 5. [Poster] In: EGU General Assembly. , 15.-20.04, Vienna, Austria .

Wahl, S. , Park, W. , Latif, M. and Macke, A. (2008) Tropical Atlantic Cloud Atmosphere Ocean Feedbacks in the Kiel Climate Model. [Poster] In: 4. PAN-GCSS meeting on "Advances in Modeling and observing clouds and convection". , 02.-06.06, Toulouse, France .

Wahl, S. , Park, W. , Latif, M. and Richter, I. (2008) Tropical Atlantic Ocean Feedbacks in the Kiel Climate Model. [Poster] In: EGU General Assembly. , 13.-18.04, Vienna, Austria .

Wahl, S. , Park, W. , Latif, M. and Macke, A. (2007) Einfluss der Atmosphäre auf SST-Abweichungen in Auftriebsgebieten. [Poster] In: DACH 2007. , 10.-14.09, Hamburg .

Wahl, S. , Macke, A. and Schewski, M. (2006) Application of 3D radiative flux parameterizations in the AGCM ECHAMS. [Poster] In: 12. Conference on Atmospheric Radiation / 12. Conference on Cloud Physics. , 10.07.-14.07, Madison, Wisconsin, USA .

Theses - not published by a publisher

[thumbnail of 952_Wahl_2009_TheTropicalAtlanticSstBias_Hschri_pubid12985.pdf]

Wahl, S. (2009) The Tropical Atlantic SST bias in the Kiel Climate Model.

(PhD/ Doctoral thesis), Christian-Albrechts-Universität, Kiel, 116 pp.

Wahl, S. (2006) Parametrisierung dreidimensionaler Strahlungssflüsse in ECHAM5. (Diploma thesis), Christian-Albrechts-Universität, Kiel, Germany, 111 pp.

This list was generated on Wed Dec 25 18:43:59 2024 CET.