Dr. Johannes Pein
Dr. Johannes Pein
Hydrodynamics and Data Assimilation
ScientistPhone: +49 (0)4152 87-1564
Research:
• Hydrodynamics
• Sediment dynamics
• Coastal ocean
• Biogeochemical modelling
• Estuarine dynamics
• Climate change
• Human intervention
• Adaption and mitigation strategies
Current Projects
Closed Projects
- CEASELESS Copernicus Evolution and Applications with Sentinel Enhancements and Land Effluents for Shores and Seas
- Future Ems The future of the Ems-Dollart estuary – tackling environmental degradation
Curriculum Vitae
Professional Career:
2016 – today:
Helmholtz-Zentrum Hereon, scientist (Postdoc) in hydrodynamic modelling
- ocean modelling with unstructured grids
- estuarine modelling of hydrodynamics and suspended particular matter
- biogeochemical modelling in the regional ocean
2012 – 2015:
University of Oldenburg, Institute of the Chemistry and Biology of the Marine Enviroment, scientific assistant
Section: Coastal research
Education:
2012 – 2015:
University of Oldenburg, Institute of the Chemistry and Biology of the Marine Enviroment, PhD studies in marine sciences:
- topic: „The hydrodynamics of the Ems estuary”
- supervisor: Prof. Dr. Emil V. Stanev
- academic title: Dr. rer. nat since March 2016
2009 – 2012:
University of Oldenburg, Institute of the Chemistry and Biology of the Marine Enviroment, Master studies in environmental modelling:
- graduation: master (M. Sc.) in environmental modelling
- master thesis: „The hydrodynamics in Ems-Dollart estuary“
- supervisor: Prof. Dr. Emil V. Stanev
2006 –2009:
University of Freiburg i. Br. Institute of Forestry
Bachelor studies in forestry and natural sciences in ecology
- graduation: bachelor (B.Sc.) in forest sciences
- bachelor thesis: „Time-series analysis of wind-induced tree sways“
- supervisor: Prof. Dr. Helmut Mayer
Working Groups
2016 – ongoing: Departement “Hydrodynamics and Datat Assimilation“, Institute of Coastal Research, Helmholtz-Zentrum Hereon
2011 – 2015: Coastal research, University of Oldenburg
Projects/ Collaborations
- CliCCs (2017)
- Ceaseless (2017)
- Future Ems (2012 - 2016)
- Hosseini, S.T., Siadatmousavi, S.M., Stanev, E., Pein, J., & Schrum, C. (2024): Transitions between different estuarine states in a low-inflow estuary of arid coasts (Mond Estuary, Persian Gulf) with a focus on freshwater lenses. Regional Studies in Marine Science, Vol 74, 103525, doi:10.1016/j.rsma.2024.103525
- Pein, J., & Staneva, J. (2024): Eutrophication hotspots, nitrogen fluxes and climate impacts in estuarine ecosystems: A model study of the Odra estuary system. Ocean Dynamics 74, 335–354 (2024), doi:10.1007/s10236-024-01607-w
- Gresse, E., Hawxwell, T., Jantke, K., Hoffmann, P., Huang-Lachmann, J., Langendijk, G., Pein, J., Reveco Umaña, C., Schneider, U., Schrum, C., & Scheffran, J. (2023): Sustainable ways of adapting to climate change. In: Engels, A., Marotzke, J., Gresse, E., López-Rivera, A., Pagnone, A., & Wilkens, J. (eds): Hamburg Climate Futures Outlook: The plausibility of a 1.5°C limit to global warming - social drivers and physical processes. ses. Cluster of Excellence Climate, Climatic Change, and Society (CLICCS), Hamburg, Germany, doi:10.25592/uhhfdm.11230
- Gresse, E., Schrum, C., Hanf, F., Jantke, K., Pein, J., Hawxwell, T., Hoffmann, P., Guillén Bolaños, T., Langendijk, G., Schneider, U., Huang-Lachmann, J., Neuburger, M., Umaña, C., Seiffert, R., Wickel, M., Sillmann, J., Scheffran, J., & Held, H. (2023): Towards a Sustainable Adaptation Plausibility Framework. In: Engels, A., Marotzke, J., Gresse, E., López-Rivera, A., Pagnone, A., & Wilkens, J. (eds): Hamburg Climate Futures Outlook: The plausibility of a 1.5°C limit to global warming - social drivers and physical processes. ses. Cluster of Excellence Climate, Climatic Change, and Society (CLICCS), Hamburg, Germany, doi:10.25592/uhhfdm.11230
- Gresse, E., Schrum, C., Hoffmann, P., Guillén Bolaños, T., Hanf, F., & Pein, J. (2023): Plausibility assessment methodology. In: Engels, A., Marotzke, J., Gresse, E., López-Rivera, A., Pagnone, A., & Wilkens, J. (eds): Hamburg Climate Futures Outlook: The plausibility of a 1.5°C limit to global warming - social drivers and physical processes. ses. Cluster of Excellence Climate, Climatic Change, and Society (CLICCS), Hamburg, Germany, doi:10.25592/uhhfdm.11230
- Hosseini, S.T., Stanev, E., Pein, J., Valle-Levinson, A., & Schrum, C, (2023): Longitudinal and lateral circulation and tidal impacts in salt-plug estuaries. Front. Mar. Sci., 10:1152625, doi:10.3389/fmars.2023.1152625
- Kamjunke, N., Brix, H., Flöser, G., Bussmann, I., Schütze, C., Achterberg, E.P., Ködel, U., Fischer, P., Rewrie, L., Sanders, T., Pein, J., Jacob, B., Borchardt, D., & Weitere, M. (2023): Large-scale nutrient and carbon dynamics along the river-estuary-ocean continuum. Science of The Total Environment, Vol. 890, 164421, doi:10.1016/j.scitotenv.2023.164421
- Pein, J., Staneva, J., Mayer, B., Palmer, M.D., & Schrum, C. (2023): A framework for estuarine future sea-level scenarios: Response of the industrialised Elbe estuary to projected mean sea level rise and internal variability. Front. Mar. Sci., 10:1102485, doi:10.3389/fmars.2023.1102485
- Pein, J., Eisele, A., Sanders, T., Daewel, U., Stanev, E.V., van Beusekom, J.E.E., Staneva, J., & Schrum, C. (2021): Seasonal Stratification and Biogeochemical Turnover in the Freshwater Reach of a Partially Mixed Dredged Estuary. Front. Mar. Sci. 8:623714, doi:10.3389/fmars.2021.623714
- Pein, J., Staneva, J., Daewel, U., & Schrum, C. (2021): Channel curvature improves water quality and nutrient filtering in an artificially deepened mesotidal idealized estuary. Continental Shelf Research, Volume 231, 104582, doi:10.1016/j.csr.2021.104582
- Haid, V., Stanev, E.V., Pein, J., Staneva, J., & Chen, W. (2020): Secondary circulation in shallow ocean straits: Observations and numerical modeling of the Danish Straits. Ocean Modelling, Volume 148, 101585, doi:10.1016/j.ocemod.2020.101585
- Pein, J., Eisele, A., Hofmeister, R., Sanders, T., Daewel, U., Stanev, E.V., Beusekom, J. van, Staneva, J., & Schrum, C. (2019): Nitrogen cycling in the Elbe estuary from a joint 3D-modelling and observational perspective. Biogeosciences Discuss., doi:10.5194/bg-2019-265
- Stanev, E.V., Jacob, B., & Pein, J. (2019): German Bight estuaries: An inter-comparison on the basis of numerical modeling. Continental Shelf Research, Volume 174, Pages 48-65, doi:10.1016/j.csr.2019.01.001
- Pein, J., A. Valle-Levinson, E.V. Stanev (2018): Secondary Circulation Asymmetry in a Meandering, Partially Stratified Estuary. Journal of Geophysical Research: Oceans, 123, pp 1670-1683. https://doi.org/10.1002/2016JC012623
- Stanev, E.V., Pein, J., Grashorn, S., Zhang, Y., & Schrum, C. (2018): Dynamics of the Baltic Sea straits via numerical simulation of exchange flows. Ocean Modelling, Volume 131, pp 40-58, doi:10.1016/j.ocemod.2018.08.009
- Pein, J.U., Grayek, S., Schulz-Stellenfleth, J., & Stanev, E.V. (2016). On the impact of salinity observations on state estimates in Ems Estuary. Ocean Dynamics, 66(2), 243-262
- Stanev, E.V., Schulz-Stellenfleth, J., Staneva, J., Grayek, S., Grashorn, S., Behrens, A., & Pein, J. (2016). Ocean forecasting for the German Bight: from regional to coastal scales. Ocean Science, 12(5), 1105
- Pein, J.U., Stanev, E.V., & Zhang, Y.J. (2014). The tidal asymmetries and residual flows in Ems Estuary. Ocean Dynamics, 64(12), 1719-1741