Julius Oelsmann, M.Sc.

Deutsches Geodätisches Forschungsinstitut und
Lehrstuhl für Geodätische Geodynamik (Prof. Seitz)

Postadresse
Arcisstr. 21
80333 München

Tel.: +49 (89) 23031-1263
Fax.: +49 (89) 23031-1240
julius.oelsmann@tum.de

Research Area

Satellite Altimetry, coastal relative sea level change, vertical land motion

Academic Career

  • since 04/2019, Research associate at Deutsches Geodätisches Forschungsinstitut der TU München (DGFI-TUM)
  • 01/2019 - 03/2019, Research associate at Max-Planck Institute for Meteorology (MPI-M)
  • 10/2016 - 01/2019, Master Degree in Physical Oceanography at the University of Hamburg (M.Sc.)
  • 10/2011 - 03/2016, Bachelor Degree in Mechanical Engineering at the Technische Universität Ilmenau (B.Sc.)

Functions/Memberships

Centre National d`Etudes Spatiales (CNES) / National Aeronautics and Space Administration (NASA)

  • Ocean Surface Topography Science Team, Member (since 2021)

European Space Agency (ESA)

  • Sea Level CCI+, Member (since 2020)

European Space Agency (ESA) / European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT)

  • Sentinel-6 Validation Team (S6VT), Member (since 2020)

International Space Science Insitute (ISSI), Team

  • Coastal Sea Level Rise: Observations and Causes, Member (since 2024)
  • Understanding the connection between coastal sea level and open ocean variability through space observations, Member (2022-2023)

Publications

2024

Oelsmann J., Marcos M., Passaro M., Sanchez L., Dettmering D., Dangendorf S., Seitz F.: Regional variations in relative sea-level changes influenced by nonlinear vertical land motion. Nature Geoscience, 137–144, 10.1038/s41561-023-01357-2, 2024 (Open Access)
Treu S., Muis S., Dangendorf S., Wahl T., Oelsmann J., Heinicke S., Frieler K., Mengel M.: Reconstruction of hourly coastal water levels and counterfactuals without sea level rise for impact attribution. Earth System Science Data, 16(2), 1121-1136, 10.5194/essd-16-1121-2024, 2024 (Open Access)

2023

Passaro M., Schlembach F., Oelsmann J., Dettmering D., Seitz F.: Coastal Assessment of Sentinel-6 Altimetry Data during the Tandem Phase with Jason-3. Remote Sensing, 15(17), 4161, 10.3390/rs15174161, 2023 (Open Access)
Treu S., Muis S., Dangendorf D., Wahl T., Oelsmann J., Heinicke S., Frieler K., Mengel M.: Hourly Coastal water levels with Counterfactual (HCC) (data). , 10.48364/ISIMIP.749905, 2023

2022

Cazenave A., Gouzenes Y., Birol, F., Leger F., Passaro M., Calafat F.M., Shaw A., Nino F., Legeais J.F., Oelsmann J., Restano M., Benveniste J.: Sea level along the world’s coastlines can be measured by a network of virtual altimetry stations. Communications Earth and Environment (Nature Portfolio), 3(1), 10.1038/s43247-022-00448-z, 2022 (Open Access)
Oelsmann J., Passaro M., Sánchez L., Dettmering D., Schwatke C., Seitz F.: Bayesian modelling of piecewise trends and discontinuities to improve the estimation of coastal vertical land motion. Journal of Geodesy, 96(9), 10.1007/s00190-022-01645-6, 2022 (Open Access)

2021

Dettmering D., Müller F. L., Oelsmann J., Passaro M., Schwatke C., Restano M., Benveniste J., Seitz F.: North SEAL: a new dataset of sea level changes in the North Sea from satellite altimetry. Earth System Science Data, 13(8), 3733-3753, 10.5194/essd-13-3733-2021, 2021 (Open Access)
Müller F. L., Oelsmann J., Dettmering D., Passaro M., Schwatke C., Restano M., Benveniste J., Seitz F.: North SEAL: Gridded Sea Level Anomalies and Trends for the North Sea from Multi-Mission Satellite Altimetry (data). Deutsches Geodätisches Forschungsinstitut, München. SEANOE, 10.17882/79673, 2021 (Open Access)
Oelsmann J., Passaro M., Dettmering D., Schwatke C., Sánchez L., Seitz F.: The zone of influence: matching sea level variability from coastal altimetry and tide gauges for vertical land motion estimation. Ocean Science, 17(1), 35--57, 10.5194/os-17-35-2021, 2021 (Open Access)
Passaro M., Müller F.L., Oelsmann J., Rautiainen L., Dettmering D., Hart-Davis M.G., Abulaitijiang A., Andersen O.B., Høyer J., Madsen K., Ringgaard I., Särkkä J., Scarrott R., Schwatke C., Seitz F., Tuomi L., Restano M., Benveniste J.: Absolute Baltic Sea Level Trends in the Satellite Altimetry Era: A Revisit. Frontiers in Marine Science, 8, 10.3389/fmars.2021.647607, 2021 (Open Access)

2020

Oelsmann J.,Borchert L.,Hand R.,Baehr J.,Jungclaus J. H.: Linking Ocean Forcing and Atmospheric Interactions to Atlantic Multidecadal Variability in MPI‐ESM1.2. Geophysical Research Letters, 47(10), 10.1029/2020gl087259, 2020 (Open Access)

Posters/Presentations

2023

Moreau T., Amarouche L., Amraoui S., Cadier E., Mangilli A., Prandi P., Taburet N., Tran N., Ablain M., Passaro M., Schlembach F., Oelsmann J., Dettmering D., Guccione P., Recchia L., Magalhaes J., da Silva J., Santos-Ferreira A.M., Timmermans B., Gommenginger C., Banks C., Donlon C., Maraldi C., Bignalet-Cazalet F., Boy F.: Sentinel-6 Michael Freilich and Jason-3 Tandem Flight Exploitation (S6-JTEX) study. OSTST 2023, Puerto Rico, USA, 2023
Oelsmann J., Marcos M., Passaro M., Sanchez L., Dettmering D., Seitz F.: Vertical land motion reconstruction unveils nonlinear effects on relative sea level. Coastal Altimetry Workshop and Coastal Altimetry Training, Cadiz, Spain, 2023

2022

González-Haro C., Passaro M., Müller F. L., Oelsmann J., González-Gambau V., Olmedo E., García-Espriu A., Turiel A., Fernández Prieto D., Sabia R., Restano M., Benveniste J.: Exploring synergies between remote sensing products developed under the framework of ESA Baltic+ initiative: Sea Surface Salinity and Sea Level. ESA Living Planet Symposium 2022, Bonn, Germany, 2022 (Poster)
Oelsmann J., Marcos M., Passaro M., Sanchez L., Dettmering D., Seitz F.: The impact of continuous space and time-resolving vertical land motion on relative sea level change. EGU General Assembly, Vienna, 2022
Oelsmann J., Marcos M., Passaro M., Sanchez L., Dettmering D., Seitz F.: Vertical land motion reconstruction unveils nonlinear effects on relative sea level. Sea level conference, Singapore, 2022
Passaro M., Müller F., Abulaitijang A., Andersen O.B., Chalencon E., Dettmering D., Hart-Davis M., Hoyer J.L., Oelsmann J., Ruatiainen L., Ringgaard I.M., Särkkä J., Scarrot R., Schwatke C., Skovgaard Madsen K., Tuomi L., Restano M., Benvenist J.: Baltic SEAL: new insights into the mean and variability of the sea level in the Satellite Altimetry era. OSTST Meeting 2022, Venice (Italy), 2022 (Poster)
Passaro M., Müller F.L., Abulaitijiang A., Andersen O.B., Chalençon E., Dettmering D., Hart-Davis M., Høyer J.L., Oelsmann J., Rautiainen L., Ringgaard I.M., Särkkä J., Scarrott R., Schwatke C., Seitz F., Skovgaard Madsen K., Tuomi L., Restano M., Benveniste J.: Baltic SEAL: new insights into the mean and variability of the sea level in the Satellite Altimetry era. ESA Living Planet Symposium 2022, ESA, Bonn (Germany), 2022 (Poster)

2021

Gouzenes Y., Cazenave A., Birol F., Calafat F.M., Passaro M., Leger F., Nino F., Shaw A.G.P., Legeais J.F., Benveniste J., Oelsmann J.: New network of altimetry-based virtual stations in the world coastal zones. AGU - Fall Meeting, Americal Geophysical Union, New Orleans, USA, 2021 (Poster)
Oelsmann J., Passaro M., Müller F.L., Dettmering D., Hart-Davis M.G., Abulaitijiang A., Andersen O.B., Chalençon E., Høyer J.L., Johansson M., Rautiainen L., Ringgaard I.M., Rinne E., Särkkä J., Scarrott R., Schwatke C., Seitz F., Skovgaard Madsen K., Tuomi L., Ambrozio A., Restano M., Benveniste J.: Absolute Baltic Sea Level Trends in the Satellite Altimetry Era: A Revisit. EGU General Assembly 2021, https://doi.org/10.5194/egusphere-egu21-2649, 2021
Oelsmann J., Passaro M., Sánchez L., Dettmering D., Schwatke C., Seitz F.: Bayesian modelling of discontinuities and piecewise trends (trend changes) improves coastal vertical land motion estimates. International Association of Geodesy (IAG) Scientific Assembly 2021, Beijing, China, 2021
Passaro M., Müller F.L., Abulaitijiang A., Andersen O. B., Dettmering D., Høyer J., Johansson M., Oelsmann J., Rautiainen L., Ringgaard I., Rinne E., Särkkä J., Scarrott R., Schwatke C., Seitz F., Skovgaard Madsen K., Tuomi L., Ambrozio A., Restano M., Benveniste J.: Baltic SEAL: New regional sea level product offers opportunities to clarify basin sea level budgets. HYDROSPACE-GEOGloWS 2021 'Inland Water Storage and Runoff: Modeling, In Situ Data and Remote Sensing', online, 2021 (Poster)
Passaro M., Müller F.L., Abulaitijiang A., Andersen O.B., Chalençon E., Dettmering D., Hart-Davis M.G., Høyer J.L., Oelsmann J., Rautiainen L., Ringgaard I.M., Särkkä J., Scarrott R., Schwatke C., Seitz F., Madsen K.S., Tuomi L., Restano M., Benveniste J.: Baltic SEAL: new insights into the mean and variability of the sea level in the Satellite Altimetry era. 1st Workshop of Inter-Commission Committee on Geodesy for Climate Research (ICCC) of the International Association of Geodesy (IAG), Online, 2021 (Poster)
Passaro M., Müller F.L., Abulaitijiang A., Andersen O.B., Chalençon E., Dettmering D., Hart-Davis M.G., Høyer J.L., Oelsmann J., Rautiainen L., Ringgaard I.M., Särkkä J., Scarrott R., Schwatke C., Seitz F., Madsen K.S., Tuomi L., Restano M., Benveniste J.: Baltic SEAL: new insights into the mean and variability of the sea level in the Satellite Altimetry era. 1st ESA Ocean Science Cluster Collocation Meeting, European Space Agency, online, 2021
Passaro M., Rautiainen L., Müller F.L., Abulaitijiang A., Andersen O.B., Dettmering D., Høyer J.L., Madsen K.S., Oelsmann J., Ringgard I.M., Särkkä J., Scarrott R., Schwatke C., Seitz F., Tuomi L., Restano M., Benveniste J.: Baltic SEAL: assessment and perspectives of Ku and Ka band sea level retrieval with and without sea ice coverage. DUAL-CRYO ESA Workshop, online, 2021

2020

Oelsmann J., Passaro M., Dettmering D., Sanchez L., Schwatke C., Seitz F.: The Zone of Influence Matching along-track coastal altimetry data with high-frequent tide gauge observations for vertical land motion estimation. 12th Coastal Altimetry Workshop, Frascati, Rom, Italien, 2020
Passaro M., Müller F. L., Abulaitijiang A., Andersen O. B., Dettmering D., Høyer J., Johansson M., Oelsmann J., Skovgaard Madsen K., Rautiainen L., Ringgaard I., Rinne E., Särkkä J., Scarrott R., Schwatke C., Seitz F., Tuomi L., Ambrozio A., Restano M., Benveniste J.:: Using the Baltic Sea to advance algorithms to extract altimetry-derived sea-level data from complex coastal areas, featuring seasonal sea-ice. European Geosciences Union (EGU) General Assembly 2020, 2020
Passaro M., Müller F., Abulaitijiang A., Andersen O., Dettmering D., Høyer J., Johansson M., Oelsmann J., Skovgaard Madsen K., Rautiainen L., Ringgaard I., Rinne E., Särkkä J., Scarrott R., Schwatke C., Seitz F., Tuomi L., Ambrozio A., Restano M., Benveniste J.: Coastal altimetry at high-latitudes: the Baltic SEAL project observing sea level among jagged coastline and sea ice . 12th Coastal Altimetry Workshop, ESA, ESA-ESRIN, Frascati (Rome), Italy, 2020
Rautiainen L., Tuomi L., Sarkka J., Johansson M., Müller F.L., Passaro M., Abulaitijiang A., Andersen O.B., Dettmering D., Hoyer J.L., Oelsmann J., Ringgaard I.J., Rinne E., Scarrott R., Schwatke C., Seitz F., Madsen K., Ambrozio A., Restano M., Benveniste J.: ESA Baltic+ SEAL: Using the Baltic Sea as a test-bed for developing advanced, regionalised sea-level products. 3rd Baltic Earth Conference, Helmhotz-Zentrum Geesthacht, Online Event, 2020 (Poster)

2019

Oelsmann J., Passaro M., Dettmering D., Sanchez L., Schwatke C., Seitz F.: Comparability of coastal altimetry with tide gauges and application for vertical land motion detection. Frontiers of geodetic science, Stuttgart, Germany, 2019
Scarrott R., Flood S., Passaro M., Müller F. L., Abulaitijiang A., Andersen O. B., Dettmering D., Høyer J., Johansson M., Skovgaard Madsen K., Rautiainen L., Ringgaard I., Rinne E., Särkkä J., Schwatke C., Oelsmann J., Seitz F., Tuomi L., Ambrozio A., Restano M., Benveniste J.: ESA Baltic SEAL: Setting course to advance satellite-derived sea-level products for jagged coastlines. 13th Irish Earth Observation Symposium (IEOS), Galway, Ireland, 2019 (Poster)

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