Publications
News
- Next regular meeting: 6/3/2025
- Next field campaign: 24/03/2025 to 28/03/2025
Contact (Spokesperson)
Prof. Dr. Gudrun Massmann
Carl von Ossietzky University of Oldenburg
Funding and duration
Funding: German Research Foundation (DFG)
Duration (1st Phase): 01.04.2021 -31.03.2025
Publications
Here you can find publications of DynaDeep. Besides peer-reviewed publications, articles about DynaDeep published in other forms, such as newspaper articles or press releases, are listed.
Furthermore, there are references to peer-reviewed publications of previous projects (e.g., "Barrier Island Mass Effect (BIME)", DFG-Ostplate), which were also conducted on Spiekeroog and are closely related to DynaDeep.
Peer-reviewed publications (chronological order)
Brick, S., Niggemann, J., Reckhardt, A., Könneke, M., Engelen, B. (2025). Interstitial microbial communities of coastal sediments are dominated by Nanoarchaeota. Front. Microbiol. 16:1532193. https://doi.org/10.3389/fmicb.2025.1532193
Massmann, G., Greskowiak, J., Degenhardt, J., Engelen, B., Holtappels, M., Meyer, M., Müller-Petke, M., Moosdorf, N., Niggemann, J., Pahnke, K., Post, V., Reckhardt, A., Schwalfenberg, K., Seibert, S., Waska, H., Winter, C. (2025, preprint only, not peer-reviewed yet). High Energy Systems are underrepresented in global porewater studies of sandy beach aquifers. Available at SSRN: http://dx.doi.org/10.2139/ssrn.5116301
Meyer, R., Greskowiak, J., Seibert, S.L., Post, V.E., Massmann, G. (2025). Effects of boundary conditions and aquifer parameters on salinity distribution and mixing controlled reactions in high-energy beach aquifers. Hydrology and Earth System Sciences Disc. 1–27. https://doi.org/10.5194/hess-2024-196.
Auer, F., Ahmerkamp, S., Cueto, J., Winter, C., Holtappels, M. (2025). Extensive oxygen consumption in the intertidal infiltration zone of beach aquifers—the impact of seasonal input, filtration efficiency, and morphodynamics. Journal of Geophysical Research: Biogeosciences, 130, e2024JG008291.
https://doi.org/10.1029/2024JG008291
Seibert, S. L., Massmann, G., Meyer, R., Post, V. E. A., Greskowiak, J. (2025). Reactive transport modeling to reveal the impacts of beach morphodynamics, storm floods and seasonal groundwater recharge on the biogeochemistry of sandy subterranean estuaries. Advances in Water Resources, Volume 196, 104884. https://doi.org/10.1016/j.advwatres.2024.104884
Abarike, G. A., Brick, S., Engelen, B., & Niggemann, J. (2024). Different dissolved organic matter sources sustain microbial life in a sandy beach subterranean estuary-An incubation study. Frontiers in Marine Science, 11, 1501781. http://doi.org/10.3389/fmars.2024.1501781
Jenner, A. K., Saban, R., Ehlert von Ahn, C. M., Roeser, P., Schmiedinger, I., Sültenfuß, J., Reckhardt,A. & Böttcher, M. E. (2024). Different continuous freshwater contributions to submarine groundwater discharge at a coastal peatland, southern Baltic Sea. Isotopes in Environmental and Health Studies, 1-19. https://doi.org/10.1080/10256016.2024.2422864
Reckhardt, A., Meyer, R., Seibert, S.L., Greskowiak, J., Roberts, M., Brick, S., Abarike, G., Amoako, K., Waska, H., Schwalfenberg, K., Schmiedinger, I., Wurl, O., Böttcher, M.E., Massmann, G., Pahnke, K. (2024). Spatial and temporal dynamics of groundwater biogeochemistry in the deep subsurface of a high-energy beach. Marine Chemistry 267, 104461, https://doi.org/10.1016/j.marchem.2024.104461
Reckhardt, A., Beck, M., Greskowiak, J., Waska, H., Ahrens, J., Grünenbaum, N., Massmann, G., Brumsack, H.-J. (2024). Zone-specific longshore sampling as a strategy to reduce uncertainties of SGD-driven solute fluxes from high-energy beaches. Estuarine, Coastal and Shelf Science 301, 108733, https://doi.org/10.1016/j.ecss.2024.108733
Seibert, S-L., Massmann, G., Meyer, R., Post, V.E.A., Greskowiak, J. (2024). Impact of mineral reactions and surface complexation on the transport of dissolved species in a subterranean estuary: Application of a comprehensive reactive transport modeling approach. Advances in Water Resources 191, 104763, https://doi.org/10.1016/j.advwatres.2024.104763.
Skibbe, N., Günther, T., Schwalfenberg, K., Meyer, R., Reckhardt, A., Greskowiak, J., Massmann, G. & Müller-Petke, M. (2024). Comparison of methods measuring electrical conductivity in coastal aquifers. Journal of Hydrology, 131905. https://doi.org/10.1016/j.jhydrol.2024.131905
Waska, H., Banko-Kubis, H.M (2024). Dissolved organic matter released from beach wrack is source-specific and molecularly highly diverse. Biogeochemistry. https://doi.org/10.1007/s10533-024-01159-7
da Silva R. C., Seidel, M., Dittmar, T., & Waska, H. (2023). Groundwater springs in the German Wadden Sea tidal flat: A fast-track terrestrial transfer route for nutrients and dissolved organic matter. Frontiers Marine Sciences 10-2023. https://doi.org/10.3389/fmars.2023.1128855
Greskowiak, J., Seibert, S. L., Post, V. E. A., & Massmann, G. (2023). Redox-zoning in high-energy subterranean estuaries as a function of storm floods, temperatures, seasonal groundwater recharge and morphodynamics. Estuarine, Coastal and Shelf Science, 290, 108418. https://doi.org/10.1016/j.ecss.2023.108418
Grünenbaum, N., Günther, T., Greskowiak, J., Vienken, T., Müller-Petke, M., Massmann, G. (2023). Salinity distribution in the subterranean estuary of a meso-tidal high-energy beach characterized by Electrical Resistivity Tomography and Direct Push technology. Journal of Hydrology 617, 129074, https://doi.org/10.1016/j.jhydrol.2023.129074
Massmann, G., Abarike, G., Amoako, K., Auer, F., Badewien, T.H., Berkenbrink, C., Böttcher, M.E., Brick, S., Medina Cordova, I.V., Cueto, J., Dittmar, T., Engelen, B., Freund, H., Greskowiak, J., Günther, T., Herbst, G., Holtappels, M., Marchant, H.K., Meyer, R., Müller-Petke, M., Niggemann, J., Pahnke, K., Pommerin, D., Post, V., Reckhardt, A., Roberts, M., Schwalfenberg, K., Seibert, S.L., Siebert, C., Skibbe, N., Waska, H., Winter, C., Zielinski, O. (2023). The DynaDeep observatory – a unique approach to study high-energy subterranean estuaries. Hypothesis and Theory, Frontiers in Marine Science, 110:1189281.
doi: 10.3389/fmars.2023.1189281 https://www.frontiersin.org/articles/10.3389/fmars.2023.1189281/full
Seibert, S. L., Greskowiak, J., Bungenstock, F., Freund, H., Karle, M., Meyer, R., et al. (2023). Paleo-hydrogeological modeling to understand present-day groundwater salinities in a low-lying coastal groundwater system (Northwestern Germany). Water Resources Research, 59, e2022WR033151. https://doi.org/10.1029/2022WR033151
Zielinski, O., Pieck, D., Schulz, J., Thölen, C., Wollschläger, J., Albinus, M., Badewien, T.H., Braun, A., Engelen, B., Feenders, C., Fock, S., Lehners, C., Lõhmus, K., Massmann, G., Meyerjürgens, J., Nicolai, H., Pollmann, T., Schwalfenberg, K., Stone, J., Waska, H. und Winkler, H. (2022). The Spiekeroog Coastal Observatory: A scientific infrastructure at the land-sea transition zone (southern North Sea). Frontiers in Marine Science, section Ocean Observation, 754905, doi.org/10.3389/fmars.2021.754905
Greskowiak, J. und Massmann, G. (2021). The impact of morphodynamics and storm floods on pore water flow and transport in the subterranean estuary. Hydrological Processes, e14050, doi.org/10.1002/hyp.14050
Related publications
Ahrens, J., Beck, M., Böning, P., Degenhardt, J., Pahnke, K., Schnetger, B. and Brumsack, H.J., (2021). Thallium cycling in pore waters of intertidal beach sediments. Geochimica et Cosmochimica Acta, 306, pp.321-339, doi.org/10.1016/j.gca.2021.04.009
Ahrens, J., Beck, M., Marchant, H.K., Ahmerkamp, S., Schnetger, B. and Brumsack, H.J., (2020). Seasonality of organic matter degradation regulates nutrient and metal net fluxes in a high energy sandy beach. Journal of Geophysical Research: Biogeosciences, 125(2), p.e2019JG005399, doi.org/10.1029/2019JG005399
Beck, M., Reckhardt, A., Amelsberg, J., Bartholomä, A., Brumsack, H.J., Cypionka, H., Dittmar, T., Engelen, B., Greskowiak, J., Hillebrand, H. and Holtappels, M., (2017). The drivers of biogeochemistry in beach ecosystems: a cross-shore transect from the dunes to the low-water line. Marine Chemistry, 190, pp.35-50, doi.org/10.1016/j.marchem.2017.01.001
Degenhardt, J., Dlugosch, L., Ahrens, J., Beck, M., Waska, H. and Engelen, B., 2020. Seasonal dynamics of microbial diversity at a sandy high energy beach reveal a resilient core community. Frontiers in Marine Science, p.869, doi.org/10.3389/fmars.2020.573570
Degenhardt, J., Khodami, S., Milke, F., Waska, H., Engelen, B. and Arbizu, P.M., (2021). The Three Domains of Life Within the Discharge Area of a Shallow Subterranean Estuary at a High Energy Beach. Frontiers in Environmental Science, doi.org/10.3389/fenvs.2021.642098
Degenhardt, J., Merder, J., Heyerhoff, B., Simon, H., Engelen, B. and Waska, H., (2021). Cross-Shore and Depth Zonations in Bacterial Diversity Are Linked to Age and Source of Dissolved Organic Matter across the Intertidal Area of a Sandy Beach. Microorganisms, 9(8), p.1720, doi.org/10.3390/microorganisms9081720
Grünenbaum, N., Ahrens, J., Beck, M., Gilfedder, B.S., Greskowiak, J., Kossack, M. and Massmann, G., (2020). A multi-method approach for quantification of in-and exfiltration rates from the subterranean estuary of a high energy beach. Frontiers in Earth Science, p.603, doi.org/10.3389/feart.2020.571310
Grünenbaum, N., Greskowiak, J., Sültenfuß, J. and Massmann, G., (2020). Groundwater flow and residence times below a meso-tidal high-energy beach: a model-based analyses of salinity patterns and 3H-3He groundwater ages. Journal of Hydrology, 587, p.124948, doi.org/10.1016/j.jhydrol.2020.124948
Linkhorst, A., Dittmar, T. and Waska, H., (2017). Molecular fractionation of dissolved organic matter in a shallow subterranean estuary: the role of the iron curtain. Environmental Science & Technology, 51(3), pp.1312-1320, doi.org/10.1021/acs.est.6b03608
Paffrath, R., Pahnke, K., Behrens, M.K., Reckhardt, A., Ehlert, C., Schnetger, B. and Brumsack, H.J., (2020). Rare earth element behavior in a sandy subterranean estuary of the southern North Sea. Frontiers in Marine Science, 7, p.424, doi.org/10.3389/fmars.2020.00424
Reckhardt, A., Beck, M., Greskowiak, J., Schnetger, B., Böttcher, M.E., Gehre, M. and Brumsack, H.J., (2017). Cycling of redox-sensitive elements in a sandy subterranean estuary of the southern North Sea. Marine Chemistry, 188, pp.6-17, doi.org/10.1016/j.marchem.2016.11.003
Reckhardt, A., Beck, M., Seidel, M., Riedel, T., Wehrmann, A., Bartholomä, A., Schnetger, B., Dittmar, T. and Brumsack, H.J., (2015). Carbon, nutrient and trace metal cycling in sandy sediments: a comparison of high-energy beaches and backbarrier tidal flats. Estuarine, Coastal and Shelf Science, 159, pp.1-14, doi.org/10.1016/j.ecss.2015.03.025
Reckhardt, A., Seibert, S.L., Holt, T., Ahrens, J., Beck, M., Massmann, G. and Brumsack, H.J., (2021). Cycling of redox-sensitive trace metals in barrier island freshwater lenses. Science of The Total Environment, 768, p.144964, doi.org/10.1016/j.scitotenv.2021.144964
Röper, T., Greskowiak, J. and Massmann, G., (2014). Detecting small groundwater discharge springs using handheld thermal infrared imagery. Groundwater, 52(6), pp.936-942, doi.org/10.1111/gwat.12145
Röper, T., Greskowiak, J. and Massmann, G., (2015). Instabilities of submarine groundwater discharge under tidal forcing. Limnology and Oceanography, 60(1), pp.22-28, doi.org/10.1002/lno.10005
Röper, T., Kröger, K.F., Meyer, H., Sültenfuss, J., Greskowiak, J. and Massmann, G., (2012). Groundwater ages, recharge conditions and hydrochemical evolution of a barrier island freshwater lens (Spiekeroog, Northern Germany). Journal of Hydrology, 454, pp.173-186, doi.org/10.1016/j.jhydrol.2012.06.011
Seibert, S.L., Böttcher, M.E., Schubert, F., Pollmann, T., Giani, L., Tsukamoto, S., Frechen, M., Freund, H., Waska, H., Simon, H. and Holt, T., (2019). Iron sulfide formation in young and rapidly-deposited permeable sands at the land-sea transition zone. Science of the total environment, 649, pp.264-283, doi.org/10.1016/j.scitotenv.2018.08.278
Seibert, S.L., Böttcher, M.E., Waska, H., Holt, T., Pollmann, T., Greskowiak, J. and Massmann, G., (2021). Hydrogeochemistry of near-surface groundwater on a developing barrier island (Spiekeroog, Germany): The role of inundation, season and vegetation. Journal of Hydrology, 597, p.126139, doi.org/10.1016/j.jhydrol.2021.126139
Seibert, S.L., Greskowiak, J., Prommer, H., Böttcher, M.E. and Massmann, G., (2019). Modeling of biogeochemical processes in a barrier island freshwater lens (Spiekeroog, Germany). Journal of Hydrology, 575, pp.1133-1144, doi.org/10.1016/j.jhydrol.2019.05.094
Seibert, S.L., Holt, T., Reckhardt, A., Ahrens, J., Beck, M., Pollmann, T., Giani, L., Waska, H., Böttcher, M.E., Greskowiak, J. and Massmann, G., (2018). Hydrochemical evolution of a freshwater lens below a barrier island (Spiekeroog, Germany): the role of carbonate mineral reactions, cation exchange and redox processes. Applied Geochemistry, 92, pp.196-208, doi.org/10.1016/j.apgeochem.2018.03.001
Waska, H., Greskowiak, J., Ahrens, J., Beck, M., Ahmerkamp, S., Böning, P., Brumsack, H.J., Degenhardt, J., Ehlert, C., Engelen, B. and Grünenbaum, N., (2019). Spatial and temporal patterns of pore water chemistry in the inter-tidal zone of a high energy beach. Frontiers in Marine Science, 6, p.154, doi.org/10.3389/fmars.2019.00154
Waska, H., Simon, H., Ahmerkamp, S., Greskowiak, J., Ahrens, J., Seibert, S.L., Schwalfenberg, K., Zielinski, O. and Dittmar, T., (2021). Molecular Traits of Dissolved Organic Matter in the Subterranean Estuary of a High-Energy Beach: Indications of Sources and Sinks. Frontiers in Marine Science, p.54, doi.org/10.3389/fmars.2021.607083