• Next meeting: Jour Fixe 09.02.2024
  • Next field campaign: 04.03-07.03.2024

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


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)

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. Front. Mar. Sci. 10-2023.

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.

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

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.

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,

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. and 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,

Greskowiak, J. and Massmann, G. (2021). The impact of morphodynamics and storm floods on pore water flow and transport in the subterranean estuary. Hydrological Processes, e14050,

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,

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,

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,

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,

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,

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,

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,

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,

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,

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,

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,

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,

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,

Röper, T., Greskowiak, J. and Massmann, G., (2014). Detecting small groundwater discharge springs using handheld thermal infrared imagery. Groundwater, 52(6), pp.936-942,

Röper, T., Greskowiak, J. and Massmann, G., (2015). Instabilities of submarine groundwater discharge under tidal forcing. Limnology and Oceanography, 60(1), pp.22-28,

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,

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,

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,

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,

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,

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,

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,

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