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J., Pahnke, K., Post, V., Reckhardt, A., Schwalfenberg, K., Seibert, S., Waska, H., Winter, C. (2025, preprint only, not peer-reviewed yet).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