The Spiekeroog Coastal Observatory: A Scientific Infrastructure at the Land-Sea Transition Zone (Southern North Sea)

O Zielinski, D Pieck, J Schulz, C Thölen… - Frontiers in Marine …, 2022 - frontiersin.org
Coastal observatories are key to improve the understanding of processes within the coastal
area and their interactions with regional and global environmental changes. The land-sea …

Geochemical fluxes in sandy beach aquifers: Modulation due to major physical stressors, geologic heterogeneity, and nearshore morphology

X Geng, JW Heiss, HA Michael, H Li… - Earth-Science …, 2021 - Elsevier
Coastal beach aquifers are biogeochemically active systems that mediate chemical and
material fluxes across the land-sea interface. This paper provides a review of major physical …

[HTML][HTML] Impact of mineral reactions and surface complexation on the transport of dissolved species in a subterranean estuary: Application of a comprehensive reactive …

SL Seibert, G Massmann, R Meyer, VEA Post… - Advances in Water …, 2024 - Elsevier
Subterranean estuaries (STE) are hotspots of biogeochemical reactions. Here, dissolved
constituents in waters of terrestrial and marine origin are transformed before they discharge …

Dissolved organic matter and nutrient processing in organic-rich subterranean estuaries: Implications for future land use and climate scenarios

D Adyasari, N Dimova, H Waska… - … et Cosmochimica Acta, 2023 - Elsevier
The subterranean estuary (STE) is a recognized reactive biogeochemical zone at the
groundwater–seawater interface in coastal regions. However, few studies have explored …

Dissolved organic matter released from beach wrack is source-specific and molecularly highly diverse

H Waska, HM Banko-Kubis - Biogeochemistry, 2024 - Springer
Beach wrack is an important supplier of nutrients and organic matter to sandy beach
ecosystems and underlying subterranean estuaries (STEs), producing metabolic hotspots in …

Impact of high Fe-concentrations on microbial community structure and dissolved organics in hydrothermal plumes: an experimental study

CT Hansen, C Kleint, S Böhnke, L Klose… - Scientific Reports, 2022 - nature.com
Iron (Fe) is an essential trace element for life. In the ocean, Fe can be exceptionally scarce
and thus biolimiting or extremely enriched causing microbial stress. The ability of …

Optical properties of sedimentary dissolved organic matter in intertidal zones along the coast of China: Influence of anthropogenic activities

Z Wang, M Lv, CL Huang, DD Zhang, R Han… - Science of The Total …, 2023 - Elsevier
The intertidal zone, due to its location in the transition zone of terrestrial and marine
ecosystems, is seriously disturbed by anthropogenic activities such as fuel combustion and …

Origins and transformations of terrigenous dissolved organic matter in a transgressive coastal system

AJ Hébert, A Flamand, G Chaillou - Estuarine, Coastal and Shelf Science, 2022 - Elsevier
Hydrogeological, geochemical, and optical approaches were combined to explore how a
transgressive coastal system, where 2-kyr-old organic matter is preserved, contributes to …

[HTML][HTML] Spatial and temporal dynamics of groundwater biogeochemistry in the deep subsurface of a high-energy beach

A Reckhardt, R Meyer, SL Seibert, J Greskowiak… - Marine Chemistry, 2024 - Elsevier
Intertidal sandy beach systems are considered complex biogeochemical reactors. At beach
sites that are subject to high tidal and wave energy, seawater circulation can reach tens of …

Groundwater springs in the German Wadden Sea tidal flat: a fast-track terrestrial transfer route for nutrients and dissolved organic matter

R Carvalho da Silva, M Seidel, T Dittmar… - Frontiers in Marine …, 2023 - frontiersin.org
Submarine groundwater discharge (SGD) connects fresh groundwater and marine
ecosystems and conveys terrestrially derived dissolved organic matter (DOM) and nutrients …