Submarine groundwater discharge impacts on coastal nutrient biogeochemistry

IR Santos, X Chen, AL Lecher, AH Sawyer… - Nature Reviews Earth & …, 2021 - nature.com
Submarine groundwater discharge (SGD) links terrestrial and marine systems, but has often
been overlooked in coastal nutrient budgets because it is difficult to quantify. In this Review …

The microbial dimension of submarine groundwater discharge: current challenges and future directions

C Ruiz-González, V Rodellas… - FEMS Microbiology …, 2021 - academic.oup.com
Despite the relevance of submarine groundwater discharge (SGD) for ocean
biogeochemistry, the microbial dimension of SGD remains poorly understood. SGD can …

[HTML][HTML] Extreme precipitation events induce high fluxes of groundwater and associated nutrients to coastal ocean

M Diego-Feliu, V Rodellas… - Hydrology and Earth …, 2022 - hess.copernicus.org
Current studies of submarine groundwater discharge (SGD) are commonly conducted under
aquifer baseflow conditions, neglecting the influence of episodic events that can significantly …

Submarine groundwater-derived inorganic and organic nutrients vs. mariculture discharge and river contributions in a typical mariculture bay

X Yu, J Liu, X Chen, D Huang, T Yu, T Peng, J Du - Journal of Hydrology, 2022 - Elsevier
Submarine groundwater discharge (SGD) is recognized as one of the most significant
pathways for terrestrial nutrient entry into coastal systems. However, SGD-derived nutrient …

A state-of-the-art perspective on the characterization of subterranean estuaries at the regional scale

N Moosdorf, ME Böttcher, D Adyasari, E Erkul… - Frontiers in Earth …, 2021 - frontiersin.org
Subterranean estuaries the, subsurface mixing zones of terrestrial groundwater and
seawater, substantially influence solute fluxes to the oceans. Solutes brought by …

Nitrogen cycling across a salinity gradient from the pearl river estuary to offshore: insight from nitrate dual isotopes

F Chen, Z Deng, Q Lao, P Bian, G Jin… - Journal of …, 2022 - Wiley Online Library
Dual isotope measurements were performed on nitrate (δ15N‐NO3− and δ18O‐NO3−) in
the Pearl River Estuary (PRE) and the adjacent northern South China Sea (NSCS) to …

Field and numerical investigation of groundwater flow and dissolved inorganic nitrogen (DIN) dynamics in a sandy nearshore aquifer

Z Wang, CE Robinson, X Geng, K Xiao, Y Zhang… - Journal of …, 2025 - Elsevier
Nutrients delivered to the coastal ocean via submarine groundwater discharge (SGD) can
have a major impact on marine ecosystems. The flux of nutrients delivered via this pathway …

Low discharge intensifies nitrogen retention in rivers–a case study in the Elbe River

G Schulz, JEE van Beusekom, J Jacob, S Bold… - Science of the Total …, 2023 - Elsevier
Eutrophication due to excessive nutrient inputs is a major threat to coastal ecosystems
worldwide, causing harmful algae blooms, seagrass loss and hypoxia. Decisions to combat …

Tropical beaches attenuate groundwater nitrogen pollution flowing to the ocean

T Oehler, M Ramasamy, ME George… - Environmental …, 2021 - ACS Publications
Tropical urbanized coastal regions are hotspots for the discharge of nutrient-enriched
groundwater, which can affect sensitive coastal ecosystems. Here, we investigated how a …

Temporal and spatial variations in subterranean estuary geochemical gradients and nutrient cycling rates: Impacts on groundwater nutrient export to estuaries

SJ Wilson, IC Anderson, B Song… - Journal of Geophysical …, 2023 - Wiley Online Library
Subterranean estuaries (STEs) form at the land‐sea boundary where groundwater and
seawater mix. These biogeochemically reactive zones influence groundwater‐borne nutrient …