Radon-222 as a groundwater discharge tracer to surface waters

D Adyasari, NT Dimova, H Dulai, BS Gilfedder… - Earth-Science …, 2023 - Elsevier
The naturally occurring isotope radon-222 (222 Rn) is widely employed as a tracer for
groundwater discharge to lakes, lagoons, rivers, estuaries, and coastal oceans. Owing to the …

Uranium-and thorium-series nuclides as tracers of submarine groundwater discharge

MA Charette, WS Moore, WC Burnett - Radioactivity in the Environment, 2008 - Elsevier
Publisher Summary A number of U-and Th-series isotopes have become popular tools for
quantifying submarine groundwater discharge (SGD). These isotopic techniques enable …

Microbial community structure and associations during a marine dinoflagellate bloom

J Zhou, ML Richlen, TR Sehein, DM Kulis… - Frontiers in …, 2018 - frontiersin.org
Interactions between microorganisms and algae during bloom events significantly impacts
their physiology, alters ambient chemistry, and shapes ecosystem diversity. The potential …

Groundwater discharge into an estuary using spatially distributed radon time series and radium isotopes

M Sadat-Noori, IR Santos, CJ Sanders, LM Sanders… - Journal of …, 2015 - Elsevier
Quantifying groundwater discharge remains a challenge due to its large temporal and
spatial variability. Here, we quantify groundwater discharge into a small estuary using radon …

The mangrove pump: The tidal flushing of animal burrows in a tropical mangrove forest determined from radionuclide budgets

TC Stieglitz, JF Clark, GJ Hancock - Geochimica et Cosmochimica Acta, 2013 - Elsevier
Intertidal mangrove forests contribute significantly to biogeochemical solute budgets of
tropical and subtropical coastlines. A significant part of the biogeochemical cycling in …

Submarine groundwater discharge to Tampa Bay: Nutrient fluxes and biogeochemistry of the coastal aquifer

KD Kroeger, PW Swarzenski, WJ Greenwood, C Reich - Marine chemistry, 2007 - Elsevier
To separately quantify the roles of fresh and saline submarine groundwater discharge
(SGD), relative to that of rivers, in transporting nutrients to Tampa Bay, Florida, we used …

Tracing anthropogenically driven groundwater discharge into a coastal lagoon from southern Brazil

IR Santos, F Niencheski, W Burnett, R Peterson… - Journal of …, 2008 - Elsevier
We investigated the distribution of naturally occurring geochemical tracers (222Rn, 223Ra,
224Ra, 226Ra, CH4, δ18O, and δ2H) in the water column and adjacent groundwater of …

The three scales of submarine groundwater flow and discharge across passive continental margins

JF Bratton - The Journal of Geology, 2010 - journals.uchicago.edu
Increased study of submarine groundwater systems in recent years has provided a wealth of
new data and techniques, but some ambiguity has been introduced by insufficient …

The contribution of groundwater discharge to the overall water budget of two typical Boreal lakes in Alberta/Canada estimated from a radon mass balance

A Schmidt, JJ Gibson, IR Santos… - Hydrology and Earth …, 2010 - hess.copernicus.org
Radon-222, a naturally-occurring radioisotope with a half-life of 3.8 days, was used to
estimate groundwater discharge to small lakes in wetland-dominated basins in the vicinity of …

Groundwater discharge to wetlands driven by storm and flood events: Quantification using continuous Radon-222 and electrical conductivity measurements and …

BS Gilfedder, S Frei, H Hofmann, I Cartwright - … et Cosmochimica Acta, 2015 - Elsevier
The dynamic response of groundwater discharge to external influences such as rainfall is an
often neglected part of water and solute balances in wetlands. Here we develop a new field …