Quantifying trace element and isotope fluxes at the ocean–sediment boundary: a review

WB Homoky, T Weber, WM Berelson… - … of the Royal …, 2016 - royalsocietypublishing.org
Quantifying fluxes of trace elements and their isotopes (TEIs) at the ocean's sediment–water
boundary is a pre-eminent challenge to understand their role in the present, past and future …

Biogeochemistry of Actinides: Recent Progress and Perspective

GJP Deblonde - ACS Environmental Au, 2024 - ACS Publications
Actinides are elements that are often feared because of their radioactive nature and
potentially devastating consequences to humans and the environment if not managed …

Uncertainties associated with 223Ra and 224Ra measurements in water via a Delayed Coincidence Counter (RaDeCC)

E Garcia-Solsona, J Garcia-Orellana, P Masqué… - Marine Chemistry, 2008 - Elsevier
The short-lived radium isotopes, 223Ra (T1/2= 11.4 days) and 224Ra (T1/2= 3.66 days),
have been successfully used as tracers of several environmental processes, eg, submarine …

Composition and fluxes of submarine groundwater along the Caribbean coast of the Yucatan Peninsula

KA Null, KL Knee, ED Crook, NR de Sieyes… - Continental Shelf …, 2014 - Elsevier
Submarine groundwater discharge (SGD) to the coastal environment along the eastern
Yucatan Peninsula, Quintana Roo, Mexico was investigated using a combination of tracer …

Estimates of tidal mixing in the Indonesian archipelago from multidisciplinary INDOMIX in-situ data

A Koch-Larrouy, A Atmadipoera, P Van Beek… - Deep Sea Research …, 2015 - Elsevier
Abstract The Indonesian Mixing program (INDOMIX) was designed to quantify the very
strong mixing that transforms Pacific waters into isohaline Indonesian Waters in the …

[HTML][HTML] Actinium and radium fluxes from the seabed in the northeast Pacific Basin

N Kemnitz, DE Hammond, P Henderson, E Le Roy… - Marine Chemistry, 2023 - Elsevier
Five sediment cores were collected along a cruise tract from Hawaii to Alaska in August
2017 (C-Disk-IV cruise) with the objective of characterizing the behavior of 227 Ac, 228 Ra …

Uranium and barium cycling in a salt wedge subterranean estuary: The influence of tidal pumping

IR Santos, WC Burnett, S Misra, I Suryaputra… - Chemical …, 2011 - Elsevier
The contribution of submarine groundwater discharge (SGD) to oceanic metal budgets is
only beginning to be explored. Here, we demonstrate that biogeochemical processes in a …

Investigation of hydrothermal activity in the South West Indian ridge region using Ra isotopes and 227Ac as tracers

M Léon, P van Beek, V Sanial, C Baudet… - Progress in …, 2024 - Elsevier
Hydrothermal vents have been shown to be important vectors for various chemical elements
into the ocean. However, both the intensity of the chemical fluxes associated with these …

Comparison of methods to determine extraction efficiencies of Ra isotopes and 227Ac from large volume seawater samples

M Léon, P van Beek, V Sanial, M Souhaut… - Marine Chemistry, 2024 - Elsevier
Radium isotopes, other than 226 Ra, and 227 Ac are typically present at low activities in the
open ocean. The analysis of these isotopes thus requires the collection of large volumes of …

Shelf‐basin exchange times of Arctic surface waters estimated from 228Th/228Ra disequilibrium

M Rutgers Van der Loeff, P Cai, I Stimac… - Journal of …, 2012 - Wiley Online Library
The transpolar drift is strongly enriched in 228Ra accumulated on the wide Arctic shelves
with subsequent rapid offshore transport. We present new data of Polarstern expeditions to …