Combined Use of Short-Lived Radionuclides (234Th and 210Po) as Tracers of Sinking Particles in the Ocean

M Roca-Martí, V Puigcorbé - Annual Review of Marine Science, 2024 - annualreviews.org
Radionuclides can provide key information on the temporal dimension of environmental
processes, given their well-known rates of radioactive decay and production. Naturally …

Inventory-based evaluation of 210Po-210Pb-226Ra disequilibria in deep oceans and new insights on their utility as biogeochemical tracers: A global data synthesis of …

D Planaj, M Baskaran - Earth-Science Reviews, 2024 - Elsevier
Disequilibria between the long-lived parents and short-lived particle-reactive daughters
have been extensively used over the past six decades as tracers and chronometers in …

Variability in 210Pb and 210Po partition coefficients (Kd) along the US GEOTRACES Arctic transect

W Bam, K Maiti, M Baskaran, K Krupp, PJ Lam, Y Xiang - Marine Chemistry, 2020 - Elsevier
The naturally occurring 210 Po (t 1/2= 138.3 d) and 210 Pb (t 1/2= 22.3 y) radionuclide pair
has been extensively used to study particle scavenging, cycling and transport in the ocean …

Quantifying 210Po/210Pb Disequilibrium in Seawater: A Comparison of Two Precipitation Methods With Differing Results

M Roca-Martí, V Puigcorbé, M Castrillejo… - Frontiers in marine …, 2021 - frontiersin.org
The disequilibrium between lead-210 (210Pb) and polonium-210 (210Po) is increasingly
used in oceanography to quantify particulate organic carbon (POC) export from the upper …

Tracing the Atmospheric Input of Seawater-Dissolvable Pb Based on the Budget of 210Pb in the East Sea (Japan Sea)

H Seo, G Kim, YI Kim, I Kim - Frontiers in Marine Science, 2021 - frontiersin.org
In order to determine the atmospheric input of 210Pb and seawater-dissolvable Pb in the
East Sea (Japan Sea), we measured the concentrations of total 210Pb and dissolved Pb (< …

The export flux of particulate organic carbon derived from disequilibria along the North Atlantic GEOTRACES GA01 transect: GEOVIDE cruise

Y Tang, N Lemaitre, M Castrillejo, M Roca-Martí… - …, 2019 - bg.copernicus.org
The disequilibrium between 210 Po activity and 210 Pb activity in seawater samples was
determined along the GEOTRACES GA01 transect in the North Atlantic during the GEOVIDE …

[HTML][HTML] Introduction to the French GEOTRACES North Atlantic transect (GA01): GEOVIDE cruise

G Sarthou, P Lherminier, EP Achterberg… - …, 2018 - bg.copernicus.org
The GEOVIDE cruise, a collaborative project within the framework of the international
GEOTRACES programme, was conducted along the French-led section in the North Atlantic …

210Po-210Pb distribution and carbon export in the northern Gulf of Mexico continental slope

W Bam, K Maiti - Deep Sea Research Part I: Oceanographic Research …, 2021 - Elsevier
An important pathway for CO 2 sinking in the ocean is via the “biological pump”, driven by
the production of particulate organic carbon (POC) in the surface ocean and its subsequent …

The 210Po/210Pb method to calculate particle export: lessons learned from the results of three GEOTRACES transects

Y Tang, G Stewart - Marine Chemistry, 2019 - Elsevier
The deviation from secular equilibrium between the natural radionuclide 210 Po (half-life:
138.4 d) and its radioactive grandparent 210 Pb (half-life: 22.3 y) has been used to examine …

210Po and 210Pb distributions during a phytoplankton bloom in the North Atlantic: implications for POC export

EJ Horowitz, JK Cochran, MP Bacon… - Deep Sea Research Part …, 2020 - Elsevier
Abstract During the North Atlantic Bloom Experiment (NABE) of the Joint Global Ocean Flux
Study (JGOFS), water column sampling for particulate and dissolved 210 Po and 210 Pb …