Oceanic lead concentrations and isotopes mapped using explainable machine learning
Using three machine learning models, Olivelli and her colleagues generated global climatologies of lead concentrations and isotopes…
Science Highlights
Some recent GEOTRACES science findings are reported below.
Dissolved nickel sources: transformation and sinks in the Arabian Sea
Malla and co-authors present an extensive study of the distribution of dissolved nickel in the Arabian Sea.
Linking cadmium cycling to phosphate dynamics in the Indian Ocean: Evidence from GEOTRACES transects
Mishra and Singh determined cadmium and phosphate concentrations along 34 complete vertical profiles in the Indian Ocean.
New software enables global ocean biogeochemical modeling in Python
The newly designed tmm4py software makes biogeochemical modelling more widely accessible.
Aerosol dissolution and iron isotope fractionation during atmospheric transport
Camin and co-authors present the iron concentrations and isotopic compositions of aerosols in previously undocumented areas of the Pacific Ocean.
Paradoxical influence of hydrothermal methylmercury on local ecosystems
Torres Rodríguez and her colleagues investigate hydrothermal mercury inputs at the Tonga volcanic arc and their impact on local surface ocean ecosystems.
Rare Earth and neodymium isotope cycles in the abyssal Pacific Ocean are shaking up the paradigm established for particle reactive tracers
Du and colleagues demonstrate the importance of the abyssal sediment source in the control of the trace element and isotopes marine distribution.
Anthropogenic iron impact on the surface productivity in the Pacific Transition Zone
Hawco and colleagues investigated the influence of industrial emissions on oceanic iron supply and its ecological consequences in the North Pacific.
Trace metal effluxes from Peruvian shelf sediments
Liu and co-authors compared four methods to estimate dissolved iron fluxes from Peruvian shelf sediments, revealing large variability.