Seasonal variations in the sinking fluxes of microplastics and textile fibers in an Arctic fjord (Kongsfjorden, Svalbard)
Zenodo (CERN European Organization for Nuclear Research)2024
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Giuseppe Suaria,
Giuseppe Suaria,
Alvise Vianello,
Claudia Lorenz,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Claudia Lorenz,
Claudia Lorenz,
Alvise Vianello,
Alvise Vianello,
Giuseppe Suaria,
Alvise Vianello,
Giuseppe Suaria,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Andrea Paluselli,
Claudia Lorenz,
Claudia Lorenz,
Stefano Aliani
Stefano Aliani
Giuseppe Suaria,
Giuseppe Suaria,
Stefano Aliani
Laura Simon-Sánchez,
Claudia Lorenz,
Claudia Lorenz,
Giuseppe Suaria,
Claudia Lorenz,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Alvise Vianello,
Laura Simon-Sánchez,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Alvise Vianello,
Laura Simon-Sánchez,
Giuseppe Suaria,
Alvise Vianello,
Giuseppe Suaria,
Alvise Vianello,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Alvise Vianello,
Alvise Vianello,
Laura Simon-Sánchez,
Alvise Vianello,
Laura Simon-Sánchez,
Alvise Vianello,
Laura Simon-Sánchez,
Claudia Lorenz,
Laura Simon-Sánchez,
Alvise Vianello,
Alvise Vianello,
Claudia Lorenz,
Alvise Vianello,
Alvise Vianello,
Claudia Lorenz,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Claudia Lorenz,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Andrea Paluselli,
Andrea Paluselli,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Claudia Lorenz,
Giuseppe Suaria,
Claudia Lorenz,
Stefano Aliani
Claudia Lorenz,
Stefano Aliani
Claudia Lorenz,
Claudia Lorenz,
Stefano Aliani
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Laura Simon-Sánchez,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Stefano Aliani
Stefano Aliani
Giuseppe Suaria,
Giuseppe Suaria,
Andrea Paluselli,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Jes Vollertsen,
Alvise Vianello,
Laura Simon-Sánchez,
Andrea Paluselli,
Laura Simon-Sánchez,
Stefano Aliani
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Stefano Aliani
Jes Vollertsen,
Giuseppe Suaria,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Claudia Lorenz,
Stefano Aliani
Stefano Aliani
Claudia Lorenz,
Claudia Lorenz,
Giuseppe Suaria,
Giuseppe Suaria,
Giuseppe Suaria,
Jes Vollertsen,
Alvise Vianello,
Jes Vollertsen,
Alvise Vianello,
Jes Vollertsen,
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Jes Vollertsen,
Giuseppe Suaria,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Laura Simon-Sánchez,
Andrea Paluselli,
Claudia Lorenz,
Alvise Vianello,
Alvise Vianello,
Jes Vollertsen,
Claudia Lorenz,
Alvise Vianello,
Laura Simon-Sánchez,
Laura Simon-Sánchez,
Alvise Vianello,
Stefano Aliani
Laura Simon-Sánchez,
Stefano Aliani
Alvise Vianello,
Alvise Vianello,
Stefano Aliani
Federico Giglio,
Claudia Lorenz,
Alvise Vianello,
Claudia Lorenz,
Andrea Paluselli,
Stefano Aliani
Laura Simon-Sánchez,
Alvise Vianello,
Claudia Lorenz,
Federico Giglio,
Stefano Aliani
Federico Giglio,
Federico Giglio,
Alvise Vianello,
Stefano Aliani
Stefano Aliani
Claudia Lorenz,
Stefano Aliani
Alvise Vianello,
Alvise Vianello,
Alvise Vianello,
Laura Simon-Sánchez,
Stefano Aliani
Giuseppe Suaria,
Andrea Paluselli,
Andrea Paluselli,
Leonardo Langone,
Leonardo Langone,
Alvise Vianello,
Giordano, Patrizia,
Giordano, Patrizia,
Alvise Vianello,
Stefano Aliani
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Claudia Lorenz,
Jes Vollertsen,
Jes Vollertsen,
Laura Simon-Sánchez,
Giuseppe Suaria,
Andrea Paluselli,
Andrea Paluselli,
Jes Vollertsen,
Jes Vollertsen,
Giuseppe Suaria,
Jes Vollertsen,
Claudia Lorenz,
Stefano Aliani
Laura Simon-Sánchez,
Claudia Lorenz,
Stefano Aliani
Alvise Vianello,
Stefano Aliani
Alvise Vianello,
Leonardo Langone,
Leonardo Langone,
Alvise Vianello,
Alvise Vianello,
Stefano Aliani
Stefano Aliani
Stefano Miserocchi,
Claudia Lorenz,
Claudia Lorenz,
Stefano Miserocchi,
Stefano Aliani
Stefano Aliani
Stefano Miserocchi,
Stefano Miserocchi,
Claudia Lorenz,
Jes Vollertsen,
Jes Vollertsen,
Giuseppe Suaria,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Alvise Vianello,
Jes Vollertsen,
Jes Vollertsen,
Giuseppe Suaria,
Stefano Aliani
Stefano Aliani
Stefano Aliani
Stefano Aliani
Alvise Vianello,
Stefano Aliani
Stefano Aliani
Alvise Vianello,
Andrea Paluselli,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Jes Vollertsen,
Giuseppe Suaria,
Giuseppe Suaria,
Claudia Lorenz,
Giuseppe Suaria,
Giuseppe Suaria,
Stefano Aliani
Stefano Aliani
Alvise Vianello,
Alvise Vianello,
Giuseppe Suaria,
Giuseppe Suaria,
Stefano Aliani
Summary
Researchers measured seasonal variations in microplastic and microfiber sinking fluxes in Kongsfjorden fjord, Svalbard, using a moored sediment trap rotating monthly over one year from September 2021 to September 2022. By capturing sinking particles at 61 m depth where Atlantic water masses interact with glacial melt fronts, they documented temporal variability in vertical microplastic export and identified seasonal drivers affecting particle flux to the Arctic seafloor.
Study Type
Environmental
The magnitude of microplastics (MPs) and microfibers (MFs) sinking flux and its temporal variability is crucial to understanding their global fate in the ocean. MPs have been reported in deep Arctic sediments as well as in the water column; however, the mechanisms driving their vertical transport are still unclear, and little is known about their sinking dynamics and export to the seafloor. We measured seasonal variations in MPs and MFs vertical fluxes along the water column in an Arctic Fjord (Kongsfjorden, Svalbard archipelago). Sinking particles have been collected for one year using a moored sediment trap located in a hydrological and depositional strategic location, where Atlantic water masses entering the fjord interact with glacial melt water fronts. The rotating sediment trap equipped with 12 receiving cups was placed at 61 m depth in September 2021 and retrieved in September 2022. The interval of trap rotation was set at 30 days allowing the study of seasonal variations in MPs deposition rates. MPs were extracted through multi-enzymatic digestion, catalyzed oxidation and density separations, and analyzed using FPA-µFTIR-Imaging. Microfibers (MF) were also quantified. Both sediments and MPs fluxes showed a marked seasonality. Sediment flux was higher in July-September due to glacier melting by solar radiation, higher air temperature, rain precipitation and runoff. Annual mean fluxes of 5.6 ± 2.6 MP Day-1 and 4.2 ± 2.4 MF Day-1 were measured. The highest MP deposition was measured in September (12.6 vs 2.9 MP Day-1 in May) while the highest MF deposition was recorded in winter (8.2 MF Day-1 vs 0.8 MF Day-1 at the end of spring). These results shed new light on the temporal variability of MPs and MFs vertical fluxes in the Arctic region, providing crucial information about their sources and export mechanisms to the seafloor. Also see: https://micro2024.sciencesconf.org/558776/document