Quantification and characterization of microplastics in surface water samples from the Northeast Atlantic Ocean using laser direct infrared imaging
Marine Pollution Bulletin2023
52 citations
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Score: 50
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Lars Hildebrandt
Jeannette Hansen,
Jeannette Hansen,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Tristan Zimmermann,
Tristan Zimmermann,
Fadi El Gareb,
Fadi El Gareb,
Fadi El Gareb,
Fadi El Gareb,
Tristan Zimmermann,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Tristan Zimmermann,
Tristan Zimmermann,
Lars Hildebrandt
Elke Kerstin Fischer,
Tristan Zimmermann,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Tristan Zimmermann,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Lars Hildebrandt
Lars Hildebrandt
Lars Hildebrandt
Tristan Zimmermann,
Tristan Zimmermann,
Elke Kerstin Fischer,
Tristan Zimmermann,
Lars Hildebrandt
Tristan Zimmermann,
Elke Kerstin Fischer,
Lars Hildebrandt
Elke Kerstin Fischer,
Daniel Pröfrock,
Elke Kerstin Fischer,
Lars Hildebrandt
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Fadi El Gareb,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Tristan Zimmermann,
Elke Kerstin Fischer,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Lars Hildebrandt
Lars Hildebrandt
Elke Kerstin Fischer,
Lars Hildebrandt
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Fadi El Gareb,
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Tristan Zimmermann,
Tristan Zimmermann,
Lars Hildebrandt
Daniel Pröfrock,
Daniel Pröfrock,
Fadi El Gareb,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Elke Kerstin Fischer,
Daniel Pröfrock,
Lars Hildebrandt
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Lars Hildebrandt
Elke Kerstin Fischer,
Elke Kerstin Fischer,
Daniel Pröfrock,
Daniel Pröfrock,
Tristan Zimmermann,
Tristan Zimmermann,
Tristan Zimmermann,
Daniel Pröfrock,
Elke Kerstin Fischer,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Daniel Pröfrock,
Lars Hildebrandt
Lars Hildebrandt
Daniel Pröfrock,
Daniel Pröfrock,
Lars Hildebrandt
Lars Hildebrandt
Summary
Researchers quantified microplastics in Northeast Atlantic Ocean surface waters using laser direct infrared imaging, detecting particles down to 20 micrometers and revealing microplastic concentrations and polymer compositions across eight sampling locations.
15 filtration samples were collected at eight locations onboard the RV Sonne (cruise SO279 in 2020) from 6 m water depth using a fractionated stainless-steel filtration unit. The size fraction > 300 μm was visually examined and potential microplastic particles were analyzed by ATR-FTIR spectroscopy. The treatment of size class 20 μm < d < 300 μm was based on enzymatic-oxidative microwave-assisted "one-pot" matrix digestion in conjunction with analysis of the microplastics by time-efficient LDIR imaging. Total number concentrations ranged from 47 to 2154 microplastic particles per m<sup>3</sup> (average for all stations: 500 ± 700 microplastic particles m<sup>-3</sup> (1 SD; n = 8)). In total, 20 polymer types were identified. The most common polymer types were polyethylene terephthalate (20 %) and acrylates/polyurethane/varnish (15 %). 93 % of the detected microplastics were smaller than 100 μm in length. Analysis of sample replicates indicates high spatio-temporal variations in microplastic pollution within the investigated region.