Behaviour of plastic litter in nearshore waters: First insights from wind and wave laboratory experiments

MARINE POLLUTION BULLETIN

卷:153

Article

Forsberg, Pernille Louise²  Sous, Damien^1,2  Stocchino, Alessandro³  Chemin, Remi² 

[1] Univ Pau & Pays Adour, Lab Sci Ingn Appl Mech & Genie Elect, Federat IPRA, Chaire HPC Waves,E2S UPPA,EA4581, F-64600 Anglet, France

[2] Univ Toulon & Var, Aix Marseille Univ, MIO, CNRS,IRD, La Garde, France

[3] Univ Genoa, Dept Civil Chem & Environm Engn, Via Montallegro 1, I-16145 Genoa, Italy

关键词: Plastic;    Pollution;    Nearshore zone;    Waves;    Wind;   

DOI  :  10.1016/j.marpolbul.2020.111023

来源: Elsevier

【 摘 要 】

Plastic litter in nearshore waters is an environmental pollutant with increasing impact on coastal environments. At present, knowledge on basic plastic particle dynamics and the interaction with complex hydrodynamics is lacking. The present laboratory study, performed under controlled wave and wind conditions, demonstrates the dispersion of plastics in shallow waters. The study presents a simple case looking solely at cross-shore particle transport. The results show that both wind and waves as well as plastic properties (shape and density) govern the behaviour of plastic litter in the nearshore zone. Heavy particles behave like natural sand with accumulation in the wave breaking zone. Light particles have varying accumulation along the coastal profile depending on the wind, waves and particle shapes. More extensive characterization remains to be done in future studies.

【 授权许可】

Free