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Related Experiment Video

Updated: Jun 29, 2026

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis

Published on: July 1, 2017

Plastics and beaches: a degrading relationship.

Patricia L Corcoran¹, Mark C Biesinger, Meriem Grifi

¹Department of Earth Sciences, University of Western Ontario, London, ON, Canada. pcorcor@uwo.ca

Marine Pollution Bulletin

|October 7, 2008

Summary

This summary is machine-generated.

Plastic debris on beaches degrades through UV radiation and physical forces. Beach environments promote both chemical and mechanical breakdown of plastics, unlike other marine settings.

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Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Sampling, Sorting, and Characterizing Microplastics in Aquatic Environments with High Suspended Sediment Loads and Large Floating Debris

Published on: July 28, 2018

Area of Science:

Environmental Science
Materials Science
Oceanography

Background:

Plastic debris in oceans is a significant environmental concern due to limited degradation at sea.
Deposited plastics on beaches are subjected to UV radiation and physical forces from wind, currents, waves, and tides.

Purpose of the Study:

To investigate the relationships between plastic composition, surface textures, and degradation processes on beaches.
To understand the specific environmental factors on beaches that influence plastic breakdown.

Main Methods:

Sampling of plastic particles from beaches on Kauai.
Analysis of surface textures using Scanning Electron Microscopy (SEM).
Chemical analysis using Fourier-Transform Infrared (FTIR) spectroscopy.

Main Results:

SEM imaging revealed both mechanically eroded and chemically weathered surface textures on beach plastics.
Granular oxidation textures were observed along fractures and rounded margins of plastic particles.
FTIR spectra showed intense peaks in the lower wavenumber region for particles with oxidation textures.

Conclusions:

Beach environments facilitate both chemical and mechanical degradation of plastic debris.
The findings suggest that beach settings are more conducive to plastic breakdown than other marine environments.
Understanding these degradation pathways is crucial for managing plastic pollution.