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Article
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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Detection Methods
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Microplastic Characterization in the Chesapeake and Delaware Bay Watersheds
Abstracts with programs - Geological Society of America
2025
James R. Simpson,
Sónia Costa,
Kenny Sidhu,
T. Elliott Arnold
Summary
This study characterized the presence, types, and abundance of microplastics across the Chesapeake and Delaware Bay watersheds, two major estuarine systems on the US East Coast. The results provide a regional pollution baseline and underscore how densely populated coastal watersheds function as concentrated conduits delivering microplastics to ecologically sensitive marine environments.
Worldwide, estuarine systems have been severely impacted by the introduction of...