Flux Estimations Floating Debris in the Gobo River, Takamatsu City, Japan – Collections From May to November 2024 –

Key Points

• The research aims to quantify and categorize floating debris in the Gobo River, focusing on plastic waste.
• Direct collection of floating debris from May to November 2024.
• Measurement of quantity and mass of various types of debris.
• Categorization of debris types, primarily focusing on plastics.
• 55% of floating debris was identified as plastic.
• Average daily pollution load was estimated at 2.9 kg.
• Total annual plastic waste flowing into the Seto Inland Sea was quantified at 675.3 kg.