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OPMS - A web-based ocean pollution monitoring system
Zhaoze Liu1, Shuai You1, Li Xing2
1University of Victoria, 3800 Finnerty Road, Victoria, BC V8W 2Y2, Canada.
Marine Pollution Bulletin
|January 3, 2025
Summary
The Ocean Pollution Monitoring System visualizes marine pollution trends in Canada, aiding shellfish safety and water quality management. It tracks fecal coliform and harmful biotoxins using 20 years of data.
Area of Science:
- Environmental Science
- Marine Biology
- Public Health
Background:
- Marine pollution, including fecal coliform and biotoxins like paralytic shellfish poisoning (PSP) and amnesic shellfish poisoning (ASP), presents significant risks to marine ecosystems and human health.
- Effective monitoring and control measures are crucial for mitigating these risks and ensuring public safety, particularly concerning shellfish consumption.
Purpose of the Study:
- To introduce the Ocean Pollution Monitoring System (OPMS), a web application designed for visualizing marine pollutant fluctuations along Canadian coastal regions.
- To provide environmental managers and policymakers with a decision-support tool for shellfish safety and water quality management.
Main Methods:
- Utilized 20 years of data from approximately 15,000 shellfish harvesting sites across six Canadian provinces.
- Employed Functional Principal Component Analysis (FPCA) to extract seasonal fluctuation patterns of fecal coliform and biotoxin levels.
- Developed a web application (OPMS) to visualize these patterns with fine granularity for user-selected geographical regions.
Main Results:
- The OPMS effectively visualizes seasonal and annual fluctuations of key marine pollutants, including fecal coliform and biotoxins (PSP, ASP).
- The system allows for detailed exploration of pollutant trends and their impact in specific geographical areas.
- The visualization provides actionable insights derived from extensive historical data.
Conclusions:
- The Ocean Pollution Monitoring System (OPMS) serves as a valuable decision-support tool for managing shellfish safety and coastal water quality in Canada.
- By visualizing complex data, OPMS enhances the ability of environmental managers and policymakers to address marine pollution challenges.
- The application facilitates a proactive approach to mitigating risks associated with marine pollutants.
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