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35th Anniversary logo for Friends of Casco Bay

How does something so tiny drive change in the Bay?

What factors drive seasonal changes in the waters of Casco Bay?

Staff Scientist Mike Doan addresses this question by looking at recent data from our Continuous Monitoring Stations in our latest Mike’s Field Notes video.

Our Continuous Monitoring Stations collect data hourly on a variety of key water quality and climate change indicators across Casco Bay. Understanding the ways that climate change is impacting the Bay requires many years of data. As we work to collect these long-term data sets, we need to become familiar with the factors that drive short-term changes in water quality. These short-term changes may occur between seasons, months, or even day-to-day.

The activity of phytoplankton – the microscopic plants at the base of the marine food web – is one factor that influences many of the parameters we track in our Continuous Monitoring data. In this video, Mike breaks down how phytoplankton can influence acidity, as well as the amounts of carbon dioxide and oxygen in Casco Bay.

As always, you can view our Continuous Monitoring Station data on our website.

Thank you for caring about the health of Casco Bay.