Monitoring Under Ice Currernts



Dr. Danielle Wain and Dr. Whitney King, Lauren Pickford, and Amy Soper put instruments down on the bottom of the lake to measure currents under the ice to help us understand wintertime anoxia at the lake bottom and how this connects with the algae in the summer.


The more algae there is in the summer, the more anoxia you get in the winter as it decays at the bottom.


We also be put down the oxygen sensor that North Pond Association purchased down in the "deep hole" (the deepest part of North Pond) to measure for the next six months. This will tell us how often the lake bottom goes anoxic, potentially releasing phosphorus from the sediments that contributes to algal growth.


Some of these instruments also measure under ice current and light levels which are key to understanding algal processes.


Thank you to all of our partners including (but not limited to) North Pond Association and Colby College for making research like this possible!


Want to learn more? Visit https://www.7lakesalliance.org/waterdata or https://www.7lakesalliance.org/research or contact our science director, Dr. Danielle Wain at danielle.wain@7lakesalliance.org


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