A CTD (conductivity, temperature and depth) sensor is deployed

A conductivity-temperature-depth (CTD) sensor is deployed near the Middle Island Sinkhole. These sensors provide valuable data about ambient water conditions. Image courtesy of Thunder Bay Sinkholes 2008.


Related Links

Thunder Bay Sinkholes 2008

Thunder Bay Sinkholes 2008: Sept 9 Log

NOAA Ocean Explorer Gallery

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