CTD and in situ Sonde field data collected on Lake Superior and Lake Erie aboard the R/V Blue Heron and R/V Gibraltar III from May 2021 to May 2024

This dataset includes the CTD and Sonde data from 11 cruises on Lake Superior aboard the University of Minnesota Duluth R/V Blue Heron from May 2021 to May 2024 (May, July, August, and October), as well as 11 cruises on Lake Erie (May, July, August, and October). The data are from five stations (two on Lake Superior; Siskiwit Bay and Western Mooring, and three on Lake Erie; Central Anoxic Basin, Lorain, and North Bass). This project is led by PIs Joe Werne at University of Pittsburgh, Silvia Newell at University of Michigan, Emily Elliott at University of Pittsburgh, Trinity Hamilton at University of Minnesota, and Richard Ricketts at University of Minnesota Duluth, and was funded by NSF Chemical Oceanography.