Lake Superior Work Unit Continuous Temperature - NOR


Thermal monitoring of tributary streams and nearshore areas of Lake Superior.


Collect thermal data to address current management needs at specific areas and document thermal conditions over time. Examples include monitoring to determine stream thermal category, determine suitability or seasonal movement for selected fish species, annual trend monitoring at electrofishing sites, Brule sea lamprey barrier, and nearshore areas of Lake Superior, measuring thermal impacts of beaver ponds on streams by monitoring free-flowing segments of streams up and downstream of pond complexes, or changes to thermal conditions during different flow regimes on rivers that are regulated by hydroelectric dams.


Outcome of this project will be thermal data to be used with other datasets, primarily fisheries related, to measure influence of environmental conditions and weather events on fish growth, movement, and population dynamics across the coastal plain and nearshore areas of Lake Superior.

Study Design

WDNR Temp Logger Protocol (C. Koperski, 2004) and WDNR Temperature Thermistors (Tidbit, Hobo): Launching, Downloading, and Uploading Data to SWIMS (Albright, et al., 2017) will be used as guidelines for calibration, programming, deployment, site selection, field operation, and data management.

Related Reports

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Targeted Watershed Approach
Effectiveness (BMP, Other)
Activities & Recommendations
Monitor Fish Community