Arctic Borderlands Ecological Knowledge Co-op

Sample Data Sheet for Lake Ice Observations

Community: ____________________ Observer: ____________________

Lake Description: (name & location) ______________________________

Lake Size: (if known) __________ Lake Depth: (if known) __________

Observation point: _____________________________________________

Date Ice Stage Ice Cover % Surface Water Temperature (Optional) Notes
         
         
         
         
         
         
         
         
         
         
         
         
 
Break-up Freeze-up
B0 No signs of break-up F0 No ice formation
B1 Open water on shore F1 Ice formation on shore
B2 Open water offshore F2 Ice cover on bays
B3 Ice in movement F3 Ice within visible range
B4 Final break-up F4 Final freeze-up