Soil surface temperatures were collected with help of iButtons along different transects and clusters around Churchill (Canada). The interval was set to 4 hours resp. 4.25 hours. Different models of iButtons were used (with a resolution of 0.0625 °C and 0.5°C resp.), see Comment.
Model: DS1921G-F5; Registration Number: 35000000483D7521; iButton-Nr: 141; Latitude: 58.7270234643702; Longitude: -93.8353617670014; Sample Rate: Every 255 minute(s); Roll Over Occurred? Roll over has occurred; Temperature Logging: 0.5 C