TS25
Soil Temperature, under sod (25 cm)
The average temperature during a 15-minute interval at a depth of 25 centimeters below the ground; the surface under which the measurement is taken is vegetated.
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Thermocouple sensor buried horizontally in undisturbed ground. Because the cables connecting the thermistors to the tower might conduct surface heat and divert draining rainwater, they were buried deeper than the thermistors, then angled upward.
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This measurement began in December 2013.
Type |
Sensor Used |
Standards Units |
Accuracy |
Standard - Secondary |
Thermocouple Sensor |
degrees Celsius |
±0.5 °C |