Plaine des Fougères (under canopy)
The geosphere dataset from station PFFr1290, located under the forest canopy at Plaine des Fougères, has been operational since April 2015, with measurements recorded at 15-minute intervals until February 2025, after which the sampling frequency was increased to 5-minute intervals. It includes soil moisture measurements from three Campbell CS616 TDR sensors installed at depths of 8-38 cm, 35-65 cm, and 54-84 cm, as well as soil temperature measured at 40 cm depth using a Van Essen CTD Diver. Volumetric Water Content (VWC), also referred to as water reflectometry, is derived from the raw period values of the CS616 sensors using the formula: VWC = (-0.018 - 0.007·period + 0.0006·period²) × 100. A temperature-corrected VWC is also computed using: VWC = period + (20 - temperature) × (0.526 - 0.052·period + 0.00136·period²), providing more accurate moisture estimates under variable thermal conditions.
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- Link to Original Record [in-situ.theia-land.fr] This metadata comes from in-situ.theia-land.fr