Soil temperature measured at 0.4 m depth using Campbell Scientific 107-L temperature probe. Data comments: 2005-2006: Data deleted due to unstable battery charge and high frequency fluctuations (noise) in data. August 2006: all sensors were replaced, new sensors installed in a new hole. 2009-2010: periods of missing data related to unstable battery charge. 2011: Change of measuring method in logger program (from 50 Hz to 250 Hz) in August caused a shift in data. 2013: Change of measuring method in logger program (from 250 Hz to 50 Hz) in August caused a shift in data. Contact program manager for more detailed information.
