Ground (soil) temperature data recorded by temperature data recorders buried in 1 cm and 10 cm depths of the ground surface at the mid-range of Yukidori Zawa during the JARE JARE-51 and 53 (2010–2012) are summarized in a table. Almost 2-year data of the ground temperature at two discrete depths were compiled in a text file from each recorder at the 1-hr intervalinterval. Using the present data with air temperature and solar radiation data from neighborhood automatic weather station reported previously, we have shown timing and period of soil thawing graphically.
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