The calculations set forth approximations for the freezing time and power demand as a function of the advance of the freezing front for {HEAD ~ various conditions} of {TAIL ~ soil moisture} and initial soil temperature 
of
The calculations set forth approximations for the freezing time and power demand as a function of the advance of the freezing front for { HEAD ~ various conditions } of { TAIL ~ soil moisture } and initial soil temperature
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH