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Temperature  T_n of 
Neutral Temperature Layer (see Fig. 1).


Fig. 1. Seasonal and daily temperature variation above Neutral Temperature Layer (NTL) 


Within the accuracy of temperature measurements, the value of Subsurface Neutral Temperature equals to average annual surface temperature  T_0 based on weather reports: T_n \approx T_0.



Fig. 2. Example of long-term data record of seasonal and daily temperature variation in Moscow region.


See Also


Geology / Geothermal Temperature Field / Neutral Temperature Layer (NTL)

Geothermal Temperature Field  ] [ Geothermal Temperature Profile ] 

Neutral Temperature Layer @model ]

Reference


GeothermalTemperatureProfile.xlsx




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