Correct me if I’m wrong.
People promoting boreholeometers believe that surface heat from say, 500 years ago crept below the surface during the day, and did not move back toward the surface at night when the surface cooled.
Instead, by the same mechanism used by CO2 to move heat into the cold depths of the oceans, the surface heat moved from the colder surface to the hotter interior, where it remained, until supposedly measured by the Warmists at depths greater than 20 meters.
During 500 years, the temperature at a particular depth remained sufficiently different from the layers above and below, to be measured later. In other words, adjacent bodies at different temperatures stopped obeying the laws of physics until called on to do so by the climatologists.
If you are particularly gullible, you have to suspend disbelief, and accept, as NOAA do, that –
“Departures from the expected increase in temperature with depth (the geothermal gradient) can be interpreted in terms of changes in temperature at the surface in the past, which have slowly diffused downward, warming or cooling layers meters below the surface.” – NOAA.
So cooling slowly diffuses downward, while the surface above remains warmer than the “coolness” below it. The “coolness” keeps descending, and then stops, waiting to be measured. Or warming, if that suits your purpose better. At least according to NOAA!
What nonsense! More modelling, supposedly showing that other silliness such as treemometers is scientific, and accurate. It should be noted that the first 20 meters or so of borehole data is discarded, as the seasonal influence of the Sun can be detected at this depth. We are supposed to believe that temperature changes caused by the Sun can be detected at depths beyond which the influence of the Sun can be detected – by definition!
Oh what fun it must be, to be a climatologist. No accountability, no responsibility, no need to learn physics or thermodynamics – just watch Star Trek, and “make it so”!
Cheers.