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Does airport activity increase METAR temperatures?

Many weather stations (including almost all METAR stations) are located near busy airports that have gotten busier over the years. Could the airport/airplane activity (friction, propellant release, ...
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Martian ground exchange heat pump

According to the wikipedia article Geothermal heat pump, "Depending on latitude, the temperature beneath the upper 6 metres of Earth's surface maintains a nearly constant temperature between 10 and 16 ...