Question

How long would rising hot air from a 15,000 meter (49,000 ft) hole in the earth's surface stay warm for?

Answer 1

I'm afraid I don't know enough about geology to give any sort of substantial information on some of these points. I can say that the Kora borehole was 9 inches (23 cm) in diameter, and I imagine the walls were fairly rough? The KTB borehole in Bavaria only got to 30,000 feet (9.2 km) before temperatures reached 500 degrees F (260°C) if that helps.

Answer 2

It is the example of land and sea breeze which has be studied by us in many classes as the lad gets heated up so the air displaces of sea to the land. The vise versa happens in the reverse process. This is known as land and sea breeze.