A1_4 An Earthly Heat Sink

Peter Dodd, Fraser Kettle, Alex Webb, Martyn Bayliss, Tomas Sukaitis


This paper examines the possibility of using the Earth's crust as a heat sink to remove heat from the Earth's surface. The paper determines that it is possible to sink energy into the Earth at a rate which is bigger than the rate it will conduct back to the surface. If we wanted to store 1% of the energy the surface of Earth receives it could be done for about 5,500 years.

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