Question: Estimate the depth in moist soil at which the annual temperature variation will be 10% of that at the surface. GIVEN Moist soil ASSUMPTIONS Conduction

Estimate the depth in moist soil at which the annual temperature variation will be 10% of that at the surface.

GIVEN

  • Moist soil

ASSUMPTIONS

  • Conduction is one dimensional
  • The soil has uniform and constant properties
  • Annual temperature variation can be treated as a step change in surface temperature with a 6 month response time
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