Long-term tracking of climate change by underground temperatures Public Deposited

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  • Underground temperatures contain a record of past changes in the energy balance at the Earth’s surface, such that borehole temperature data can be used to reconstruct long-term trends of ground surface temperature (GST) changes. In addition to surface air temperature, however, GST is the response of the ground to other near surface processes that govern the surface energy balance. In order to compare GST histories constructed from geothermal data with surface air temperature (SAT) data, it is necessary to ascertain the relationship between these quantities. Here we jointly interpret four borehole temperature logs within a small area and SAT records from a nearby station. The subsurface temperature anomalies are consistent with the SAT data even in the presence of a variable snow regime, and different surface conditions. Our results indicate that borehole records are robust long-term paleoclimatological indicators.
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  • Beltrami , H., G. Ferguson, and R. N. Harris (2005), Long‐term tracking of climate change by underground temperatures, Geophys. Res. Lett., 32, L19707.
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  • Vol. 32 (2005)
  • description.provenance : Submitted by David Moynihan (dmscanner@gmail.com) on 2010-07-07T22:41:04Z No. of bitstreams: 1 Beltrami_et_al_Geophys_Res_Lett_2005.pdf: 243798 bytes, checksum: 79c106dbb0eed4c1acaeea58aa2f0be8 (MD5)
  • Geophysical Research Letters
  • description.provenance : Made available in DSpace on 2010-07-08T00:47:11Z (GMT). No. of bitstreams: 1 Beltrami_et_al_Geophys_Res_Lett_2005.pdf: 243798 bytes, checksum: 79c106dbb0eed4c1acaeea58aa2f0be8 (MD5) Previous issue date: 2005-10-06
  • description.provenance : Approved for entry into archive by Sue Kunda(sue.kunda@oregonstate.edu) on 2010-07-08T00:47:11Z (GMT) No. of bitstreams: 1 Beltrami_et_al_Geophys_Res_Lett_2005.pdf: 243798 bytes, checksum: 79c106dbb0eed4c1acaeea58aa2f0be8 (MD5)

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