Ground surface temperatures in Canada: Spatial and temporal variability

Details Ground surface temperatures in Canada: Spatial and temporal variability Ground surface temperatures in Canada: Spatial and temporal variability

May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30j...6b&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 10, pp. 6-1, CiteID 1499, DOI 10.1029/2003GL017144

Physics

10

Global Change: Solid Earth, Meteorology And Atmospheric Dynamics: Paleoclimatology, Meteorology And Atmospheric Dynamics: Climatology (1620), Global Change: Atmosphere (0315, 0325), Global Change: Climate Dynamics (3309)

Scientific paper

Past changes in the Earth's surface energy balance are recorded in the ground as perturbations of the subsurface thermal regime. Here we reconstruct ground surface temperature histories (GSTH) from temperature versus depth profiles measured at 246 sites distributed across Canada. We show that the ground has warmed about 0.7 K in the last 100 years. Spatial variability is significant and indicates that the largest warming is in the southern areas of Canada. The apparent signal for the ``Little Ice Age'' (LIA) does not appear to be homogeneous across Canada.

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