Statistics – Computation
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3602708b&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 2, CiteID L02708
Statistics
Computation
1
Global Change: Regional Climate Change, Computational Geophysics: Modeling (4255), Cryosphere: Thermodynamics (1011, 3611, 8411), Atmospheric Processes: Climate Change And Variability (1616, 1635, 3309, 4215, 4513), Geographic Location: Antarctica (4207)
Scientific paper
The Antarctic Peninsula has warmed faster than the global average rate of warming during the last century. Due to limited availability of long term meteorological records, the geographical extent of this rapid warming is poorly defined. We collected borehole temperature measurements in the upper 300 m of Rutford Ice Stream, West Antarctica, and employed an inverse modeling scheme with a heat diffusion-advection equation to determine the recent surface temperature history of the borehole position. Our results reveal recent warming of 0.17 +/- 0.07°C (decade)-1 since 1930. This result suggests that, at least in an attenuated form, the rapid warming observed over the Antarctic Peninsula extends as far south as Rutford Ice Stream. This result agrees with other recent results that show a warming trend across much of the West Antarctic Ice Sheet.
Barrett Eamon B.
Murray Tavi
Nicholls Keith W.
Smith Matthew A.
Vaughan David G.
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