Other
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3620501b&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 20, CiteID L20501
Other
2
Cryosphere: Glaciers, Atmospheric Processes: Climatology (1616, 1620, 3305, 4215, 8408), Cryosphere: Remote Sensing, Cryosphere: Glaciology (1621, 1827, 1863)
Scientific paper
We reconstruct the terminus position of a mountain glacier in British Columbia, Canada from annual push moraines formed between 1959 and 2007. Our reconstruction represents the longest, annually-resolved record of length change for a North American glacier. Comparison of annual recession with climate records indicates that glacier recession is controlled by air temperatures during the ablation season and accumulation season precipitation during the previous decade. Analysis among records of glacier frontal variation and mass balance in western North America similarly reveals an immediate terminus reaction to summer and net balance and a delayed reaction to winter and net balance. Other mountain ranges may contain long series of push moraines that could be exploited as climate proxies, and to improve understanding of glacier response to climate.
Beedle Matthew J.
Luckman Brian H.
Menounos Brian
Wheate Roger
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