Drivers and Environmental Responses to the Changing Annual Snow Cycle of Northern Alaska
作者： Christopher J. Cox , Robert S. Stone , David C. Douglas , Diane M. Stanitski , George J. Divoky
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摘要: AbstractLinkages between atmospheric, ecological, and biogeochemical variables in the changing Arctic are analyzed using long-term measurements near Utqiaġvik (formerly Barrow), Alaska. Two key date when snow disappears spring, as determined primarily by atmospheric dynamics, precipitation, air temperature, winter accumulation, cloud cover, of onset snowpack autumn that is additionally influenced ocean temperature sea ice extent. In 2015 2016 melted early at owing mainly to anomalous warmth during May both years attributed circulation patterns, with having record earliest snowmelt. These discussed context a 115-yr snowmelt trend toward earlier melting since mid-1970s (–2.86 days decade–1, 1975–2016). At nearby Cooper Island, where colony seabirds, black guillemots, have been monitored 1975, timing egg laying correlated ...
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