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Data Spotlight: Projecting Alaska Snowpack Response to Climate Change


Data Spotlight: Projecting Alaska Snowpack Response to Climate Change
Release Date:
Snow: More than just a Weather Phenomena
Figure 1. Snow Telemetry (SNOTEL, 21 total) and snowcourse sites (170 total) used in this study, 13 Alaska climate divisions (black boundaries), and 1970–1999 historical snowfall equivalent (SFE).
(Public domain.)
Snow is an iconic and integral part of the Alaskan landscape, serving many functions to both the people and wildlife that live there. Snow provides crucial habitat for species such as the native Alaskan snowshoe hare, wolverine, and lynx, and plant life is affected by the timing of the onset and end of the snow season. Glaciers, which are the result of centuries of snow accumulation and compaction, harbor snowfields that melt later than other snow and contribute to streamflow important to resident and migratory fish. Local hydroelectric power systems, recreation-seekers, and transportation infrastructure all rely on a ....

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Researchers project more 'extreme' rainfall in Southeast and Western Alaska as planet warms


Posted by Eric Stone | Feb 2, 2021
Ketchikan Creek rages after heavy rains and a high tide in 2015. (Leila Kheiry/KRBD)
Climate scientists say a warming planet is likely to make big rainstorms in Southeast and Western Alaska more common. And rising temperatures are also forcing researchers to reconsider just how much rain a storm can drop.
 
Researchers project that storms that used to come around once every 20 years or so could start to occur every five to 10 years in Southeast Alaska, or every three years in Western Alaska.
But what is a 20-year storm? Jeremy Littell is a United States Geological Survey researcher who works with the Alaska Center for Climate Assessment and Policy. Let’s say you look out your window and see sheets of rain coming down. You say to yourself, “Wow, that’s quite a rainstorm.” ....

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