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Observing Alaskan Lake and River Ice through Fresh Eyes: Focus on Freeze-up
October 11, 2022 @ 11:00 am to 12:00 pm AKDT
Speaker: Chris Arp, Water and Environmental Research Center, UAF
Seeing ice first form on lakes and rivers signals the start of winter for many Alaskans. Despite longer and
warmer falls in recent years, trends in freeze-up timing are often inconclusive. Part of this challenge may
be defining whether freeze-up occurs as a single-day event or a progressive process with widely varied
timing depending on the waterbody and season of interest. Defining freeze-up in terms that matter to
how people use waters for travel, recreation, and subsistence is likely just as important. As part of a new
freshwater ice observation program, Fresh Eyes on Ice, we are looking for citizen observations and
insights into freeze-up and the entire ice cycle. We’ll discuss new efforts being made to improve ice
observation in Alaska and ways that you can help.