16 March, 2002
Partly Cloudy, High 38, Low 14
Temperatures are rising drastically!
Recall your predications for todayís snow density at
3/16/02 = .1694645 g/cm3
And Now the Science Behind Thermal Conductivity
Thermal conductivity is the function of density, which
has the ability to insulate and conduct through a
unit area. The higher thermal conductivity, the
higher snow density and heat flow. Using the wet
sleeping bag analogy (same as dense snow), this is an
example of high thermal conductivity and an indication
of heat loss.
April Cheuvront (8th grade science teacher from North
Carolina) has returned to Alaska after 2 visits to
Fairbanks and Council. Also a TEA teacher, she is here
for the real thing. Her Principal Investigator (PI),
Matthew Sturm and their team will be traversing from
Nome to Barrow on snow machines carrying almost 6
weeks worth of food and equipment. She flies out to
begin her adventures on March 20th.
Click here for her journals and photos.
Marge Porter, a TEA teacher from Connecticut has
returned to Alaska once again. This week, she and two
other TEA mentoring experts will present to teachers
in Martinís snow and ice course. Marge, who also
studied lake ice at Poker Flat a couple of years ago,
studied sea ice in Antarctica with Dr. Martin
Jeffries. Click here to read her Antarctica and Arctic
So, What Do You Think?
Why is dog sledding called dog mushing?
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