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Old 02-19-2009, 09:47 AM   #11
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Originally Posted by Dave Stiles View Post
like today when I had 11 fourth grade students on cross country ski's for the first time ...
Not on your life buddy! I had a group of 6 sixth graders at a hands on museum last month and when I got home I collapsed. Just keeping track of them inside the building was enough for me. Can't imagine on ski's out in the open, with moose around no less. I can just see one careening out of control down a hillside toward the moose.
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Old 02-19-2009, 10:56 PM   #12
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It wasn't too bad ... today I had them on snowshoes in 4 feet of snow. The cool kids thought they had no need to wear them, so we went cross country and within a few minutes they decided I must be right and they needed to wear the gear. Something about being chest deep in powder quickly changed their mind. Tomorrow is a day of snow science with 7th grade students.
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Old 02-20-2009, 08:20 AM   #13
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Details, please. What does a day of snow science with Dave entail?
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Old 02-20-2009, 08:33 PM   #14
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Snow science -

We dig several snow pits, from surface to ground level to look at the various layers in the snow pack. We do anywhere from 4 to 8 pits, depending on location and slope aspect.

After measuring and obtaining the data - which includes depth of layers, temps every ten centimeters and snow types - be they facets, rounds, crust or fresh snow. We then measure the density of the layers using a 100 cubic centimeter scoop and a scale to determine the decimal density of the snow.

We then calculate the percentage of snow for each of the four snow types, calculate water equivalent, determine the thermal index and finally calculate the thermal gradient to see if we have a difference of greater than 1 degree celsius within a 10 CM range. Finally we make a determination if there may be an avalanche hazard for the area we are in based on data obtained and calculated...

And no calculators or computers - all done by hand in the field.
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Old 02-20-2009, 09:45 PM   #15
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Bless you for taking on the risk of trying to keep skiers safe with kids in tow no less.
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Old 02-20-2009, 11:52 PM   #16
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How did the kids do? Were they interested in what they were doing?
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Old 02-22-2009, 01:30 AM   #17
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Dave,
I had no idea there were so many different types of measurements for snow!

Here we measure it as follows:
1. Have to shovel.
or
2. Don't have to shovel.

Anyway thanks for the science lesson about snow.

BooBooBearBecky
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Old 02-22-2009, 12:22 PM   #18
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Here we measure,
Which neighbor has the plow attachment for his pickup? Shovel's we got, LOL
Normally get one of the neighbor kids to do the heavy stuff for a few bucks.
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Old 02-22-2009, 01:30 PM   #19
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Quote:
Originally Posted by BooBooBearBecky View Post
Dave,
I had no idea there were so many different types of measurements for snow!

Here we measure it as follows:
1. Have to shovel.
or
2. Don't have to shovel.

Anyway thanks for the science lesson about snow.

BooBooBearBecky
lol...uh huh...and for me it was also:

1. Can I open the back door
or
2. Can I not open the back door
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Old 02-22-2009, 01:35 PM   #20
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Easy peezy......stay by the fire, LOL
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