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14 March, 2002Climate Sunny, High 28, Low -8 The Science Behind Density As explained before, there are four sections used to collect snow samples from Jalpertia pond. Heat flow is a function of thermal conductivity and temperature gradient. In order to find thermal conductivity, we need to calculate snow density. We will discuss temperature gradient later. Below are mean (average) density values from Jalpertia pond-notice the slight fluctuation. Mean density 3/5/02 = .1567203 3/7/02 = .1480379 3/9/02 = .1649073 3/12/02 = .1729894 3/14/02 = .1692460 Temperatures are expected to increase within the next few days, which may impact the snow cover. What is your prediction for March 16th? So, What Do You Think? Ice break up times on the Tanana River near Fairbanks have been documented since 1917. Which week do you think ice will break up this year? __________________________________________________ Do You Yahoo!? Yahoo! Sports - live college hoops coverage http://sports.yahoo.com/
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