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Showing posts with the label ice

February Nature Net News - Glaciers

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"The glacier was God's great plough set at work ages ago to grind, furrow, and knead over, as it were, the surface of the earth" Louis Agassiz Dear Reader, The Wisconsinan Glaciation happened around 12,000 years ago and was the last age of the mighty glaciers. A huge ice sheet covered most of Canada, the upper Midwest and New England - and it was named after Wisconsin! These mighty masses of ice and gravel traveled across the land, straightening and shaving the land. When they melted, they left behind their debris, creating some unique and beautiful landforms. The evidence still remains today in many a state trail or wooded valley. Wisconsin happens to be home to some of the world's finest examples of continental glaciation. Check out these ancient, natural wonders and learn how they shaped our world today in the latest issue of Nature Net News. Enjoy! Kathe, Sarah & Brenna The Folks at Nature Net Did You Know.....   A glacier is a river of ice that moves under th...

Crystals and Flakes

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Humid air rising from a warm river on a cold, still morning can form hoar frost on nearby trees and grasses. From fog to flakes to frigid frosts, we have been seeing all kinds of winter weather lately. While this freezing and thawing may be frustrating for ski hills, icefishermen, and winter drivers, it does set the stage for spotting some interesting frosty phenomena with some funny names. Most people know that water condenses during cool nights to create dew , and frost is its winter companion. Shimmering ice crystals form when water vapor in the air attaches to cold solid surfaces, crusting up your lawn and drawing delicate designs on window panes. Have you ever woken up on a cold, clear morning to find the whole world covered in a beautiful white coating of hoar frost ? These especially large and beautiful crystals form when water vapor in humid air settles on objects that are well below ...