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Glacier Research Papers

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Glaciers, a natural phenomenon. A glacier is a slowly moving mass of ice formed by the accumulation and compaction of snow. Glaciers are truly amazing, and in this research paper I will explain why. I will give background on the Wisconsin Glaciation and the Des Moines Lobe, Glacial Meltwater, and Glacial Land Formations and What Certain Glaciers Left Behind. Glaciers go back thousands of years, in fact, 75,000 years ago was when the last glacial advancement started. 14,000 years ago was when the last glacial maximum occurred. And 11,000 years ago, the last glacier in Minnesota was melted completely. The Des Moines Lobe moved about 510 miles south of where it first started and it covered all areas of Minnesota except Central Minnesota …show more content…
They leave behind landforms, such as lakes, rivers, and erratics, they leave behind stories and scratches that all tell of our past and determine our future. Glaciers also leave behind till and outwash. Till is unsorted and unlayered sediment that is dropped off by a glacier. Outwash is sediment that is sorted and layered that is deposited by meltwater flowing from a glacier. Till and Outwash are different because till is unsorted and unlayered and outwash is sorted and layered. Glaciers have constructive and destructive processes. Glaciers can change the landscape around them by bringing sediment and rocks with them that scratch the surface of the earth and create rivers, they can also deposit chunks of ice that melt and form a lake. Glaciers are essentially moving around the landscape of of the earth and changing it to better fit their needs and they carve out a path for themselves to move. One glacial feature that can be constructed is a kettle lake, these lake form when ice drops of a glacier and melts. One glacial feature that can be destroyed is an oxbow lake. Oxbow lakes form when a river is cut of and meanders the opposite way, the oxbow lake may contain some water from the river it was previously a part of , but when or if it dries up, it creates a meander

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