Wisconsin Glaciation Research Paper

Throughout the 20th Century, Glacier Melting has had a great impact all over the world. Glaciers are large sheets of snow and ice that are found on land. While melting glaciers are caused by global warming, glacier melting also impact the temperatures across the globe. Alot of things is threatened by glacier melting. There are many causes to Glacier Melting.

Outwash and till are similar but different at the same time and this is why they are both deposited by glaciers, but the way they are deposited is what makes them different. Till is simply the sediment left by the ice, outwash is deposited by the running water coming off of the melting glacier. Because water can sort sediment, and ice cannot, that is why the till is unsorted. Sorting just means when the rocks are sorted by size, bigger pieces together on the bottom, smaller pieces together on top. Glaciers are constructive and deconstructive they are deconstructive because they tear up land and the glacier does not stop for anything but it is easy to avoid. Glaciers erode the land and create landforms such as kames, eskers, and drumlins those terms will be explained a little bit later. Glaciers create valleys by shearing away the mountainside and moving it away. Some of the landforms that glaciers produce are drumlins, terminal moraine, outwash plain, and an erratic. Drumlins are elongated, teardrop-shaped hills of rock, sand, and gravel that formed under moving glacier ice. A terminal moraine is where the glacier reaches its max and starts receding making a deposit of till. An outwash plain is a flat area made by meltwater carrying outwash from the leading edge of the glacier. An erratic is a rock or boulder carried from a place where the Rock is common to an area where the rock is not

During the Pinedale glaciation, there were two ice sheets. One of them being the Cordilleran Ice Sheet. The Cordilleran Ice Sheet was comprised of three main lobes. The Puget Lobe, Okanogan Lobe, and the Purcell Trench Lobe. The one lobe in Northern Idaho, near present day Lake Pend Oreille, was the Purcell Trench Lobe. When these sheets of glacial ice moved south they caused an ice dam to occur. J.T. Pardee states that “The evidence of icebergs, together with the apparent regency of the lake and the variable height of its surface, connect this lake with the glacial period, and readily lend themselves to the suggestion that its dam was of ice” (Pardee, 1910) This ice dam blocked the Clark Fork River which is near the boundary of Idaho and Montana. The water from the river was blocked and began to build up and formed Glacial Lake Missoula. Water

Immigration and Migration have greatly impacted Minnesota history from the state’s beginning to the present. The impact of migration from the end of the 1800s to the Vietnam War to today has brought social, cultural, and political changes that have shaped the state. Within each time period, different ethnic groups migrated to Minnesota, including: Europeans, Africans, and Asians. People of different backgrounds moved to the same location, bringing their culture, views and beliefs with them. The migration periods: the iron range from the end of the 1800s to 1920, after the end of the Vietnam War, and today contain similarities and differences. There’s no doubt that the migration of people has greatly influenced the present, as will the migration of people today influence the future.

As this river of ice moved slowly over the hidden rocks, the base of the glacier grazed millions of sediments in the Earth. The after math composed of soil, pebbles, cobbles and boulders that pushed forward, smashing rocks into glacial dust. Then the climate began to warm. Melted water from the glaciers carried the soils and rocks away from the dissolving glacier, depositing its leftovers throughout the landscape. This combination of soils and rocks deposited. Then low hills, or moraines, were created across the state. Michigan's glacial drift averages 200 to 300 feet. The scraping of boulders created particles. The heaviest pieces formed ridges, which made the stream's flow in a certain direction. Lighter materials were carried further, dropping on the way as the flowing water slowed. These materials dried forming enormous, flat colored areas of sand, silt, clay creating a mixture called the outwash plains. The weight of the glacier over the Michigan basin was dropping, and the Earth began to recoil, like a sponge coming back to its original shape. The Michigan landscape began to appear. Plants began to approach on the shriveled landscape. Individual plants found a suitable growing environment near each other, which created a suitable home for

The landscape of Indiana, like that of Illinois and Iowa was shaped by the glaciers that covered the midwest during the last ice age. In central Indiana they flattened the land and deposited a rocky debris called till. Over time, the sand clay and minerals that made up the till eroded into

This area is what anchored North America in the northeast. Covered in a layer of topsoil.

When sometimes around twelve thousand years ago climate started to become warmer and ice started to melt, it created a great allowance for ancient hunters to reach North America. Native Americans started to hunt in the wider areas and supply their community with a lot of meat. When people started to have more food, especially meat that caused a fast growth of population. For some unknown reasons, at the same time big mammals and mastodons started to disappear from the Earth. It is a possibility that the climate warming and lack of water sources played a role of the disappearance these big animals. Lack of water put animals in the situation when survival is not possible. The climate change also made a big adjustment in human’s ration and style of life. When people started to spread to North America, they discovered a lot of new food sources like small animals, fish, different kind of nuts and berries.

One of nature's most powerful and influential forces is also one of nature's coldest and slowest processes. These great icy rivers are called glaciers and have formed some of the most beautiful scenery on this planet. These enormous frozen bodies of water are often thousands of feet wide and deep and many miles long. They cover millions of acres of land and drastically change the land into beautiful mountains with many amazing features. One of the areas where glaciers have been most influential is in Yosemite National Park in California. Here almost every glacial feature is shown. However, before this information about glaciers in Yosemite was clear, there was the Yosemite Controversy with

The Pizzly was the result of Grizzly bears moving north, towards the poles, to escape their warm climate. Mammals are predicted to be moving ten miles per decade and marine life is predicted to be moving four times faster. Chris Servheen, a Grizzly bear expert at the University of Montana, stated “The combination of warmer temperatures and vegetation growth means there is more overlap between the species’ and I’d expect that overlap to increase.” The overlapping of species is a major cause of extinction. To emphasize, plenty of species are dying due to being genetically swamped by others. It is more detrimental, when rare species come in contact with more abundant ones. In this situation, the abundant ones can interbreed with them swamping the rare species and creating hybrids, consequently driving the original purebred to complete extinction. It can also lead to reduced genetic diversity, in which reduces the species ability to evolve with future changes in its environment. TRANSITION, the Chippewa forest is known for its beautiful scenery and catholic wildlife, with the vegetation already predicted to vanish by the end of the century, it would be devastating for all of the species of animals to vanish along with it. Minnesota and other states in the northern hemisphere are heating up faster than any other areas around the world, due to the relatively high latitude, the position relative to prevailing winds, and the drastic rise in temperature of the Gulf of Maine. Although this is not a result of human impact, when it is mixed with the warming climate, caused by the increased amount of atmospheric carbon, it can be disastrous towards

After the last ice age, the European continent was transformed as climate warmed and sea levels rose. Increased rainfall and warmer temperatures allowed communities to depend more on plant foods and exploit their surroundings. Communities took advantage of new resources and grew in size and complexity as hunter-gatherers became farmers.

Snow Lake Lodge offers an alpine experience throughout the year less than two hours from the bustle of Los Angeles and Orange County. With near-perfect snowfall in the winter and a wealth of outdoor adventure in the summer, this is one of the best vacation destinations in the country. The lodge is surrounded by pine forests and located just minutes from the charming town of Big Bear. The winter offers skiing, snowboarding and sledding and the summer offers mountain biking, boating and fishing, horseback riding and hiking. Other attractions include the San Bernardino National Forest and state parks, Moonridge Animal Park and Big Bear Lake, the largest recreational lake in Southern California.

When the Ice Age began, the Rocky Mountain National Park area saw large ice sheets covering much of the land. There had been proof of earlier glaciation in the Rocky Mountain area because a mass of older rocks and sediments called moraines had been deposited by a glacier and found on the edges and extremities of the mountains there. Unfortunately, a large majority of the evidence has been erased by the more recent glaciation in the Ice Age.

“Following Tertiary time during the Quaternary Period (the most recent 2 to 3 million years) the major sculpturing of Pacific Coastal Alaska began” (Anthony and Tunley 1976). Layers of snow deposited on the high mountains from moisture-laden winds of the Pacific. Over time, the snow compacted into ice; growing into large ice fields, moving, grinding, and carving out the landscape in a flowing movement to the sea. Glaciers advanced and retreated four times during the Quaternary Period (Anthony and Tunley 1976). Nunataks or isolated peaks projecting through ice or snow remained visible during maximum glaciation. “Maximum glaciation provided ice the ability to cap the Pacific Coastal Ranges and extend to the Gulf of Alaska or all the way to the

Glaciers are one of the most fundamental phenomenon on the planet, and much of their purpose and impact on earth has been well documented and published. Ice sheets, Ice Caps and Glaciers trap nearly 90% of the world's fresh water, and are replenished by snowfall each year. Their existence on this planet dates back 650,000,000 years and yet they are always moving, always shifting and always melting. Before, human existence and even during the brief era of humans, ice dominated all of the earth's landmass and have regulated, created and altered many of the landscapes around the world.