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What Are U Shaped Valleys? A U-shaped valley is a geological formation that has steep, high sides and flat or rounded valley bottom. These valleys are created by glaciation. They usually contain lakes rivers, sandtraps, sandtraps on golf courses kettle lakes (water hazards), or other natural features. The process of erosion caused by glacial erosion creates U-shaped valleys, caused by the plucking of rocks from the side and bottom of the valley. These valleys can be found in mountainous regions around the globe. Glaciers are responsible for the formation of them. Glaciers are massive bodies of ice that are formed on the tops of mountains and then slide down them. As they erode they form U -shaped valleys that have flat floors and steep sides. These are distinct from the valleys of rivers that are typically shaped like the letter V. While glacial erosion may occur in many places but these valleys are characteristic of mountain areas. In fact, they are so distinct that you can determine if the landscape was formed by glaciers or rivers. The formation of a U-shaped gorge begins with an existing V-shaped river valley. As the glacier melts and encroaches on the V-shaped valley of the river, and forms an inverted U-shape. The ice also scour the land's surface, causing high and straight walls along the sides of the valley. This process is referred to as glaciation and requires the strength of a lot to move the earth in this manner. As the glacier continues to degrade the landscape, it makes the valley deeper and wider. This is because the ice has less frictional resistance than the surrounding rocks. As the glacier moves through the valley, it creates scratches on the rocks and pulls the rocks that are weak away from the valley walls in a process known as plucking. These processes combine to widen, deepen and smooth the U-shaped valley. This can cause the small valley to “hang' above the main one. This valley can sometimes be filled with ribbon lakes, which are formed when water rushes through the glacier. The valley is also distinguished by striations, ruts, and till on the sides, as well as moraines and till on the floor. The world is full of U-shaped valleys. Most commonly, they are found in mountainous regions like the Andes Mountains, Alps Mountains, Himalaya Mountains, Caucasus Mountains, and Rocky Mountains. In the United States they are usually found in national parks. Examples include Glacier National Park and the Nant Ffrancon Valley in Wales. In some instances the valleys can extend to coastal areas and become fjords. This is a natural phenomenon that occurs when the glacier melts. It could take thousands of years to form these valleys. The ocean's depths are deep U-shaped valleys are distinguished by steep sides that curve towards the bottom, and a wide, flat valley floor. They are formed by valleys in rivers that were filled by glaciers during the ice age. Glaciers degrade valley floors through abrasion and plucking which causes the valley to widen and deepen more evenly than with rivers. These features are found around the world in mountainous areas including the Andes, Alps, Himalayas, Rocky Mountains, and New Zealand. Glacial erosion of a river valley can transform it into a u-shaped one by expanding and deepening it. The force of the glacier's erosion can also create smaller side valleys, that are typically marked by waterfalls, to hang above the main valley. These types of valleys are known as “hanging valleys” because they are suspended above the main valley when the glacier recedes. These valleys are usually located in forests and could contain lakes. Some valleys are dry and used for farming, whereas others are flooded and may be visited as part of a kayaking or hiking excursion. Many of these valleys are located in Alaska, the place where melting glaciers are the most evident. Valley glaciers are huge river-like flows of ice that slowly move down the slopes of mountains during a glaciation. They can extend to depths of over 1000 feet and are the dominant form in alpine areas of valley erosion. They eat the rocks that lie at the bottom of the valley, causing depressions and holes filled with water. The lakes that result are long and thin, and can be located in the peaks of some mountains. Another kind of valley, a glacial trough is a U-shaped valley that extends into salt water and forms the Fjord. They are found all over the globe and include Norway and are referred to as fjords. They are created by melting glaciers and are visible on maps of the globe. They are usually characterized by their rounded sides, which resemble the shape of a U shape in cross-section as well as steep sides. The walls of the troughs are generally made of granite. The slopes are steep A U form valley is a formation of geology with high, steep sides and a rounded bottom. Glaciers are the cause of many of these valleys. They are common in mountainous areas. This is because glaciers are slow moving rivers of ice that move downhill, scouring the land as they go. Scientists once believed that glaciers could not create valleys because they were too soft. However, now we know that they can. Glaciers create distinctive u-shaped valleys by using the processes of plucking as well as abrasion. These processes widen, increase the slope and deepen V-shaped valleys into the U shape by eroding. They also alter the slopes of the valley floor. These changes occur in the front of the glacier as it moves into a valley. This is why the top of a U-shaped valley is typically wider than the bottom. Sometimes, U-shaped valleys may be filled with lakes. These kettle lakes form in hollows eroded by the glacier, or dammed by the moraine. The lake may be a temporary feature, as the glacier melts or it may remain even after the glacier has receded. These lakes are usually located alongside cirques. A flat-floored valley is another type of valley. It is formed by streams that degrade the soil. However, it does not have a steep slope like a U-shaped valley. They are usually located in mountainous areas and can be older than other kinds of valleys. There are a variety of valleys around the world and each has a unique appearance. The most well-known is a V-shaped one, but other types include U-shaped valleys as well as the rift valleys. A rift valley forms where the earth's surface splits apart. These are typically narrow valleys with steep sides. This is evident in the Nant Ffrancon Valley, located in Snowdonia. They are broad U-shaped valleys are characterized by their wide bases, unlike V-shaped ones. couch u shape are responsible for creating these valleys, which are generally found in mountain ranges. Glaciers are huge blocks of snow and ice that degrade the landscape as they move downhill. They cause valleys to be eroded by friction and erosion. This erosion is called the scouring. The glaciers erode the landscape in a distinctive U-shaped pattern. These valleys are known as U-shaped valleys. They can be found in a variety of locations across the globe. The valleys are formed when glaciers degrade the valleys of rivers. The weight of the glacier and its slow movement can cause erosion of the valley floor and sides and create a distinctive U-shaped shape. This process is known as glacial erosion and has resulted in some of the most breathtaking landscapes on Earth. These valleys are also called trough valleys or glacial troughs. They are all over the world, but especially in areas with mountains and glaciers. They can range in size from a couple of meters to hundreds of kilometers. They can also vary in depth and length. The deeper the valley is, the greater the variation of temperature will be. When a U-shaped valley is filled with water, it creates a ribbon lake or fjord. The ribbon lakes form in the valleys where the glacier eroded the rock that was less resistant. They can also form within valleys, in which the glacier is stopped by a wall. U-shaped valleys can also contain other glacial features, such as hanging valleys, moraine dams, and Erratics. Erratics, also known as massive boulders, are deposited by a glacier as it moves. They can be used to mark the boundaries between glaciated areas. Hanging valleys are smaller side valleys hanging above the main valley created by the glacier. They are less ice-covered and aren't as deep. They are formed by tributary glaciers, and are usually overshadowed by waterfalls.