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What Are U Shaped Valleys? A U-shaped valley is an ancient geological formation with high, steep sides and a flat or rounded valley bottom. They result from glaciation and are often the home of rivers, lakes, sand traps on golf courses, kettle lakes (water hazards) and other natural features. Glacial erosion forms U-shaped valleys when rocks are removed from the sides and the bottom of the valley. These valleys can be found in mountainous regions across the world. Glaciers are responsible for the formation of them Glaciers are huge bodies of ice that form and then move down mountains. As they degrade the landscape they form U-shaped valleys with flat floors and steep sides. These valleys are distinct from river valleys which tend to be shaped in the shape of the shape of a V. Although glacial erosion can take place anyplace however, these valleys tend be more prevalent in mountainous regions. In fact, they are so distinctive that you can tell if the landscape was created by glaciers or rivers. The formation of a U-shaped gorge begins with an existing V-shaped river valley. As the glacier recedes it, it expands into the V-shaped valley of the river, and forms a U-shaped inverted shape. The ice also scrubbing the surface of the land, causing high and straight walls on the sides of valley. This process is called glaciation and requires a great deal of strength to move the earth in this manner. As the glacier continues to degrade the landscape, it also makes the valley deeper and wider. The glacier's ice is less frictional than the rocks. As the glacier travels down the valley it also causes friction on the rock surfaces and pulls the weakend rocks away from the valley wall through a process called plucking. These processes are used together to widen, smoothen and deepen the U-shaped valley. These processes also cause a tiny side valley to be left hanging over the main valley. This valley is sometimes filled with ribbon lakes which are formed by the flow of water that flows through the glacier. The valley is also characterized 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. They are most often 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 the Nant Ffrancon valley in Wales and Glacier National Park in Montana. In certain instances valleys can extend to the ocean and transform into fjords. This is an natural process that occurs when the glacier melts, and it could take tens of thousands of years to get these valleys created. They 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 rivers valleys that have been filled with glaciers during the Ice Age. Glaciers degrade the valley floor by abrasion and plucking which causes the valley to deepen and widen more evenly than a river could. These types of features are found in mountainous regions all over the globe including the Andes Mountains, Alps Mountains, Himalayas Mountains, Rocky Mountains and New Zealand. Glacial erosion of a river valley may transform it into a u-shaped valley by expanding and deepening it. The erosive force of the glacier also causes smaller side valleys to hang above the main valley, which is often marked by waterfalls. These types of features are referred to as “hanging valleys” due to the fact that they hang over the main valley when the glacier retreats. These valleys are usually located in forests and could contain lakes. Some valleys are dry and utilized for farming, while others are swamped and can be explored as part of a hike or kayaking trip. Many of these valleys are located in Alaska, the place where melting glaciers are the most prominent. Valley glaciers are huge, river-like flows that slowly slide down mountain slopes. They can reach depths of more than 1000 feet and are the most common type of valley erosion in regions of alpine. They consume the rocks that lie at the bottom of the valley, causing depressions and holes that are filled with water. The lakes that result are wide and long, and can be located on the peaks of certain mountains. A glacial trough is yet another kind of valley. It is a U shape valley that extends out into the saltwater to create an Fjord. These are typical in Norway, where they are known as fjords. However, they are also found in other parts of the world. They are created by melting ice and can be seen on maps of the world. huge u shaped sectional are characterized by their steep sides and round sides that form a U-shape. The walls of the troughs are typically made of granite. They are steep A U shape valley is a geological formation with steep, high sides and a smooth bottom. Glaciers are the reason for many of these valleys. They are common in mountainous areas. This is due to glaciers' slow movement downhill and then scour the land. Scientists believed that glaciers wouldn't be able to carve valleys due to the fact that they are so soft but now we know they can create these shapes. Glaciers create unique U-shaped valleys by the process of abrasion as well as plucking. Through erosion these processes can widen, steepen, and deepen V shaped river valleys. The slopes of the valley bottom are also altered. These changes take place in the front of the glacier as it is pushed into a valley. This is the reason why the top of a U-shaped valley is usually wider than the bottom. U shaped valleys are sometimes filled with lakes. The kettle lakes are formed in hollows that have been eroded by the glacier, or blocked by the moraine. The lake may be a temporary feature as the glacier melts or may remain when the glacier recedes. They are typically found in conjunction with cirques. A flat-floored Valley is a different kind of valley. The valley is created by streams which erode the soil. However, it does not have a steep slope as the U-shaped ones. They are typically found in mountainous regions and are often older than other types. There are many kinds of valleys across the globe. Each has its own unique appearance. The most well-known is a V-shaped valley, but there are other varieties, including U-shaped valleys and the rift valleys. A rift valley occurs when the earth's surface splits into two. These are often narrow valleys with steep sides. This is evident in the Nant Ffrancon Valley, located in Snowdonia. There are a variety of widespread. Unlike V-shaped valleys, U-shaped valleys have broad bases. Glaciers are responsible for creating these valleys, which are typically found in mountain ranges. Glaciers are massive blocks made of snow and ice that erode the landscape as they move downhill. They degrade valleys by crushing the rocks with friction and the abrasion. This erosion is called scouring. As they erode the landscape, the glaciers create an unusual shape that resembles a letter U. These are referred to as U-shaped valleys and are found in many locations around the globe. The valleys are formed when glaciers erode river valleys. The glacier's weight and slow movement can cause erosion of the valley floor and sides, creating a distinctive U-shaped shape. This process is referred to as glacial erosion, and has led to some of the most stunning landscapes on Earth. These valleys are sometimes called glacial troughs or troughs. They are found throughout the globe, but are most often found in areas with glaciers and mountains. They can vary in dimensions from a few meters to hundreds of kilometers. They can also vary in depth and length. The temperature fluctuation will be greater the deeper the valley. A fjord, or a ribbon lake is formed when a U-shaped gorge fills with water. The ribbon lakes form in depressions where glaciers have eroded less resistant rocks. They also can form in a valley in which the glacier was stopped by a moraine wall. In addition to U-shaped valleys, ribbon lakes can also be filled with glacial features such as hanging valleys, erratics, and moraine dams. Erratics, also known as massive boulders, are created by a glacier as it moves. They are commonly used to mark the boundaries of glaciated areas. Hanging valleys are smaller side valleys that are left 'hanging' above the main valley formed by the glacier. These valleys aren't as deep as the main valley and they contain less ice. They are created by tributary glaciers and are often overshadowed by waterfalls.