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What Are U Shaped Valleys?A U-shaped Valley is a geological formation that has steep, high sides as well as an elongated or flat valley bottom. They result from glaciation and are often home to lakes, rivers, sand traps on golf courses, kettle lakes (water hazards), and other such natural features.Glacial erosion creates U-shaped valleys when the rocks are removed from the sides and bottom of the valley. These valleys are found in mountainous regions around the globe.They are created by glaciersGlaciers are massive bodies of ice that form on mountains and then move down them. As they degrade the landscape they create U-shaped valleys that have flat floors and steep sides. These are distinct from the valleys of rivers that are generally formed in the shape of a letter V. While glacial erosion may occur in many locations, these valleys are especially distinctive of mountain regions. They are so distinct that it is easy to tell whether the landscape was created by rivers or glaciers.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 an inverted U-shape. The ice also damages the surface of the ground, causing the sides of the valley to have straight and high walls. This process is referred to as glaciation and it requires a lot of strength to move the earth this way.As the glacier continues to degrade the landscape, it makes the valley deeper and wider. The glacier’s ice is less abrasive than the rocks. As the glacier travels down the valley, it creates scratches on the rocks and pulls the weaker rocks from the valley wall in a process known as plucking. These processes work together to widen, deepen and smooth the U-shaped valley.These processes also cause a tiny side valley to be left ‘hanging over the main valley. The valley could be filled with ribbon lakes that are formed when water rushes through the glacier. The valley is also characterized with striations, ruts and till on the sides as well as moraines and till on the floor.The world is filled with U-shaped valleys. They are prevalent in mountainous regions, such as the Andes, Alps, Caucasus, Himalaya 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 some instances, valleys can extend to coastal areas and become Fjords. This is a natural process that occurs when the glacier melts. It can take thousands of years to form these valleys.The ocean’s depths are deepU-shaped valleys are characterized by steep sides that curve towards the bottom and a wide flat valley floor. They are formed by river valleys which have been filled with glaciers during the Ice Age. Glaciers erode the valley floor through abrasion and plucking, which cause the valley to get deeper and broaden more evenly than a river would. These features are found around the globe in mountainous regions which include the Andes, Alps, Himalayas, Rocky Mountains, and New Zealand.The erosion of a river valley may transform it into a u-shaped one by deepening and enlarging 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 are referred to as “hanging valleys”, because they are suspended above the main valley when the glacier retreats.These valleys are usually surrounded by forests and may contain lakes. Some valleys are dry and used for farming, while others are flooded and can be visited as part of a kayaking or hiking trip. A majority of these valleys are in Alaska in the region where glacial melt is most pronounced.Valley glaciers are massive flowing like rivers that slowly slide down mountain slopes. They can reach depths over 1000 feet and are the predominant type of alpine terrains that suffer from valley erosion. They eat the rocks at the bottom of the valley, causing depressions and holes that are filled with water. The lakes that result are wide and long and are found on the tops of certain mountains.Another type of valley, called a glacial trough is a U-shaped valley that extends into saltwater and creates an fjord. They are all over the globe including Norway which is where they’re known as Fjords. They are created by melting glaciers, and can be seen on a map of the world. They are usually characterized by their rounded sides, which resemble the shape of a U shape in cross-section, and steep sides. The walls of the troughs are usually made from granite.They are slopingA U shaped valley is a type of formation with steep, high sides and a smooth bottom. Glaciers are responsible for many of these valleys. They are common in mountainous areas. This is because glaciers move slowly downhill and scour the earth. Scientists used to believe that glaciers could not carve a valley because they are so soft but now we know they do create these shapes.Glaciers form distinctive U-shaped valleys by the process of abrasion and plucking. These processes broaden, steepen and deepen V-shaped valleys to the U shape through erosion. They also change the slopes of the valley floor. These changes happen at the front of a glacier when it traverses the valley. This is why the top of U-shaped valleys is usually wider than the bottom.Sometimes, U-shaped valleys can be filled with lakes. The kettle lakes are formed in hollows caused by erosion of the glacier, or dammed by the moraine. The lake may be a temporary feature, as the glacier melts, or it may remain after the glacier has receded. They are often located in conjunction with cirques.A flat-floored Valley is another kind of valley. This valley is formed by streams which erode the soil. However it doesn’t have a steep slope as a U-shaped one. sofasandcouches are typically found in mountainous regions and are often older than other types.There are a variety of valleys around the world, and each has a distinct appearance. The most popular is a V-shaped valley but there are other varieties, including U-shaped valleys and the rift valleys. A rift valley forms where the earth’s surface is breaking apart. They are typically narrow valleys with steep sides. The Nant Ffrancon valley in Snowdonia, Wales is a good illustration of this.There are a variety of widespread.U-shaped valleys are distinguished by their broad bases unlike V-shaped ones. They are typically found in mountains and are formed by glaciers. Glaciers are massive blocks made of snow and ice that degrade the landscape as they move downhill. They cause valleys to recede by crushing rocks with friction and abrasion. This is referred to as Scouring. The glaciers erode the landscape in a distinctive U-shaped design. These valleys, also known as U-shaped Valleys, are able to be found in a variety of locations across the globe.These valleys are formed when glaciers degrade river valleys. The glacier’s slow motion and weight is able to erode the valley sides and floor, creating a distinctive U shape. This process, also known as glacial erosion, has resulted in some of the most stunning landscapes on Earth.These valleys can also be called trough valleys, or glacial troughs. They are found throughout the globe, but are most often found in regions with glaciers and mountains. They can vary in dimensions from a few meters to hundreds of kilometers. They also differ in length and depth. The deeper the valley is, the larger the fluctuation of temperature will be.If a U-shaped gorge is filled with water, it forms a ribbon lake or fjord. The ribbon lakes develop in depressions where glaciers have eroded less resistant rock. They may also form in a valley, in which the glacier is stopped by the wall.U-shaped valleys can also contain other glacial features like hanging valleys, moraine dams, and the erratics. Erratics, also known as massive boulders, are created by glaciers as it moves. The erratics can be used to mark the boundaries between glaciated regions.These smaller valleys hang” above the main valley that was created by the glacier. These valleys are not as ice-filled and are not as deep. These valleys are created by tributary ice and are typically covered by waterfalls.