what are u shaped valleys (Blogbright blog entry)?

A U-shaped valley is a geological formation that has steep, high sides and a rounded or flat valley bottom. They are the result of glaciation and are frequently the home of rivers, lakes and sand traps found on golf courses kettle lakes (water hazards), and other such natural features.

The process of erosion caused by glacial erosion creates U-shaped valleys when rocks are ripped from the side and bottom of the valley. These valleys are common in mountainous regions across the world.

Glaciers are the primary reason for forming them

Glaciers are huge u shaped couch bodies of ice that form and slide down mountains. As they erode they form U -shaped valleys that have flat floors and steep sides. These are different from river valleys that are usually shaped in the shape of a V. While glacial erosion can happen everywhere but these valleys tend to be more common in mountainous regions. In fact, they are so distinct that you can tell whether the landscape has been shaped by glaciers or rivers.

The formation of a U -shaped valley starts by forming an V shape river valley. As the glacier melts it, it expands into the V-shaped valley of the river, and forms a U-shaped inverted shape. The ice also scratches the surface of the land, causing the valley's sides to have straight and high walls. This process is known as glaciation and requires the strength of a lot to move the earth in this way.

As the glacier continues eroding the landscape, it also makes the valley wider and deeper. This is due to the fact that ice has less frictional resistance than the surrounding rocks. As the glacier travels down the valley it also causes scratches on the rocks and pulls the weaker rocks away from the valley wall in a process referred to as plucking. These processes are combined to broaden, deepen and smooth the U-shaped valley.

This also causes a small valley to 'hang over the main one. This valley is sometimes filled with ribbon lakes, that are formed by the rushing of water through the glacier. The valley is also characterized by striations and ruts on the sides and bottom, as well as till and moraines on the floor.

The world is full of U-shaped valleys. They are prevalent in mountainous regions, including 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 certain instances valleys can extend to the ocean and transform into Fjords. This is natural process that occurs when the glacier melts and it could take tens of thousands of years for these valleys to be created.

The ocean's depths are deep

U-shaped valleys are characterized by steep sides that curve at the bottom and a wide, flat valley floor. They are formed in valleys of rivers that were filled by glaciers during the ice age. The glaciers erode valley floors via abrasion and plucking which makes the valley widen and expand more evenly than with a river. These types of features are found in mountainous regions across the world including the Andes Mountains, Alps Mountains, Himalayas Mountains, Rocky Mountains and New Zealand.

The glacial erosion of a valley may transform it into a U-shaped valley by enlarging and deepening it. The erosive force of the glacier can also cause smaller side valleys to hang above the main valley which is often characterized 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 recedes.

These valleys are often covered in forest and may contain lakes. Some valleys are used for farming, while others are flooded. A majority of these valleys are in Alaska in the region where glacial melt is the most evident.

Valley glaciers are massive flowing like rivers that slowly slide down the slopes of mountains. They can reach depths of over 1000 feet and are the dominant form of valley erosion in alpine regions. They consume the rocks that lie at the bottom of the valley, leaving behind 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 kind of valley, a glacial trough is a U-shaped valley that extends into salt water and creates a fjord. They are prevalent in Norway in Norway, where they are known as fjords. However, they are also found in other regions of the world. They are created by melting glaciers and can be seen on a map of the globe. They are typically characterized by rounded sides that resemble the shape of a U shape in cross-section, and steep sides. The walls of troughs are usually made from granite.

The slopes are steep

A U shaped valley is a type of formation with steep, high sides and a smooth bottom. They are common in mountainous regions and are usually carved by glaciers. This is because glaciers are slow moving rivers of ice that move downhill, scouring land as they move. Scientists used to think 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 plucked. These processes widen, increase the slope and deepen V-shaped river valleys into the oversized u shaped sectional shape through erosion. They also change the slopes of the valley floor. These changes take place at the front of the glacier as it turns into a valley. This is the reason why the U shaped valley is often wider at the top and narrower at the bottom.

Sometimes, u shaped modular sectional-shaped valleys may be filled with lakes. These are referred to as kettle lakes. They form in hollows that were eroded out of the rock by the glacier or drained by moraine. The lake could be a temporary feature when the glacier melts, or remains after the glacier recedes. They are usually located in conjunction with cirques.

Another kind of valley is a flat-floored one. It is a type of valley created by streams that erode the soil, but it isn't the same steep slope as the U-shaped valley. They are usually found in mountainous areas and are often older than other types of valleys.

There are many kinds of valleys across the globe. Each one has its own distinctive appearance. The most common type of valley is the V-shaped one, but there are some rift valleys that are U-shaped as well as. A Rift valley forms in places where the earth's crust is splitting apart. They are usually narrow valleys that have steep sides. The Nant Ffrancon valley in Snowdonia, Wales is a good example of this.

They are broad

U-shaped valleys are distinguished by their wide bases, unlike V-shaped ones. Glaciers are the main cause of these valleys, which are typically found in mountain ranges. Glaciers are massive blocks of snow and ice that alter landscapes as they slide downwards. They cause valleys to be eroded by friction and erosion. This process is known as scouring. As they erode the landscape, glaciers create an unusual shape that resembles the letter U. These valleys are referred to as U-shaped valleys and are found in a variety of locations across the world.

The valleys are formed when glaciers degrade valleys of rivers. The glacier's slow motion and weight erodes the valley's floor and sides and creates a distinctive U shape. This process, referred to as glacial erosion, has resulted in some of the most stunning landscapes on Earth.

These valleys are also called trough valleys, or glacial troughs. They are found all over the world, but they are particularly in regions with glaciers and mountains. They range in size from a few metres to several hundred kilometers. They can also vary in depth and length. The temperature fluctuation will be higher the deeper the valley.

A fjord, or a ribbon lake is formed when a huge u shaped couch-shaped valley is filled with water. The ribbon lakes develop in depressions where glaciers have eroded less resistant rock. They can also form within a valley where the glacier has been stopped by the wall.

Apart from u shaped reclining sectional-shaped valleys, ribbon lakes can also be filled with glacial features like erratics, hanging valleys and moraine dams. Erratics are massive rocks that were left behind by glaciers during their movement. The erratics are frequently used to define the boundaries of glaciated areas.

These smaller valleys are left 'hanging" above the main valley that was created by the glacier. These valleys contain less ice and aren't as deep. These valleys are carved out by tributary ice and are often topped by waterfalls.