A basin is a depression or hollow on the earth’s surface, which is surrounded by higher land. A valley is also a depression or hollow between hills, mountains and uplands. A basin, which is also called a watershed, is the part of land that is drained by a river and its various tributaries.
What do valleys and basins have in common?
According to the Oxford dictionary, a basin is “a circular or oval valley or natural depression on the earth’s surface, especially one containing water.” A valley is “a low area of land between hills or mountains, typically with a river or stream flowing through it.” We can give the same definition in these words as
What is considered a basin?
A basin is a depression, or dip, in the Earth’s surface. Basins are shaped like bowls, with sides higher than the bottom. They can be oval or circular in shape, similar to a sink or tub you might have in your own bathroom. Some are filled with water. Others are empty.
What causes a valley or basin?
Basins are formed by forces above the ground (like erosion) or below the ground (like earthquakes). They can be created over thousands of years or almost overnight. The major types of basins are river drainage basins, structural basins, and ocean basins.
What is the difference between a vale and a valley?
A vale is a long depression in the land, usually between two hills and containing a river. A vale is a valley. If you’ve ever gone to a place where there are mountains, you’ve seen plenty of mountain ranges, mountaintops, and valleys. Valleys are the low points between hills, and they are also known as vales.
Is Phoenix a valley or basin?
One such basin encompasses most of the city of Phoenix in central Arizona (Figure 1). This subsurface basin, herein called the Phoenix basin, underlies the western part of the Salt River Valley; many hydrologists use the term western Salt River Valley synonymously with the Phoenix basin.
What does River Basin mean?
A river basin is the portion of land drained by a river and its tributaries. It encompasses all of the land surface dissected and drained by many streams and creeks that flow downhill into one another, and eventually into the Milwaukee River.
How big is a valley?
Such valleys can be up to 100 km (62 mi) long, 4 km (2.5 mi) wide, and 400 m (1,300 ft) deep (its depth may vary along its length). Tunnel valleys were formed by subglacial water erosion. They once served as subglacial drainage pathways carrying large volumes of melt water.
What is a basin on a mountain?
In geology, a basin is defined as a bounded area where the rock within the boundaries dips inward toward the center. By contrast, a range is a single line of mountains or hills forming a connected chain of land higher than the surrounding area. When combined, the two make up basin and range topography.
What is a basin give an example?
Many basins are found alongside plateau edges and form areas of inland drainage, i.e., the rivers flowing in the basin do not reach the sea. The Tarim and Tsaidam Basins of Asia and the Chad Basin of north-central Africa are examples of the basin. Concept: Plateaus.
What is called valley?
Valleys are depressed areas of land–scoured and washed out by the conspiring forces of gravity, water, and ice. Some hang; others are hollow. They all take the form of a “U” or “V.”
What is the largest valley in the world?
The largest valley in the world is the rift valley that runs along the Mid-Atlantic Ridge in the Atlantic Ocean.
What is a valley answer?
A valley is a long depression, or ditch, in Earth’s surface. It usually lies between ranges of hills or mountains. Most valleys are formed by rivers that erode, or wear down, soil and rocks.
What is a Dale vs vale?
As nouns the difference between dale and vale
is that dale is (uk) a valley in an otherwise hilly area while vale is (mostly|poetic) valley.
What is a valley in geography?
valley, elongate depression of the Earth’s surface. Valleys are most commonly drained by rivers and may occur in a relatively flat plain or between ranges of hills or mountains. Those valleys produced by tectonic action are called rift valleys. Very narrow, deep valleys of similar appearance are called gorges.
What is the difference between a glen and a dale?
As nouns the difference between dale and glen
is that dale is (uk) a valley in an otherwise hilly area while glen is a secluded and narrow valley; a dale; a depression between hills.
Why is Arizona called the valley?
“The Valley of the Sun” began to catch on as a nickname for the Phoenix metropolitan area as part of a 1930s campaign to drive population rise and economic expansion in the cities that lie within the Salt River Valley. The campaign worked, and the nickname stuck.
What cities are considered the valley in Arizona?
- The East Valley is a multi-city region within the Phoenix Metropolitan Area of Arizona.
- PHX East Valley, a project with an area coalition known as the East Valley Partnership, defines the East Valley as an area that encompasses Apache Junction, Chandler, Gilbert, Mesa, Queen Creek, and Tempe.
Was Arizona once an ocean?
Arizona was still covered by a shallow sea during the ensuing Cambrian period of the Paleozoic era. Brachiopods, trilobites and other contemporary marine life of Arizona left behind remains in the western region of the state. The sea withdrew from the state during the Ordovician and Silurian.
What’s another word for river basin?
In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for river-basin, like: watershed, drainage-basin, basin, catchment area, catchment-basin and drainage area.
What is a basin in a lake?
Definition of lake basin
1 : the depression occupied by a lake. 2 : the area from which drainage reaches a lake.
