What does spur in geography mean?
A spur is a lateral ridge or tongue of land descending from a hill, mountain or main crest of a ridge. It can also be defined as another hill or mountain range which projects in a lateral direction from a main hill or mountain range.
What is a river spur?
An interlocking spur, also known as an overlapping spur, is one of any number of projecting ridges that extend alternately from the opposite sides of the wall of a young, V-shaped valley down which a river with a winding course flows.
How is a spur formed in geography?
As the river erodes the landscape in the upper course it winds and bends to avoid areas of hard rock. This creates interlocking spurs which look a bit like the interlocking parts of a zip.
What is a spur map?
A spur is often formed by two rough parallel streams, which cut draws down the side of a ridge. The ground sloped down in three directions and up in one direction. Contour lines on a map depict a spur with the U or V pointing away from high ground. Latest articles in Land Navigation.
What is called spur?
a : a projecting root or branch of a tree, shrub, or vine. b(1) : a stiff sharp spine (as on the wings or legs of a bird or insect) especially : one on a cock's leg. (2) : a gaff for a gamecock. c : a hollow projecting appendage of a corolla or calyx (as in larkspur or columbine) d : bone spur.
What’s the difference between ridge and spur?
Ridge (Also: Arete or Spur) – A continuous elevated terrain with sloping sides. In the map represented by “U” or “V” shaped contour lines where the higher ground is in the wide opening. Arete is a narrow ridge and a Spur is a smaller ridge branching off a summit or a main ridge.
What is groynes or Spurs?
Groynes or spurs: Structures constructed transverse to the river flow extending from the bank into the river. Can be aligned either perpendicular to the bank or at an angle pointing d/s or u/s. Also known as spur dike or transverse dikes and constitute the most widely used river training works.
What are interlocking spurs GCSE geography?
7 July 2020 /in AQA GCSE Geography, Landforms of river erosion, Rivers/by Anthony Bennett. Interlocking spurs are fingers of land that jut out into the river valley that streams and rivers are forced to flow around in the upper course. Find out more about the landforms of erosion in the upper course of a river.
What is the difference between a spur and a ridge?
Ridge (Also: Arete or Spur) – A continuous elevated terrain with sloping sides. In the map represented by “U” or “V” shaped contour lines where the higher ground is in the wide opening. Arete is a narrow ridge and a Spur is a smaller ridge branching off a summit or a main ridge.
What is the upper course of a river called?
If we look into the whole length of a river we will notice that it has three definite courses: 1. The Upper or Mountain Course 2. The Middle or Plain Course 3. The Lower or Deltaic Course.
What is spur in hills?
A spur is a long, gently-sloping 'tongue' of ground that runs down from a hill to lower ground. Spurs often provide access to and from the high ground, for walkers, for roads, etc.
What is spur and example?
The definition of a spur is anything that pushes someone or something forward or a device that goes over a shoe during horseback riding for the rider to use to push the horse forward. An example of spur is a prize that drives someone to win the race. An example of spur is an item that a cowboy wears on his boots.
What is a spur slope?
Spur: A spur is a short, continuous sloping line of higher ground, normally jutting out from the side of a ridge. A spur is often formed by two roughly parallel streams cutting draws down the side of a ridge. The ground will slope down in three directions and up in one.
What is spur dam?
Also called groynes, spur, dikes, or transverse dikes. They constitute probably the most widely used training work. Spurs are the structures constructed on the river bank normal to the dominant flow direction or at an angle pointing upstream or downstream.
What is Spurs in hydrology?
A spur (also called groyne) is a structure constructed transverse to the river flow and is projected form the bank into the river.
What is a pronounced bend in a river called?
Meander – A pronounced bend in a river. Oxbow lake – An arc-shaped lake which has been cut off from a meandering river. Waterfall – Sudden descent of a river or stream over a vertical or very steep slope in its bed.
What is a gorge in a river?
A gorge is a narrow valley with steep, rocky walls located between hills or mountains. The term comes from the French word gorge, which means throat or neck. A gorge is often smaller than a canyon, although both words are used to describe deep, narrow valleys with a stream or river running along their bottom.
What are the 3 sections of a river?
Rivers are split up into three parts: the upper course, the middle course, and the lower course. The upper course is closest to the source of a river. The land is usually high and mountainous, and the river has a steep gradient with fast-flowing water.
What is the point where two rivers meet called?
A confluence occurs when two or more flowing bodies of water join together to form a single channel. Confluences occur where a tributary joins a larger river, where two rivers join to create a third or, where two separated channels of a river, having formed an island, rejoin downstream.
What is the full meaning of spur?
spur. / (spɜː) / noun. a pointed device or sharp spiked wheel fixed to the heel of a rider's boot to enable him to urge his horse on.
What is a spur bridge?
Spurs are used to protect highr,ray embankments. Èhat forn the approaches to a bridge crossing. often these highway embankments cut off the overbank. flood flows causing these flows to run parallel to. the embanknent enroute to the bridge opening.
What are Spurs and groynes?
Groynes or spurs: Structures constructed transverse to the river flow extending from the bank into the river. Can be aligned either perpendicular to the bank or at an angle pointing d/s or u/s. Also known as spur dike or transverse dikes and constitute the most widely used river training works.
How do Spurs assist in river control?
Spurs are structures that protrude into the river. Small spurs know as studs help keep the flood water away from venerable banks. The cost of creating the spurs and dykes can be kept low through community participation. Figure 3: Spurs used for controlling erosion at bends in rivers and spur design options.
What is the natural raised bank of a river called?
The raised banks of rivers are called Levee, Dyke, Embankment etc. They are formed naturally by deposit of silt or man-made, to stop the river from overflowing to surrounding areas and cause flooding.
Why do rivers zig zag?
0:162:56Why Do Rivers Curve? – YouTubeYouTube
What are loops of rivers called?
A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse.
What are the ends of a river called?
This source is called a headwater. The headwater can come from rainfall or snowmelt in mountains, but it can also bubble up from groundwater or form at the edge of a lake or large pond. The other end of a river is called its mouth, where water empties into a larger body of water, such as a lake or ocean.
What is the bottom of a river called?
A stream bed or streambed is the channel bottom of a stream or river, the physical confine of the normal water flow. The lateral confines or channel margins are known as the stream banks or river banks, during all but flood stage.
What is the end of a river called?
mouth This source is called a headwater. The headwater can come from rainfall or snowmelt in mountains, but it can also bubble up from groundwater or form at the edge of a lake or large pond. The other end of a river is called its mouth, where water empties into a larger body of water, such as a lake or ocean.
What is the start of a river called?
headwaters The place where a river begins is called its source. River sources are also called headwaters. Rivers often get their water from many tributaries, or smaller streams, that join together.