what is contour line in geography

What Is Contour Line In Geography?

A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.

How do you describe a contour line?

Contour lines are lines drawn on a map connecting points of equal elevation, meaning if you physically followed a contour line, elevation would remain constant. Contour lines show elevation and the shape of the terrain. … The line you see will look like a contour line on a topographic map.

What are contour lines short answer?

In cartography, a contour line (often just called a “contour”) joins points of equal elevation (height) above a given level, such as mean sea level. A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

What are the 3 types of contour lines?

Contour lines are of three different kinds. They are the Index lines, Intermediate lines and the Supplementary lines.

What is the best definition of a contour line?

Definition of contour line

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: a line (as on a map) connecting the points on a land surface that have the same elevation.

What is the use of contour line?

The purpose of contour lines is to represent the tridimensional shape of the terrestrial surface on a bidimensional map. Contour lines are the intersection of an horizontal plane parallel to the reference level and the topographical surface to describe.

What is contour line Brainly?

Contour lines are an imaginary lines drawn on a map by joining all the same height points (above the mean sea level) on the earth. It is a plane section representing 3D graph. … A contour line joins points of equal elevation (height) above a given level, such as mean sea level.

What are Contour lines also called?

a line joining points of equal elevation on a surface. … Also called contour, level curve, level line.

What are Contour lines Class 9?

Complete answer: Contour lines are the lines for joining points of equal height above or below the sea level. Contour interval is the vertical distance between the two contour lines and these lines are next to each other.

What is a contour diagram?

A contour diagram is simply a graph on the xy-plane that shows curves of equal height for a two-variable function z = f(x, y).

What is contour on a map?

Put simply, contour lines mark points of equal elevation on a map. If you trace the length of a line with your finger, each point you touch is the same height above sea level. If you were to walk the path of a contour line in real life, you would remain at the same elevation the whole hike, never traveling up or down.

How do you find the contour line?

What is a contour line in art definition?

A contour line defines the outline of a form, as well as interior structure, without the use of shading. A fundamental basis of drawing, contour lines are usually the first technique children adopt to draw people, houses, and trees.

What is an example of contour?

: the outline or outer edge of something He loved the sleek/smooth/flowing contours of the car. The map showed the contour of the coastline.

What is a contour line on a map kids?

Contour lines are lines drawn on a map that show a change in elevation, and they show how steep or flat an area is. … More lines mean more change in elevation.

What are contour lines Class 7?

Answer: (i) Contour lines are isolines of height. (ii) These are drawn by joining the places of equal altitude. (iii) These help in identification of land forms and their altitude from sea level. (iv) These lines also help us to understand the nature and direction of the slope.

What is the shape of contour lines?

At a stream junction, contour lines form a “M” or “W” shape. This can be interpreted as two “V-shaped contours intersecting.

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What is a map answer?

A map is a visual representation of an entire area or a part of an area, typically represented on a flat surface. … Maps attempt to represent various things, like political boundaries, physical features, roads, topography, population, climates, natural resources and economic activities.

What is contouring Class 8?

Class – 8 Subject – Geography Chapter – REPRESENTATION OF GEOGRAPHICAL FEATURES Synopsis: Contour – Brown continuous curved lines joining the places having the same height or elevation above the mean sea level. It shows elevation, steepness and shape of the land. … It is shown with closely spaced contours.

What is contour shading?

Contour drawing is an artistic technique used in the field of art in which the artist sketches the style of a subject by drawing lines that result in a drawing that is essentially an outline (the French word contour meaning “outline”).

Why use a contour plot?

Contour lines commonly show altitude (like height of a geographical features), but they can also be used to show density, brightness, or electric potential. A contour plot is appropriate if you want to see how some value Z changes as a function of two inputs, X and Y: z = f(x, y).

How do you draw a contour map?

How do contour lines determine elevation?

You can figure out the elevation of any point by finding the nearest labeled line, counting the number of lines above or below it, multiplying by the contour interval, and adding or subtracting the result from the nearest marked contour line. The more closely spaced the contour lines, the steeper the slope.

What are the methods of contouring?

There are basically 2 methods of contouring – Direct Method and Indirect Method.

Direct Method of Contouring : High degree of precision is required for large-scale maps with small contour interval. …
Indirect Method of Contouring : It is suitable for undulated ground and hilly areas.

What are the characteristics of Contour?

Characteristics of Contours

Must close on themselves, on or off the map.
Perpendicular to the direction of max. …
Slope between them is assumed uniform.
The distance between them indicates the steepness of the slope, gentle or steep.
Irregular signify rough, smooth signify gradual slopes.

What is the difference between an outline and contour line?

an outline is the line made by the edges of an object. Contour lines describe the shape of an object, and include interior detail.

What is topography in geography?

Topography is a detailed map of the surface features of land. It includes the mountains, hills, creeks, and other bumps and lumps on a particular hunk of earth. … Topography represents a particular area in detail, including everything natural and man-made — hills, valleys, roads, or lakes.

What are contour lines ks3?

These are lines drawn on maps that join places of the same height. … Some contour lines have their height above or below sea level written on them. It is possible to use them to see the shape of the land – if contour lines are close together the slope is steep, if they are far apart the slope is gentle.

How do you explain topography?

Topography describes the physical features of an area of land. These features typically include natural formations such as mountains, rivers, lakes, and valleys. Manmade features such as roads, dams, and cities may also be included. Topography often records the various elevations of an area using a topographical map.

What is contour in social?

The definition of contour is the outline of something, such as of a social or geographic boundary. Behaviors that are within the bounds of what is socially acceptable are examples of behaviors that fit within the contours of society.

What is the Colour of contour lines?

A)Most contour lines on a map, which are relief features and elevations, are coloured brown. Contour lines, which are commonly curved, parallel brown lines, connect locations of equal elevation to indicate the form and elevation of the ground.

What is globe in geography?

globe, sphere or ball that bears a map of the Earth on its surface and is mounted on an axle that permits rotation. … Terrestrial globes may be physical, showing natural features such as deserts and mountain ranges (sometimes molded in relief), or political, showing countries, cities, etc.

What is map full form?

MAP – Mean Arterial Pressure.

What is globe and map?

A globe is a three-dimensional sphere while a map is two-dimensional. The globe represents the whole earth, whereas a map may represent the whole earth or just a part of it. … A globe, being spherical in shape, spins around an axis. However, maps, are a representation on a piece of paper, does not spin.