On A Topographic Map, What Do Contour Lines That Are Very Close Together Indicate?

On A Topographic Map What Do Contour Lines That Are Very Close Together Indicate??

Contour lines that are relatively close together indicate a slope that is fairly steep. Contour lines that are further apart indicates a slope that is relatively flat.

What does it mean if the contour lines are close?

steep slope

Widely separated contour lines indicate a gentle slope. Contour lines that are very close together indicate a steep slope.

When contour lines are drawn closer together on a topographic map it shows?

Contour lines are used in a map to portray differences in elevation. When contour lines are closer together on a map they indicate a steep slope. Think of contour lines as the distance between each incline. The closer together the inclines the steeper the hill.

What do very close elevation contours signify on a topographic map?

Con- tours that are very close together represent steep slopes. Widely spaced contours or an absence of contours means that the ground slope is relatively level. The elevation difference between adjacent contour lines called the contour interval is selected to best show the general shape of the terrain.

When contour lines are or get very close together on a topographic map what is happening to the land or slope of the land?

If contour lines are close together it is a very steep slope if they are far apart it is a gradual slope.

What do contour lines represent on a topographic map?

Elevation contours are imaginary lines connecting points having the same elevation on the surface of the land above or below a reference surface which is usually mean sea level. Contours make it possible to show the height and shape of mountains the depths of the ocean bottom and the steepness of slopes.

When contour lines are close together?

Contour lines that are relatively close together indicate a slope that is fairly steep. Contour lines that are further apart indicates a slope that is relatively flat.

How are contour lines drawn on maps?

Contour lines are lines drawn on a map with equal elevation points so elevation would be constant if you followed the contour line physically. The elevation and terrain shape of the contour lines shows. It is useful because they show the form of the land surface on the map–its topography.

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How do you read contour lines on a topographic map?

Why contour lines are spaced close together on a steep slope?

Each contour line represents a specific elevation and connects all the points that have that elevation. … The map legend gives the contour interval. Closely-spaced contour lines indicate a steep slope. They show that the elevation changes quickly over a short horizontal distance.

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How far apart are contour lines on a map?

A contour is a line drawn on a map that joins points of equal height above sea level. For 1:25 000 scale maps the interval between contours is usually 5 metres although in mountainous regions it may be 10 metres.

What do contour lines show?

contour line a line on a map representing an imaginary line on the land surface all points of which are at the same elevation above a datum plane usually mean sea level. … Numbers on the lines give the height in feet. (Sea level is zero.) Lines drawn closely together indicate that a slope is steep.

Why is the contour interval included on a topographic map?

Why is the contour interval included on a topographic map? It tells you the change in elevation from line to line. The mercator projection map shows Earth’s features on a grid.

When the contour lines are closely spaced the slope will be?

Closely spaced contour lines indicate a steep slope (Figure F-1). 2. Widely spaced contour lines indicate a gentle slope (Figure F-2).

What is contour on a map?

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.

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When the contours are drawn close to each other they are known as?

2 :- the general form or shape of something : function —often used in plural the contours of a melody. Complete answer: These are drawn close to each other and represent steep slopes. Carefully spaced contours constitute steep slopes at the same time as extensively spaced contours represent gentle slopes.

How do you read elevation contour lines?

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.

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How must contour lines bend on a topographic map to indicate a stream valley?

A contour line that bends to form a V shape indicates a valley. The bend in the V points toward the higher end of the valley this V points upstream or in the direction from which the water flows if there is a stream.

How do you find the contour interval on a topographic map?

Contour intervals tell you the change in elevation between any two contour lines. You can find the contour interval in the map key usually located underneath the scale of the map at the bottom center.

What does topographical map represent?

A topographic map is a map that represents the locations of geographical features. Furthermore these geographical features can be mountains valleys plain surfaces water bodies and many more. Topographic maps refer to maps at large and medium scales that incorporate a massive variety of information.

How contours are drawn during topographical survey?

In this method the contours to be located are directly traced out in the ground by locating and making a number of points on each contour. These points are then surveyed and plotted on plan and the contours drawn through them.

What does contour mean in drawing?

outline drawing

contour drawing version of outline drawing in which the artist looking closely at the contour of an object transfers it in one continuous line to paper without looking down to see what he is doing except when he needs to place an internal feature such as an eye.

How do you mark a contour line?

Do closely spaced contour lines indicate a steep slope or a gradual slope?

Contour intervals reveal how much vertical distance there is between each contour line—closely spaced contour lines indicate very steep slopes. … Rounded contour lines typically indicate a downhill direction (gradual slope).

What happens to contour lines when there is a vertical cliff or wall?

Contour lines can merge to form a single contour line only where there is a vertical cliff for wall. Evenly spaced contour lines of different elevations represent a uniform space. The closer the contour lines are to each other the steeper the slope. In other words the steeper the slope the closer then contour lines.

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What is steep slope?

Steep slopes are legally defined as hillsides having a 15 foot or greater vertical rise over 100 feet of horizontal run or 15% slope (Figure 1). They are often undesirable ar- eas for development due to the difficulty of building on steep grades.

What are the 3 types of contour lines on a map?

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

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.

What are contour lines ks2?

These are lines that show high and low areas of land. The contour lines join up areas of the same height and when they are close together it means the hill or mountain is steep. When they are far apart it means the land is gently sloping or undulating.

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Why do the contour lines represent?

Contour lines are lines on a map which join places of equal elevation or height above or below sea level. … Contour maps and contour lines help us visualise the topography of land with regards to elevation or height.

Why do contour lines never cross on a topographic map?

Contour lines never cross.

They may come very close to each other (e.g. along a cliff) but by definition they may never cross each other. * This is because one location on the surface of Earth cannot be at two different elevations!

What is the contour interval on the following map?

How do contour lines indicate a steep slope?

Closely-spaced contour lines indicate a steep slope because the elevation changes quickly in a small area. Contour lines that seem to touch indicate a very steep rise like a cliff or canyon wall.

What do the closely spaced contours and widely spaced contours represent?

Widely spaced contour indicates flat surface. … Closely spaced contour indicates steep slope ground.

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