what do widely spaced contour lines indicate

Irregular contours signify rough, rugged country. Smooth lines imply gradual slopes and changes. Concentric closed contours that increase in elevation represent hills. A contour forming a closed loop around lower ground is called a depression contour.

What is the distance between two successive contour?

Answer: The difference in elevation between successive contour lines on a given map is fixed. This vertical distance between any two contour lines in a map is called the contour interval (C.I.) of the map.

How are contour lines used in our modern environment world?

Environmental Science: There are varied applications of contour lines in environmental science. Pollution density maps are useful to indicate areas of higher and lower contamination levels allowing the possibility of scaling pollution in the area.

How does the slope change as the lines get closer?

Fig.

The closer the contour lines, the steeper the slope. The wider the contour lines, the flatter the slopes.

What do you mean by Contour define different characteristics of contour lines?

Contours show distinct characteristic features of the terrain as follows: i) All points on a contour line are of the same elevation. ii) No two contour lines can meet or cross each other except in the rare case of an overhanging vertical cliff or wall. iii) Closely spaced contour lines indicate steep slope.

What do the contour lines represent Brainly?

A contour line joins points of equal elevation (height) above a given level, such as mean sea level.

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.

How do contour lines show different slopes of land?

The contour lines are shown by brown colour as thick brown lines and thin brown lines. … Steepness of its slope: When the contours are very close, they represent steep slopes. When they are farther apart, they represent gradually increasing slopes. Absence of contour lines indicate that the land is flat i.e., a low land.

Which shaped lines indicate the presence of a ridge?

Which shaped lines indicate the presence of a ridge? Explanation: The contour line with U-shape, which has convexity towards a lower ground shows the presence of a ridge.

When the contours are widely spaced they depict?

Closely spaced contours represent steep slopes while widely spaced contours represent gentle slope. When two or more contour lines merge with each other, they represent features of vertical slopes such as cliffs or waterfalls.

When contour lines are very close together on a map that represents land that is very gently sloped?

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

When contour lines are closely spaced at the bottom of the slope and spaced further apart on the upper part of the slope then we have?

This slope can be determined from the map by studying the contour lines—the closer the contour lines, the steeper the slope; the farther apart the contour lines, the gentler the slope. Totally flat ground has no contour lines. Four types of slopes that concern bushwalkers are gentle, steep, concave, and convex.

How do contour lines indicate streamflow on a topographic map?

All rivers flow downhill from higher to the lower elevations, perpendicular to the contour line above it. As a rule of thumb, the V-shaped contour is pointing upstream (the opposite direction from the flow of a stream or river). The “V” shape contours indicate streams and drainage.

What do the topographic lines look like around hills or mountains?

Cliffs or overhangs are exceptions.] – Half Dome is a large and steep-sided hill referred to as a mountain. ? What pattern do topo lines make around hills and mountains? [Hills are concentric circles or closed figures.]

What is the elevation of the highest contour line on the Hill?

What is V rule?


what do widely spaced contour lines indicate



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