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the closer the lines are the steeper the ground because each line signifies a different height above sea level.
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∙ 13y ago
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What is hachures?
Hachures are marks that can be found on the contour lines that form a depression on a topographical map.
How are contour lines drawn on maps?
Contour lines connect points of equal height, and show grades of hills, the closer together the lines the steeper the grade. The map legend should tell you the difference in elevation between lines, this could be in feet or meters
What type of lines can be used on a map to show elevation?
contour lines
Why can't two contour lines overlap?
One contour can not cross another because a contour is one exact elevation; if it crossed another contour it would show that it is higher than the second contour on one side, but lower on the other side.
Two contour lines that are close together show a steep slope?
true
What contour lines show on a topographic map?
Contour lines show levels of elevation, where there are hills and valleys on a map
Is contour lines on a map?
Yes, they show the height and shape of the hills.
What do contour lines on a topographic map show?
They show the relief of an area. They will have height values attached to them. The distance between contour lines gives an impression of gradient. The closer they are together, the steeper the slope.
What is hachures?
Hachures are marks that can be found on the contour lines that form a depression on a topographical map.
What are the contour line rules?
- Contour lines never cross. All lines on a contour line represent one elevation.- The spacing of contour lines depends on slope characteristics. Contour lines that are close together show a steep slope. Contour lines that are far apart show a gentle slope.- Contour lines that cross a valley or a stream are V shaped. The C points toward the area of the highest elevation. If a stream or river flows through the valley, the V points upstream.-The tops of the hills, mountains, and depressions are shown by closed circles. Depressions are marked with short, straight lines inside the circle that point down slope to the depression.
How do contour lines help you visualize a feature earths solid surface?
A contour line represents a certain vertical height above the the contour line shown drawn below. Contour lines are a means of representing 3D hills and mountains on a 2D flat paper. Maps should show the height between contour lines: 50 metres between contour lines is common.
How do contour lines help you visualize a feature of Earth solid surface?
A contour line represents a certain vertical height above the the contour line shown drawn below. Contour lines are a means of representing 3D hills and mountains on a 2D flat paper. Maps should show the height between contour lines: 50 metres between contour lines is common.
How are contour lines drawn on maps?
Contour lines connect points of equal height, and show grades of hills, the closer together the lines the steeper the grade. The map legend should tell you the difference in elevation between lines, this could be in feet or meters
What is the definition of a contour line?
- Contour lines never cross. All lines on a contour line represent one elevation.- The spacing of contour lines depends on slope characteristics. Contour lines that are close together show a steep slope. Contour lines that are far apart show a gentle slope.- Contour lines that cross a valley or a stream are V shaped. The C points toward the area of the highest elevation. If a stream or river flows through the valley, the V points upstream.-The tops of the hills, mountains, and depressions are shown by closed circles. Depressions are marked with short, straight lines inside the circle that point down slope to the depression.
What do elevation maps use to show elevation?
Maps can show elevation with contour lines
How do contour lines show elevation?
The darker contour lines on map are called index contour lines. Numbers that indicate elevations are often written on these lines.
What is the purpose of contour on topographic map?
Contour lines show elevation.
