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Contour lines were first used in the Schiehallion Experiment. This was an experiment designed to find the mass of a mountain, and by calculation, the mass of the Earth!!
Contour lines were invented by Charles Hutton, in 1774, as a method of determining (in that case) the volume of the mountain.
They are now commonly shown on topographic maps as a method of indicating the shape of the land and the depths of lakes and the sea. The intervals vary according to the need of the map, but common 1:50 000 maps have then indicated every 20 m, with the 100m lines shown slightly bolder.
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What are A series of light brown lines drawn at intervals of 50 feet to designate their respective heights above sea level called?
Contour lines are a series of light brown lines drawn at intervals of 50 feet to designate their respective heights above sea level. They help to show the elevation and shape of the land on a topographic map.
What is the elevation difference between one contour line and the next?
The elevation difference between one contour line and the next is the contour interval. It represents the vertical distance between two adjacent contour lines on a map.
Why are contour interval on a topographic map of a mountainous area usually large?
Contour intervals on a topographic map of mountainous areas are usually large because the terrain is more rugged and the elevation changes are more pronounced. A larger contour interval helps to simplify the representation of complex topography and make the map easier to read and interpret.
What are the spaces between the topographic lines called?
The spaces between the topographic lines are called contour intervals. They represent the difference in elevation between each line on a topographic map.
How are contour lines drawn on maps?
Contour lines are drawn on maps by connecting points of equal elevation. These lines help show the shape of the land and the steepness of slopes. Contour intervals, which are the difference in elevation between adjacent contour lines, are used to represent changes in elevation.
How do you use contour intervals?
Contour intervals are used to represent changes in elevation on a topographic map. The interval is the difference in elevation between adjacent contour lines. By looking at the contour lines, you can visualize the shape of the land, such as steep slopes, valleys, or hills.
Explain contour lines and contour intervals and what they tell you about a topographic map?
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Exact height of a location on a topographic map is called?
Contour intervals
Contour intervals are most likely to be smallest on maps of?
Relatively flat terrain.
Is a contour interval for a given topographic map always the same?
No, the contour interval can vary between different topographic maps based on the scale and detail of the map. Smaller scale maps may have larger contour intervals, while larger scale maps may have smaller contour intervals to show more detailed elevation changes.
What is the elevation between two side-by-side contour lines called?
The elevation difference between two side-by-side contour lines is known as the contour interval. It represents the vertical distance in elevation between each contour line on a topographic map.
What are contour intervals and contour lines?
Acontour line (also level set, isopleth, isoline, isogram or isarithm) of a function of two variables is a curve along which the function has a constant value.[1] 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.[2] A contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness of slopes.[3] The contour interval of a contour map is the difference in elevation between successive contour lines.[4] A contour interval is basically the same thing.
What is the elevation change between two adjacent lines on the map?
Those lines representing elevation on a map are called contour lines. The difference in elevation between two of these lines is called the contour interval. Different maps use different contour intervals based on the scale of the map, or in other words, the size of the contour interval is based on how zoomed in and detailed the map is. Sometimes a map will have darker and thicker contour intervals. This is called the Index Contour Interval. Index contour intervals appear less frequently and represent a larger elevation change. It helps you figure out the amount of a large elevation difference faster because usually they are multiples of 100 or 1000, making them easier to add up.
What is the elevation change between two adjacent lines on a map?
Those lines representing elevation on a map are called contour lines. The difference in elevation between two of these lines is called the contour interval. Different maps use different contour intervals based on the scale of the map, or in other words, the size of the contour interval is based on how zoomed in and detailed the map is. Sometimes a map will have darker and thicker contour intervals. This is called the Index Contour Interval. Index contour intervals appear less frequently and represent a larger elevation change. It helps you figure out the amount of a large elevation difference faster because usually they are multiples of 100 or 1000, making them easier to add up.
What information does a map's contour interval provide?
Most likely you says about contour interval. It's the difference in height between two sequential contour lines. For example, if the contour interval is 50 meters and some contour line corresponds 2000m above sea level, the next contour uphill was at 2050m then 2100m etc. Different maps use different intervals. It depends on map scale and terrain type (for mountain areas intervals are higher than for plains). The contour interval is shown on the map collar (typically near the scale).
What are A series of light brown lines drawn at intervals of 50 feet to designate their respective heights above sea level called?
Contour lines are a series of light brown lines drawn at intervals of 50 feet to designate their respective heights above sea level. They help to show the elevation and shape of the land on a topographic map.
19 What is a contour line?
A contour line is a line linking points of equal height on a map. They are drawn at regular intervals, often every 20m or 25m of elevation. They can be used to show the shape (contours) of the land. Closer contour lines mean a steeper slope, while wider spaces show a gentler slope.
