Index contours
The contour interval for a topographic map of a volcano typically ranges from 10 to 100 meters, depending on the size and slope of the volcano. This interval is used to represent changes in elevation and help visualize the terrain features of the volcano accurately.
If the contour interval is not given, find two reference (labeled) contour lines and find the number of lines between them, excluding the reference lines themselves. Then the interval can be found using the following formula: |(Difference between elevation of reference lines)| /(Number of contour lines between reference lines +1) = Contour interval For example, if you find two reference lines labeled 150m and 250m and there is one contour line between them, then |150m-250m|/(1+1)=100m/2=50m The contour interval of that map is 50 meters.
To show a change in elevation of 1000 feet on a map with a contour interval of 200 feet, you would need 5 contour lines. This is calculated by dividing the total change in elevation (1000 feet) by the contour interval (200 feet), resulting in 1000 ÷ 200 = 5. Each contour line represents an elevation increase of 200 feet, so five lines would represent the full 1000 feet change.
To show a change in elevation of 1000 feet on a map with a contour interval of 200 feet, you would need a total of 5 contour lines. This is because the number of contour lines can be calculated by dividing the total elevation change (1000 feet) by the contour interval (200 feet), resulting in 1000 / 200 = 5. Each contour line represents a 200-foot elevation change.
The contour interval would be 200 feet. This is calculated by dividing the total change in elevation by the number of contour lines.
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Contour belt
The contour interval for a topographic map of a volcano typically ranges from 10 to 100 meters, depending on the size and slope of the volcano. This interval is used to represent changes in elevation and help visualize the terrain features of the volcano accurately.
It makes it easier to count the number of contour lines.
If the contour interval is not given, find two reference (labeled) contour lines and find the number of lines between them, excluding the reference lines themselves. Then the interval can be found using the following formula: |(Difference between elevation of reference lines)| /(Number of contour lines between reference lines +1) = Contour interval For example, if you find two reference lines labeled 150m and 250m and there is one contour line between them, then |150m-250m|/(1+1)=100m/2=50m The contour interval of that map is 50 meters.
To show a change in elevation of 1000 feet on a map with a contour interval of 200 feet, you would need 5 contour lines. This is calculated by dividing the total change in elevation (1000 feet) by the contour interval (200 feet), resulting in 1000 ÷ 200 = 5. Each contour line represents an elevation increase of 200 feet, so five lines would represent the full 1000 feet change.
it can represent any number it can represent any number it can represent any number it can represent any number it can represent any number
1---2---3---4 front of Contour
A thicker line that has numbers written on it showing the rising or decreasing elevation on a topographic map By Ash Every fifth contour line on a topographic map, usually thicker, used to label elevation.
You would just add 10 every contour line you pass until you get to the number 80.
The contour interval would be 200 feet. This is calculated by dividing the total change in elevation by the number of contour lines.