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How does index contour lines differ from other contour lines?
Index contour lines are thicker and usually have their elevation labeled. They help users quickly identify key elevations on a topographic map. In contrast, regular contour lines show the shape and elevation of the land but do not have specific labels.
What is the difference between any two contour lines on a map?
Contour lines on a map represent points of equal elevation. The difference in elevation between any two contour lines is called the contour interval, which is usually indicated on the map legend. By knowing the contour interval, you can determine the steepness of the terrain in that specific area.
If contour lines that form a closed loop marked with dashes indicate a depression?
No, contour lines forming a closed loop marked with dashes typically indicate a hill or an elevation, not a depression. Depressions are usually represented by contour lines with hatch marks pointing towards the center of the depression.
How do you find the contour interval?
To find the contour interval on a topographic map, look for the difference in elevation between adjacent contour lines. The contour interval is usually given in the map's legend and represents the vertical distance between each contour line.
What is the definition of a contour interval?
The definition of a contour interval is the difference in elevation between two consecutive lines.
How does index contour lines differ from other contour lines?
Index contour lines are thicker and usually have their elevation labeled. They help users quickly identify key elevations on a topographic map. In contrast, regular contour lines show the shape and elevation of the land but do not have specific labels.
What are the curves and closed loops on a topo map called?
They're called contour lines. They link places of similar elevation.
What is a darker contour line usually every fifth line?
It makes it easier to count the number of contour lines.
What is a contour outline?
A contour outline is a drawing or design that represents the outer edge or shape of an object. It is typically a line drawing that highlights the contours and curves of the subject without including any detail or shading.
What is the difference between any two contour lines on a map?
Contour lines on a map represent points of equal elevation. The difference in elevation between any two contour lines is called the contour interval, which is usually indicated on the map legend. By knowing the contour interval, you can determine the steepness of the terrain in that specific area.
What figures intersect but are not perpendicular?
Any lines or curves that are mutually skew.Any lines or curves that are mutually skew.Any lines or curves that are mutually skew.Any lines or curves that are mutually skew.
What are the factors effecting contour intervals?
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.
What involves plowing along curves?
Contour farming.
On a topographic map contour lines that are close together indicate a?
A very steep regionClosely spaced contour lines indicate a very steep slope.Conversely, widely spaced lines indicate areas that are nearly flat.-Leftover.Tech
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.
How big is a contour line?
It depends how steep the mountain or hill is, usually the contour lines are bolded and is every fifth line. hope this helped
What is the definition of hachured contour lines?
Hachured contour lines are contour lines with ticks pointing downslope that indicate a depression on a topographic map.
