Every Fifth Contour Line On A Topographic Map. Topographic Maps Intergovernmental Committee on Surveying and Mapping Index contours are thicker and are usually every fifth contour line, if the contour interval is say 20 metres the index contour would be on every 100 metres above sea level A contour line is a line drawn on a topographic map to indicate ground elevation or depression
What are Contour Lines? How to Read a Topographical Map 101 from www.greenbelly.co
They are darker or wider compared to regular contour lines, making them easier to. Every point on a contour line is the exact same elevation
What are Contour Lines? How to Read a Topographical Map 101
On a topographic map the contour interval is usually stated somewhere in the map legend, or under the map scale bar Every fifth contour line on a topographic map is known as what kind of contour line: Index Every fifth contour line is bolded and labeled with numerical elevations
Topographic map geographical location lines Vector Image. Contour line labeling identifies what value associated with the contour line: Elevation. They are darker or wider compared to regular contour lines, making them easier to.
How to read contour lines on topographic maps. 🥷 Knowledge Ninja. A contour interval is the vertical distance or difference in elevation between contour lines Thus, in order to make the map easier to read and less cumbersome, every fifth (5th) contour line from the mean sea level is usually labelled with its elevation and sometimes bolded a little bit heavier than the rest.