How To Draw A Topographic Map Contour Lines

Contour lines are lines drawn on a map connecting points of equal elevation meaning if you physically followed a contour line elevation would remain constant. First you have to choose a contour interval. As you draw a contour line on a map you will notice that the elevations on one side of your line will be lower elevations and elevations on the other side of your line will be higher elevations.

barcelona on world map bali on a world map baton rouge la zip code map bacteria concept map answer key belleau wood france map bay harbor michigan map aug 21 eclipse map arizona state map city

How To Draw Contour Lines On A Map Youtube

Drawing Contour Maps Youtube

Constructing A Topographic Profile

How To Draw In The Topography In A Sitemap Google Search

How To Draw Contours Lines Youtube

How Do Contour Lines Show Hills And Depressions Socratic

The contour interval is 50 feet according to the map key.

How to draw a topographic map contour lines. To understand all map symbols see the us gov document. Because maps are two dimensional but represent three dimensions that is topgraphic maps are flat with lines that represent hills and valleys. Interestingly many geologists are quite visual and like to have visual representations of data. So this means that there will be a contour every 10 meters.

Working downslope from the highest elevation thread contours through ticks of equal value. Move to the next highest elevation when the surface seems ambiguous. Divide 300 feet by 3 to get one contour every 100 feet. Finally draw your contour lines.

Topographic profiles are used to understand what a topographic map is telling you in a specific area or you can think about it like it is giving you a side view of the landscape along a specific line on the map. You can find the contour interval in the map key usually located underneath the scale of the map at the bottom center. Please try again later. This feature is not available right now.

Tutorial on how to draw contour lines. Contours are to be placed every ten feet. For example we re going to use a contour interval of 10 meters. Between transition points of ten 30 40 50 etc add markers where to draw lines.

How to draw a topographic map. They re useful because they illustrate the shape of the land surface its topography on the map. Make sure students understand that contour maps though 2 dimensional use contour lines to show elevation above sea level. Professional geologists use exercises.

Figure 7 6 4 threading elevation contours through a tin. Contour lines show elevation and the shape of the terrain. Contour intervals tell you the change in elevation between any two contour lines.