Topographic Map

topographic Map A re setping is a representation of the Earth, or assort of it. The shape of the Earths smell up is shown by contour lines. Contours atomic number 18 imaginary lines that join points of able elevation on the aerofoil of the land above or below a part surface, much(prenominal) as symbolize sea level. It gives o streak the height of mountains, o depths of the nautical bottom, and o steepness of slopes. The map includes symbols that represent such gasconades as streets, buildings, streams, and ve chokeation. Reading Topographic Maps o Interpreting the colourationed lines, embody politics, and new(prenominal) symbols is the first step in using topographic maps. o Features ar shown as points, lines, or beas, depending on their size and extent. For example, about 1 houses whitethorn be shown as small black squ bes. o For larger buildings, the actual shapes atomic number 18 mapped. In dumbly built-up battlegrounds, nigh individual buildings argon omitted and an area tint is shown. On some maps, post offices, churches, city halls, and separate landmark buildings are shown at heart the tinted area. o The first romps commonly noticed on a topographic map are the area features, such as vegetation (green), water (blue), and obtusely built-up areas (gray or red).

o many an(prenominal) features are shown by lines that may be straight, curved, solid, dashed, dotted, or in any combination. The colors of the lines unremarkably indicate similar classes of entropy: topographic contours (brown); lakes, streams, irrigation ditches, and other hydrographical features (blue); land grids and important roads (red); and other roads and trails, railroads, boundaries, and other cultural features (black). At one time, olympian was use as a revision color to show all feature changes. Currently, purple is not used in our revision program, unless purple features are still present on many live maps. o Many features are identified by labels, such as Substation or golf game Course. o Topographic contours are shown in brown by lines of...If you want to get a full essay, order it on our website: Ordercustompaper.com

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