Topography
What is topography?
The arrangement of the natural and artificial physical features of an area. What does a topographic map tell you, that other maps can't? Topographic maps show elevation. Who might use a topographic map and why? Pilots can use topographic maps to see the location of mountains. Architects can use topography when they are designing a building in order to create a solid foundation. Elevation: The height above a given level. Contour lines: A line connecting points that have the same elevation. Contour Interval: A line that joins points of equal elevation above a given level. Depression contour: When the land is at a lower elevation than the land area outside this line. |