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The various features shown on the map are represented by conventional signs or symbols. For example, colors can be used to indicate a classification of roads. These signs are usually explained in the margin of the map, or on a separately published characteristic sheet. [17] Topographic maps are also commonly called contour maps or topo maps.
Terrain cartography or relief mapping is the depiction of the shape of the surface of the Earth on a map, using one or more of several techniques that have been developed. Terrain or relief is an essential aspect of physical geography , and as such its portrayal presents a central problem in cartographic design , and more recently geographic ...
Terrain (from Latin: terra 'earth'), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography , terrain is the lay of the land. This is usually expressed in terms of the elevation , slope , and orientation of terrain features.
A physiographical map of the contiguous 48 states of the U.S. and indicating the age of the exposed surface and the type of terrain An aerial photo over northern Ohio; much of the central United States is covered by relatively flat, arable land. Within the continental U.S. there are eight distinct physiographic divisions.
Draw – Terrain feature formed by two parallel ridges or spurs with low ground in between; Escarpment, also known as scarp – Steep slope or cliff separating two relatively level regions; Flat (landform) – Relatively level surface of land within a region of greater relief
The eastern slopes of the Blue Ridge rise sharply from 1,500 to 4,500 feet (1,370 m) above the terrain to the east; to observers they often appear as a vast, lofty wall running across the state's western horizon.
The topography of an area may refer to the land forms and features themselves, or a description or depiction in maps. Topography is a field of geoscience and planetary science and is concerned with local detail in general, including not only relief , but also natural , artificial, and cultural features such as roads, land boundaries, and ...
A raised-relief map, terrain model or embossed map is a three-dimensional representation, usually of terrain, materialized as a physical artifact. When representing terrain, the vertical dimension is usually exaggerated by a factor between five and ten; this facilitates the visual recognition of terrain features.