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Topography - Wikipedia, the free encyclopedia |
 | | Topography is a general term in geography, derived from the Greek "topos" (place) and "graphein" (to draw), and refers to the lie of the land, or various other characteristics of Physical geography in a region; this is usually expressed in terms of the elevation, slope, and orientation of terrain features. |
 | | In terms of environmental quality, agriculture, and hydrology, understanding the topography of an area enables the understanding of watershed boundaries, drainage characteristics, water movement, and impacts on water quality. |
 | | Topography is critical militarily because it determines the ability of armed forces to take and hold areas, and to move troops and material into and through areas. |
| en.wikipedia.org /wiki/Topography (476 words) |
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