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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. Terrain affects surface water flow and distribution.
Terrain or relief is an essential aspect of physical geography, ... They are especially effective at showing relatively low relief, such as rolling hills. It was a ...
Valley – Low area between hills, often with a river running through it; Vale – Low area between hills, often with a river running through it; Wadi – River valley, especially a dry riverbed that contains water only during times of heavy rain; Waterfall – A point in a river or stream where water flows over a vertical drop
Relief refers to the difference in elevation within a landscape; for example, flat terrain would have "low relief", while terrain with a large elevation difference between the highest and lowest points would be deemed "high relief". Most land has relatively low relief. [41]
In geomorphology and geology, a peneplain is a low-relief plain formed by protracted erosion. This is the definition in the broadest of terms, albeit with frequency the usage of peneplain is meant to imply the representation of a near-final (or penultimate) stage of fluvial erosion during times of extended tectonic stability. [1]
When relief is described underwater, the term bathymetry is used. In cartography, many different techniques are used to describe relief, including contour lines and triangulated irregular networks. Elementary landforms (segments, facets, relief units) are the smallest homogeneous divisions of the land surface, at the given scale/resolution.
The continental rise is a low-relief zone of accumulated sediments that lies between the continental slope and the abyssal plain. [1] It is a major part of the continental margin, covering around 10% of the ocean floor. [1] [2]
Also amphidrome and tidal node. A geographical location where there is little or no tide, i.e. where the tidal amplitude is zero or nearly zero because the height of sea level does not change appreciably over time (meaning there is no high tide or low tide), and around which a tidal crest circulates once per tidal period (approximately every 12 hours). Tidal amplitude increases, though not ...