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Relief (or local relief) refers specifically to the quantitative measurement of vertical elevation change in a landscape. It is the difference between maximum and minimum elevations within a given area, usually of limited extent. [5] A relief can be described qualitatively, such as a "low relief" or "high relief" plain or upland. The relief of ...
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 ...
A particular point on the Earth's surface, or the area surrounding such a point, having or encompassing a definite position; a location, often specifically named, that is identifiable in social interaction because humans have endowed it with meaning or purpose; [13] a mental representation of a physical space created from functional or ...
Transverse – intersecting at any angle, i.e. not parallel. Orthogonal (or perpendicular) – at a right angle (at the point of intersection). Elevation – along a curve from a point on the horizon to the zenith, directly overhead. Depression – along a curve from a point on the horizon to the nadir, directly below.
There may be obstructions or large changes of elevation between the endpoints. In these situations, extra setups are needed. Turning is a term used when referring to moving the level to take an elevation shot from a different location. To "turn" the level, one must first take a reading and record the elevation of the point the rod is located on.
The zenith (UK: / ˈ z ɛ n ɪ θ /, US: / ˈ z iː n ɪ θ /) [1] [2] is the imaginary point on the celestial sphere directly "above" a particular location. "Above" means in the vertical direction opposite to the gravity direction at that location . The zenith is the "highest" point on the celestial sphere.
Elevation (ballistics), the angle between a weapon barrel and the horizontal plane Elevation (astronomy) , one component of the horizontal coordinate system Elevation (view) , used in architectural drawing to represent a building facade
In other words, every point on the marked line of 100 m elevation is 100 m above mean sea level. These maps usually show not only the contours, but also any significant streams or other bodies of water , forest cover, built-up areas or individual buildings (depending on scale), and other features and points of interest such as what direction ...