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- A trough can be a narrow basin or a geologic rift. There are various oceanic troughs, troughs found under oceans; examples include the rifts along the mid-ocean ridges.
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May 28, 2023 · The equatorward region of any meander is called a trough (pronounced like “troff”) and is associated with low pressure or low geopotential height. The poleward portion of a meander is called a ridge , and has high pressure or height.
Jun 22, 2024 · Troughs can be recognized by wavy lines that dip southward and have a “U-shape.”. On the other hand, ridges are characterized by lines that bend northward and have an “N-shape.”. By noticing these distinctive patterns, we can easily identify troughs and ridges on an upper air map.
In geology, a trough is a linear structural depression that extends laterally over a distance. Although it is less steep than a trench, a trough can be a narrow basin or a geologic rift. These features often form at the rim of tectonic plates.
The most convincing concerned radio-timing observations of a pulsar, PSR 1913+16, located in a binary star system with an orbital period of 7.75 hours. This object, discovered in 1974, has a pulse period of about 59 milliseconds that varies by about one part in 1,000 every 7.75 hours.
In geology, a trough refers to a linear depression that extends in one direction over a distance. It is less steep than a trench. A trough can be a narrow basin or a geologic rift. There are various oceanic troughs, troughs found under oceans; examples include the rifts along the mid-ocean ridges
Quick Reference. 1 An extension of low atmospheric pressure from the central regions of a low-pressure system into a zone where generally higher pressure prevails. The term ‘trough’ is also, and in accordance with this definition, applied to equatorward meanders of the flow of the upper westerly winds over middle latitudes. (The ...
Glacial trough/U-shaped valley. Pyramidal peak. As the name suggests, this is a three-sided, pointed mountain peak. Formed when three or more back-to-back glaciers carve away at the top of a mountain. This creates a sharply pointed mountain summit. Examples include Snowdon in Wales and Buachaille Etive Mòr, Glencoe, Scotland.
