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     • 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.
     simple.wikipedia.org/wiki/Trough_(geology)

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   What is a trough in geology?

   • 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. There are various oceanic troughs on the ocean floors.

   Trough (geology) - Wikipedia

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   What is a glacial trough?

   • These are valleys formed by the glacial processes of weathering, erosion and transportation. They have steep sides and flat floors. Unlike V-shaped river valleys, glacial troughs are straight as they have truncated any interlocking spurs which existed prior to glacial advance. © 2002-2024 Tutor2u Limited. Company Reg no: 04489574.

   Glacial troughs | Topics | Geography - tutor2u

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   What does a trough look like?

   • Troughs are marked with a black dashed line, and ridges with a white zig-zag line. However, this flow is unstable, allowing small disturbances (e.g., flow over mountain ranges) to grow into large north-south meanders (Fig. 11.49b) of the jet stream. These meanders are called Rossby waves or planetary waves. Typical wavelengths are 3 - 4 Mm.

   3.4.7: Extratropical Ridges and Troughs (Rossby Waves)

   geo.libretexts.org/Bookshelves/Geography_(Physical)/BioGeoChemistry_(LibreTexts)/03:_The_Atmosphere/3.04:_General_Circulation/3.4.07:_Extratropical_Ridges_and_Troughs_(Rossby_Waves)

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   How do meteorologists find troughs?

   • The largest vorticities are concentrated near the wave crest and trough, allowing meteorologists to use positive vorticity to help find troughs. Figure 11.a. Jet-stream path (blue) and associated vorticity (thick red).

   3.4.7: Extratropical Ridges and Troughs (Rossby Waves)

   geo.libretexts.org/Bookshelves/Geography_(Physical)/BioGeoChemistry_(LibreTexts)/03:_The_Atmosphere/3.04:_General_Circulation/3.4.07:_Extratropical_Ridges_and_Troughs_(Rossby_Waves)

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   What is trough cross-bedding?

   • Trough cross-bedding in the Waddens Cove Formation (Pennsylvanian), Sydney Basin, Nova Scotia. 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.

   Trough (geology) | Simple English Wikipedia, the free encyclopedia

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   How many waves are in a trough?

   • Typical wavelengths are 3 - 4 Mm. Given the circumference of a parallel at those latitudes, one typically finds 3 to 13 waves around the globe, with a normal zonal wavenumber of 7 to 8 waves. The equatorward region of any meander is called a trough (pronounced like “troff”) and is associated with low pressure or low geopotential height.

   3.4.7: Extratropical Ridges and Troughs (Rossby Waves)

   geo.libretexts.org/Bookshelves/Geography_(Physical)/BioGeoChemistry_(LibreTexts)/03:_The_Atmosphere/3.04:_General_Circulation/3.4.07:_Extratropical_Ridges_and_Troughs_(Rossby_Waves)

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3. en.wikipedia.org › wiki › Trough_(geology)Trough (geology) - Wikipedia

   en.wikipedia.org › wiki › Trough_(geology)

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   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.

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5. geo.libretexts.org › Bookshelves › Geography3.4.7: Extratropical Ridges and Troughs (Rossby Waves)

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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.

6. Videos

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     Identifying Troughs and Ridges

     12 Feb 2014

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     Glacial trough: describe and explain

     14 Feb 2017

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     4:47

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     🔵 Trough - Trough Meaning - Trough Examples - Trough Definition - GRE 3500 Vocabulary

     1 Sep 2020

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7. www.savemyexams.com › gcse › geographyGlacial Landforms: Troughs & Corries GCSE Geography Revision

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   Aug 9, 2024 · Learn about the formation of glacial landforms from corries to troughs, along with examiner tips and worked examples for the AQA GCSE Geography exam.

8. www.britannica.com › science › oceanic-troughOceanic trough | Abyssal plain, Abyssal hills, Abyssal fan ...

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   oceanic trough, an elongate depression in the seafloor that is characteristically shallower, shorter, narrower, and topographically gentler than oceanic trenches. Maximal depths of oceanic troughs range between 2,300 m (7,500 feet) in the Papuan Trough and 7,440 m in the Banda Trough.

   • Author: The Editors of Encyclopaedia Britannica

9. simple.wikipedia.org › wiki › Trough_(geology)Trough (geology) - Simple English Wikipedia, the free ...

   simple.wikipedia.org › wiki › Trough_(geology)

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   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

10. www.tutor2u.net › geography › topicsGlacial troughs | Topics | Geography - tutor2u

    www.tutor2u.net › geography › topics

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    These are valleys formed by the glacial processes of weathering, erosion and transportation. They have steep sides and flat floors. Unlike V-shaped river valleys, glacial troughs are straight as they have truncated any interlocking spurs which existed prior to glacial advance.

11. www.geograph.org.uk › tagged › subject:trough320 images tagged with 'trough' :: Geograph Britain and Ireland

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    Showing latest 50 of 320 images tagged with subject: Trough tag. View all tagged images - In Browser. Search within these images: Richmond Park by Malc McDonald. geograph for square TQ1971. A drinking trough for animals near an entrance to Richmond Park. Tags: Animal Drinking Trough X Drinking Trough X type: Geograph X near: Kingston X top ...