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  1. Many of the most appropriate types of data presentation techniques used to visualise raw geographical data are shown on this page. We provide the tools to create and save the images shown and these are quick and easy to use, free with no account or log-in required.

    • Pie Charts

      Create a Pie Chart with Sorted or Unsorted Sectors. Make a...

    • Radar Charts

      Radar charts are common in physical geography fieldwork and...

    • Donut Chart Creator

      Create a Donut (or Doughnut) Chart online. Enter your raw or...

  2. 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.

  3. Sep 29, 2024 · 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 ...

  4. Jun 22, 2024 · A trough is often associated with cloudy conditions, precipitation, and sometimes even a cold air mass. On the other hand, a ridge indicates relatively higher heights and is typically characterized by sinking air. This sinking air within a ridge tends to bring warmer and drier weather.

  5. 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.

  6. Nov 21, 2023 · A ridge indicates a shift in the wind, or clouds and rain approaching and a trough shows dry and mild conditions in the area. The precursors to a cyclone or anticyclone are trough and ridge.

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  8. 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.

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