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Video: What is a hollow: definition, types
2024 Author: Henry Conors | [email protected]. Last modified: 2024-02-12 02:46
All irregularities of land and oceans, which differ in age, origin, size and shape, are called relief. Its main forms are a ridge, a basin, a mountain, a saddle and a hollow.
Definition
What is a hollow? This is an elongated depression in the terrain. The lines that are located at its lowest points are called thalwegs (watercourses). The sides of the hollow form slopes ending in brows. Its bottom drops gradually.
This lowering of the earth's surface occurs mainly due to erosion, has an average depth of three to fifteen meters. The length can reach up to one and a half kilometers.
What is a hollow? This is a lowland, which is the result of the impact of melt and storm water flows on the soil. At the same time, suffusion is present - the process of carrying out the smallest particles of minerals by ground flows. Roughness is characteristic of the steppe and forest-steppe zones. If the hollow continues to blur, after some time it will turn into a beam.
What is a hollow? This is a kind of "trough", the bottom of which is flat, swampy, and the slopes are turfed, or covered with shrubs andtrees.
Varieties
Among the types of hollows, the following geographical objects stand out:
- The ravine. It is a narrow hollow characterized by exposed and steep sides.
- Gorge. Considered a ravine in a mountainous area.
- Valley. Serves as a wide elongated recess, the slopes of which are gentle.
- Beam. It is a large uneven surface of the earth, much larger than a ravine, the slopes of which are covered with a variety of vegetation.
On the terrain plan, a hollow is shown with the help of concave contour lines drawn in the direction of the relief decrease. Also, its varieties are holes, canyons, and so on.
Grammar
What is a hollow? This is a word that should be remembered in order to use it correctly, because it is a dictionary word. The letter "o" in the first syllable cannot be verified by any spelling rule.
The word "hollow" is a noun. This is an inanimate object belonging to the feminine gender, the first declension. You can pick up the following synonyms for it: hollow, log, gully, beam, ravine, yaruga, outcrop.
Thus, the meaning of the word "hollow" becomes extremely clear. This is an elongated depression on the surface of the earth, the bottom of which gradually decreases. It has three characteristic lines - two edges and a thalweg. This landform is found in the forest-steppe and steppe zones.
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