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Plains, plateaus, mountains, hills, basins.
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The types of terrain are as follows:
1. Plains. Plain terrain refers to flat and open areas below 200 meters above sea level, generally distributed along rivers and coastal areas. The largest plain in the world is the Amazon plain. China's three major plains are the Northeast Plain, the North China Plain, and the Middle and Lower Yangtze River Plain.
2. Hills. Hilly terrain refers to an area with an absolute height of less than 500 meters, a relative height of no more than 200 meters, and a certain undulating slope. The largest hill in the world is the Kazakh Hills. The main hills in China are Shandong hills, Liaodong hills, and southeast hills (including Jiangnan hills, Liangguang hills, and Zhejiang-Fujian hills).
3. Mountains. Mountain terrain refers to the highland above 500 meters above sea level, with great undulations, steep slopes, deep valleys, and generally vein-like distribution. Mountains vary in size and can be divided into high, medium, and low mountains according to their height. Those above 3,500 meters above sea level are called high mountains, those with an altitude of 1,000-3,500 meters are called middle mountains, and those with an altitude of less than 1,000 meters are called low mountains.
The highest mountain range in the world is the Himalayas, and the largest mountain system is the Cordillera mountain system.
4. Plateau. Plateau terrain usually refers to a relatively complete large-scale uplift area with an altitude of more than 1,000 meters above sea level, a vast area, an open terrain, and a relatively complete area of uplift bounded by obvious steep slopes. Of course, in reality, some plateaus are less than 1,000 meters above sea level, such as the Deccan plateau, which has an average altitude of 500-600 meters. The highest plateau in the world is the Tibetan Plateau.
5. Basin. The main characteristics of the basin topography are high around and low in the middle, so it is named because of the basin shape, and there are no specific elevation requirements. The largest basin in the world is the Congo Basin. China's four major basins are the Tarim Basin, the Junggar Basin, the Qaidam Basin, and the Sichuan Basin.
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Five basic terrains.
They are plains, hills, mountains, plateaus, basins.
The area on land with low elevation and less undulating ground is called a plain. Refers to a vast and flat land of land. Its main characteristics are that the terrain is low and flat, gently undulating, the relative height is generally not more than 55 meters, and the slope is below 5°.
The common feature of the plain and the plateau is that the ground is undulating, but the difference is that the plain has a low altitude, generally below 200 meters, while the plateau has a higher altitude and a steep edge; The difference with hills is that there are less undulations. Plains are the flattest areas on land. The plains are wide and flat, with little undulations.
Hills are generally above 250 meters above sea level, below 550 meters, and the relative height is generally not more than 210 meters.
Mountainous land, the surface morphology is determined by elevation and undulation. A characteristic is defined as an altitude of more than 500 meters above sea level and a relative altitude difference of more than 200 meters.
The altitude is generally more than 1000 meters, the area is vast, the terrain is open, the surrounding area is bounded by obvious steep slopes, and the relatively complete large-scale uplift area is called the plateau. The main difference between the plateau and the plain is the higher altitude, which distinguishes it from the mountains with a complete large area of uplift. The plateau is known as the "stage of the earth", which is formed in the long-term continuous large-scale crustal uplift.
It is distinguished from the plains by its greater height, and from the mountains by its larger gentle ground and smaller undulations. Some plateaus have a broad and flat surface, and the terrain is not very undulating; Some of the high principles are undulating and the terrain changes greatly.
A basin, as the name suggests, is like a large basin placed on the ground, so people call the basin-like terrain with high (mountains or plateaus) around it and low (plains or hills) in the middle as a basin.
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Five basic terrain types.
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The types of terrain are plateaus, plains, basins, hills, mountains, and there are different levels except plateaus. The topography is not exactly the same as the topography and landform, the topography is mostly biased towards the local structure, and the landform is about the direction, and the topography must refer to the overall characteristics.
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The various forms of the land surface are collectively referred to as topography. The classification of the morphology of the terrain is the terrain type.
There are five main types of terrain: mountains, plateaus, plains, hills, and basins.
In addition, there are rivers, deltas, waterfalls, lakes, deserts, etc., which are formed by external forces, which also belong to the terrain type.
In addition to terrestrial topography, there are also marine (seabed) topography, such as islands, continental shelves, continental slopes, ocean floors, ridges, ocean basins, trenches, etc.
Topography is the result of a combination of internal forces (such as plate extrusion and collision) and external forces (such as various weather conditions, etc.), which are constantly changing.
Main terrain types.
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