What are the topographical features of South America? Why is the population density in South America so sparse?

South America is high in the west and low in the east, and can be divided into three major terrain regions. South America has the world's largest tropical rainforest, and the climate here is hot and humid. What other terrain features does South America have? What oceans does South America border to the east and west? And why is the population density in South America sparse? Today we will learn more about South America!

Contents of this article

1. What are the topographical features of South America?

2. Why is the population density in South America so sparse?

3. Which ocean is to the east and west of South America?

What are the topographical features of South America?

Basic characteristics of South America's terrain: South America is high in the west and low in the east, and can also be divided into three major topographic regions: the west is a tall mountain system, and the east is a vast alluvial plain and undulating plateaus that alternate with each other.

The high mountain range in the west is the extension of the Cordillera mountain range in South America, called the Andes. It is the longest mountain range in the world, with a total length of more than 9,000 kilometers. It is part of the Pacific Ring of Fire and Seismic Belt. There are three major plateaus in the east: the Guiana Plateau, the Brazilian Plateau, and the Patagonia Plateau. The Brazilian Plateau is the largest plateau in the world, with an area of ​​about 5 million square kilometers. These plateaus have been eroded for a long time and have gentle ups and downs. There are three major plains in the east: the Orinoco Plain, the Amazon Plain, and the La Plata Plain from north to south. The Amazon Plain is the largest alluvial plain in the world, with an area of ​​about 5.6 million square kilometers. It is low-lying and is the largest tropical rainforest area in the world.

Why is South America's population density so sparse?

reason:

1. South America has the world's largest tropical rainforest, where the climate is hot and humid.

2. On the western side of South America, there are long and narrow tropical deserts with an arid climate.

3. South America has the long and narrow Andes Mountains, with a high altitude and a cold climate.

4. There is the Pampas grassland in Argentina in South America, where there is less rainfall.

In summary, most areas of South America are not suitable for human survival, so the population density is sparse.

What ocean is to the east of South America? What ocean is to the west of South America?

South America is bordered by the Pacific Ocean to the west and the Atlantic Ocean to the east. South America is the abbreviation of South America, located in the Western Hemisphere and the Southern Hemisphere. It is bordered by the Atlantic Ocean to the east, the Pacific Ocean to the west, and the Caribbean Sea to the north. The Panama Canal is the boundary between North America and the north, and the Drake Passage is across from Antarctica to the south.

The terrain of South America can be divided into two longitudinal belts: the west is the narrow Andes Mountains. Plains below 300 meters above sea level account for about 60% of the continent's area, plateaus, hills and mountains between 300 and 3,000 meters above sea level account for about 33% of the continent's area, and plateaus and mountains above 3,000 meters above sea level account for about 7% of the continent's area. The average altitude of the continent is 600 meters.

Most of South America has tropical rainforest climate and tropical savanna climate. The climate is warm and humid, mainly tropical, and not very continental. Except for the mountains, the average temperature in the coldest month in winter is above 0℃. The average temperature in the tropical areas that make up the majority of the continent is over 20℃. Winter is much warmer than in North America. In the west of South America, there is a tropical desert climate and a Mediterranean climate, and in the Andes Mountains, there is an alpine climate. In the southeast of South America, there is a subtropical monsoon and humid monsoon climate.