Desert climate

The desert climate is extremely dry, lying on latitudes, so the temperature in the regions varies greatly. Based on latitude, people are divided into low latitude desert and medium latitude desert.

The low latitude desert is also known as the hot desert, distributed in tropical high pressure areas, near the regression line of North and South such as the North African Sahara desert, the Arabian desert of Southeast Asia, desert in Central Australia.

The latitude desert is also called a cold desert, distributed in temperate soils such as the desert of Xinjiang, Inner Mongolia China and the desert of Southwestern North America.

The "sandstorm" in the Sahara (Photo: .thesahara)

The desert climate has the following outstanding features:

1. Little rain, drought: The desert in China most of the annual rainfall is just under 50-100mm. The place where at least rain is not more than 10mm, as in Nhược Khuong in the southeast of Takrama Desert, the tower carved code of only 16.9mm; In Tokason district, Khac tower spent only 5.9 mm of rain.

2. Sand blasting: Each time there is a storm of wind, sand is blind, sand is everywhere. When the wind stopped, each layer of sand piled up into sand dunes, the highest hill could be more than 400m.

3. Winter is cold, summer is very hot . The temperature difference in the year and the day is very high. The desert in northwest China is the average temperature of January -20 degrees Celsius, while July is about 50 degrees Celsius. In Turfan Valley (Turkmen session), summer day temperatures reach 82.3 degrees Celsius, while at night the temperature falls below 0 degrees Celsius, the difference is more than 80 degrees C. It can be said that heat changes The degree of desert climate is the biggest change in climate types.

Living in the desert, there are only a few drought-resistant animals and plants such as camels, sand rats, sandworms, cacti, some shrubs and wild apples. But wild plants in the desert are also not that small, according to incomplete statistics, there have been 1000 varieties in China, of which more than 300 varieties can be used as medicines.