Extremely arid land

Most regions in the world controlled by subtropical high pressure systems are dry and lack rainfall, forming deserts, such as the Atacama Desert in northern Chile. It has become one of the driest regions in the world, with an average annual rainfall of less than 1 millimeter, 15 times drier than the Sahara Desert, under the combined influence of multiple factors such as sinking air currents in the subtropical high pressure zone, offshore winds, and Peruvian cold currents. The reason why the Atacama Desert has become a "drought pole" is that it is located on the west coast of South America and is known as the "dry pole" of the world. The main reasons for its formation are as follows: its geographical location places it in a subtropical high pressure zone, where sinking air currents prevail and precipitation is suppressed; The Andes Mountains to the east block the humid air; The Peruvian cold current along the coast has a cooling and dehumidifying effect; The prevailing offshore winds carry away water vapor from the surface of the ocean. Extreme drought organisms refer to organisms that can survive in extremely arid environments. For example, in samples collected from the extremely arid core area of the Atacama Desert, identification.

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The Atacama Desert is a unique region located in northern Chile, with an area of over 105000 square kilometers, making it the driest non-polar desert on Earth. Scientists have discovered bacteria and archaea that inhabit this oasis beneath the desert. one Most regions in the world controlled by subtropical high pressure systems are dry and lack rainfall, forming deserts, such as the Atacama Desert in northern Chile. It has become one of the driest regions in the world, with an average annual rainfall of less than 1 millimeter, 15 times drier than the Sahara Desert, under the combined influence of multiple factors such as sinking air currents in the subtropical high pressure zone, offshore winds, and Peruvian cold currents. two The Atacama Desert is considered a very typical Martian like environment on Earth due to its extreme drought, high radiation, and high salinity. Under the combined influence of sinking air currents in the subtropical high pressure zone, offshore winds, and Peruvian cold currents, this region has become one of the driest areas in the world, known as the "dry pole" of the world.