What is the driest region on earth? Why is it so dry?
What is the wettest region on earth? Why is it so wet?
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What is the wettest region on earth? Why is it so wet?
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Atacama Desert, Chile is the driest place on earth. This is because it receives so little rainfall-less than 1/2 inch each year. Cherrapunji, India is the wettest place on earth because of the heavy rainfalls, called monsoons. Cherrapunji receives an average of 37.5 feet each year.
THE DRIEST PLACE ---
A certain part of the Atacama Desert, as Vicki has stated, by the Chile-Peruvian border. ((There has been no rainfall ever recorded in 500 years, in certain spots.)) I am not exactly sure why it has so little rain... it being right by the ocean and such, but there is a theory that there is a high pressure cell over the Pacific, keeping moisture back from the west. Mountains refrain clouds from coming in from the Amazon Basin.
People do live there, by the coast, where certain chamamchaca clouds, extremely low-flying clouds, are gathered when the high-pressured cell traps cool ocean air against the hillsides there.
Chamamchaca there, doesn't have enough "wetness" in it to produce rainfall, but has enough moisture to help along small ecosystems high above the shore.
-&& IC
THE WETTEST PLACE ---
Though Cherrapunji, India may have had the largest amount of rainfall, during the moonsoon season, yes, but is the measuring scale fair?
If you look closer, Cherrapunji {I like the name of the city. Sounds like cherry punch.} does have seasons of great rain, whee. But it also has drought season, when it goes, KABOOM, and becomes dry.
Then you fly over the Kuai, and look to the mountain, yeah, Wai'ale'ale, tropical trade winds leave around 400 inches of rain each year, about 33 feet.
What about that wierd place in Alaska? Southeast, Coast Mountains. About 400 inches, rainfall. Now, do you just count the rainfall, or do you count the melting ice in wetness? Because if you do, it comes up to more than 37.5, Cherrapunji's amount. 400 inches itself is 33, but once you add 50 more, which accounts for melting ice, you get 37.5, HA.
I was trying to be nuetral, but if you look at it, Cherry Punch and the Coast Mountains get the same amount, yet Cherry Punch has a dry season. That isn't that WET, is it? So, the Coast Mountains in Alaska, since there isn't exactly "drough season" to dry out the wetness, is in my opnion, the wettest place on Mother Earth.
-&& Ida
As Ida and Vicki said Atacama is the driest place in the world. One of the reasons that Atacama is the driest place in the world is because of the high atmoshperic pressure in the area over the the Andes. This pressure can casuse dry, cold air from the upper altidudes to come down to Earth. Unfourtunetly this air has hardly any moisture so therefore it can be easily heated by the sun which in turn causes high ground tempatures.
Also as Ida and Vicki said the wettest place on Earth is Cherrapunji. The reason is mainly the monsoons. Monsoons are when for six months the winds in certain parts of the world blow in the same direction for six months. These rains are heavily laden with moisture. Another reason for the insane amount of rain is elavation. With Cherrapunji's high elavation comes air that blows over the plains below is cooled as it rises to new heights. This rising, cooling air causes condensation with in turn causes precipatation.
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