Keep rainforests – they drive the planet’s winds

New Scientist 31 January 2013 by Fred Pearce
Magazine issue 2902.
newscientist.com

What creates the wind? Anyone will tell you that temperature differences are key. Hot air rises and is replaced by cooler air surging in beneath. Except that maybe the explanation found in every textbook is too simple.

What if, instead, the winds that drive atmospheric circulation are mainly created by the condensation of moisture? Much of this occurs over rainforests as water evaporates or is transpired from the trees. The physicists and foresters behind this controversial idea say that if we chop down the forests, we will lose the winds – and the rains they bring with them.

Read the full article here >

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Author: Hares on the Hill

I am a designer and photographer. I live with my wife and our two dogs in the Welsh Marches, a land full of history, legends, mountains, rivers and dragon's breath; a place where animism thrives. To our north are the Cambrian Mountains, the Elenydd, a vast plateau so ancient that its mountains now have the appearance of steeply rounded moorland hills; to the east is England; to the south stand the Black Mountains and in the west the Brecon Beacons rise around the twin summits of Pen y Fan and Corn Du, the highest mountain in West Wales.

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