Wednesday, September 05, 2012

Climate change: More carbon dioxide [allegedly] leads to fewer clouds
(Phys.org)—The warmer the air, the more water can evaporate: a simple relationship familiar to us from everyday life. Researchers from Germany and the Netherlands have now established that this is not always the case: although an increase in the greenhouse gas CO2 makes the climate warmer, it also allows less water to evaporate. Plants, with their billions of tiny leaf pores, are the cause of this apparent contradiction. They influence the gas and moisture content of the air around them. Using new calculations of an atmospheric model, the researchers found that this sets in motion a cascade of processes, finally resulting in global warming.
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1 comment:

Anonymous said...

But...but...if plants allow less water to evaporate, doesn't that mean less water vapor feedback, and less warming?