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Politics : President Barack Obama
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To: tejek who wrote (145646)9/9/2014 9:50:49 PM
From: Wharf Rat  Read Replies (2) of 149317
 
" the storm in Phoenix isn't necessarily about global warming."

The storm wasn't, but the amount of water it contained was. There's about 6.4% more water in the air than there was 100 years ago, and most of that change has been in our lifetimes. Atmosphere holds 8% more water per degree C. It's been really noticeable worldwide the last 2 or 3 years.

Atmospheric warming altering ocean salinity and the water cycle

In a paper published Friday (April 27) in the journal Science, Australian scientists from the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and Lawrence Livermore National Laboratory reported changing patterns of salinity in the global ocean during the past 50 years, marking a clear symptom of climate change.

Lead author Paul Durack said that by looking at observed ocean salinity changes and the relationship between salinity, rainfall and evaporation in climate models, they determined the water cycle has become 4 percent stronger from 1950-2000. This is twice the response projected by current generation global climate models....
With a projected temperature rise of 3 degrees Celsius by the end of the century, the researchers estimate a 24 percent acceleration of the water cycle is possible....

He said the intensification is an enhancement in the patterns of exchange between evaporation and rainfall, and with oceans accounting for 71 percent of the global surface area, the change is clearly represented in ocean surface salinity patterns.

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