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Originally Posted by GH85Carrera
There is little doubt fresh clean drinking water will be harder to come by in many areas. Southern California and parts of Texas, Kansas, Oklahoma & Arizona are great farm areas, ONLY because we are pumping massive volumes of ground water that can't continue at the same rate. Southern California is a desert! The coast is great, but vast areas are natural desert with little rain. It is the bread basket of the country because the water is pumped up and the constant sunshine.
I don't know what the answer to lack of rain. Even with unlimited electricity from some magic 100% efficient solar cells we will have real issues finding a source of enough fresh water to continue at the current rate.
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Technically, only part of Southern California is a desert.
That part is what we call the Mojave desert.
The part that includes Los Angeles, Orange county, and San Diego is not classified as desert.
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Deserts generally receive less than 250 mm (10 in) of precipitation each year.[9]
Marshak (2009). Essentials of Geology, 3rd ed. W. W. Norton & Co. p. 452. ISBN 978-0-393-19656-6.
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The average annual rainfall for Los Angeles is 14.75"
Total Seasonal Rainfall 1877-Present for Downtown Los Angeles, California