My thoughts on the balance of the future

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A topic from Science & Nature: The Environment

ginocamaWed 21/11/07 21:03

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With the near immediate consequences of global warming it is acknowledged by the finest scientists in the world that most continents will suffer drought. There will also be a huge increase in the sea level.
We will and do already have serious shortages of water on land (depleted aquifers, dried lakes etc) and a monumental surfeit of salt water.
Would it not be obvious to all that we ought to be building naturally powered desalination plants globally and start pumping the water from the sea into the sponge of this earth and into extra containment should that be needed to store fresh water.
I do believe that pumping some of this fresh water back into the land will be a positive step toward re-balancing the deterioration of our environment.

#194896Wed 21/11/07 21:17

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Well now that you mention it ............ we have just finished prototyping a wind powered distillation system to convert seawater or fouled aquifers into drinking or irrigation water. Will be raising funds to build a commercial scale version after Christmas.

I believe the problem with your proposal is to do with the rate of taking water out. These aquifers fill naturally - either from inland water (rainfall, streams rivers or run-off) so a potable source builds up. As you mention, the rocks are liek sponges on a microscopic scale, so saline water will seep in from the sea. Its kept out by a slow flow outwards. Once the aquifers drop below a certain level, then the salt can move in, turning them saline.

I think if you filled an inland aquifer up with sea water, it would simply remain salty - however I am not a geologist or hydrologist, so may well be wrong here.

ginocamaWed 21/11/07 21:51

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The water should be desalinated first. It is fresh water that the earth needs methinks. I was thinking many hundreds of thousands of desalination plans on a global level starting yesterday of course.

#194896Thu 22/11/07 00:03

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OK - well I suggest you look into the energy requirements of desalination - it may cost more than it saves with current desalination approaches

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