[ExI] Greening the Sahara

[Mirco Romanato]

spike ha scritto:

> Pump sea water up into large shallow reservoirs on the western edge of the
> Sahara.  If you get tricky the pumping can be done with tidal action, so it
> is passive.  All that heat and dry air would evaporate the water, raising
> the humidity and lowering the temperature.  Rainfall would be increased
> further east, downwind of the reservoirs.

How do you manage the salt entering the water wells around the reservoirs?
There is not much water underground in the Sahara, so if you pump salt
water, this will fill any available empty space.

Mirco