Pop Popavich
Bluelighter
xcidium said:In area's where there are problems with fresh water and dam levels (ie: Most of Australia), why aren't there water catchments in the high rainfall area's that store/pump water to the low-level dams?
Or are there, but I'm not aware of them?
Every city currently does this to a certain degree to fill their reservoirs, but in order to do it on a scale big enough to irrigate the huge portions of Australia that suffer from low water levels would cost a fortune.
You would either need to divert existing rivers, or essentially create new ones (although they could just be in monstrous pipes so you don't lose any in the transfer). Once you do this, you would be drastically changing the ecology, (and and everything that goes with it) of the areas where that water would have otherwise gone. Click here to read a case study that discusses the environmenttal impact of river diversion from the Snowy River Scheme.
An alternative solution that I would lean towards would be to send a special team down to Antarctica with plasma cutters and long range siege weaponry. The basic plan would be to cut out huge balls of ice and fire them (by way of giant pea-shooter, trebuchet or something similar) in the general direction of the desert areas that you want to irrigate. Sure, you wouldn't want to be there when it lands, but you have the advantage of slow release irrigation as the ice melts, a slight (if temporary) lowering of the oppressive desert temperatures, and all those penguins get a fun park made up of giant curved halfpipe kind of icebergs that are left over from the ice-mining.
