Australian Politics Forum - Irrigate central Australia ............

Sprintcyclist Gold Member Online OzPolitic Posts: 39506 Gender:	Re: Irrigate central Australia ............ Reply #60 - Jan 19^th, 2018 at 8:54pm and this map
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lee Gold Member Offline Australian Politics Posts: 16400 Gender:	Re: Irrigate central Australia ............ Reply #61 - Jan 19^th, 2018 at 8:55pm Sprintcyclist wrote on Jan 19^th, 2018 at 8:47pm: and this thought ......... You've lost me, You want to irrigate Central Australia. You think, yes, salt will be a problem. but you want to do it anyway? And you haven't pointed out any crop for this water.
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Sprintcyclist Gold Member Online OzPolitic Posts: 39506 Gender:	Re: Irrigate central Australia ............ Reply #62 - Jan 19^th, 2018 at 8:59pm Aust is benefited by lowering the local water table level and flushing it out with fresh water
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lee Gold Member Offline Australian Politics Posts: 16400 Gender:	Re: Irrigate central Australia ............ Reply #63 - Jan 19^th, 2018 at 9:00pm Sprintcyclist wrote on Jan 19^th, 2018 at 8:59pm: Aust is benefited by lowering the local water table level and flushing it out with fresh water And how is the lowering of the water table achieved?
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Re: Irrigate central Australia ............
Reply #64 - Jan 19^th, 2018 at 9:46pm

Sprintcyclist wrote on Jan 19^th, 2018 at 8:47pm:

and this thought .........

miketrees wrote on Jan 17^th, 2018 at 5:29pm:

So will irrigating Central Australia bring any salt there to the surface?

There are two main ways to make saline soils.

If there is an underlying saline water table and you raise that water table (most of Australia's problem)

OR

If your irrigation water is ever so saline and you can not flush and drain the soil the salt will build up.

In Carnarvon WA they have to monitor the salt levels in irrigation water very closely and stop using it if the salinity builds up. There is bugger all rain and also poor drainage means you can bugger up the soil with irrigation.

So we could initially lower the water table level.

Lake torrens is 30M above sea level.
about 200 + kms from the ocean.

draw underground watertable water from there, pump it to the ocean in SA.

we have a 30m M drop. Which is lot better that a 30M rise over 200 kms

bump

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Re: Irrigate central Australia ............
Reply #65 - Jan 19^th, 2018 at 10:24pm

lee wrote on Jan 19^th, 2018 at 9:00pm:

Sprintcyclist wrote on Jan 19^th, 2018 at 8:59pm:

Aust is benefited by lowering the local water table level and flushing it out with fresh water

And how is the lowering of the water table achieved?

if you have anything to contribute to any topic, that would be good.

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lee

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Re: Irrigate central Australia ............
Reply #66 - Jan 19^th, 2018 at 10:30pm

Sprintcyclist wrote on Jan 19^th, 2018 at 10:24pm:

if you have anything to contribute to any topic, that would be good.

Sprintcyclist wrote on Jan 19^th, 2018 at 9:46pm:

Lake torrens is 30M above sea level.
about 200 + kms from the ocean.

draw underground watertable water from there, pump it to the ocean in SA.

First you would have to determine there was underground water there. It seems to be a depressed clay pan that fills with water and then slowly evaporates.

http://people.rses.anu.edu.au/dedeckker_p/pubs/123.pdf

Bottom of P 102 (or p2 of pdf) left hand column.

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Re: Irrigate central Australia ............
Reply #67 - Jan 19^th, 2018 at 10:50pm

Sprintcyclist wrote on Jan 19^th, 2018 at 10:24pm:

lee wrote on Jan 19^th, 2018 at 9:00pm:

Sprintcyclist wrote on Jan 19^th, 2018 at 8:59pm:

Aust is benefited by lowering the local water table level and flushing it out with fresh water

And how is the lowering of the water table achieved?

if you have anything to contribute to any topic, that would be good.

it appears, he doesn't

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Re: Irrigate central Australia ............
Reply #68 - Jan 19^th, 2018 at 11:43pm

Prime Minister for Canyons wrote on Jan 16^th, 2018 at 1:30pm:

Sprintcyclist wrote on Jan 16^th, 2018 at 1:05pm:

cods wrote on Jan 16^th, 2018 at 12:26pm:

why the need sprint??.....

For the native flora and fauna.

The native flora and fauna have evolved in central australia to live in conditions of low rainfall. By irrigating them you will destroy their environment.

Get off your high horse Bojack Grin

The 'Environment' changes all the time, even in Australia.
Animals 'adapt' - just like they do with 'human cities' and residential areas.
That's life!
Humans are here to stay.
We can't go back to an environment of 'Pre-Human' existence. That's ...sad thinking.

A certain 'farmer' in SAust allowed canals and weed to grow wild on his property. The nitrogen reinvigoration into his soil and the moisture from his canal systems turned his property into a lush oasis. While the surrounding properties kept peddling 'bull-dust' for lack of.
Ironically he was slapped with Australia's biggest Environmental fine by the so-called 'Western' experts. Roll Eyes

But the Tourist Buses kept coming in to see 'nature' at work.

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Re: Irrigate central Australia ............
Reply #69 - Jan 19^th, 2018 at 11:45pm

Sprintcyclist wrote on Jan 16^th, 2018 at 1:51pm:

Prime Minister for Canyons wrote on Jan 16^th, 2018 at 1:29pm:

Sprintcyclist wrote on Jan 16^th, 2018 at 12:21pm:

Prime Minister for Canyons wrote on Jan 16^th, 2018 at 11:53am:

Sprintcyclist wrote on Jan 15^th, 2018 at 11:55pm:

Desalinate sea water using Carnagie purifiers and pump it inland using solar powered pumps.

Easy peasy.

Yes, by all means yes completely ruin central Australia through salt like we virtually have the MIA

pump fresh water into there

YOu do realise, the salt in the Murray and MIA didnt come from the irrigation per se right.

I think it came from having the trees there cleared

Yep - so true.
They even did a 6 year satellite survey of a large expanse of land that was 'de-forested' and turned into a wheat property. Previously, it always 'rained' when there was trees. Then - no more rain. It still rained where there was Trees 'next door'. Go outback and you will see where the rain clouds form ...over large expanses of

TREES.

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Re: Irrigate central Australia ............
Reply #70 - Jan 19^th, 2018 at 11:48pm

Sprintcyclist wrote on Jan 16^th, 2018 at 3:40pm:

]but if the trees and shrubs were there, it would have been all good[/highlight].

Yep!
All water is good.
But it goes a long way if they don't deforest the hell out of the soil.
Taking the Trees away 'dries' the soil out for starters and keeps the little worms away.

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Re: Irrigate central Australia ............
Reply #71 - Jan 19^th, 2018 at 11:48pm

lee wrote on Jan 16^th, 2018 at 4:13pm:

Sprintcyclist wrote on Jan 16^th, 2018 at 4:01pm:

A dog is not the same as a balloon.

Wow. That's deep.

So having achieved the dream of irrigating Central Australia, what will you do with it?

It will cost millions. What will you do to recoup the money spent? Grow blue gums?

Beats wasting $50 billion on France to build our Subs Roll Eyes

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Re: Irrigate central Australia ............
Reply #72 - Jan 19^th, 2018 at 11:53pm

Gordon wrote on Jan 16^th, 2018 at 4:45pm:

Just waiting for the boongs to cry about the flooded generation.

Well the Aboriginals 'terra-formed' the Continent for starters.
First it was the BIGGEST BBQ to get rid of all the dangerous Mega-Fauna, let alone to eat it all.
Then they kept turning it into the worlds biggest

PARKLAND

that allowed 'grazing fauna' like Emus & Kangaroos to be their consistent food supply.
So tell me.
What's going to be wrong with a circulation system of

WATER

that will invigorate the Outback like Veins & Arteries do to the body?
Maybe 'Westernised' Australians are only good for Politics and couldn't hope to be able to manage such and Environmental masterpiece? Huh

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Jasin Gold Member Offline Posts: 46482 Gender:	Re: Irrigate central Australia ............ Reply #73 - Jan 19^th, 2018 at 11:53pm lee wrote on Jan 16^th, 2018 at 9:24pm: Sprintcyclist wrote on Jan 16^th, 2018 at 9:06pm: What would you do with it ? Leave it as it is. Don't be a typical Lazy westernised Australian!
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Re: Irrigate central Australia ............
Reply #74 - Jan 19^th, 2018 at 11:54pm

Grendel wrote on Jan 16^th, 2018 at 9:54pm:

Prime Minister for Canyons wrote on Jan 16^th, 2018 at 11:53am:

Sprintcyclist wrote on Jan 15^th, 2018 at 11:55pm:

Desalinate sea water using Carnagie purifiers and pump it inland using solar powered pumps.

Easy peasy.

Yes, by all means yes completely ruin central Australia through salt like we virtually have the MIA

Never heard of Lake Eyre eh?
What about... The Inland Sea?

Yep - it's like a Dream, isn't it Wink

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AIMLESS EXTENTION OF KNOWLEDGE HOWEVER, WHICH IS WHAT I THINK YOU REALLY MEAN BY THE TERM 'CURIOSITY', IS MERELY INEFFICIENCY. I AM DESIGNED TO AVOID INEFFICIENCY.

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