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UnSubRocky

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Re: Drought again
Reply #15 - Feb 17^th, 2018 at 5:02pm

lee wrote on Feb 15^th, 2018 at 9:39pm:

PPPPPPP

Prior Preparation and Planning Prevents Piss Poor Performance.

I think they need to make dams in Qld about 100km apart (or near populated areas) just to use during rain seasons, so that the farmer can save on tank water. However, you would need it to rain a bit for its success. And the costs would be prohibitive. Then the idea was thought up that we build large pipes to pipe water from coastal areas to these inland areas. However, the idea is that much of the water would evaporate in the pipes before it got to the inland areas.... and the costs would be prohibitive.

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miketrees

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Re: Drought again
Reply #16 - Feb 18^th, 2018 at 2:30pm

Wa would be stuffed without desal.

Stream flows in our water supply dams have decreased by 90%

We have 10% of the flows we originally had.

No point in building new dams,,, in fact the Water Authority has sold off land that was destined to be catchment area because they are not building some dams and the land is no longer required.

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lee

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Re: Drought again
Reply #17 - Feb 18^th, 2018 at 3:11pm

The main problem with WA dams is, apart from less rainfall, that the catchment area is no longer cleared. That reduces streamflow into the dams significantly.

"The catchments were set up as clearing experiments in the Collie River Basin in the early 1970s. A catchment pair was instrumented in the high rainfall zone (1100mm/yr), and three catchments in the intermediate rainfall zone (700
mm/yr). Following clearing the discharge coefficient has risen by a factor of 5 in the wetter catchments, and about 10in the intermediate rainfall catchments. Some of this increase occurs almost immediately following clearing, before there is a significant rise in the watertable."

http://ewater.org.au/archive/crcch/archive/pubs/pdfs/technical200404.pdf

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« Last Edit: Feb 18^th, 2018 at 3:20pm by lee »

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UnSubRocky

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Re: Drought again
Reply #18 - Feb 19^th, 2018 at 1:28am

miketrees wrote on Feb 18^th, 2018 at 2:30pm:

Wa would be stuffed without desal.

Stream flows in our water supply dams have decreased by 90%

We have 10% of the flows we originally had.

No point in building new dams,,, in fact the Water Authority has sold off land that was destined to be catchment area because they are not building some dams and the land is no longer required.

Are those two recent cyclones, you have been getting in WA, been able to fill those dams? Or are they missing your area?

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lee Gold Member Offline Australian Politics Posts: 16400 Gender:	Re: Drought again Reply #19 - Feb 19^th, 2018 at 10:26am The dams are in the south of the state and not affectedby the cyclones.
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miketrees Gold Member Offline Australian Politics Posts: 6488 Gender:	Re: Drought again Reply #20 - Feb 19^th, 2018 at 4:55pm It pretty rare for the cyclones to get over the dams, usually they slide down well east of the Darling Range.
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President Elect, The Mechanic

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Re: Drought again
Reply #21 - Feb 27^th, 2018 at 5:39am

hows that drought going up north?

im hearing about a lot of rains etc.. floods

anywhere near you Bog?

read this...

https://www.bookdepository.com/Kidman-The-Forgotten-King-Jill-Bowen/978073228610...

it shows you how Kidman used his knowledge of Australian droughts and floods that made him the Cattle King of australia..

absolutely brilliant...

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Q

The STORM has arrived
Every Dog Has Its Day...
Dark to Light.
Sheep no more.

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The_Barnacle Gold Member Offline Australian Politics Posts: 6205 Melbourne Gender:	Re: Drought again Reply #22 - Mar 4^th, 2018 at 12:05pm Bobby. wrote on Feb 15^th, 2018 at 3:45pm: Hi Bogarde - it's been very dry in Melbourne lately. I wonder if we're heading for a drought here? It has been dry in Melbourne lately. We've had just 3 mm in the past 5 weeks But that's not too uncommon at this time of year
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