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- Yarragadee_Aquifer abstract "The Yarragadee Aquifer is a significant freshwater aquifer located in the south west of Western Australia and predominantly beneath the Swan Coastal Plain west of the Darling Scarp. It has a north-south range from about Geraldton to the south coast, but with a split in the formation south of Perth. The southern part is known as the South West Yarragadee Aquifer.The aquifer is quite deep, situated hundreds of metres below ground level and with a thickness ranging up to about two kilometres. In the Perth area, the Yarragadee Aquifer is located beneath the Leederville Aquifer, which itself is located beneath two superficial aquifers known as the Gnangara Mound and Jandakot Mound. These aquifers are separated by impervious layers with no groundwater called aquitards.The Yarragadee Aquifer stores about 1000 cubic kilometres of water, compared to about 20 cubic kilometres in the Gnangara Mound. As such it is seen as a potential source of water, and the Water Corporation of Western Australia currently extracts about 45 gigalitres per year from the aquifer. One cubic kilometre is equivalent to 1000 GL.Ultimately the Yaragadee Aquifer is replenished by rainfall. This recharging is usually where there are outcroppings near other aquifers like the Leederville Aquifer. There are also outcrops near the surface in the vicinity of the Blackwood River. Current models estimate this recharge at about 280 to 340 GL per year. This groundwater can remain in the aquifer for many years; in some areas the age of the groundwater is over 30,000 years.Geologically, the aquifer is part of what is known as the Yarragadee Formation, which is a relatively thick geological unit in the Perth Basin. Formed during the Jurassic Period, the Yarragadee Formation is composed primarily of non-marine fluviatile feldspathic, poorly sorted sandstones which are porous and poorly cemented, hence allowing for considerable groundwater reserves. It grades from a shale-siltstone dominated base to a cleaner sandstone in the upper portions of the formation, probably representing increased subsidence or filling of the basin during the late Jurassic. The Dalkeith Hot Pool was formed by water from the Yarragadee Aquifer.".
- Yarragadee_Aquifer wikiPageExternalLink FACTSHEET3.PDF.
- Yarragadee_Aquifer wikiPageExternalLink Stage%20One%20Report%20-%20Section%204.pdf.
- Yarragadee_Aquifer wikiPageExternalLink perth_water.htm.
- Yarragadee_Aquifer wikiPageExternalLink 56259.pdf.
- Yarragadee_Aquifer wikiPageExternalLink sw_yarragadee.cfm?uid=4415-5769-1319-1270.
- Yarragadee_Aquifer wikiPageExternalLink SW_Yarragadee_SWAMS.pdf.
- Yarragadee_Aquifer wikiPageExternalLink www.yarragadee.org.
- Yarragadee_Aquifer wikiPageExternalLink Stage+One+Report+-+Section+4.pdf.
- Yarragadee_Aquifer wikiPageExternalLink SW_Yarragadee_SWAMS.pdf.
- Yarragadee_Aquifer wikiPageExternalLink sw_yarragadee.cfm?uid=4415-5769-1319-1270.
- Yarragadee_Aquifer wikiPageID "10593411".
- Yarragadee_Aquifer wikiPageLength "4553".
- Yarragadee_Aquifer wikiPageOutDegree "18".
- Yarragadee_Aquifer wikiPageRevisionID "706367720".
- Yarragadee_Aquifer wikiPageWikiLink Aquifer.
- Yarragadee_Aquifer wikiPageWikiLink Blackwood_River.
- Yarragadee_Aquifer wikiPageWikiLink Category:Aquifers_in_Australia.
- Yarragadee_Aquifer wikiPageWikiLink Category:Swan_Coastal_Plain.
- Yarragadee_Aquifer wikiPageWikiLink Dalkeith_Hot_Pool.
- Yarragadee_Aquifer wikiPageWikiLink Darling_Scarp.
- Yarragadee_Aquifer wikiPageWikiLink Geraldton.
- Yarragadee_Aquifer wikiPageWikiLink Gnangara_Mound.
- Yarragadee_Aquifer wikiPageWikiLink Jandakot_Mound.
- Yarragadee_Aquifer wikiPageWikiLink Jurassic.
- Yarragadee_Aquifer wikiPageWikiLink Leederville_Aquifer.
- Yarragadee_Aquifer wikiPageWikiLink Litre.
- Yarragadee_Aquifer wikiPageWikiLink Perth.
- Yarragadee_Aquifer wikiPageWikiLink Perth_Basin.
- Yarragadee_Aquifer wikiPageWikiLink Swan_Coastal_Plain.
- Yarragadee_Aquifer wikiPageWikiLink Water_Corporation_(Western_Australia).
- Yarragadee_Aquifer wikiPageWikiLink Western_Australia.
- Yarragadee_Aquifer wikiPageWikiLinkText "Yarragadee Aquifer".
- Yarragadee_Aquifer wikiPageWikiLinkText "Yarragadee Formation".
- Yarragadee_Aquifer wikiPageUsesTemplate Template:Aquifers.
- Yarragadee_Aquifer wikiPageUsesTemplate Template:Cite_web.
- Yarragadee_Aquifer subject Category:Aquifers_in_Australia.
- Yarragadee_Aquifer subject Category:Swan_Coastal_Plain.
- Yarragadee_Aquifer hypernym Aquifer.
- Yarragadee_Aquifer comment "The Yarragadee Aquifer is a significant freshwater aquifer located in the south west of Western Australia and predominantly beneath the Swan Coastal Plain west of the Darling Scarp. It has a north-south range from about Geraldton to the south coast, but with a split in the formation south of Perth. The southern part is known as the South West Yarragadee Aquifer.The aquifer is quite deep, situated hundreds of metres below ground level and with a thickness ranging up to about two kilometres.".
- Yarragadee_Aquifer label "Yarragadee Aquifer".
- Yarragadee_Aquifer sameAs Q8049521.
- Yarragadee_Aquifer sameAs Yarragadee_bron.
- Yarragadee_Aquifer sameAs m.02qjqdd.
- Yarragadee_Aquifer sameAs Q8049521.
- Yarragadee_Aquifer wasDerivedFrom Yarragadee_Aquifer?oldid=706367720.
- Yarragadee_Aquifer isPrimaryTopicOf Yarragadee_Aquifer.