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词条 Fortescue River
释义

  1. Course

  2. Tributaries

  3. Catchment

     Fortescue Marshes 

  4. Estuary

  5. History

  6. Damming proposals

  7. References

{{Use dmy dates|date=March 2015}}{{Use Australian English|date=March 2015}}{{Infobox river
| name = Fortescue River
| image = Ophthalmia Dam, Fortescue River.jpg
| image_caption = Ophthalmia Dam, Fortescue River
| source1_location = Ophthalmia Range
| mouth_location = Indian Ocean
| subdivision_type1 = Country
| subdivision_name1 = Australia
| length = {{convert|760|km|mi|0}}[1]
| source1_elevation = {{convert|602|m|ft|0}}[2]
| discharge1_avg = {{convert|391|GL/yr|m3/s cuft/s|abbr=on}} (mean)[3]
| basin_size = {{convert|49759|km2|sqmi|0}}[4]
}}

The Fortescue River is an ephemeral river in the Pilbara region of Western Australia. It is the third longest river in the state.

Course

The river rises near Deadman Hill in the Ophthalmia Range about 30 km south of Newman. The river flows in a northerly direction parallel with the Great Northern Highway until it crosses the highway just south of the Marble Bar turn-off. The river then runs north-west then west crossing the Great Northern Highway again, north of the Auski Roadhouse. Approximately {{convert|100|km|mi|0}} north of Newman, the river flows through the {{convert|960|km2|sqmi|0}} Fortescue Marsh, an important wetland. The river continues to head west crossing Highway 1 at the Fortescue Roadhouse ({{coord|21|17|44.32|S|116|08|17.52|E}}) and discharges into the Indian Ocean at Mardie Station about 40 km south-west of Dampier

Tributaries

The river is known to have 24 tributaries that include: Western Creek, Warrawanda Creek, Shovelanna Creek, Kalgan Creek, Fortescue River South, Cowcumba Creek, Macklin Creek and Tanga Tanga Creek.

During Cyclone Joan in 1975 many of these tributaries also flooded. Weeli Wolli Creek and Weelumurra Creek both overflowed and caused floods and washaways on the Hamersley Iron and Mount Newman railway lines.[5]

The river flows through a number of permanent water pools on the latter part of its journey including Tarda Pool, Mungowarra Pool, Crossing Pool and Deep Reach Pool.

Catchment

The Fortescue Catchment area drains from the southern side of the Chichester Plateau and the northern side of the Hamersley Range making use of the trough between the two. The valley plains are composed of earthy clays with some cracking clays, loams and hard red soils.

Water is stored at Ophthalmia Dam which holds a total volume of 32,000ML, and a total of 6,290 ML/year are drawn from the surface water for use in the town of Newman.[6]

Fortescue Marshes

See also Fortescue Marshes

The headwaters area of Fortescue River is flat and marshy. It is a location where Western Creek, Warrawanda Creek and Fortescue River converge.

The river then flows through a poorly defined channel as far as Gregory Gorge,[7] when the river starts to form a well defined channel. It then flows through a number of pools before reaching the estuarine area.[8]

Estuary

The mouth of the river is a large estuarine area. The estuary is mostly unmodified, and functions primarily as a result of river energy. The delta formed by the river is tide dominated.

The estuary covers a total surface area of {{convert|23.3|km2|sqmi|0}}[9]

The majority of the estuarine area is made up of salt marsh and intertidal flats. A colony of mangroves use the estuary as habitat and occupy an area of {{convert|1.2|km2|sqmi|0}}. Large female Barramundi are known to inhabit the estuary.

History

The river was named in 1861 during an expedition by the explorer and surveyor Francis Thomas Gregory, after Chichester Fortescue, Parliamentary Under-Secretary of State for the Colonies.

The traditional owners of the area that the river flows through are the Indjibandi peoples.[10]

Mardie Station, at the western end of the river, was established prior to 1883. Three paddocks were fenced, and by that year were carrying about 18,000 sheep.[11]Roy Hill Station, much further inland, was settled in 1886 by Nat Cooke who owned Mallina Station. The first official lease was granted to D. MacKay in 1890 for an area of {{convert|20000|acre|ha|0}}.[12]

A {{convert|69|m|adj=on}} bridge crossing the river near Roy Hill was constructed in the late 1920s to service the cattle industry.[13]

Damming proposals

The river has been surveyed and proposed as a site for dams,[14][15] in the Gregory Gorge and the Dogger Gorge[16] as well as Opthalmia[17]

References

1. ^{{LandInfo WA|r|F|11 October 2008}}
2. ^{{cite web|url=http://maps.bonzle.com/c/a?a=p&x=116.317343448352&y=-21.0192738164314&w=68080&h=68080&i=554&j=554&p=213510&pl=213510&fc=1#map|title=Bonzle Digital Atlas - Fortescue River|year= 2006|accessdate= 11 October 2008}}
3. ^{{cite web|url=http://portal.water.wa.gov.au/portal/page/portal/WaterManagement/Hydrology/SurfaceHydrology|title=Surface Hydrology of thePilbara Region|year= 2007|accessdate= 24 April 2009|deadurl=yes|archiveurl=https://web.archive.org/web/20090519043704/http://portal.water.wa.gov.au/portal/page/portal/WaterManagement/Hydrology/SurfaceHydrology/|archivedate= 19 May 2009|df=dmy-all}}
4. ^{{cite web|url=http://www.water.gov.au/RegionalWaterResourcesAssessments/SpecificGeographicRegion/TabbedReports.aspx?PID=WA_SW_708|title=Australian Water Resources 2005 - Regional Water Resource Assessment – SWMA - Fortescue River|year= 2005|accessdate= 26 November 2008|deadurl=yes|archiveurl=https://web.archive.org/web/20080727022143/http://www.water.gov.au/RegionalWaterResourcesAssessments/SpecificGeographicRegion/TabbedReports.aspx?PID=WA_SW_708|archivedate= 27 July 2008|df=dmy-all}}
5. ^{{cite web|url=http://www.bom.gov.au/cyclone/history/wa/joan.shtml|title=Tropical Cyclone Joan|publisher=Bureau of Meteorology|accessdate=19 July 2015}}
6. ^{{cite web|url=http://www.anra.gov.au/topics/water/overview/wa/basin-fortescue-river.html|title=Australian Natural Resources Atlas - Water resources - Overview - Western Australia|year=2007|accessdate=24 April 2009|deadurl=yes|archiveurl=https://web.archive.org/web/20091004175732/http://www.anra.gov.au/topics/water/overview/wa/basin-fortescue-river.html|archivedate=4 October 2009|df=dmy-all}}
7. ^{{Citation | author1=Juluwarlu Aboriginal Corporation | author2=Juluwarlu Aboriginal Corporation | title=Ngurra warndurala buluyugayi wuyumarri = Exploring Yindjibarndi country : Gregory Gorge | publication-date=2008 | publisher=Juluwarlu Group Aboriginal Corporation | isbn=978-0-9804096-1-1 }}
8. ^{{Citation | author1=Loomes, Robyn | author2=Western Australia. Dept. of Water | title=Lower Fortescue River : ecological values and issues | publication-date=2010 | publisher=Dept. of Water | isbn=978-1-921736-80-3 }}
9. ^{{cite web|url=http://dbforms.ga.gov.au/pls/www/npm.ozest.show_mm?pBlobno=9319|title=Estuary Assessment Framework for Non-Pristine Estuaries Estuary 664 Fortescue River|year=2006|accessdate=24 April 2009|deadurl=yes|archiveurl=https://web.archive.org/web/20090523084046/http://dbforms.ga.gov.au/pls/www/npm.ozest.show_mm?pBlobno=9319|archivedate=23 May 2009|df=dmy-all}}
10. ^{{cite web|url=http://www.ausanthrop.net/resources/ausanthrop_db/detail.php?id_search=125|title=AusAnthrop Australian Aboriginal tribal database|year=2009|accessdate=5 May 2012|deadurl=yes|archiveurl=https://web.archive.org/web/20100706023920/http://www.ausanthrop.net/resources/ausanthrop_db/detail.php?id_search=125|archivedate=6 July 2010|df=dmy-all}}
11. ^{{cite news |url=http://nla.gov.au/nla.news-article22636793 |title=Rural gossip|newspaper=Perth Gazette |date=27 April 1923 |accessdate=23 December 2015|page=10 |publisher=National Library of Australia}}
12. ^{{cite web|url=http://inherit.stateheritage.wa.gov.au/Public/Inventory/Details/5a36af5f-2dc2-4b55-87a9-8bc674e80cc6|title=Roy Hill Homestead and former Post Office|work=inHerit|accessdate=15 December 2015|date=8 February 2015|publisher=Heritage Council of Western Australia}}
13. ^{{cite news |url=http://nla.gov.au/nla.news-article37675535 |title=Western Australia North-West bridges. |newspaper=Western Mail |location=Perth, Western Australia |date=5 September 1929 |accessdate=2 February 2012 |page=28 |publisher=National Library of Australia}}
14. ^{{Citation | author1=Western Australia. Public Works Department | author2=Western Australia. Public Works Dept | title=A brochure of background information inviting public input to an investigation of the environmental implications of alternative dams on the Fortescue River | publication-date=1975 | publisher=Public Works Dept. of Western Australia | url=http://trove.nla.gov.au/work/21084220 | accessdate=20 June 2015 }}
15. ^{{Citation | author1=Western Australia. Public Works Department | author2=Western Australia. Public Works Dept | title=A brochure of background information inviting public input to an investigation of the environmental implications of alternative dams on the Fortescue River | publication-date=1975 | publisher=Public Works Dept. of Western Australia | url=http://trove.nla.gov.au/work/21084220 | accessdate=20 June 2015 }}
16. ^{{Citation | author1=Dames & Moore | author2=Western Australia. Public Works Department | title=Environmental investigations : Gregory and Dogger Gorge dam sites Fortescue River, Western Australia | publication-date=1975 | publisher=Dames & Moore | isbn=978-0-9597225-0-5 }}
17. ^{{Citation | author1=Payne, A. L | author2=Mitchell, A. A | author3=Western Australia. Department of Agriculture | author4=Western Australia. Department of Agriculture. Division of Resource Management | title=An assessment of the impact of Ophthalmia Dam on the floodplains of the Fortescue River on Ethel Creek and Roy Hill Stations | publication-date=1992 | publisher=Dept. of Agriculture, Western Australia | url=http://trove.nla.gov.au/work/34728126 | accessdate=20 June 2015 }}
{{coord|23|17|22|S|119|52|29|E|region:AU-WA_type:river|display=title}}{{Rivers of Western Australia}}

4 : Rivers of Western Australia|Pilbara|Important Bird Areas of Western Australia|Fortescue River

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