| 词条 | Roper River |
| 释义 |
| name = Roper | name_native = | name_native_lang = | name_other = | name_etymology = | image = StateLibQld 1 113736 Goodwill (ship).jpg | image_size = 280 | image_caption = The Goodwill on the Roper River | map = | map_size = 250 | map_caption = | pushpin_map = Australia Northern Territory | pushpin_map_size = 250 | pushpin_map_caption= Location of the Roper River mouth in the Northern Territory | subdivision_type1 = Country | subdivision_name1 = Australia | subdivision_type2 = Territory | subdivision_name2 = Northern Territory | subdivision_type3 = | subdivision_name3 = | subdivision_type4 = | subdivision_name4 = | subdivision_type5 = | subdivision_name5 = | length = {{convert|1010|km|mi|abbr=on}} | width_min = | width_avg = | width_max = | depth_min = | depth_avg = | depth_max = | discharge1_location= | discharge1_min = | discharge1_avg = {{convert|158.4|m3/s|cuft/s|abbr=on}} | discharge1_max = | source1 = | source1_location = | source1_coordinates= | source1_elevation = | source_confluence = Waterhouse River and Roper Creek | source_confluence_location = east of Mataranka | source_confluence_coordinates= {{coord|14|55|58|S|133|08|59|E|display=inline}} | source_confluence_elevation = {{convert|126|m|abbr=on}} | mouth = Limmen Bight | mouth_location = Gulf of Carpentaria | mouth_coordinates = {{coord|14|42|40|S|135|19|42|E|display=inline,title}} | mouth_elevation = {{convert|0|m|abbr=on}} | progression = | river_system = | basin_size = {{convert|81794|km2|abbr=on}} | tributaries_left = Chambers River, Jalboi River | tributaries_right = Strangways River, Hodgson River | custom_label = National park | custom_data = Elsey National Park | extra = [1] }} The Roper River is a large perennial river located in the Katherine region of the Northern Territory, Australia. Location and featuresFormed by the confluence of the Waterhouse River and Roper Creek, the Roper River rises east of Mataranka in the Elsey National Park and flows generally east for over {{convert|1000|km}} to meet the sea in Limmen Bight on the Gulf of Carpentaria. The river is joined by fifteen tributaries including the Chambers, Strangways, Jalboi, Hodgson and the Wilton Rivers. The river descends {{convert|126|m}} over its {{convert|1010|km|adj=on}} course[1] and has a catchment area of {{convert|81794|km2}}, which is one of the largest river catchment areas in the Northern Territory.[2] The Roper River is navigable for about {{convert|145|km}}, until the tidal limit at Roper Bar, and forms the southern boundary of the region known as Arnhem Land. Mataranka Hot Springs and the township of Mataranka lie close to the river at its western end. Port Roper lies near its mouth on Limmen Bight. The river has a mean annual outflow of {{convert|5000|GL|impgal USgal|sigfig=2}}.[3] EtymologyThe first European to explore the Roper River was Ludwig Leichhardt in 1845 as he made his way from Moreton Bay to Port Essington. Leichhardt crossed the river at Roper Bar, a rocky shelf which conveniently lies at the high tide limit on the river. He named the river after John Roper, a member of the expedition.[4] See also{{stack|{{portal|Northern Territory|Water|Environment}}}}
References1. ^1 {{cite web|url=http://www.bonzle.com/c/a?a=p&p=213934&cmd=sp|title=Map of Roper River, NT|accessdate=11 May 2015|work=Bonzle Digital Atlas of Australia}} {{Rivers of the Northern Territory |state=collapsed}}{{NorthernTerritory-river-stub}}2. ^{{Cite web |url=http://www.lrm.nt.gov.au/__data/assets/pdf_file/0003/20766/overview4.pdf |title=Overview of the Roper River Catchment |date=January 2001 |accessdate=1 May 2015 |website=Roper River Catchment: An Assessment of the Physical and Ecological Condition of the Roper River and its Major Tributaries |publisher=Northern Territory Government, Department of Land Resource Management |last= |first= |deadurl=yes |archiveurl=https://web.archive.org/web/20150401172739/http://lrm.nt.gov.au/__data/assets/pdf_file/0003/20766/overview4.pdf |archivedate=1 April 2015 |df= }} 3. ^{{cite web|url=http://track.org.au/sites/default/files/managed/file-attach/biblio/Silvas%20Socioeconomic%20profiles%2050.pdf|title=Roper River|year=2009|accessdate=12 May 2015|publisher=TRaCK}} 4. ^{{Cite web|url=http://adb.anu.edu.au/biography/roper-john-4503 |title=Roper, John (1822–1895) |date=1976 |accessdate=1 May 2015 |website=Australian Dictionary of Biography |publisher=Australian National University |last = |first = }} 1 : Rivers of the Northern Territory |
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