| 词条 | Great Lake (Tasmania) |
| 释义 |
| name = Great Lake | native_name = | native_name_lang = | image = Great Lake, Tasmania.jpg | image_size = 280 | alt = | caption = The northern end of the Great Lake | pushpin_map = | pushpin_map_alt = | pushpin_label_position = | pushpin_map_caption = | image_bathymetry = "type": "ExternalData", "service": "geoshape", "ids": "Q891523", "properties": { "title": "Great Lake", "fill": "#05286D", "stroke-width": 0 }} | alt_bathymetry = | caption_bathymetry = Map showing the Great Lake in Tasmania | location = Central Northern Tasmania | coords = {{coord|41|52|S|146|45|E|region:AU-TAS_type:waterbody_source:GNS-enwiki|display =inline,title}} | type = Natural lake; reservoir | inflow = {{bulleted list|Pine Rivulet|Breton Rivulet}} | rivers = | outflow = Shannon River | catchment = {{convert|399|km2}}[1] | basin_countries = Australia | agency = | designation = | date-built = {{Start date|1967}} | length = {{convert|24.6|km|abbr=on}} | width = {{convert|12|km|abbr=on}} | area = {{convert|176|km2|abbr=on}}[1] | depth = | max-depth = | volume = | residence_time = | salinity = | shore = | elevation = {{convert|1030|m|ft|abbr=on}} {{AHD}} | frozen = During some winters. | islands = Reynolds; Howells Neck; Pine; Helen; Kangaroo; and Maclanachans Point | sections = | trenches = | benches = | cities = Miena, Breona, Liaweenee | website = | reference = [1] }} The Great Lake is a natural lake and man-made reservoir that is located in the central northern region of Tasmania, Australia. Location and featuresFed by the Pine Rivulet and Breton Rivulet, the original natural freshwater lake, much smaller in size than its current {{convert|176|km2|adj=on}} surface area, was expanded as a result of the 1922 construction of Miena Dam #2 at its southern outflow into the Shannon River. This dam is considered to be of high heritage value by Engineers Australia.[1] Miena Dam #2 created the once-famous Shannon Rise,[2] in the 500-metre section of the Shannon River between the dam and Shannon Lagoon. The hatching of thousands of caddis moths in early summer, attracted large numbers of trout and fishermen. In 1967, a sloping-core rock-fill dam was built just downstream of Miena Dam #2 to increase the maximum-capacity level, destroying the Shannon Rise. It was raised a further {{convert|6|m|spell=on}} in 1982,[3] causing Miena Dam #2 to be periodically submerged. After Lake Pedder, the Great Lake is the state's third largest freshwater lake.[4] At {{convert|1030|m}} above sea level, the lake's uses include hydro-electric power, fishing, and tourism. Water from the lake flows into Poatina Power Station to generate hydro-electric power.[5] The nearby towns of Liaweenee and Miena are popular holiday shack destinations for local tourists, despite the area's reputation as being one of the coldest places in the generally mild-weathered state. During the winter months, when the weather is hardly conducive to camping, the population of these two small towns drops to two or three hundred. Parts of the lake surface have frozen during July in some years. The Lake Highway or Highland Lakes Road runs along the west side of the lake and is sometimes snowed under in winter. See also{{stack|{{portal|Tasmania|Water|Renewable energy}}}}
References1. ^{{cite web|url=https://www.engineersaustralia.org.au/sites/default/files/resource-files/2017-01/MienaDamNo2Plaque_Jan07_0.pdf|title=Miena Dam No. 2|work=Heritage Markers|publisher=Engineers Australia|date=January 2007|access-date=1 June 2018}} 2. ^{{cite web|url=http://www.affm.net.au/index.php/fly-fishing-in-tasmania/|title=Fly Fishing in Tasmania|work=Australian Fly Fishing Museum|publisher=|date=2018|access-date=1 June 2018}} 3. ^{{cite web|url=https://www.ifs.tas.gov.au/static/pdf/Great%20Lake%20Brochure%20Ed%204%20for%20web.801edec4a087.pdf|title=Great Lake: Anglers Access|work=Inland Fisheries Service|publisher=Government of Tasmania|edition=4|date=n.d.|access-date=1 June 2018}} 4. ^1 2 3 {{cite web|url=http://www.ancold.org.au/wp-content/uploads/2012/10/Dams-Australia-2010-v1-for-website.xls|format=Excel (requires download)|title=Register of Large Dams in Australia|publisher=Australian National Committee on Large Dams|year=2010|accessdate=23 June 2015|work=Dams information}} 5. ^{{cite web |url=http://www.hydro.com.au/system/files/attachments/Poatina_Power_Station-Fact-Sheets.pdf |title=Poatina Power Station Fact Sheet |work=Our power stations: Great Lake - South Esk |publisher=Hydro Tasmania |date= |accessdate=23 June 2015 }} Further reading
3 : Lakes of Tasmania|Central Highlands (Tasmania)|Reservoirs in Tasmania |
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