| 词条 | Tal-y-llyn Lake |
| 释义 |
| name = Tal-y-llyn Lake | image = Tal_y_llyn_lake.jpg | caption = Looking north-east up the Bwlch Llyn Bach pass | location = North Wales | coords = {{coord|52.67250|N|3.89744|W|region:GB_type:waterbody_source:enwiki-osgb36(SH718100)|display=inline,title}} | type = Natural Ribbon Lake | inflow = | outflow = River Dysynni | catchment = | basin_countries = United Kingdom | length = | width = | area = {{convert|220|acre}}[1] | depth = {{convert|3|m|ft|abbr=on}} | max-depth = | volume = | residence_time = | shore = | elevation = | reference = [1] }}Tal-y-llyn Lake,[2][4][3] also known as Talyllyn Lake, Llyn Myngul or Llyn Mwyngil is a large glacial ribbon lake in Gwynedd, North Wales. It is formed by a post-glacial massive landslip damming up the lake within the glaciated valley.[4] The hamlet of Talyllyn lies at the west end of the lake.[5] NameTal-y-llyn Lake is named after the hamlet and historic parish of Tal-y-llyn. Tal-y-llyn itself is named after the lake and means 'the end of the lake' in Welsh. Literally, therefore, Tal-y-llyn Lake has the circular meaning of 'the lake at the end of the lake'. The Welsh name Llyn Myngul or Llyn Mwyngil probably derives from mŵn ('neck') and cul ('narrow').[6] GeographyTal-y-llyn Lake is situated to the north of Machynlleth,[7] at the foot of Cadair Idris, in the Snowdonia mountain range of Gwynedd, Wales. The River Dysynni flows from the lake, through the village of Abergynolwyn, and discharges into the sea north of Tywyn.[8][9] There is a route leading to the summit of Cadair Idris from near the lake and the narrow gauge Talyllyn Railway has its eastern terminus at nearby Abergynolwyn, within the parish of Tal-y-llyn, the hamlet at the southern end of the lake.[10] GeologyThe Tal-y-llyn Lake is located on a major fault line in Wales known as the Bala Fault, which extends from the Cheshire border to Tywyn on the Cardigan Bay coast. The depression caused by this was likely carved out and deepened during subsequent glaciation periods. Until 1962, Tal-y-llyn Lake was regarded as the most southerly example of a lake formed in a rock basin, with a terminal moraine on top of the bedrock through which the river had carved a channel. It is now understood that what appeared to be bedrock is in fact massive blocks of debris left by a large landslide. An enormous scar on the valley side to the left of the foot of the lake shows the source of the landslide, and another landslide a few miles downstream caused the River Dysynni to divert into the adjoining valley to the north. The upper end of the lake is becoming shallower as a result of the deposition of alluvium.[11] In fiction1976 Newbery Medal winner Susan Cooper used the lake as a setting for the book The Grey King. Within the lake six sleepers lie, wakened by Will Stanton playing the Harp of Gold. Afterward, they ride to the aid of the Light in the book Silver on the Tree.[12] References1. ^1 {{cite web|url=http://www.walesdirectory.co.uk/Lakes/Tal_y_Llyn.htm|title=WalesDirectory - Tal-y-llyn Lake}} {{Commons category|Tal-y-llyn Lake}}{{DEFAULTSORT:Tal-Y-Llyn Lake}}2. ^{{cite book |title=Merionethshire |page=25 |first=A. |last=Morris |publisher=Cambridge University Press |date=1915 |quote=The largest of these is the Talyllyn lake at the southern foot of the mountain. It is sometimes known as Mwyngil.}} 3. ^{{cite book |title=Fishing in Wales |first=Walter M. |last=Gallichan |date=1903 |publisher=F. E. Robinson & Co. |location=London}} 4. ^{{cite web|url=http://www.aber.ac.uk/visitors/en/schools_guide.html |title=University of Wales, Aberystwyth, Educational Visits & Fieldwork |work=aber.ac.uk |deadurl=yes |archiveurl=https://web.archive.org/web/20070929095822/http://www.aber.ac.uk/visitors/en/schools_guide.html |archivedate=September 29, 2007 }} 5. ^1 {{cite book |url=https://babel.hathitrust.org/cgi/pt?q1=talyllyn%20parish;id=hvd.hnzvwl;view=image;seq=130;start=1;sz=10;page=search;num=26 |title=Gossiping Guide to Wales |page=26 |first1=Askew |last1=Roberts |first2=Edward |last2=Woodall |publisher=Simpkin, Marshall & Co. |date=1890}} 6. ^Melville Richards, '[https://books.google.co.uk/books?id=LItuDwAAQBAJ&pg=PA410&dq=llyn+myngul&hl=cy&sa=X&ved=0ahUKEwixnfTDgY_hAhWBs3EKHTOsDKEQ6AEIPTAD#v=onepage&q=llyn%20myngul&f=false The Names of Welsh Lakes]', in D. P. Blok (ed.), Proceedings of the Eighth International Congress of Onomastic Studies (The Hague & Paris: Mouton & Co., 1976), p. 410. 7. ^{{Google maps | url = https://www.google.com/maps?ll=52.6725,-3.89744&q=52.6725,-3.89744&hl=en&t=h&z=12 | accessdate =26 April 2016}} 8. ^{{cite web |url= |title=Landranger 124 Dolgellau and surrounding area |work=1.25 inch map |publisher=Ordnance Survey |accessdate=26 April 2016}} 9. ^{{cite web |url= |title=Sheet 127 Aberystwyth |author= |date= |work=One inch map |publisher=Ordnance Survey |accessdate=26 April 2016}} 10. ^{{cite web |url=http://www.talyllyn.co.uk/things-to-do |title=Things to Do |publisher=Talyllyn Railway |accessdate=26 April 2016}} 11. ^{{cite book|author=Stephens, Nicholas |title=Natural Landscapes of Britain from the Air |url=https://books.google.com/books?id=0yE9AAAAIAAJ&pg=PA64 |year=1990 |publisher=CUP Archive |isbn=978-0-521-32390-1 |pages=64–65}} 12. ^{{isfdb contents |366203 |The Grey King |first UK edition}}. Retrieved 26 April 2016 6 : Llanfihangel-y-Pennant|Lakes of Gwynedd|Lakes of Snowdonia|Tourism in Gwynedd|Tourism in Snowdonia|Landslide-dammed lakes |
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