| 词条 | Burnham-on-Sea Low Lighthouse |
| 释义 |
| name = Burnham-on-Sea Low lighthouse Lower light | image_name = Burnham low light geograph-498963-by-Steve--F.jpg | caption = Burnham-on-Sea Low Lighthouse | location = Burnham-on-Sea Somerset England | pushpin_map = Somerset | pushpin = lighthouse | pushpin_map_caption = Somerset | coordinates = {{coord|51.248387|-3.005822|display=inline,title}} | yearbuilt = 1832 | yearlit = | automated = | yeardeactivated = 1969–1996 | foundation = | construction = wooden tower | shape = square tower on nine pilings | marking = white tower with a red vertical stripe on seaward side | height = {{convert|9|m|ft}} | focalheight = {{convert|7|m|ft}} {{convert|4|m|ft}} (directional light) | lens = | currentlens = | intensity = | range = white {{convert|12|nmi}} red, green: {{convert|10|nmi}} | characteristic = Fl W 7.5s. F WRG (directional light) | fogsignal = none | racon = | admiralty = A5570 | canada = | NGA = 6172 | ARLHS = ENG-019[1] | managingagent = Sedgemoor District Council[2] }} The Low Lighthouse is one of three lighthouses in Burnham-on-Sea, Somerset, England and the only one which is still active. It is a Grade II listed building.[3] Burnham-on-Sea is notable for its beach and mudflats, which are characteristic of Bridgwater Bay and the rest of the Bristol Channel where the tide can recede for over {{convert|1.5|mi|km|1}}. Burnham is close to the estuary of the River Parrett where it flows into the Bristol Channel, which has the second highest tidal range in the world of {{convert|15|m|ft}},[3] second only to Bay of Fundy in Eastern Canada.[4][5] The constantly shifting sands have always been a significant risk to shipping in the area. The low wooden pile lighthouse or Lighthouse on legs is {{convert|36|ft|m}} high; the light being at {{convert|23|ft|m}} was built by Joseph Nelson in 1832, in conjunction with the High Lighthouse to replace the original Round Tower Lighthouse, which itself had been built to replace the light kept burning in the tower of St Andrews Church to guide fishing boats into the harbour.[6] It stands on nine wooden piers, some with plate metal reinforcement. The structure is whitewashed with a vertical red stripe on the seaward side.[7][8] The lights were inactive between 1969 and 1993 and were re-established when the High Lighthouse lights were permanently discontinued. They have a focal plane of {{convert|7|m|ft}} and provide a white flash every 7.5s plus a directional light (white, red, or green depending on direction) at a focal plane of 4 m.[6] It is operated by Sedgemoor District Council.[9] See also{{stack|{{Portal|Somerset|Lighthouses}}}}
References1. ^{{cite book |title=List of Lights – British Isles, English Channel and North Sea |publisher=National Geospatial-Intelligence Agency |location=Bethesda |year=2009 |volume=114 |page=97}} 2. ^[https://www.unc.edu/~rowlett/lighthouse/engw.htm Burnham-on-Sea Low] The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 28 April 2016 3. ^{{cite web |title=Why is the Severn Estuary special? |url=http://www.severnestuarypartnership.org.uk/files/2015/11/Intro_SE-Wales_english.pdf |publisher=Severn Estuary Partnership |accessdate=4 January 2017}} 4. ^{{cite book |title=Extreme Depositional Environments: Mega End Members in Geologic Time |first=Marjorie A. |last=Chan |author2=Archer, Allen William |pages=151 |location=Boulder, Colorado |isbn=0-8137-2370-1 |publisher=Geological Society of America |year=2003 |url=https://books.google.com/books?id=b3_1Ry0gDqEC&pg=PA152&lpg=PA152&dq=bristol+channel&source=web&ots=TQTXZ-PIhu&sig=SWfR3iDDyDCkMnAjdxboRxBZI2I#PPA151,M1}} 5. ^{{cite web |url=http://www.bbc.co.uk/bristol/content/articles/2005/07/04/bristolchannel_feature.shtml |title=Coast: Bristol Channel |work=BBC |accessdate=27 August 2007}} 6. ^1 {{cite web |url=http://www.burnham-on-sea.com/lighthouses.shtml |title=Lighthouses |publisher=Burnham on Sea.com |accessdate=5 April 2010}} 7. ^1 {{cite web |title=Burnham Low Lighthouse |work=Images of England |url=http://www.imagesofengland.org.uk/details/default.aspx?id=433724 |accessdate=10 December 2006}} 8. ^{{cite web |url=http://www.somersetheritage.org.uk/record/13243 |title=Burnham Low Lighthouse on foreshore off Gore Road, Gore Road (West side), Burnham-on-Sea |work=Somerset Historic Environment Record |publisher=Somerset County Council |accessdate=5 April 2010}} 9. ^{{cite rowlett|engw|accessdate=2 January 2015}} {{Commons category|position=left|Burnham Low Lighthouse}}{{Lighthouses in England}} 6 : Lighthouses completed in 1832|Towers completed in 1832|Lighthouses in Somerset|Grade II listed buildings in Sedgemoor|Grade II listed lighthouses|Burnham-on-Sea |
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