| 词条 | Tyrifjorden |
| 释义 |
| name = Tyrifjorden | image = Holsfjorden, Hole.jpg | caption = | image_bathymetry = | caption_bathymetry = | pushpin_map = Norway Buskerud#Norway | pushpin_map_caption = Location of Tyrifjorden in Buskerud | location = Norway | type = Fjord lake | coordinates = {{coord|60|2|N|10|8|E|region:NO_type:waterbody|display =inline,title}} | inflow = | outflow = | catchment = | basin_countries = Norway | length = | width = | area = {{convert|136|km2|abbr=on}} | depth = {{convert|97|m|abbr=on}} | max-depth = {{convert|295|m|abbr=on}} | volume = {{convert|13.1|km3|acre.ft|abbr=on}} | residence_time = | shore = | elevation = {{convert|62|m|abbr=on}} | islands = | cities = | reference =[1] | embedded = {{Designation list | embed = yes | designation1 = Ramsar | designation1_offname = Nordre Tyrifjord Wetlands System | designation1_date = 18 March 1996 | designation1_number = 802[2]}} }} Tyrifjorden (Lake Tyri) is a lake in Norway. It lies {{convert|40|km|mi}} northwest of Oslo and is the nation's fifth largest lake with an area of 137 km2. It has a volume of 13 km3, is 295 meters deep at its deepest, and lies 63 meters above sea level. The lake's primary source is the Begna river, which discharges into Tyrifjorden at Hønefoss where the river forms the waterfall of Hønefossen. Its primary outlet is at Vikersund near the lake's southwest corner, where Tyrifjorden discharges into the Drammenselva river. LocationTyrifjorden is located in the county of Buskerud and borders the municipalities of Hole, Lier, Modum, and Ringerike. Tyrifjorden is a landlocked fjord. It consists of a main body, Storfjorden, along with the Holsfjorden, Nordfjorden, and Steinsfjorden branches. Branches
Islands
The name{{stack|}}The Old Norse form of the name was just Tyri (or Tyrvi). This uncompounded name is also the first element in the name Tyristrand. The name is derived from the word tyri meaning "old/dead pine (wood)", referring specifically to the woods of the western side of the lake. The last element -fjorden (the finite form of fjord) is a later addition. 2011 shooting massacre{{main|2011 Norway attacks#Utøya massacre}}On 22 July 2011, an island in the lake, Utøya, was the site of a shooting spree during a youth camp held by the Norwegian Labour Party. References1. ^{{Citation| last=Seppälä| first=Matti| title=The Physical Geography of Fennoscandia | url=https://books.google.com/books?id=q33WekTp7tgC&pg=PA145| publisher=Oxford University Press|year=2005| page=145| isbn=978-0-19-924590-1}} 2. ^{{Cite web|title=Nordre Tyrifjord Wetlands System|website=Ramsar Sites Information Service|url=https://rsis.ramsar.org/ris/802|accessdate=25 April 2018}} External links
3 : Lakes of Buskerud|Lier, Norway|Ramsar sites in Norway |
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