Mustikkamaa
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Mustikkamaa (Finnish: [ˈmustikːɑˌmɑː]; Swedish: Blåbärslandet; literally translates to "blueberry land") is an island in the Gulf of Finland, some 5 kilometres (3.1 mi) to the east of the city centre of Helsinki, and c. 36 hectares (89 acres) in size.[1]
Leisure use
[edit]It is owned by the City of Helsinki, and used for public recreational and leisure activities such as jogging, hiking, cross-country skiing, tennis and other ballgames.[1]
There is an open-air summer theatre, restaurant and marina, and the island is connected via a pedestrian bridge to the adjacent island of Korkeasaari, where the Helsinki zoo is located.[1]
Bridges
[edit]In 1964, a bridge was built to connect Mustikkamaa to the larger island of Kulosaari.[1]
In 2016, the new Isoisänsilta bridge was opened, connecting Mustikkamaa also to the Kalasatama neighbourhood on the Helsinki mainland.[2]
Thermal energy storage
[edit]In the 1980s, three large rock caverns were excavated under Mustikkamaa, to store oil reserves. In 2018, the Helsinki municipal energy company HELEN began converting these into a thermal energy storage facility, capable of holding 260,000 cubic metres (9,200,000 cu ft) of warm (45 °C (113 °F) or warmer) water, with the aim of reducing Helsinki's carbon emissions by over 20,000 tons annually.[3][4][5]
References
[edit]- ^ a b c d "Mustikkamaa". Hel.fi. City of Helsinki. Retrieved 8 November 2020.
- ^ "Uusi silta yhdistää Kalasataman ja Mustikkamaan ja johdattaa aina Korkeasaareen saakka" [New bridge connects Kalasatama to Mustikkamaa, and leads all the way to Korkeasaari] (in Finnish). Yle. 1 June 2016. Retrieved 8 November 2020.
- ^ "Mustikkamaan alla on valtava luola, jota pian käytetään Helsingin lämmittämiseen – Kuvat ja video näyttävät, millaista kallion uumenissa on" (in Finnish). Helsingin Sanomat. 11 October 2018. Retrieved 8 November 2020.
- ^ "Helen alkaa rakentaa maailman suurinta lämpövarastoa meren pohjan alapuolelle – 260 000 kuutiota vähintään 45-asteista vettä" (in Finnish). Tekniikka & Talous. 11 October 2018. Retrieved 8 November 2020.
- ^ "Construction of Finland's largest rock cavern heat storage facility starts". Helen.fi. Helsinki Energy. Retrieved 8 November 2020.
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