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Draft:Plain of Barcelona

Map of Barcelona
Evolution of the coastline in the district of Ciutat Vella

The plain of Barcelona (Catalan: Pla de Barcelona) is a plain located in the county of Barcelonès, in Catalonia, Spain. It borders the Mediterranean Sea, the Serra de Collserola mountain range, and the river deltas of the Llobregat and Besòs.[1] Its geographical location is between 41° 16' and 41° 30' north latitude and between 1° 54' and 2° 18' east longitude.[2][3] With a surface area of 102.16 km², the plain is about 11 km long and 6 km wide.[4]

Traditionally, this was the name given to the area between the old city of Barcelona and the foothills of the Serra de Collserola mountain range[5] (the hills of El Turó de la Peira, Turó de la Rovira, Turó del Carmel [es], Turó de la Creueta del Coll [es], Turó del Putxet [es], and Turó de Monterols [es]).[3][6][7]

The plain of Barcelona is located on a fault line that runs from Montgat to Garraf and that originated in the Paleozoic era. The terrain is formed by slate substrates and granite formations, as well as clay and calcareous rock.[8][9] In the past, the coast was made up of tidal marshes and lagoons, which disappeared gradually as the coastline advanced due to the sediment carried by the rivers and streams that flowed into the beach. It has been estimated that the coastline has advanced about 5 km since the 6th century BC.[10] The plain was previously criss-crossed by numerous torrents and streams, which were grouped into three fluvial sectors: the Riera de Horta [es] stream in the area near the Besòs river (or eastern area); the Riera Blanca stream and the Torrent Gornal stream in the area of the Llobregat river (or western area); and, in the central area of the plain, a group of streams coming from the southern slope of the Tibidabo hill, such as the Riera de Sant Gervasi, Riera de Vallcarca, Riera de Magòria, and Riera de Collserola streams.[11]

The climate is Mediterranean, with mild winters thanks to the characteristics of the terrain that shelter the plain from the north winds. Temperature usually ranges between 9.5 °C and 24.3 °C, on average. Rainfall is low, about 600 mm per year, and most of the precipitation occurs in spring and autumn.[12] This shortage meant that, in the past, heavy work had to be carried out to supply water to the city, including wells, canals, and irrigation channels.[13] The vegetation of the area consists mainly of pine and oak, and undergrowth of heather, laurustine, strawberry trees, and vines.[14] In the past, both dryland farming and irrigated agriculture were practiced—mainly in vineyards and cereal fields—although today almost the entire area is covered by buildings.[7][15]

The plain remained an agricultural area until the 19th century, since the city was enclosed within its walls and the adjoining land was designated for its protection. This led to a large increase in population density, which entailed serious public health risks, until 1854, when the walls were torn down, and the expansion of the city began. This came about was thanks to the new urban perimeter expansion plan designed by Ildefonso Cerdá. Nowadays, the Eixample district occupies a large part of the plain of Barcelona.[7][16]

See also

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References

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  1. ^ Giralt i Radigales & Alberch i Fugueras 2005, pp. 139–140.
  2. ^ Carreras i Verdaguer 1993, p. 29.
  3. ^ a b Gausa Navarro 2021, p. 261.
  4. ^ Garizurieta, Barinagarrementeria & Sola 2003, p. 41.
  5. ^ Giralt i Radigales & Alberch i Fugueras 2005, p. 139.
  6. ^ Giralt i Radigales 1996, pp. 118–119.
  7. ^ a b c "Geotechnical map of Barcelona". Cartographic and Geological Institute of Catalonia [es]. Retrieved 6 August 2024.
  8. ^ Sobrequés i Callicó 1991, p. 62.
  9. ^ "Barcelona - Mapa geológico de España" (PDF). Geological and Mining Institute of Spain (in Spanish). pp. 4–7. Retrieved 6 August 2024.
  10. ^ Sobrequés i Callicó 1991, pp. 65–67.
  11. ^ Sobrequés i Callicó 1991, p. 79.
  12. ^ "Barcelona Climate and Ecosystem". Urban Resilience Hub. Retrieved 6 August 2024.
  13. ^ Guardia, Rosselló & Garriga 2014, pp. 415–434.
  14. ^ Riera-Mora & Esteban-Amat 1994, pp. 7–23.
  15. ^ Sobrequés i Callicó 1991, pp. 88–90.
  16. ^ Giralt i Radigales & Alberch i Fugueras 2005, p. 140.

Bibliography

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41°24′11″N 2°10′50″E / 41.40306°N 2.18056°E / 41.40306; 2.18056

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