Editing Neva (section)

===Floods===
{{main|Floods in Saint Petersburg}}
Floods in St. Petersburg are usually caused by the overflow of the delta of Neva and by surging water in the eastern part of [[Neva Bay]]. They are registered when the water rises above {{convert|160|cm|in}} with respect to a gauge at the [[Saint Petersburg Mining Institute|Mining Institute]]. More than 300 floods occurred after the city was founded in 1703.<ref>{{cite book|url=https://books.google.com/books?id=xMDPksxFhCYC&pg=PA327|page=327|title=Frommer's 500 Places to See Before They Disappear|author=Holly Hughes, Larry West|publisher=Frommer's|year=2008|isbn=978-0-470-18986-3}}</ref><ref>{{cite book|url=http://balticlagoons.net/wp-content/uploads/balloon//2010/04/baloon-NG.pdf|title=The Neva Bay (Russia) – antropogenic lagoon|author=Ryabchuk, D. V.|publisher=All-Russia Research Geological Institute|display-authors=etal|access-date=23 June 2010|archive-date=4 August 2020|archive-url=https://web.archive.org/web/20200804175007/http://balticlagoons.net/wp-content/uploads/balloon//2010/04/baloon-NG.pdf|url-status=live}}</ref><ref>[http://www.edu.joensuu.fi/eno/documents/global4.pdf Water pollution in the hydroelectric power plants area]{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Three of them were catastrophic: on 7 November 1824, when water rose to {{convert|421|cm|in}}; on 23 September 1924 when it reached {{convert|369|cm|in}}, and 10 September 1777 when it rose to {{convert|321|cm|in}}.<ref name="Neva" /> However, a much larger flood of {{convert|760|cm|in}} was described in 1691.<ref name=list>[http://www.nevariver.ru/flood_list.php ПОЛНЫЙ ХРОНОЛОГИЧЕСКИЙ СПИСОК НАВОДНЕНИЙ В САНКТ-ПЕТЕРБУРГЕ (ПЕТРОГРАДЕ, ЛЕНИНГРАДЕ)] {{Webarchive|url=https://web.archive.org/web/20120212084816/http://www.nevariver.ru/flood_list.php |date=12 February 2012 }} – a list of floods in St. Petersburg (in Russian). nevariver.ru</ref>

Besides flooding as a result of tidal waves, in 1903, 1921 and 1956 floods were caused by the melting of snow.<ref>{{cite news|author=Morozova, A.|title=Из-за паводка в Петербурге могут разобрать мост|trans-title=A bridge might be removed in St. Petersburg because of the flood|newspaper=[[Komsomolskaya Pravda]]|url=http://spb.kp.ru/online/news/624216/|date=26 February 2010|access-date=23 June 2010|archive-date=31 March 2018|archive-url=https://web.archive.org/web/20180331040736/https://www.spb.kp.ru/online/news/624216/|url-status=live}}</ref>

{|class="wikitable" style="text-align:center"
 |+ Floods in St. Petersburg
 |width="25%"|[[File:7 ноября 1824 года на площади у Большого театра.jpg|center|170px]]
 |width="25%"|[[File:The Flood in St.Petersburg in 1824. 1820-ies.jpg|center|170px]]
 |width="25%"|[[File:Floods in Saint Petersburg 1903 006.jpg|center|210px]]
 |width="25%"|[[File:Floods in Saint Petersburg 1903 005.jpg|center|210px]]
 |-
 |7 November 1824, in front of [[Bolshoi Kamenny Theatre|Bolshoi Theatre]]
 |7 November 1824
 |[[Sadovaya Street]] near the former Nikolsky Market, 15 November 1903
 |Bolshaya Podyacheskaya Street, 25 November 1903
 |-
 |[[File:Floods in Saint Petersburg 1924 001.jpg|center|200px]]
 |[[File:Floods in Saint Petersburg 1924 003.jpg|center|200px]]
 |[[File:Floods in Saint Petersburg 1967 007.jpg|center|200px]]
 |[[File:Floods in Saint Petersburg 1967 008.jpg|center|200px]]
 |-
 |Boat transportation over [[Vasilievsky Island]] during the flood of 23 September 1924
 |Vladimirsky Avenue after the flood of 1924
 |A pier during the flood of 18 October 1967
 |Near the [[Saint Petersburg Mining Institute|Mining Institute]] on 18 October 1967
 |}