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The Wivenhoe Dam was built approximately 80 km upstream from Brisbane after the 1974 floods. As a result of the flood, planning for the Wivenhoe Dam included flood mitigation as well as its original water supply purpose. [26] The flood was a defining event for a generation of Brisbane residents. [27]
[1]: 7.34 The 2011 Brisbane Flood Flag Map indicates that areas adjacent to the Corinda landslip are prone to flooding in the future, [5] and the CSIRO has warned that, with global warming, extreme weather events such as the rainfall event which triggered the 1974 Corinda landslip are likely to become more frequent. [6]
A record strong monsoon gave an average rainfall over Australia of 231.69 millimetres (9.12 in), which beat the previous record by 105.11 millimetres (4.14 in), [1] resulting in the heaviest flood of Lake Eyre for at least 500 years. [2] January 1974 is also the wettest month since before 1900 over the following sub-regions of Australia:
27 January 1974, the largest flood to affect Brisbane City in the 20th Century, with a level of 5.45 metres; Post construction of Wivenhoe Dam 11 January 2011 with a level of 4.45 metres [66] 28 February 2022, 4.0m flood peak; Flooding along the Brisbane River has the potential to be devastating, as documented in 1974, 2011 and 2022. [67]
English: Aerial view of Brisbane City during the 1974 flood, January 1974, looking NE along Mary and Margaret Streets towards the Brisbane River with Kangaroo Point and the Story Bridge in the background. The Parkroyal Motor Inn is visible on the far right of the photo (now known as Royal on the Park).
Significant flooding occurred along the creek during the major floods, including 1893 and 1974 Brisbane flood resulting in a number of houses being washed away. [ citation needed ] Flooding around Enoggera Creek, Windsor, 1893
1974 Flood: Brisbane flood: 16 980,000,000 AUD 1974 Cyclone: Cyclone Tracy: 71 645,350,000 USD (1974) Cyclone Tracy destroys the city of Darwin on Christmas Day 1974. Top wind gust recorded was 217 kilometres per hour (135 mph). [52]
1974 Brisbane flood; 2010–2011 Queensland floods; B. Bridges over the Brisbane River This page was last edited on 6 October 2024, at 21:04 (UTC). Text is ...