What were the effects of the floods on the Brisbane community?
Approximately 3,570 business premises were inundated, and commercial losses of approximately $4 billion were reported across the mining, agriculture and tourism sectors. Over 19,000 kilometres of roads were damaged, around 28 percent of the Queensland rail network damaged and three major ports significantly impacted.
How did the 2011 Brisbane floods affect the environment?
For example, after the 2011 Queensland, Australia floods, thousands of animals died as a result of water inundating their habitats. Furthermore, livestock unable to relocate to higher ground in time were washed away by flood waters or forced to stand in polluted water until rescued.
What caused the Brisbane floods?
The floods were caused by heavy rain from tropical cyclone “Tasha” that joined with a trough during a La Niña event. La Niña is an unusual weather pattern, which brings wet weather to eastern Australia. This caused heavy rainfall across Queensland.
How does flood in urban areas affect life?
Urban Floods and Ponding High intensity rainfall overwhelms sewage and drainage within cities and neighborhoods, filling the streets in a dangerous mix of sewage and floodwater. Urban flooding is a slower process that hinders transportation and may damage daily activities but rarely results in deaths.
What are the long term effects of a flood?
Most long-term studies investigated the psychological impacts of flooding, including PTSD, depression, anxiety, psychiatric disorders, sleep disorder and suicide. Others investigated the physiological impacts, including health-related quality of life, acute myocardial infarction, chronic diseases, and malnutrition.
Why does Brisbane flood?
A slow moving rain depression dumped huge amounts of rain, flooding local creeks and the Bremer River tributary upstream in Ipswich. Brisbane experienced three separate intense rain events, with record rain of 600 mm falling over three days.
How many times has Brisbane flooded?
Since European settlement there have been major floods in the following years: January 1841, March 1890, February 1893, February 1931, January 1974 and most currently January 2011 (view this timeline of the Brisbane River).
What caused the Brisbane floods 2011?
What is the impact of floods on the environment?
Floods have significant consequences for the environment They link the river with the land surrounding it, recharge groundwater systems, fill wetlands, increase the connectivity between aquatic habitats, and move both sediment and nutrients around the landscape, and into the marine environment.