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Therefore, investments, made to avert possible flood damage, might not pay off, even if they are subsidised by central government," explains Johanna Grames.That is why it makes economic sense for central government to provide long-term flood protection.Johanna Grames investigated these questions as part of her Ph D thesis supervised by Prof.
This thesis forms part of the 'Vienna Doctoral Programme on Water Resource Systems', an interdisciplinary doctorate programme led by flood expert Prof. Central government and the economy Mathematical and economic analyses have shown that both central government and the private sector have an important role to play in flood protection: "Companies naturally want to reduce their own risks.
The risk depends on the probability that a dangerous flood occurs, and on the capital that is at risk.
The river was realigned and its conveyance made 930 cumecs.
Hydraulic modeling was performed to determine its 2010 conveyance and calibrated with detailed flood observations from other studies.
And the risk of flooding affects us and our economic decisions.
The complicated interplay of these factors is being investigated at TU Wien.
The models yield a current conveyance of ~430 cumecs, far less than its purported 1971 value, and backflooding is observed behind the Route 50 Bridge and bypass constructed at the downstream end of the artificial channel.
The Ohio Department of Transportation built this bridge, which acts as a dam, partially negating the flood mitigation project.
In prosperous countries in particular, it makes sense for central government to establish the necessary infrastructure for flood protection.
We have an impact on water -- through dams, regulations and agriculture.