Rosielle Souza Pegado University of applied sciences, Germany [email protected].
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Transcript of Rosielle Souza Pegado University of applied sciences, Germany [email protected].
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The DPSIR framework in analyzing and addressing floodThe case of Belém / Pará / Brazil.
Figura 01: Location of City the Belém-Pará-Brazil
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Figure 02,a: As Belém is located at the bordes of river.
Figure 02,b: Simulation the river level 4 meters above than the actual level
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Figure 04: Flooding event in Belém_PASource(Sadeck, 2011, Pegado 2011 e 0 Liberal 2011).
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The DPSIR model was created by European Environmental Agency (EEA)
Figure 05: The DPSIR framework, in a decisional context. Source: Giupponi, 2009.
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Driving force- Are Indirect causes
Belém cityHydrologic cycle
Source: (FARIAS, 2011).
Population growth
• 1.400.000,00 Source: (IBGE/IDESP, 2012).
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The pressures are direct causes
The first track 1 should not have habitation, the second can with average risk and third is permitted for habitation.
Pressures
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StateThe pressure cause a state
• Flood area: problems for rivers runoff, topography, water level, tidal regime the presence of houses along the rivers make difficult the flow of the river
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Impact – generate lossesVulnerability:
Leaving the city vulnerable to floodingIn figure have several points of flooding.
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IMPACTS
ENVIRONMENTALQUALITY
FEE
DB
AC
K
Policy Maker
For the reason, it is necessary to Analise the factors through the DPSIRModels and obtain an answer to this impact, considering the environmental quality.
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Response
• Then, the response to the flood problem should be ➢ Flood control measures; ➢ Structural measures; ➢ Non-structural measures; ➢ Economic evaluation measures for flood.
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• The results indicated that the main indicators are:
Force: geography and geomorphologia locatian, urban expasian.
These elements generate as pressure and state flooding and material and human losses.
The better response are engineering woks and preparation of a Master Plan.
The model concluded that Belém has high vulnerability and risk of flooding.
CONCLUSIONS
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Thank You !!!!!