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Title: FLOOD DAMAGE ESTIMATION BASED ON FLOOD SIMULATION SCENARIOS AND A GIS PLATFORM

Author: A. Pistrika

Year: 2009

Publisher: European Water Resources Association (EWRA)

Description:

The objective of this paper is to improve the insight in the economic estimation of direct damage due to flooding by analysing the direct flood damage to built-up areas and agricultural areas. Depth-damage functions are constructed in a stepwise fashion that allows them to be as fined or descriptive as required. The paper presents also a tool, developed in GIS environment that uses the locally developed depth-damage functions for the estimation of direct flood damage. The usefulness of the tool is demonstrated by estimating expected flood damage over several land-use categories under specified flood simulation scenarios in a case study located in Erasinos Basin within Eastern Attica Prefecture. The visualisation of the analysis results in GIS environment allows the identification of flood-prone areas and provides an indication of the expected spatial distribution of damages for the specified flood scenarios. These findings aim to support policy- and decision- making in the context of flood risk management, spatial planning, and further economic development.