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|Title:||Assessing Flood Hazard at River Basin Scale with an Index-Based Approach: The Case of Mouriki, Greece|
|Authors:||PATRIKAKI OLGA; KAZAKIS NERANTZIS; KOUGIAS IOANNIS; PATSIALIS THOMAS; THEODOSSIOU NICOLAOS; VOUDOURIS KONSTANTINOS|
|Citation:||GEOSCIENCES vol. 8 no. 2 p. 50|
|Publisher:||MDPI OPEN ACCESS PUBLISHING|
|Type:||Articles in periodicals and books|
|Abstract:||Defining flood-prone areas is particularly important for policymakers, in order to design mitigation strategies and implement flood risk management planning. The present research applies a multicriteria index method to assess flood hazard areas at a river basin scale, in a geographic information system (GIS) environment. The developed methodology has been applied to an area in northeastern Greece, by processing information of seven parameters: flow accumulation, distance from the drainage network, elevation, land use, rainfall intensity and geology. The method assigns a relative importance to each of the parameters for the occurrence and magnitude of flooding, and the relevant weight values are defined through an “analytical hierarchy process”. Subsequently, and according to the relative importance of each index, the spatial information is superimposed, resulting in a flood hazard map of the studied region, an area in northern Greece. The obtained results indicate flood-prone zones, with a very high flood hazard mainly occurring at the lowlands in the vicinity of the drainage network. The provided flood hazard map supports planning activities and mitigation plans that are crucial to protecting both the agricultural activities and existing infrastructure from future flood events.|
|JRC Directorate:||Energy, Transport and Climate|
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