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Flood risk mitigation in developing countries: deriving accurate topographic data for remote areas under severe time and economic constraints
Author(s) -
Domeneghetti A.,
Gandolfi S.,
Castellarin A.,
Brandimarte L.,
Di Baldassarre G.,
Barbarella M.,
Brath A.
Publication year - 2015
Publication title -
journal of flood risk management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.049
H-Index - 36
ISSN - 1753-318X
DOI - 10.1111/jfr3.12095
Subject(s) - flood myth , environmental science , water resource management , environmental resource management , geography , hydrology (agriculture) , remote sensing , geology , archaeology , geotechnical engineering
I sla H ispaniola, the island shared by H aiti and the D ominican R epublic, has repeatedly witnessed catastrophic disasters that caused dramatic economic losses and killed thousands of people over the last decades. One striking example is the disastrous flood event that hit the transnational basin of R iver S oliette on 24 M ay 2004. The event resulted from a severe tropical storm and killed over 1000 H aitian and 400 D ominican people. In the context of an I nternational C ooperation I nitiative, the U niversity of B ologna led several activities in the fields of flood risk assessment, management and mitigation, and sustainable development planning for the S oliette river basin. This paper presents new techniques for a timely assessment of flood risk in data‐scarce and remote areas in developing countries showing in particular: (1) G lobal N avigation S atellite S ystem ( GNSS )‐based topographic survey of the S oliette riverbed, carried out under urgent temporal, logistical and technical constraints, and (2) some possible utilisations of the collected topographic data for the identification of structural and non‐structural flood risk mitigation measures. The analysis enabled us to set and test a GNSS ‐based technique for fast, reliable and detailed topographic surveys in remote regions, which represents a valid option for similar areas with limited accessibility in emerging and developing countries.

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