MATRIX Reference Reports

Aspinall, W., Bengoubou-Valerius, M., Desramaut, N., Komendantova, N. ORCID: https://orcid.org/0000-0003-2568-6179, Patt, A., & Scolobig, A. (2014). MATRIX Reference Reports. Scientific Technical Report 14/13, FP7 MATRIX Project - New Multi-Hazard and Multi-Risk Assessment Methods for Europe (August 2014) 10.2312/GFZ.b103-14137.

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Abstract

The Multi-HAzard and MulTi-RIsK Assessment MethodS for Europe or MATRIX project (01.10.2010 to 31.12.2013), coordinated by the GFZ, set out to tackle some of the issues associated with multi-hazard and risk assessment. Disaster risk reduction (DDR) activities generally treat different natural hazards and their associated risks separately within what may be termed a "single-type" approach. However, this ignores the spatial and temporal interactions that often arise along the disaster risk chain. For instance, one hazardous event may trigger others, e.g., earthquakes causing tsunamis, or several different types may occur concurrently, e.g., severe weather and earthquakes. Considering vulnerability, an initial event would leave a community more susceptible to future, possibly different, hazards, e.g., an earthquake weakening buildings which are damaged further by windstorms. The temporal dimension may include changes in exposure, e.g., increased urbanisation, altering the total risk to an area, while repeated events lessen a community's resilience. Meanwhile, although losses are estimated by usually only considering direct economic losses or casualties, this ignores less tangible losses such as reduced business activity or the loss of cultural heritage. In short, the total risk estimated when incorporating interactions between multiple hazards and risks is likely to be greater than the sum of the individual parts.

Hence, for a more comprehensive risk assessment paradigm, these, and other, interactions need to be considered. Therefore, MATRIX set out to develop concepts, methods, frameworks and tools for dealing with risk assessment within a multi-hazard and risk environment. The focus was on the hazards that most affect Europe, namely earthquakes, landslides, volcanos, tsunamis, wild fires, storms and fluvial and coastal flooding. Interactions at all the different levels were considered, such as cascading events and time dependency in vulnerability. The resulting products were applied at three test cases: Naples, Italy, the French West Indies, and Cologne, Germany. Considerable interaction with end-users was also undertaken, including identifying biases at the individual and institutional level which may hinder employing a multi-type framework for risk governance.

This Scientific Technical Report presents two so-called "Reference reports" produced during the MATRIX project. These reports were provided to the European Commission as deliverables, namely D8.4 "MATRIX Results I and Reference Report" and D8.5 "MATRIX Results II and Reference Report". D8.4 presented a series of specific reports outlining the results of the project, written in a manner accessible not only to the specialist but with a broader audience in mind. D8.5 deals with the risk governance within a multi-hazard and risk context and has since been published. We therefore divide with document in two, where part 1 represented the outcomes presented in D8.4 while D8.5 forms part 2.

We believe the MATRIX project was a very important step towards the goal of establishing the multi-hazard and risk environment as the norm within a European context, and we hope that the reader will benefit from the results presented here.

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