Abstract
Abstract. Fostered by and embedded in the general development of information and communications technology (ICT), the evolution of tsunami warning systems (TWS) shows a significant development from seismic-centred to multi-sensor system architectures using additional sensors (e.g. tide gauges and buoys) for the detection of tsunami waves in the ocean. Currently, the beginning implementation of regional tsunami warning infrastructures indicates a new phase in the development of TWS. A new generation of TWS should not only be able to realise multi-sensor monitoring for tsunami detection. Moreover, these systems have to be capable to form a collaborative communication infrastructure of distributed tsunami warning systems in order to implement regional, ocean-wide monitoring and warning strategies. In the context of the development of the German Indonesian Tsunami Early Warning System (GITEWS) and in the EU-funded FP6 project Distant Early Warning System (DEWS), a service platform for both sensor integration and warning dissemination has been newly developed and demonstrated. In particular, standards of the Open Geospatial Consortium (OGC) and the Organization for the Advancement of Structured Information Standards (OASIS) have been successfully incorporated. In the FP7 project Collaborative, Complex and Critical Decision-Support in Evolving Crises (TRIDEC), new developments in ICT (e.g. complex event processing (CEP) and event-driven architecture (EDA)) are used to extend the existing platform to realise a component-based technology framework for building distributed tsunami warning systems.
Highlights
The Boxing Day Tsunami in 2004 triggered various international efforts focused on tsunami early warning for the Indian Ocean Basin
The warning system architecture has been addressed in two complementary projects: firstly, German Indonesian Tsunami Early Warning System (GITEWS), funded by the German Federal Ministry of Education and Research BMBF, and, secondly, Distant Early Warning System (DEWS), a European project co-funded under FP6
The information flow between national tsunami early warning systems (TWS) in the Indian Ocean Basin (i.e. Indonesia, Thailand, and Sri Lanka) has been analysed and a basic concept for a wide area warning centre communication has been developed. Both projects delivered contributions for the drafting and promotion of an initial concept for a service platform for TWS and developed a set of modules for the construction of warning centres in general. These results provided substantial input for TRIDEC focusing on new concepts of information and communications technology (ICT) for real-time intelligent information management in Earth management
Summary
The Boxing Day Tsunami in 2004 triggered various international efforts focused on tsunami early warning for the Indian Ocean Basin. The information flow between national TWS in the Indian Ocean Basin (i.e. Indonesia, Thailand, and Sri Lanka) has been analysed and a basic concept for a wide area warning centre communication has been developed Both projects delivered contributions for the drafting and promotion of an initial concept for a service platform for TWS and developed a set of modules for the construction of warning centres in general. These results provided substantial input for TRIDEC focusing on new concepts of ICT for real-time intelligent information management in Earth management. The paper concludes with an overview about future challenges for tsunami warning system technology
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