Environmental Risk Assessment of Shipwrecks: a fault-tree model to assess probability of contaminant release
Conference poster, 2012

RP247 Environmental risk assessment for shipwrecks: a fault-tree model to assess probability of contaminant release H. Landquist, I. Hassellov, Chalmers University of Technology / Shipping and Marine Technology; L. Rosen, Chalmers University of Technology / Civil and Environmental Engineering; F. Lindgren, Chalmers University of Technology / Shipping and Marine Technology; I. Dahllof, The University of Gothenburg; T. Norberg, Chalmers University of Technology / Mathematical Sciences; A. Lindhe, Chalmers University of Technology / Civil and Environmental Engineering. Shipwrecks lying on the sea floor around the world may contain hazardous substances which can cause harm to the maritime environment. Today there are no comprehensive methods for environmental risk assessment of shipwrecks and thus there is poor support for decision-making on prioritisation of mitigation measures. The purpose of this study has been to develop a framework for risk assessment of potentially polluting shipwrecks, focusing on a detailed probabilistic assessment of the release of hazardous substances. The framework is based on international standards for risk management and the assessment of the probability for release was done using fault-tree analysis. This approach enables a structure assessment and provides an excellent possibility of uncertainty and sensitivity analysis. The fault tree model was tested by groups of experts in the field of maritime administration, maritime archaeology and in other areas to validate the method. The developed framework facilitates risk assessment of potentially polluting shipwrecks and can support risk management as well as provide well founded input for decision-making. In particular the fault-tree analysis provides a quantitative method for assessing the probability of leakage and can facilitate uncertainty and sensitivity analyses.

Author

Hanna Landquist

Chalmers, Shipping and Marine Technology, Division of Maritime Operations

Lars Rosen

Chalmers, Civil and Environmental Engineering, GeoEngineering

FRIST competence centre

Ida-Maja Hassellöv

Chalmers, Shipping and Marine Technology, Division of Maritime Operations

Fredrik Lindgren

Chalmers, Shipping and Marine Technology, Division of Maritime Operations

Tommy Norberg

Chalmers, Mathematical Sciences

University of Gothenburg

Andreas Lindhe

DRICKS - Framework programme for drinking water research at Chalmers

Chalmers, Civil and Environmental Engineering, GeoEngineering

SETAC North America 33rd Annual Meeting

Driving Forces

Sustainable development

Areas of Advance

Transport

Building Futures (2010-2018)

Subject Categories

Earth and Related Environmental Sciences

More information

Created

10/8/2017