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CONHAZ Costs of Natural Hazards


Cost assessments of damages of natural hazards supply crucial information to policy development in the fields of natural hazard management and adaptation planning to climate change. Significant diversity exists in methodological approaches and terminology in cost assessments of different natural hazards and in different impacted sectors. ConHaz provides insight into cost assessment methods, which is needed for an integrated planning and overall budgeting, and to prioritise policies. To strengthen the role of cost assessments in natural hazard management and adaptation planning, existing approaches and best practices as well as knowledge gaps are identified. ConHaz has three key objectives:

  • State-of-the-art compilation of methods and terminology as used in European case studies, taking a comprehensive perspective on the costs of natural that includes droughts, floods, storms, and alpine hazards. ConHaz also considers various impacted economic sectors such as housing, industry and transport, and non-economic sectors such as health and nature. It will consider single and multi-hazards, leading to direct, indirect and intangible costs. ConHaz moreover looks at costs and benefits of risk-prevention and emergency response policies.
  • Evaluation of compiled methods. The analysis addresses theoretical issues, such as the principal assumptions that underlie economic valuation of damage types, as well as practical issues, such as the qualifications needed for data collection and quality assurance. ConHaz also looks at the reliability of the end result by considering the accuracy of cost predictions and best-practice-methods of validation. A central issue of the evaluation is to compare available methods with end-user needs.
  • Synthesize the results and give recommendations according to current best practice as well as to resulting research needs.

Project information


Helmholtz-Zentrum Fuer Umweltforschung GMBH-UFZ (DE)


University of Innsbruck (UIBK), Austria; Société de Mathématique Appliquée aux Sciences Sociales (SMASH-CIRED), France; Middlesex University, Flood Hazard Research Centre (MU), UK; German Research Centre for Geosciences (GFZ), Germany; University of Ferrara (UniFe), Italy; Institute of Environmental Science and Technology, Universitat Autònoma de Barcelona (UAB), Spain; Institute for Environmental Studies, Vrije Universiteit Amsterdam (VU), Netherlands

Source of funding

FP 7

Reference information


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