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Flood footprint assessment: a new approach for flood-induced indirect economic impact measurement and post-flood recovery

Zeng, Z., Guan, D., Steenge, A. E., Xia, Y. & Mendoza-Tinoco, D., Dec-2019, In : Journal of Hydrology. 579, 14 p., 124204.

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  • Flood footprint assessment: a new approach for flood-induced indirect economic impact measurement

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Flooding in one location can impact the entire production chain of a regional economy. Neglecting the knock-on costs of this risks ignoring the economic benefits and beneficiaries of flood risk management interventions. However, economic consequence assessments in the existing studies are restricted to direct economic impact as there is not a generally accepted quantitative method to assess indirect economic impacts. This paper presents the full methodology for a novel flood footprint accounting framework – the Flood Footprint Model – to assess the indirect economic impact of a flood event and simulate post-flood economic recovery situations throughout productions supply chains. Within the framework of Input-Output (IO) analysis, the model is built upon previous contributions, with improvements regarding the optimization of available production imbalances; the requirements for recovering damaged capital; and an optimized rationing scheme, including basic demand and reconstruction requirements. The Flood Footprint Model will be applied in a hypothetical example with an extensive sensitivity analysis of the Flood Footprint Model performed, taking particular account of alternative labour and capital recovery paths.

Original languageEnglish
Article number124204
Number of pages14
JournalJournal of Hydrology
Volume579
Early online date11-Oct-2019
Publication statusPublished - Dec-2019

    Keywords

  • Flood footprint model, Indirect economic impact accounting, Input-Output analysis, Post-flood recovery simulation, INPUT-OUTPUT, NATURAL DISASTERS, MODEL, VULNERABILITY

ID: 100071963