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Climada stands for climate adaptation and is a probabilistic natural catastrophe damage model, that also calculates averted damage (benefit) thanks to adaptation measures of any kind (from grey to green infrastructure, behavioural, etc.). It is an open source natural catastrophe model, that implements the Economics of Climate Adaptation methodology, which enables climate-resilient development for cities, regions and countries. ECA seeks to answer the following questions of national and local decision-makers: 

  • What is the potential climate-related loss to the economies and societies over the coming decades? 
  • How much of that loss can we avert, with what measures?
  • What investments will be required to fund those measures and will the benefits of that investment outweigh the costs?


Climada is based on four elements:

  1. Assets (i.e. geographical distribution of people, houses, activities, public infrastructure, ...)
  2. Damage functions (relating impact to economic consequence - or any other pertinent metric, like people affected)
  3. Hazards (currently implemented are: tropical cyclones, storm surge, torrential rain, earthquake, volcano and meteorites on a global yet local (1km) resolution, plus winter storm in Europe and flood and mudslides in experimental stage)
  4. Adaptation measures (i.e. improved building codes, seawall, sandbags, reefs, mangroves).

Reference information

David N. Bresch

Published in Climate-ADAPT Feb 20 2017   -   Last Modified in Climate-ADAPT Nov 01 2022

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