The algorithms used to produce the hazard indicator datasets use the OS Climate methodology described at https://physrisk.readthedocs.io/en/latest/index.html with the methodology for specific indicators being described in detail in the application user interface.
The CWL workflow scripts underpinning the application can be found in our public GitHub repository. These include:
A user guide for the application with further details is available at https://sparkgeo.github.io/uk_eodatahub/