The Global Centre for Risk and Innovation (GCRI)
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Nexus Reports · GCRI · In development
Methods and modelling · Risk management and systemic risk · Research and evidence
The shared mathematical and engineering foundation for every Nexus field: how coupled systems are modelled, tested, validated and explained, so that a flood model, a grid model and a contagion model can be compared and combined honestly. This page shows the series it feeds, the evidence behind it and how to contribute.
The shared mathematical and engineering foundation for every Nexus field: how coupled systems are modelled, tested, validated and explained, so that a flood model, a grid model and a contagion model can be compared and combined honestly.
Drawn from the Baseline Edition 2026 drafts through the systems this area reads. Each opens at its anchor in its edition, with its numbered sources.
Press play to follow the evidence from the systems this area reads to the series it feeds, or select a step.
How Systems Science and Modelling reaches Nexus Reports: what it reads, how it reads it, the sealed cut and the series it feeds.
Systems Science and Modelling reads DSS and Labs: governed sources with their releases, never a value without its source.
The evidence path of Systems Science and Modelling in the pillar lanes, from the Foundry systems it reads to the Reports series it feeds and the authorities that decide.
A teaching model of the evidence path, not a forecast and not a record of any run; the systems, methods and series named come from the registries.
Sources: Systems Science and Modelling in Nexus Reports (2026); Systems Science and Modelling home (2026).
| Series | Foundry systems it draws on | Academy disciplines | Series home |
|---|---|---|---|
| Methods and Technical | GRIx the methods, indicators and validation studies behind each product Labs method comparisons under transparent test conditions NEXQ the fitness record of models and tools the methods use | Quantitative risk analysis and statistics Model risk and validation Risk indicators and composite indices | Open |
| Scenario and Stress-Test | DSS combined scenario sets and the option appraisals run on them GRIx the cascade paths a stress test follows | Scenario analysis and stress testing Uncertainty and decision making Systemic, compound and cascading risk | Open |
Evidence, a case, a correction, a method or profile input on this subject. The composer tags it with this area and its series.
Say what it is, where its record is kept and on which licence. It arrives tagged with this page, its area and its gateway, so it reaches the editor who owns it.
Your email opens with the subject and a template already filled in for GW-GCRI.
Never send personal data or sensitive infrastructure detail. A contribution is reviewed before use; sending it confers no authorship or editorial rights.
How a contribution on this subject is deposited, identified, credited, licensed and found, and the metadata for it prefilled from this page.
Search the open indexes for Systems Science and Modelling; software is cited by its SWHID from Software Heritage. Annotation is your choice: Hypothesis opens this page in its own viewer.
The DOI is canonical. At release each signed bundle is also given an IPFS content identifier and a bloxberg anchor as mirrors; both are listed in the record once they exist. Zenodo exposes every record over OAI-PMH, and reviews and endorsements can arrive through COAR Notify where the repository supports it.
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Nexus Reports is the Consortium's quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
Never send personal data, sensitive infrastructure detail or anything you have no right to share. A contribution is reviewed before use; sending it confers no authorship or editorial rights, and sponsorship never buys a finding.
Every quarter closes on a sealed evidence cut. Contributions received before the cut are reviewed for that edition; later ones wait for the next.
Maps, data and figures on this site are shown for context and general information. They are not advice, forecasts or warnings; the limits of the information are set out in the Disclaimers and Data Notices.