Water risk
Methods for water on the Julia and Python compute planes.
26 capabilities
7 of 26 have a bound kernel or engine. States are shown as the registry records them; a request fails closed wherever an adapter, specialist model or governed data is still missing.
| Method | Capability ID | State | Runs on |
|---|---|---|---|
| Basin Water Balance | risk.capability.water-risk.basin.water.balance.v1 |
Reference implementation | Python · hydrology.water_balance |
| Precipitation Runoff | risk.capability.water-risk.precipitation.runoff.v1 |
Specialist model required | Python · hydrology.rational_runoff |
| Streamflow | risk.capability.water-risk.streamflow.v1 |
Specialist model required | – |
| Groundwater | risk.capability.water-risk.groundwater.v1 |
Specialist model required | – |
| Reservoir Operations | risk.capability.water-risk.reservoir.operations.v1 |
Specialist model required | Python · hydrology.reservoir_balance |
| Water Drought | risk.capability.water-risk.water.drought.v1 |
Specialist model required | Python · water.drought_event_characteristics |
| Flood Hydrology | risk.capability.water-risk.flood.hydrology.v1 |
Specialist model required | Python · hydrology.muskingum |
| Hydraulic Inundation | risk.capability.water-risk.hydraulic.inundation.v1 |
Specialist model required | Python · hydraulics.shallow_water_fv_step |
| Water Quality | risk.capability.water-risk.water.quality.v1 |
Specialist model required | – |
| Contaminant Transport | risk.capability.water-risk.contaminant.transport.v1 |
Specialist model required | – |
| Water Demand | risk.capability.water-risk.water.demand.v1 |
Specialist model required | – |
| Water Scarcity | risk.capability.water-risk.water.scarcity.v1 |
Specialist model required | Python · water.baseline_water_stress |
| Water Access | risk.capability.water-risk.water.access.v1 |
Specialist model required | – |
| Water Affordability | risk.capability.water-risk.water.affordability.v1 |
Specialist model required | – |
| Utility Reliability | risk.capability.water-risk.utility.reliability.v1 |
Specialist model required | – |
| Pipe Network Failure | risk.capability.water-risk.pipe.network.failure.v1 |
Specialist model required | – |
| Wastewater | risk.capability.water-risk.wastewater.v1 |
Specialist model required | – |
| Sanitation | risk.capability.water-risk.sanitation.v1 |
Specialist model required | – |
| Agricultural Water | risk.capability.water-risk.agricultural.water.v1 |
Specialist model required | – |
| Industrial Water | risk.capability.water-risk.industrial.water.v1 |
Specialist model required | – |
| Ecosystem Flow | risk.capability.water-risk.ecosystem.flow.v1 |
Specialist model required | – |
| Transboundary Water Dependency | risk.capability.water-risk.transboundary.water.dependency.v1 |
Specialist model required | – |
| Water Energy Nexus | risk.capability.water-risk.water.energy.nexus.v1 |
Specialist model required | – |
| Water Food Nexus | risk.capability.water-risk.water.food.nexus.v1 |
Specialist model required | – |
| Water Health Risk | risk.capability.water-risk.water.health.risk.v1 |
Specialist model required | – |
| Climate Water Scenario | risk.capability.water-risk.climate.water.scenario.v1 |
Specialist model required | – |
Methods, data and supports
- Method families
- scientific simulation, time series, extreme value, spatial statistics, optimisation, system dynamics
- Domains
- water
- Compute planes
- Julia, Python
- Source classes
- hydrology, meteorology, groundwater, utility, water-quality, eo
- Spatial supports
- basin, river, network, grid, facility
- Temporal supports
- hourly, daily, seasonal, scenario
Propose a method
New methods are registered with a stable ID and a hand-derived golden test.
Hali
The methodology, structure and definitions of The Global Risks Index are a preparatory working draft (2026), circulated for review and comment and not for implementation. No value appears until an edition is released from a governed evidence cut; values then carry intervals, classes, sources and their correction pathway. Simulators run the published methods on numbers you choose and never show a NXS-GRX value.
NXS-GRX si nini
NXS-GRX ni taarifa ya utafiti na uchambuzi wa hatari. Si daraja la mikopo wala la ESG na haitumii kipimo chochote cha daraja, si kigezo cha vyombo vya fedha, si takwimu rasmi, si onyo la dharura wala uainishaji rasmi, na si ushauri. Haipaswi kutumiwa kutathmini watu binafsi. Madaraja ya hatari ni mikanda kwenye kipimo kilichochapishwa, kamwe si mpangilio wa nchi au watu.
Taasisi na vyanzo
The Nexus Consortium is stewarded by three independent not-for-profit institutions: The Global Centre for Risk and Innovation (GCRI), through GCRI US in Washington, DC and GCRI Canada in Ontario, with GCRI Canada as Lead Institution, Consortium Secretariat and lead contracting organisation; The Global Risks Forum (GRF); and The Global Risks Alliance (GRA). Technology, infrastructure and service providers work with the Consortium at arm’s length under written agreements, like every other external party in the public-private-planet model, and hold no role in its stewardship.
Every value carries the attribution of its sources, which keep their own licences. External names are cited for interoperability only. Nexus-authored text is intended for CC BY 4.0 on release.
Avis en français
La méthodologie et les définitions du NXS-GRX sont un projet de travail préparatoire (2026). Le NXS-GRX est une information de recherche et d’analyse des risques : ni notation, ni indice de référence financier, ni statistique officielle, ni alerte, ni conseil. Les classes de risque sont des bandes sur une échelle publiée, non des classements.