Service
Flood, climate and environmental risk
Before you buy land, plan a programme or insure an asset, it helps to know where water goes and what sits in its way. I map that from satellite data and say how far the map can be trusted.
What you get
- Flood susceptibility maps built from terrain, rainfall, land cover, soil and drainage.
- Flood extent for past events, mapped from Sentinel-1 radar.
- Exposure counts: people, schools, health facilities and roads in each risk tier.
- Rainfall analysis, including near-real-time rainfall from NASA GPM IMERG.
- Environmental change over time: vegetation loss, land conversion and urban growth.
Who it's for
Developers and investors screening sites, insurers, emergency planners, NGOs and government agencies.
How it works
- QuestionArea and the decision at stake
- RecordPast floods from radar, plus conditioning factors
- ModelSusceptibility and exposure
- ValidateSpatial cross-validation
- DeliverMaps, exposure tables and stated limits
Questions clients ask
Is a susceptibility map a flood forecast?
No. It shows where conditions make flooding more likely, not when a flood will happen.
How reliable are these maps?
It depends on the area and the data. GeoAID scored about 0.642 under spatial cross-validation, which suits screening rather than decisions about a single plot. Every map I deliver comes with that kind of number and what it means.
Can you do this for a site outside Lagos?
Yes. The satellite inputs cover Nigeria, Africa and most of the world. The model is rebuilt and validated for each new area.
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