GIS for the environment

GIS for the environment

A TopRox Project product · pilot phase

EGIE – an analysis engine for adapting cities to climate risks

Pilot

EGIE takes geographic and climate data about a city, turns it into indicators and applies explainable rules. The result does not just say “there is a risk”: it shows which rule was triggered, on what evidence, against which threshold and with what level of confidence. It is not a single, opaque score: phenomena, evidence and rules stay separate and can be checked.

Workflow:

1. data
2. indicators
3. rules
4. evidence
5. validation
6. report

11 climate rules (R1–R11):

• R1 urban heat
• R2 population exposure
• R3 access to green space
• R4 green space fragmentation
• R5 urban expansion
• R6 green deficit
• R7 tree canopy
• R8 cooling capacity
• R9 urban compactness
• R10 dangerous heat
• R11 flood risk

Status: the rule engine, indicator formulas, spatial tests and report generation have been tested in the lab. Some validation on real data and large-scale validation are still under way during the pilot phase.

Demo report: Sibiu

Period analysed: summer 2025, 1 June – 31 August 2025

A real report generated by EGIE for Sibiu, marked DEMO. It opens in the browser with interactive maps and can be printed to PDF. The report is in English, with a language selector.

Open the demo report (opens in a new tab)

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• Geomorphological analysis

  The shape of the land explains where water collects, where slopes slide and where it is safe to build.

  

  • slope, aspect and hypsometric maps from digital terrain models and LiDAR;
  • mapping of landforms and active processes;
  • morphometric analysis of river basins;
  • support for field studies and technical documentation.

• Floods

  Where floodwater reaches and what is exposed: buildings, roads, networks and people.

  • flood-prone areas, from the digital terrain model and hydrological data;
  • flood scenarios by water level or return period;
  • exposure of buildings, infrastructure and population;
  • stormwater runoff in impervious urban areas.

• Landslides

  Unstable slopes, identified before they affect roads, networks or homes.

  • landslide susceptibility maps from slope, lithology, land use and rainfall;
  • a landslide inventory from orthophotos, LiDAR and field observation;
  • exposed elements: roads, networks, buildings;
  • priority areas for monitoring and intervention.

• GIS for the environment

  The state of the environment, mapped and measured over time, as a basis for permits, monitoring and reporting.

  • maps of habitats, protected areas and sensitive zones;
  • land use and how it changes, from satellite imagery;
  • air, water and soil quality, linked to sources and receptors;
  • mapping support for impact studies and environmental reporting.