DEM-EO (Democratization of Earth Observation) is a project funded by the Italian Space Agency aimed at developing an integrated, modular, and scalable web-based platform for environmental monitoring, territorial analysis, and infrastructure risk assessment through the use of Earth Observation (EO) technologies.
The platform is conceived as an operational hub capable of integrating multi-mission satellite data, advanced geospatial processing services, GIS technologies, and environmental information within a unified digital environment. DEM-EO supports both technical users and non-specialists, simplifying access to EO data, processing workflows, and analytical products through intuitive interfaces, automated services, and dedicated training and support modules.
The project focuses on Ground Motion and territorial monitoring applications, supporting activities related to hydrogeological risk assessment, infrastructure stability monitoring, environmental analysis, river and floodplain monitoring, and climate-related territorial observation.
Hydrogeological instability, flood events, subsidence, ground deformation, and environmental changes increasingly affect infrastructure, hydraulic systems, and ecosystems across Italian territories and, in particular, along the Po River basin.
The project responds to the need for a more integrated and accessible monitoring approach, capable of combining large-scale satellite analysis, continuous environmental observation, and detailed territorial visualization within a single operational environment.
The platform supports river and floodplain monitoring, ground deformation analysis, hydraulic and environmental assessment, vegetation and climate monitoring, and large-scale territorial analysis through integrated GIS layers and satellite data.
Figure 1. DEM-EO platform interface showing aggregated time series of 520 points in the EGMS layer.
Figure 2. DEM-EO platform interface showing the river Digital Terrain Model (LiDAR) combined with master embankments and Sentinel-1 ascending InSAR data (2023-2026).
The DEM-EO platform combines multi-mission Earth Observation data, advanced geospatial processing methodologies, and interactive GIS technologies within a modular web architecture.
A-DInSAR methodologies are used for the detection and monitoring of millimetric ground and infrastructure displacements through multi-temporal satellite radar analysis. The methodology supports high spatial and temporal resolution analysis and integrates directly into GIS environments.
PhotoMonitoring™, developed by NHAZCA, combines optical, multispectral, hyperspectral, aerial, drone, and satellite imagery to support territorial monitoring activities, environmental assessment, and change detection.
The platform integrates satellite imagery, LiDAR and DTM elevation models, hydraulic and floodplain layers, river network and embankment datasets, climate and rainfall information, vegetation and water indices such as NDWI and EVI, and temporal change detection products within an interactive GIS environment.
The platform architecture includes satellite image acquisition workflows, automated data processing, multi-level visualization, generation of ready-to-use analytical products, and optional validation and support activities for end users.
Figure 3. DEM-EO platform interface showing SSIM change detection for Parma 29.09.2025 – 08.11.2025.
