A survey of GEOINT science, current applications, future trends, limitations and excitements.
Data Source | Unique Characteristic | Spatial Fidelity (Resolution) | Temporal Fidelity (Revisit Rate) | Area Coverage & Scale |
---|---|---|---|---|
Optical Satellites (Multispectral) | Broad spectral bands optimized for general land cover classification | 🟢🟢🟢🟡 | 🟢🟢🟡 | 🟢🟢🟢🟡 |
Optical Satellites (Hyperspectral) | Hundreds of narrow spectral bands enabling precise material identification | 🟢🟢 | 🟢🟢🟡 | 🟢🟢🟡 |
Thermal Infrared Satellites | Day/night temperature sensing capability, penetrates through smoke | 🟢🟢🟡 | 🟢🟢🟡 | 🟢🟢🟢 |
SAR Satellites | All-weather, day/night imaging capability, penetrates clouds | 🟢🟢🟡 | 🟢🟢🟢🟡 | 🟢🟢🟢🟡 |
LiDAR Satellites | Precise 3D elevation mapping, can penetrate vegetation canopy | 🟢🟢🟢 | 🟢🟡 | 🟢🟢🟡 |
Drones/UAVs | Highly flexible payload swapping and mission-specific sensor configuration | 🟢🟢🟢🟢 | 🟢🟢🟢🟡 | 🟢 |
IoT & Mobile Sensors | Real-time streaming data with high temporal frequency but point-specific measurements | 🟢🟢🟡🟡 | 🟢🟢🟢🟢 | 🟢🟡🟡 |
Ground Truth / VGI | Highest spatial accuracy with local context, but spatially biased distribution | 🟢🟢🟢🟢 | 🟢🟡 | 🟢🟡 |
Sector | GEOINT Contribution | Illustration |
---|---|---|
Defence & National Security | Target discovery, activity-based intelligence, mission rehearsal | 3-D modelling of Bin Laden compound aided SEAL Team 6 planning |
Emergency Response | Damage assessment, route clearance, resource staging | GIS slashed flood-response times in Vermont |
Transportation & Daily Commute | Real-time traffic prediction, ITS optimisation | GPS + GIS outperformed shortest-path models for Auckland commuters |
Infrastructure & Asset Management | Satellite-based deformation, vegetation encroachment alerts | Power-grid operators cut field inspections via SatEO analytics |
Precision Agriculture | Variable-rate inputs, yield forecasting | GIS-enabled farms gain 10–20% yield uplift |
Urban Planning & Smart Cities | Land-use simulation, heat-island mitigation, digital twins | GeoAI zoning optimises Singapore‐style smart-city growth |
Logistics & Supply Chain | Route optimisation, port congestion insight | GIS reduced freight fuel costs by 15–20% |
Environmental & Climate Services | Carbon-flux mapping, wildfire risk, biodiversity tracking | GIS supports global CO₂ hotspot analysis from OCO-2 data |
Commercial Markets & Insurance | Property risk scoring, retail footfall analytics | Commercial GEOINT market projected at $64B by 2030 |
GeoAI & Real-Time Edge GEOINT
Quantum-Enabled Spatial Analytics
Immersive & 4-D GEOINT
Responsible & Secure GEOINT