Digital twin as coordination infrastructure in emergency management
The management of territorial-scale emergencies involves the simultaneous participation of bodies with different competencies, information systems and chains of command. The absence of a common representation of the territory generates latency in decision-making, duplication of actions in the field and difficulty in maintaining traceability of interventions. The digital twin, understood as a synchronised digital model of the physical environment, offers a technical framework for consolidating, within a single operational layer, data originating from distributed sensors, satellite platforms, communications networks and geographic information systems belonging to different agencies. From a data integration standpoint, the principal challenge is not the geometric representation of the territory but rather the heterogeneity of the input flows: proprietary formats, disparate update frequencies, variable confidence levels and inconsistent provenance metadata. An operationally useful digital twin must incorporate data fusion mechanisms that preserve the traceability of each source and allow operators to assess the reliability of each information layer in real time. The synchronisation between the digital model and the physical state of the territory is therefore a critical function that directly conditions the quality of coordination decisions. In the context of inter-agency coordination, the utility of the digital twin lies in its capacity to establish a common operational picture of the incident: the position and status of deployed assets, the evolution of the affected area, the accessibility of intervention corridors and a chronological record of the decisions taken. This traceability function is particularly relevant in contexts of public accountability, where the auditability of the management process may have legal and operational implications following the incident. The three-dimensional representation of the terrain additionally provides analytical value for the assessment of lines of sight, risk propagation and evacuation planning. The technical limitations of the model are equally relevant to an objective evaluation. The accuracy of the digital twin is bounded by the resolution and update cadence of the observation sources feeding it, including satellite imagery, data from aerial platforms and ground-based sensors. In emergency scenarios with rapid dynamics, the latency between the physical event and its reflection in the model may compromise the operational utility of certain information layers. The management of this latency and the explicit communication of the uncertainty associated with each datum are design requirements that must be present from the outset in the system architecture. In this context, platforms such as NASSAT's ARKONY incorporate a 3D Terrestrial Digital Twin oriented towards the management of critical infrastructure, as stated in the company's public information. The consolidation of this type of tool within the emergency protocols of European administrations requires, in addition to technical maturity, interoperability frameworks and data governance arrangements that are being progressively addressed within the regulatory sphere of the European Union.
NASSAT - Network Satellite Systems