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The process of reconstruction and recovery following a disaster is complex and requires timely, accurate, and comprehensive data. Geoinformatics plays a significant role in providing this data, enabling decision-makers to plan, implement, and monitor recovery activities effectively. The data requirements for reconstruction and recovery span across various domains such as infrastructure, environment, population, and socio-economic aspects. These datasets, when integrated through Geographic Information Systems (GIS), Remote Sensing (RS), and Global Positioning System (GPS), support a structured and evidence-based approach to recovery. Data for reconstruction and recovery can be categorized into spatial, non-spatial, and temporal data. Spatial data refers to the geographical location and distribution of physical and social infrastructure, while non-spatial data includes demographic, socio-economic, and institutional details. Temporal data captures changes over time and helps in monitoring the progress of recovery operations. One of the primary data requirements is baseline or pre-disaster data. This includes topographic maps, cadastral maps, land use and land cover data, and infrastructure details such as transportation networks, utility lines, and building footprints. These datasets act as a reference to compare pre- and post-disaster conditions and assess the extent of damage. High-resolution satellite images and aerial photographs are essential to understand the pre-existing landscape and urban structure. Digital Elevation Models (DEMs) are also required for understanding terrain characteristics, drainage patterns, and slope stability, which are vital for reconstruction planning. Post-disaster assessment data is another critical component. This includes damage assessment data that identifies the extent and severity of damage to housing, public buildings, roads, bridges, water supply systems, power lines, and telecommunication networks. Remote sensing images acquired _____ ______ ____ _______ _____ _______ __________ ______ _______.
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