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Environmental Protection

LiDAR technology serves as a powerful tool for large-scale, precise monitoring and assessment of natural resources and ecological changes

Within the environmental protection domain, LiDAR technology functions as a potent enabler for large - scale, precise monitoring and evaluation of natural resources and ecological variations. It facilitates non - intrusive data acquisition across extensive and frequently inaccessible regions, underpinning critical initiatives in climate research, pollution monitoring, biodiversity conservation, and natural disaster management.

Principles

The technology operates by emitting laser pulses from airborne (aircraft - or drone - mounted) or terrestrial platforms. These pulses penetrate vegetation canopies and reflect from the ground, water surfaces, or atmospheric particles. Through precise measurement of the return time and intensity of each echo, LiDAR generates detailed three - dimensional datasets, which can depict forest structure, topographic elevation, aerosol density, or water depth, thereby constructing multi - layered digital models of the environment.

Functions

Key applications include creating high-resolution digital elevation models (DEMs) to monitor erosion, landslides, and flood risks; measuring forest biomass and carbon stocks for climate change mitigation; mapping coastal and wetland topography to assess sea-level rise impact; monitoring air quality by detecting and quantifying atmospheric pollutants like dust and smoke plumes; and tracking changes in glacier volume and ice sheet dynamics.

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