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Article | REF: E4312 V1

GEOLIDAR for the study of surfaces, the biosphere and the hydrosphere

Author: Pierre H. FLAMANT

Publication date: May 10, 2011

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2. Topographic Lidar

2.1 Targets

Soils and built-up surfaces (concrete, bricks, asphalt, etc.) are diffuse and/or specular hard-surface targets impenetrable to laser radiation, absorbing part of the incident radiation and reflecting the rest back into the half-plane ( 4 ). The scattered fraction determines the albedo (or reflectance): 0 ≤ ρ c ≤ 1. 4 illustrates the different types of reflection:

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