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terrain
Definição1
The surface of the Earth containing naturally occurring features such as mountains, hills, ridges, valleys, bodies of water, permanent ice and snow, excluding obstacles.
Fonte1
INTERNATIONAL CIVIL AVIATION ORGANIZATION. International civil aviation vocabulary. 3rd ed. Montreal, 2007. (Doc. 9713)
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of civil aviation medicine. 3rd ed. Montreal, 2012. (Doc. 8984 AN/895).
Nota Adicional1
In practical terms depending on the method of data collection, terrain represents the continuous surface that exists between the bare Earth and the top of the canopy (or something in between also known as "first reflective surface").
Nota Adicional2
Information regarding this term is a result of researches developed by DECEA in cooperation with ANAC.
Contexto
The area of an airport, including adjacent terrain and facilities and their accesses, where movement takes place and access is controlled.
Subárea
Aeronautical Cartography
Français
terrain