FORESTRY
GENERAL FORESTRY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The oldest and most common method of remote sensing used in forestry is:
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aerial photography
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electromagnetic radiation
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ground cruise
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thermal scan
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Explanation:
Detailed explanation-1: -Aerial photography is the oldest form of remote sensing. Despite the increasing availability of more sophisticated imaging systems, aerial photographs remain one of the most reliable and widely used sources of remotely sensed data.
Detailed explanation-2: -The photographs could further be used to obtain a very large number of samples of forest condition, samples which would be measured with somewhat lesser accuracy than might be obtained on the ground.
Detailed explanation-3: -The first known aerial photograph was taken in 1858 by French photographer and balloonist, Gaspar Felix Tournachon, known as “Nadar".
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