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ZIMSEC A-Level Geography

1.4The remote sensing system; Image acquisition and structure

The remote sensing system; Image acquisition and structure in ZIMSEC A-Level Geography: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 1.4.1Identify the components of the remote sensing system and their role in image acquisition.
  2. 1.4.2Predict the reflectance of vegetation, bare ground, water and built surfaces and interpret spectral signatures.
  3. 1.4.3Distinguish passive from active sensors, identify bands on the electromagnetic spectrum, and distinguish image space from feature space.

Lessons

  • The remote sensing system, reflectance and sensors

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

The remote sensing system; Image acquisition and structure: sample question

1 mark

Healthy green vegetation reflects strongly in which part of the spectrum?

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