Which spectral range would cover both NIR and SWIR?

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Study for the ASU GIS205 Geographic Information Science I Exam. Prepare with flashcards and multiple choice questions, each question features hints and explanations. Ace your exam!

The correct answer encompasses the full range of wavelengths that include both Near Infrared (NIR) and Short Wave Infrared (SWIR) spectral regions. The NIR typically spans from about 0.7 to 1.3 micrometers, while the SWIR extends from around 1.3 to approximately 3.0 micrometers.

By selecting a spectral range that starts at 0.7 micrometers and extends well beyond 3.0 micrometers, you ensure that the NIR and SWIR are both fully included within this range. This answer option provides ample coverage of the relevant spectral regions, allowing for the analysis of data captured in both infrared and shortwave infrared wavelengths.

The other options do not cover the full spectrum required to include both NIR and SWIR. For example, one option only starts at 0.7 micrometers and ends at 1.3 micrometers, which limits the coverage to just the upper part of NIR, effectively excluding SWIR entirely. Similarly, another option with a broader range does not effectively encompass the necessary wavelengths to fully cover both infrared segments without falling outside the required spectrum.

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