The
feature I identified for this lab was a large tract of bare soil located at the southern tip
of the city, surrounded predominantly by urban area and some vegetation
directly to the south of it. I was looking over the stretched symbology (Band
6) of the image in ArcMap when I saw a bright spot in that area,
surrounded by grey (urban area) and a darker spot just below it (which looks
like vegetation in the natural color image). Further analysis and comparison
between the two images (natural color and thermal) determined this was bare soil. I chose to use the band combination Red- 6, Green- 3, Blue- 2. This
band combination is used to distinguish between different soils and soil
moisture content. The 6, 3, 2 band combination made soils appear in light to
dark reds, starkly contrasting it with surrounding colors.
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