Check the box next to the June 2001.tif layer to turn it on. Next, you'll compare the 1984 imagery to the later imagery to see how the lake has changed. As you can see in the legend, the 1984 image uses Near Infrared 2 for the red color channel, Near Infrared 1 for the green color channel, and Red for the blue color channel.Īll three images in your project use band combinations that emphasize vegetation, making the boundaries between the lake and the surrounding landscape clearer and more distinct. Because all the bands cannot be depicted at the same time, you usually pick a combination of three bands that you display through the color channels red, green, and blue, which can be seen by the human eye.
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