Why is there so much color variation among the Landsat 7 browse images? <!-- remote sensing -->
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USGS Frequently Asked Questions
Question:
Why is there so much color variation among the Landsat 7 browse images?
Answer:
A custom color stretch is performed on the raw Landsat 7 data, based on individual scene content for bands 5, 4, and 3. Scenes from within the same area and/or acquisition date may vary in band content (due to differences such as cloud content or ground moisture), and this differing content will cause variation in the results of the color stretch.
