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I can not understand if I should adjust the Tasseled Cap index with the surface reflectance values or the Top of Atmosphere

  • For deriving TC, depending on the sensor, it should be DN (eg., TM5) or at-sensor reflectance eg., ETM7, OLI) and never TOA. I have no idea what you mean by adjusting TC, you need to provide more details and a citation. Please, also read the faq on asking a question. – Jeffrey Evans Jul 24 '18 at 17:28
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I have found these Tasseled Cap coefficients for use with Landsat Surface reflectance data. Please refer to the source article for applicability to your work. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0147121 enter image description here

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