New study uses PACE data to track fall color progression (IMAGE)
Caption
This figure from a paper published May 18, 2026 in Remote Sensing Letters uses data from NASA's PACE satellite to show how the presence of anthocyanins (which cause leaves to appear red in the fall) increased from the first to the third weeks of October in the eastern United States in 2024. (Courtesy of Fred Huemmrich, lead author on the new study)
Credit
Courtesy of Fred Huemmrich
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CC BY-NC-ND