Tracking Timber in Washington’s Wynoochee Valley

  • Released Tuesday, June 23, 2026
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Washington's Wynoochee Valley contains dense forests that are regularly altered by timber harvesting. In this Harmonized Landsat and Sentinel-2 (HLS) sequence, disturbed forests are visible as patches of bare ground against the green of the undisturbed trees. Tracking these changes from space is a practical way to monitor logging patterns and forest health over large regions for free.

A natural-color HLS time series of Washington’s Wynoochee Valley spanning from January 2025 to October 2025, revealing the emergence of bare ground patches from forest disturbances against the dense green canopy over time.

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NASA's Goddard Space Flight Center

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This page was originally published on Tuesday, June 23, 2026.
This page was last updated on Tuesday, June 23, 2026 at 11:56 AM EDT.