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Estimates of Iron Mineralization in Select Reaches of Three Alaska Arctic Rivers Derived from Historical Landsat Imagery

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: September 14, 2025 | Last Modified: 20250403
These data are in three tables each reporting estimated iron mineralization within stream reaches from three arctic rivers in northwestern Alaska on select days between July-August, 1985-2022. The relative magnitude of iron mineralization was measured using a remotely sensed iron index calculated from available Level 2, Collection 2, Tier 1 Landsat Surface Reflectance products derived by the USGS and accessed within Google Earth Engine https://earthengine.google.com

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