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Base-flow index grid for the conterminous United States

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: February 10, 2026 | Last Modified: 2020-11-17T00:00:00Z
This 1-kilometer raster (grid) dataset for the conterminous United States was created by i nterpolating base-flow index (BFI) values estimated at U.S. Geological Survey (USGS) streamgages. Base flow is the component of streamflow that can be attributed to ground-water discharge into streams.

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Complete Metadata

bureauCode 
[
  "010:12"
]
identifier http://datainventory.doi.gov/id/dataset/USGS_e5d115a1-eda9-448f-9772-5f115764fd29
spatial -127.887748, 22.860749, -65.346810, 51.608329
theme 
[
  "Geospatial"
]

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