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Hydro Flow Metrics Percent Change 2080 (Map Service)

Published by U.S. Forest Service | Department of Agriculture | Metadata Last Checked: June 24, 2025 | Last Modified: 2022-08-25
This map service represents the percent change in modeled streamflow metrics between the historical (1977-2006) and end-of-century (2070-2099) time periods in the western United States. In addition to standard NHD attributes, the streamflow datasets include metrics on mean daily flow (annual and seasonal), flood levels associated with 1.5-year, 10-year, and 25-year floods; annual and decadal minimum weekly flows and date of minimum weekly flow, center of flow mass date; baseflow index, and average number of winter floods.�These files and additional information are available on the project website,�<a href='https://www.fs.usda.gov/rm/boise/AWAE/projects/modeled_stream_flow_metrics.shtml' target='_blank' rel='nofollow ugc noopener noreferrer'>https://www.fs.usda.gov/rm/boise/AWAE/projects/modeled_stream_flow_metrics.shtml</a>. Streams without flow metrics (null values) were removed from this dataset to improve display speed; to see all stream lines, use an NHD flowline dataset.<div><br /></div><div>Hydro flow metrics data can be downloaded from�<a href='https://data.fs.usda.gov/geodata/edw/datasets.php?xmlKeyword=hydro+flow+metrics' target='_blank' rel='nofollow ugc noopener noreferrer'>here</a>.<br /></div>

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