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Perennial streams and selected hydrographs on perennial streams in the ecoregion. These data are provided by Bureau of Land Management (BLM) "as is" and may contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. These data may not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. The BLM should be cited as the data source in any products derived from these...
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Groundwater condition, dam regulated watersheds, natural vegetation, 303(d) listed waters and aquatic invasives were ranked 1 - 3 (3 highest quality) and summed together using raster calculator. The combined sum represents the overall quality of perennial streams in the HUC 12. This layer was converted to a raster to use as an input for coldwater fish assemblage cumulative indicator.
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Perennial streams in Idaho have been modeled using regression equations for 7-day, 2-year low flows (7Q2) described in Wood and others (2009, U.S. Geological Survey Scientific Investigations Report 2009-5015). The model produces "synthetic" streams based on 10-meter resolution digitial elevation models that have been processed to agree closely with 1:24,000-scale National Hydrography Dataset flowlines. See Larger_Work_Citation report...
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Groundwater condition, dam regulated watersheds, natural vegetation, 303(d) listed waters and aquatic invasives were ranked 1 - 3 (3 highest quality) and summed together using raster calculator. The combined sum represents the overall quality of perennial streams in the HUC 12.
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. Perennial streams in Idaho have been modeled using regression equations for 7-day, 2-year low flows (7Q2) described in Wood and others (2009, U.S. Geological Survey Scientific Investigations Report 2009-5015). The model produces "synthetic" streams based on 10-meter resolution digitial elevation models that have been processed to agree closely with 1:24,000-scale National Hydrography Dataset flowlines. Lines having attribute PerCode...


    map background search result map search result map BLM REA NGB 2011 AE Perennial Streams Cumulative 2000m.img BLM REA NGB 2011 Perennial Streams Cumulative Score BLM REA NGB 2011 Perennial Streams and Rivers in the NGB Ecoregion Estimated Perennial Streams in Idaho, indexed to the NHDPlus Estimated Perennial Streams in Idaho BLM REA NGB 2011 Perennial Streams Cumulative Score Estimated Perennial Streams in Idaho, indexed to the NHDPlus Estimated Perennial Streams in Idaho BLM REA NGB 2011 AE Perennial Streams Cumulative 2000m.img BLM REA NGB 2011 Perennial Streams and Rivers in the NGB Ecoregion