80 datasets found
  1. g

    Sprague River Oregon Floodplain 1940

    • gimi9.com
    • data.usgs.gov
    • +2more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Floodplain 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-floodplain-1940
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  2. g

    Sprague River Oregon Centerline Sycan 1940

    • gimi9.com
    • data.usgs.gov
    • +3more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline Sycan 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-sycan-1940
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  3. g

    Sprague River Oregon Centerline 1940

    • gimi9.com
    • data.usgs.gov
    • +5more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-1940
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  4. g

    Sprague River Oregon Vegetation 1940

    • gimi9.com
    • data.usgs.gov
    • +3more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Vegetation 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-vegetation-1940/
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  5. g

    Sprague River Oregon Water 1940

    • gimi9.com
    • data.usgs.gov
    • +3more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Water 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-water-1940/
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  6. g

    Sprague River Oregon Centerline Sycan 1975

    • gimi9.com
    • search.dataone.org
    • +1more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline Sycan 1975 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-sycan-1975
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  7. g

    Sprague River Oregon Centerline 1975

    • gimi9.com
    • data.usgs.gov
    • +2more
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline 1975 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-1975
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  8. g

    Sprague River Oregon Centerline circa 1870 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline circa 1870 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-circa-1870/
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  9. g

    Sprague River Oregon Water circa 1870 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Water circa 1870 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-water-circa-1870
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  10. g

    Sprague River Oregon Floodplain Centerline | gimi9.com

    • gimi9.com
    Updated Aug 1, 2024
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    (2024). Sprague River Oregon Floodplain Centerline | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-floodplain-centerline
    Explore at:
    Dataset updated
    Aug 1, 2024
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  11. g

    Sprague River Oregon Floodplain Boundary | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Floodplain Boundary | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-floodplain-boundary/
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  12. g

    Sprague River Oregon Centerline Sycan circa 1870 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline Sycan circa 1870 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-sycan-circa-1870
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  13. d

    Sprague River Oregon Floodplain Boundary

    • datasets.ai
    • data.usgs.gov
    • +3more
    55
    Updated Nov 12, 2009
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    Department of the Interior (2009). Sprague River Oregon Floodplain Boundary [Dataset]. https://datasets.ai/datasets/sprague-river-oregon-floodplain-boundary
    Explore at:
    55Available download formats
    Dataset updated
    Nov 12, 2009
    Dataset authored and provided by
    Department of the Interior
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  14. d

    Sprague River Oregon Vegetation 1968

    • catalog.data.gov
    • data.amerigeoss.org
    Updated Oct 5, 2024
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    U.S. Geological Survey (2024). Sprague River Oregon Vegetation 1968 [Dataset]. https://catalog.data.gov/dataset/sprague-river-oregon-vegetation-1968
    Explore at:
    Dataset updated
    Oct 5, 2024
    Dataset provided by
    United States Geological Surveyhttp://www.usgs.gov/
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  15. d

    Sprague River Oregon Centerline Sycan 1968

    • datasets.ai
    • data.usgs.gov
    • +3more
    55
    Updated Nov 12, 2009
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    Department of the Interior (2009). Sprague River Oregon Centerline Sycan 1968 [Dataset]. https://datasets.ai/datasets/sprague-river-oregon-centerline-sycan-1968
    Explore at:
    55Available download formats
    Dataset updated
    Nov 12, 2009
    Dataset authored and provided by
    Department of the Interior
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  16. g

    Sprague River Oregon Centerline Sycan 2005 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline Sycan 2005 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-sycan-2005
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  17. g

    Sprague River Oregon Centerline South Fork 2005 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline South Fork 2005 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-south-fork-2005
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  18. g

    Sprague River Oregon Centerline North Fork 2005 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline North Fork 2005 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-north-fork-2005/
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  19. g

    Sprague River Oregon Centerline 2005 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
    Share
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    (2009). Sprague River Oregon Centerline 2005 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-2005
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

  20. g

    Sprague River Oregon Centerline North Fork 2000 | gimi9.com

    • gimi9.com
    Updated Nov 12, 2009
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    (2009). Sprague River Oregon Centerline North Fork 2000 | gimi9.com [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-centerline-north-fork-2000
    Explore at:
    Dataset updated
    Nov 12, 2009
    Area covered
    Sprague River, Oregon
    Description

    The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

Share
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TwitterTwitter
Email
Click to copy link
Link copied
Close
Cite
(2009). Sprague River Oregon Floodplain 1940 [Dataset]. https://gimi9.com/dataset/data-gov_sprague-river-oregon-floodplain-1940

Sprague River Oregon Floodplain 1940

Explore at:
Dataset updated
Nov 12, 2009
Area covered
Sprague River, Oregon
Description

The Sprague River drains 4090 square kilometers in south-central Oregon before flowing into the Williamson River and upper Klamath Lake. In cooperation with the U.S. Fish and Wildlife Service, the USGS and University of Oregon conducted a study to evaluate channel and floodplain processes for the 131 km of the Sprague River and its major tributaries, including the lower 20 km of the South Fork Sprague River, the lower 16 km of the North Fork Sprague River, and the lower 62 km of the Sycan River. The study involved multiple analyses, including assessments of historical channel change, riparian and floodplain vegetation, and surficial geology. To support these analyses, digital floodplain and channel maps were prepared from historic notes, maps, and aerial photos to depict channel and floodplain conditions at different times between 1866 and 2005. The geospatial database of current and historic channel and floodplain conditions will also enable evaluation of long-term trends pertaining to aquatic and riparian habitat conditions.

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