PNWHF Oregon Watershed Boundary Dataset HU12 Polygon

Aug 7, 2015
Uploaded by Amy Stiner
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Description:
WBD_HU12: This geospatial dataset represents the 6th level (12-digit) hydrologic unit boundaries from the Watershed Boundary Dataset (WBD) layer for Oregon. Hydrologic units within the WBD_OR_HUC_12 represent drainage areas delineated to the 6th level drainage systems. Their boundaries are defined by hydrographic and topographic criteria that delineate an area of land upstream from a specific point on a river, stream, or similar surface waters. Hydrologic units within the WBD_OR_HUC_12 can accept surface water directly from upstream drainage areas, and indirectly from associated surface areas such as remnant, non-contributing, and diversions to form a drainage area with single or multiple outlet points. Boundaries within the WBD_OR_HUC_12 were delineated by Pacific Northwest (PNW) Hydrography Framework Partners to meet state requirements and to contribute to the national WBD repository. To meet these goals, the WBD must adhere to the "Federal Standards for Delineation of Hydrologic Unit Boundaries", dated October, 2004. These HUC_12 boundaries were made from the Oregon dataset that has been given national certification by Natural Resources Conservation Service (NRCS) Prior to submission the dataset was subjected to an iterative review and edit process to ensure that the hydrologic boundaries fully satisfy the federal standards. This work was completed under a Memorandum of Understanding between the Pacific Northwest Hydrography Framework Partnership and the US Geological Survey (USGS). The current dataset includes all 6th level boundaries that are in all 4th level (8-digit) subbasins that fall within or intersect the Oregon state boundary.



USGS Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD) located here:

http://pubs.usgs.gov/tm/11/a3/pdf/tm11-a3.pdf
Data Provided By:
OR Bureau of Land Management (BLM)
Content date:
unknown
Citation:
http://www.pnwhf.org/
Contact Organization:
OR BLM / OR NRCS
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Use Constraints:
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. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived, and both scale and accuracy may vary across the data set. 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. These data are neither legal documents nor land surveys, and must not be used as such. Official records may be referenced at most BLM offices. Please report any errors in the data to the BLM office from which it was obtained. The BLM should be cited as the data source in any products derived from these data. Any Users wishing to modify the data should describe the types of modifications they have performed. The User should not misrepresent the data, nor imply that changes made were approved or endorsed by BLM. This data may be updated by the BLM without notification.
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FGDC Standard Metadata XML
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Dataset Type:
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Tags:
subwatershed boundaries, watershed boundaries, inlandwaters, hydrology, watershed boundary dataset, hydrologic units, boundaries
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About the Uploader

Amy Stiner
Coordinator with Upper South Fork JD River Watershed Council

The Upper South Fork John Day River Watershed Council performs numerous tasks. Restoration projects, community engagement, and education.