Alan Rea Kenneth D. Skinner 2009 vector digital data http://water.usgs.gov/lookup/getspatial?ds412_archydroglobal Alan Rea Kenneth D. Skinner 2009 vector digital data U.S. Geological Survey Data Series 412 Reston, VA U.S. Geological Survey http://pubs.usgs.gov/ds/412/ This dataset consists of a personal geodatabase containing several vector datasets. This database contains the information needed to link the HUCs together so a watershed may be delineated that spans more than one 8-digit HUC. These datasets may be used with the ArcHydro Tools, developed by ESRI in partnership with the U.S. Geological Survey, StreamStats Development Team. The datasets, together with the ArcHydro Tools and the ArcHydro 8-digit HUC datasets for an area of interest, allow users to delineate watersheds and compute several watershed characteristics. These datasets were produced to support the Idaho StreamStats application, as well as to develop a model of perennial streams in Idaho. The personal geodatabase contains the following feature classes: huc_net_Junctions Default junction feature class for geometric network. Empty of features because all needed points are in Point3D. HUCLongestFlowPath Precomputed longest flow path for HUC. hucpoly Polygon feature class containing one polygon for each local huc-based workspace. Serves as a spatial index to huc datasets. Point3D 3D points used to create junctions in the global geometric network. Streams3D 3D streams used in geometric network that connects hucpoly polygons. In addition, the geodatabase contains a 3D geometric network composed of Streams3D, Point3D, and huc_net_Junctions. The geodatabase also contains the HUCHasJunction relationship class, which relates the hucpoly features to the Point3D features via the JunctionID. HucPeakFlowRegions and HucLowFlowRegions are tables containing region area breakdowns for each hucpoly for the peak flow and low flow regions, respectively. The HYDROIDTABLE and LAYERKEYTABLE are used by the ArcHydro Tools to track and assign HydroIDs. To use these data with the ArcHydro Tools, users also need to download the ds412_StatewideLayers.zip file, plus the zip files for any ArcHydro 8-digit HUC datasets that overlap their area of interest. The ArcHydro 8-digit HUC datasets needed may be determined by overlaying the user's area of interest with the "hucpoly" polygon feature class in this global geodatabase. The ArcHydro 8-digit HUC datasets are needed only for the area within which it is desired to delienate watersheds. Upstream ArcHydro 8-digit HUC datasets are not needed. A new folder should be established and all zip files should be extracted into this folder. Use of this procedure will ensure that the datasets are in their proper locations relative to one another. A fresh ArcMap document (identified by the ".MXD" file extension) should be created by starting ArcMap, loading the "Layers" feature dataset (including all its component feature classes) from the global.mdb file, and saving the document with a new file name. The ArcHydro Tools use configuration information stored in Extensible Markup Language (XML) to define basin characteristics and other configuration options. XML code for the Idaho StreamStats configuration has been provided to ESRI and incorporated into versions of the ArcHydro Tools released after February 1, 2009. The ArcHydro Tools ApUtilities->Additional Utilities->Configure Function Parameters tool may be used to load the configuration for StreamStats, using the configuration named "Idaho_10m". This will load the XML configuration designed to work with these data. The Local Point Delineation or Global Point Delineation tools from the ArcHydro Tools may be used to delineate watersheds. The Compute Local Parameters or Compute Global Parameters menu options may then be used to compute watershed characteristics. For further explanation of the functions of the above datasets, and for instructions on using the tools, see the ArcHydro Tools documentation. 2009 publication date Complete None planned -118.624226 -110.203323 49.154097 41.078781 None inlandWaters streamflow statistics streamstats forest land cover slope elevation aspect precipitation GCMD Location Keywords NORTH AMERICA UNITED STATES UNITED STATES OF AMERICA Idaho ID None These data are designed to be used with the ArcHydro Tools, 1.3 Beta version 3 June, 2008 or newer, with ArcGIS 9.2 or newer. U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

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Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&subject=GIS+Dataset+ds412_archydroglobal Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.4.1420 The data were less carefully processed and checked in the areas extending outside of Idaho and the eastern Snake River Plain. The available data were used for these areas without much additional checking or quality control. Complete for all of Idaho. Extends beyond Idaho, usually encompassing full 8-digit HUCs that are wholly or partially in Idaho. Data are cut off at the border with Canada. Results for watersheds extending into Canada are not reliable. Alan Rea Kenneth D. Skinner 2009 raster digital data Alan Rea Kenneth D. Skinner 2009 raster and vector digital data U.S. Geological Survey Data Series 412 Reston, VA U.S. Geological Survey http://pubs.usgs.gov/ds/412/ 24000 disc 2008 publication date HydroDEM flowdirection grid and hydrologic derivatives Global datasets were produced using procedures described in ArcHydro Tools documentation. HydroDEM 2008 ArcHydroGlobal Vector G-polygon 91 Transverse Mercator 0.999600 -114.000000 42.000000 2500000.000000 1200000.000000 coordinate pair 0.000100 0.000100 meters North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 North American Vertical Datum of 1988 0.000100 meters Explicit elevation coordinate included with horizontal coordinates hucpoly Spatial index to huc datasets Idaho StreamStats OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. Shape_Length Length of feature in internal units. ESRI Positive real numbers that are automatically generated. Shape_Area Area of feature in internal units squared. ESRI Positive real numbers that are automatically generated. HydroID Unique identifier within the ArcHydro database ArcHydro Tools Positive integer numbers that are automatically generated. JunctionID HydroID of the junction the area drains to ArcHydro Tools Positive integer numbers that are automatically generated. Name HUC index, name of folder containing local ArcHydro data ArcHydro Tools 8-digit HUC numbers DRNAREA Area that drains to a point on a stream, in square miles ID StreamStats Positive real numbers that are automatically generated. RELIEF Maximum - minimum elevation, in feet for HUC ID StreamStats Positive real numbers that are automatically generated. ELEVMAX Maximum basin elevation in feet ID StreamStats Positive real numbers that are automatically generated. MINBELEV Minimum basin elevation in feet ID StreamStats Positive real numbers that are automatically generated. ELEV Mean basin elevation in feet ID StreamStats Positive real numbers that are automatically generated. FOREST Percent of area covered by forest ID StreamStats Nonnegative real numbers that are automatically generated. PRECIP Mean annual precipitation, in inches ID StreamStats Nonnegative real numbers that are automatically generated. BSLDEM10M Mean basin slope computed from 10 m DEM, in percent ID StreamStats Nonnegative real numbers that are automatically generated. SLOP30_10M Percent of area having slope greater than or equal to 30 percent, computed from 10-m DEM ID StreamStats Nonnegative real numbers that are automatically generated. NFSL30_10M Percent of area having North-facing (aspects less than 60 and greater than 300 degrees) slopes greater than or equal to 30 percent, computed from 10-m DEM ID StreamStats Nonnegative real numbers that are automatically generated. HUCLongestFlowPath Precomputed longest flow path for HUC ESRI ArcHydro Tools SHAPE Feature geometry. ESRI Coordinates defining the features. OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. SHAPE_Length Length of feature in internal units. ESRI Positive real numbers that are automatically generated. HydroID Unique identifier in the Hydro database. ArcHydro Tools Positive integers that are automatically generated. DrainID HydroID of the hucpoly associated to the longest flow path. ArcHydro Tools Positive integers that are automatically generated. Slp Slope along the line. ArcHydro Tools Real numbers computed from the geometry. Slp1085 Slope along the line between the 10 percent point and 85 percent point. ArcHydro Tools Real numbers computed from the geometry. ElevUP Elevation, in feet, of upstream end of line. ArcHydro Tools Real numbers computed from the geometry. ElevDS Elevation, in feet, of downstream end of line. ArcHydro Tools Real numbers computed from the geometry. Elev10 Elevation, in feet, of point 10 percent up from the end of line. ArcHydro Tools Real numbers computed from the geometry. Elev85 Elevation, in feet, of point 85 percent up from the end of line. ArcHydro Tools Real numbers computed from the geometry. Enabled Indicates whether the feature is enabled (True) or disabled (False) in the geometric network. A feature that is disabled in the network acts as a barrier when the network is traced. ArcHydro Tools 1 Enabled ArcHydro Tools 0 Disabled ArcHydro Tools LengthDown Length from the start of the longest flow path feature to the downstream sink. ArcHydro Tools Positive real numbers computed from the geometry. Point3D 3D points used to create junctions in the global geometric network. ArcHydro Tools Shape Feature geometry. ESRI Coordinates defining the features. OID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Point2DID HydroID of the 2D points used to generate the network. ArcHydro Tools Sequential unique whole numbers that are automatically generated. Enabled Indicates whether the feature is enabled (True) or disabled (False) in the geometric network. A feature that is disabled in the network acts as a barrier when the network is traced. ArcHydro Tools 1 Enabled ArcHydro Tools 0 Disabled ArcHydro Tools Streams3D 3D streams used in geometric network that connects hucpoly polygons. ArcHydro Tools Shape Feature geometry. ESRI Coordinates defining the features. OID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape_Length Length of feature in internal units. ESRI Positive real numbers that are automatically generated. Line2DID HydroID of 2D lines used to create the 3D geometric network. ArcHydro Tools Sequential unique whole numbers that are automatically generated. U.S. Geological Survey Ask USGS -- Water Webserver Team mailing address

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Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://water.usgs.gov/user_feedback_form.html Downloadable Data Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of these data, software, or related materials. The use of firm, trade, or brand names in this report is for identification purposes only and does not constitute endorsement by the U.S. Geological Survey. The names mentioned in this document may be trademarks or registered trademarks of their respective trademark owners. PGDB 9.2 ESRI Personal Geodatabase 16 MB http://water.usgs.gov/GIS/dsdl/ds412/index.html None. This dataset is provided by USGS as a public service. 20080606 U.S. Geological Survey Ask USGS Ask USGS -- Water Webserver Team mailing address

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Reston VA 20192 USA 1-888-275-8747 (1-888-ASK-USGS) http://answers.usgs.gov/cgi-bin/gsanswers?pemail=h2oteam&subject=GIS+Dataset+ds412_archydroglobal FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998