Found 104 datasets matching "Hydrologic Unit Boundaries".
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This data release contains a crosswalk between subwatersheds (12-digit hydrologic unit codes; hereafter, HUC12s) and hydrologic regions (sometimes called "Van Metre regions"). This crosswalk...
Search relevance: 172.22 | Views last month: 0 -
This data set contains hydrologic cataloging-unit boundaries for selected units within the Powder River drainage basin of Wyoming. The hydrologic unit boundaries were delineated by using...
Search relevance: 169.23 | Views last month: 0 -
This data release contains the output of the National Hydrologic Hydrologic Model (NHM) version 1.0 aggregated to twelve-digit and ten-digit Hydrologic Unit Code (HUC) boundaries contained in the...
Search relevance: 160.42 | Views last month: 0 -
This EnviroAtlas web service contains layers depicting hydrologic unit boundary layers and labels for the Subregion level (4-digit HUCs), Subbasin level (8-digit HUCs), and Subwatershed level...
Search relevance: 128.04 | Views last month: 1 -
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal...
Search relevance: 107.75 | Views last month: 139 -
This dataset is the digital hydrologic unit boundary layer for the 8-digit subwatershed boundaries for the conterminous United States. This dataset is intended to be used with the following two...
Search relevance: 103.44 | Views last month: 4 -
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for inclusion in the...
Search relevance: 102.93 | Views last month: 0 -
This is a Child Item for the Parent data release, Mapping Riparian Vegetation Response to Climate Change on the San Carlos Apache Reservation and Upper Gila River Watershed to Inform Restoration...
Search relevance: 102.06 | Views last month: 0 -
This data set has been superseded by huc2m. This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin...
Search relevance: 101.32 | Views last month: 0 -
** Dataset containing HUC12 watershed boundaries that are within or intersect the boundary of a standard park AOA. ** The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection...
Search relevance: 97.04 | Views last month: 0 -
This data release contains fractional intersectional weights used to crosswalk data from the National Water Use Program to the National Integrated Water Availability Assessment (IWAAs) projects....
Search relevance: 96.09 | Views last month: 0 -
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of interest to the USGS. One of these data...
Search relevance: 56.46 | Views last month: 2 -
Lidar Digital Elevation Models (DEMs) at 2-meter resolution have been used to derive watershed boundaries for the State of Maine. Geographic Information Systems (GIS) software was used to...
Search relevance: 56.18 | Views last month: 2 -
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Hydrologic unit boundaries define the aerial extent of surface water drainage to a point. Hydrologic...
Search relevance: 54.29 | Views last month: 5 -
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...
Search relevance: 48.81 | Views last month: 2
