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Andrew Bock

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The National Hydrologic Geospatial Fabric Reference and Derived Hydrofabrics is a geospatial dataset of a network of connected rivers, lakes, and catchments used for hydrologic modeling. The dataset includes features and attributes representing hydrologic locations associated with observational data, cataloging, or reporting water data quantity or quality, and structures important to the storage and conveyance of surface water. It consists of one reference and three derived hydrofabrics designed to meet specific modeling needs with different levels of consolidation and aggregation of the reference features. This child item contains features and attributes representing the National Hydrologic Geospatial Fabric Reference...
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The basin boundaries available here are derived from the Geospatial Fabric for National Hydrologic Modeling (Viger and Bock, 2014). The Geopspatial Fabric provides a consistent, documented, and topologically connected set of spatial features that create an abstracted stream/basin network of features useful for hydrologic modeling. The GIS vector features contained in this Geospatial Fabric (GF) data set cover the lower 48 U.S. states, Hawaii, and Puerto Rico. Four GIS feature classes are provided for each Region: 1) the Region outline ("one"), 2) Points of Interest ("POIs"), 3) a routing network ("nsegment"), and 4) Hydrologic Response Units ("nhru"). A graphic showing the boundaries for all Regions is provided...
Water management planners and researchers throughout the world rely on hydrological models to forecast and simulate streamflow hydrology and hydrological events. These simulations are used to inform water management, municipal planning, and ecosystem conservation decisions, as well as to investigate potential effects of climate and land-use change on hydrology.
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