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Region Layers for USGS South Carolina Bohman Method Hydrograph in StreamStats In cooperation with the South Carolina Department of Transportation (SCDOT), the U.S. Geological Survey prepared geospatial layers illustrating the boundaries of the regions used in the South Carolina (SC) Stream Hydrograph Methods presented in Bohman (1990,1992). The region limits were described in written text and depicted in figures in Bohman (1990, 1992), but have not been provided as geospatial layers (due to the age of the original publications). This project used best-available geospatial data from the U.S. Environmental Protection Agency (USEPA) ecoregions (2013) to create equivalent geospatial representations of the Bohman (1990, 1992) region boundaries for the SC Stream Hydrograph Methods. These layers... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Georgia, Hydrology, North Carolina, South Carolina, USGS Science Data Catalog (SDC), All tags... United States, Virginia, Water Resources, basin, flood, floods, gage, geography, geoscientificInformation, geospatial datasets, hazard preparedness, hydrology, inlandWaters, natural resources, streamflow, streamgage, surface water, Fewer tags Foundational Geospatial Layers for South Carolina StreamStats 2024 In cooperation with the South Carolina Department of Transportation, the U.S. Geological Survey updated the foundational geospatial layers for the South Carolina StreamStats web application (https://water.usgs.gov/osw/streamstats/), which provides analytical tools useful for water-resources planning and management (Kolb and others, 2018). This dataset presents the digital elevation model, lidar-derived flow direction, flow accumulation, and percent basin slope raster data layers used for analysis in StreamStats. It also includes the streamline vector data used to hydro-enforce the raster data layers. Tags: Hydrology, South Carolina, USGS Science Data Catalog (SDC), Water Resources, environment, All tags... geoscientificInformation, geospatial datasets, human impacts, hydrology, imageryBaseMapsEarthCover, inlandWaters, runoff, Fewer tags Magnitude and Frequency of Floods for Rural Streams in Georgia, South Carolina, and North Carolina, 2017-Data Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management. Annual peak flows measured at U.S. Geological Survey streamgages are used to compute flood-frequency estimates at those streamgages. However, flood-frequency estimates also are needed at ungaged stream locations. A process known as regionalization was used to develop regression equations to estimate the magnitude and frequency of floods at ungaged locations. This dataset contains the supporting tables and updated hydrologic region boundaries used in the 2017 flood-frequency study for Georgia, South Carolina, and North Carolina. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alabama, Florida, Georgia, Hydrology, North Carolina, All tags... South Carolina, Tennessee, USGS Science Data Catalog (SDC), United States, Virginia, Water Resources, basin, climatologyMeteorologyAtmosphere, ecology, flood, flood frequency, floods, geography, geoscientificInformation, geospatial datasets, hazard preparedness, hydrology, inlandWaters, natural resources, streamflow, streamgage, surface water, Fewer tags Locations of Dams and Basins in South Carolina, derived from U.S. Army Corps Engineers National Inventory of Dams Reliable peak-streamflow information is critical for proper design of stream-related infrastructure, such as bridges, and StreamStats is a Web-based Geographic Information Systems (GIS) application that provides a user-friendly interface to estimate peak flows (https://streamstats.usgs.gov/ss/). StreamStats develops these peak-flow estimates using basin characteristics for the entire contributing area to a user-selected point; however, infrastructure planners often need to estimate flows for an area downstream from a known control such as a reservoir release or a weir. This dataset was compiled in cooperation with the South Carolina Department of Transportation (SCDOT) to provide a GIS layer of filtered regulation... Tags: Georgia, Hydrology, North Carolina, Region 1, Region 2, All tags... Region 3, Region 4, Region 5, South Carolina, USGS Science Data Catalog (SDC), Water Resources, bridges, dam sites, watershed management, Fewer tags Land Cover Basin Characteristics Rasters from NLCD 2019 for South Carolina StreamStats In cooperation with the South Carolina Department of Transportation, the U.S. Geological Survey calculated four land cover basin characteristics rasters from the National Land Cover Database (NLCD) 2019 as part of updating the South Carolina StreamStats application. These datasets are raster representations of impervious surface, developed, forested, and storage land cover attributes within the South Carolina StreamStats study area, and will be served in the South Carolina StreamStats application (https://www.usgs.gov/streamstats) to describe delineated watersheds. The StreamStats application provides access to spatial analytical tools that are useful for water-resources planning and management, and for engineering... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Botany, Ecology, Forestry, Hydrology, Land Use Change, All tags... South Carolina, USGS Science Data Catalog (SDC), Water Quality, Water Resources, biota, environment, forest ecosystems, geoscientificInformation, geospatial datasets, human impacts, hydrology, image analysis, imageryBaseMapsEarthCover, inlandWaters, land use and land cover, runoff, vegetation, Fewer tags Model Archive for Magnitude and Frequency of Floods for Rural Streams in Georgia, South Carolina, and North Carolina, 2017 Reliable estimates of the magnitude and frequency of floods are an important part of the framework for hydraulic-structure design and flood-plain management in Georgia, South Carolina, and North Carolina (study area). Annual peak flows measured at U.S. Geological Survey streamgages were used to compute at-site flood-frequency estimates at those streamgages in the study area based on annual peak-flows records through 2017. Flood-frequency estimates also are needed at ungaged stream locations. A process known as regionalization was used to develop regression equations to estimate the magnitude and frequency of floods at ungaged locations. This model archive provides the inputs and outputs for (1) the at-site flood-frequency... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Florida, Georgia, Hydrology, North Carolina, All tags... South Carolina, Tennessee, USGS Science Data Catalog (SDC), United States, Virginia, basin, climatologyMeteorologyAtmosphere, ecology, flood, flood frequency, floods, geography, geoscientificInformation, hazard preparedness, hydrology, inlandWaters, natural resources, streamflow, streamgage, surface water, Fewer tags