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Shallow Sediment Geochemistry in a Mercury-Contaminated Multi-Habitat Floodplain: Cache Creek Settling Basin, Yolo County, California (version 2.0, August 2021) The Cache Creek Settling Basin (CCSB) is a 13.3 km2 leveed basin located at the terminal drainage of the Cache Creek watershed, immediately NE of the town of Woodland (Yolo County), California and approximately 18 km NW of Sacramento, California. The basin was constructed by the U.S. Army Corps of Engineers (completed in 1937 and modified in 1993) for the purpose of trapping suspended sediment transported from the upper Cache Creek watershed during high-flow events, thus preventing sediment from entering the Yolo Bypass, a larger downstream floodwater conveyance and agricultural zone. In addition to trapping suspended sediment, the CCSB also traps sediment-associated mercury (Hg), which is particularly elevated... Categories: Data Release - Revised; Tags: Cache Creek Settling Basin, Sacramento River Watershed, Sacramento–San Joaquin River Delta, Total Maximum Daily Load (TMDL), USGS Science Data Catalog (SDC), All tags... Woodland, CA, Yolo Bypass, Yolo County, aquatic ecosystems, basins, biogeochemistry, floodplains, mercury, methylmercury, watershed management, wetlands, Fewer tags Lower Salinas Valley Hydrologic Models: Agricultural and Municipal Water Supply and Groundwater Data (ver. 2.0, November 2023) This digital dataset contains the surface water operational data used for the Salinas Valley Operational Model (SVOM) including the time series data and the operational rules. While much of the input data is shared between the Salinas Valley Operational Model (SVOM) and the Salinas Valley Integrated Hydrologic Model (SVIHM), the SVOM has additional input data specific to the purpose and function of the model. This digital dataset contains the datasets related to agricultural and municipal water supply and groundwater in the Lower Salinas Valley Hydrologic Models, including the Salinas Valley Operational Model (SVOM) and the Salinas Valley Integrated Hydrologic Model (SVIHM). Groundwater inflow and outflow data include... Categories: Data, Data Release - Revised; Tags: California, Monterey County, Salinas, San Luis Obispo County, USGS Science Data Catalog (SDC), All tags... environment, hydrology, inlandWaters, streamflow, surface water (non-marine), water resources management, watershed management, Fewer tags Beaver dam locations and beaver activity in the Tualatin Basin, Oregon (ver. 2.0, November 2019) USGS met with 13 local groups and organizations around the Portland, Oregon region to collect information regarding the locations of beaver dams in the Tualatin Basin. The local sources had identified beaver dams between 2011 and 2019, and data were compiled by USGS into an ArcGIS shapefile. Often, the local groups did not know the GPS coordinates of beaver dams, but they had identified beaver-affected reaches during that same time period. Therefore, a second shapefile was created to include the locations of beaver activity (including beaver chews, lodges, and dams) in the Tualatin Basin. The Beaver Dam Locations ArcGIS shapefile shows the known locations of beaver dams in the Tualatin Basin. The Beaver Activity... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Castor canadensis, Ecology, Hydrogeology, Land Use Change, Oregon, All tags... Tualatin River, USGS Science Data Catalog (SDC), Washington County, Water Resources, Wildlife Biology, beaver, biota, dam, data integration, inlandWaters, natural resource management, watershed management, Fewer tags Supporting Data for Estimating Selected Low-Flow Frequency Statistics and Mean Annual Flow for Ungaged Locations on Streams in Alabama (ver. 1.1, November 2020) Streamflow data and statistics are vitally important for proper protection and management of both the water quality and water quantity of Alabama streams. Such data and statistics are available at U.S. Geological Survey streamflow-gaging stations, also referred to as streamgages or stations, but are often needed at ungaged stream locations. To address this need, the U.S. Geological Survey, in cooperation with numerous Alabama State agencies and organizations, developed regional regression equations for estimating selected low-flow frequency statistics and mean annual flow for ungaged locations in Alabama that are not substantially affected by tides, regulation, diversions, or other anthropogenic influences. This... Categories: Data, Data Release - Revised; Tags: Alabama, Hydrology, USGS Science Data Catalog (SDC), Water Resources, boundaries, All tags... ecosystems, environment, geoscientificInformation, geospatial datasets, hydrology, inlandWaters, precipitation (atmospheric), river systems, stream discharge, streamflow, watershed management, Fewer tags Salinas Valley Operational Model: Input Operational Data (ver. 2.0, September 2023) This digital dataset contains the surface water operational data used for the Salinas Valley Operational Model (SVOM) including the time series data and the operational rules. While much of the input data is shared between the Salinas Valley Operational Model (SVOM) and the Salinas Valley Integrated Hydrologic Model (SVIHM), the SVOM has additional input data specific to the purpose and function of the model. The SVOM is a hypothetical baseline model developed to examine the benefit of different reservoir operations to the availability of water resources for the San Antonio and Nacimiento Reservoirs. The San Antonio and Nacimiento reservoirs are used for regional water supply and management of Salinas River flows... Categories: Data Release - Revised; Tags: California, Monterey County, Salinas, San Luis Obispo County, USGS Science Data Catalog (SDC), All tags... environment, fish, hydrology, inlandWaters, streamflow, surface water (non-marine), water resources management, watershed management, Fewer tags