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Borehole Erosion Test data, Lower American and Sacramento Rivers, California, 2019 (ver. 4.0, July 2021) Borehole erosion tests were performed to quantify sediment erosion rates as a function of depth below grade and flow speed at locations along the Sacramento and American Rivers in 2019. The dataset consists of: - borehole caliper files describing the initial geometry of the borehole, and its shape after each test flow event, - where available, a digital time series describing discharge into the hole - where available, a digital time series describing water level in the water supply tank - log sheets with details such as test location, date, and personnel - digital log sheets in .pdf format include field-based and laboratory-based soil classification data, see "Drilling log file explanation.txt" for explanation of... Categories: Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: American River, California, Sacramento, Sacramento River, USGS Science Data Catalog (SDC), All tags... borehole erosion test, erosion, geoscientificInformation, lithology, sediment transport, Fewer tags Santa Clara Valley Habitat Conservation Plan This data was developed to support the Santa Clara Valley Habitat Conservation Plan Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Habitat Conservation Plan, Sacramento, Santa Clara Valley, US FWS San Francisco Bay-Delta bathymetric/topographic digital elevation model (DEM) A high-resolution (10-meter per pixel) digital elevation model (DEM) was created for the Sacramento-San Joaquin Delta using both bathymetry and topography data relative to current modern datum of North American Vertical Datum of 1988 (NAVD88). This DEM is the result of collaborative efforts of the U.S. Geological Survey (USGS) and the California Department of Water Resources (DWR). The base of the DEM is from a 10-m DEM released in 2004 and updated in 2005 (Foxgrover and others, 2005) that used Environmental Systems Research Institute (ESRI), ArcGIS Topo to Raster module to interpolate grids from single beam bathymetric surveys collected by DWR, the Army Corp of Engineers (COE), the National Oceanic and Atmospheric... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: American River, Bathymetry and Elevation, Echo Sounders, Fremont Weir, GPS (Global Positioning System), All tags... Geophysics, Global Positioning System (GPS) observations, Knights Landing, LIDAR, Liberty Island, Mildred Island, Nimbus Dam, Sacramento, Sacramento River, Sacramento River Deep Water Ship Channel, Sacramento-San Joaquin Delta, San Francisco Bay, San Francisco Bay Delta, San Joaquin River, Suisun Bay, Tracy, Water Depth, Yolo By-Pass, bathymetry, digital elevation models, elevation, geographic information systems, geospatial datasets, single-beam echo sounder, topographic mapping, topography, Fewer tags