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Computed Tomography (CT) scans, photographs, X-ray Fluorescence (XRF) scans, grain size, and gamma-ray bulk density data of vibracores from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This data release presents measurements and data from two vibracores (JRBP2018-VC01A and JRBP2018-VC01B) collected from Searsville Lake, a reservoir in Jasper Ridge Biological Preserve, Stanford, California, on October 29, 2018 (USGS Field Activity 2018-682-FA). Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, geochemistry, geoscientificInformation, limnology, sediment, Fewer tags X-ray Fluorescence (XRF) scans of vibracores from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents X-ray Flourescence (XRF) data from vibracores collected from Searsville Lake, a reservoir in Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS Field Activity 2018-682-FA). The XRF data are provided in comma-delimited files (.csv), one per core. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, core analysis, geochemistry, geoscientificInformation, inlandWaters, limnology, sediment, substrate, Fewer tags Photographs of vibracores from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents linescan images (photographs) from vibracores collected from Searsville Lake, a reservoir in Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS Field Activity 2018-682-FA). Images were obtained from two vibracores (JRBP2018-VC01A and JRBP2018-VC01B) at 50-micron (200 pixel per cm) resolution. Color images in 16-bit TIFF format are provided for each core segment, along with proprietary metadata files containing image scaling information. Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, core analysis, geoscientificInformation, inlandWaters, limnology, sediment, substrate, Fewer tags Sediment grain-size distributions from vibracores collected in Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents sediment grain-size data from vibracores collected from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS Field Activity 2018-682-FA). In total, 36 samples were subsampled from two vibracores: JRBP2018-VC01A and JRBP2018-VC01B. The grain-size distributions of samples were determined using standard techniques developed by the USGS Pacific Coastal and Marine Science Center sediment lab. The grain-size data are provided in a comma-delimited spreadsheet (.csv). Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, geoscientificInformation, grain-size analysis, inlandWaters, limnology, sediment, sediment transport, substrate, Fewer tags Computed Tomography (CT) scans of vibracores from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents computed tomography (CT) images from vibracores collected from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS Field Activity 2018-682-FA). A Geotek Rotating X-Ray CT (RXCT) system was used to acquire x-ray images and perform CT reconstructions of unsplit core segments. The full three-dimensional data set consists of individual axial slices which are reconstructed images in TIFF format. These axial slices are oriented perpendicular to the long axis of the core. Two-dimensional orthogonal views are also provided that illustrate representative downcore slabs of each core. Geotek software-proprietary XML files are provided in each... Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, core analysis, geoscientificInformation, limnology, sediment, substrate, Fewer tags Gamma-ray bulk density measurements of vibracore JRBP2018-VC01B from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents gamma-ray bulk density measurements of vibracore JRBP2018-VC01B collected from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS Field Activity 2018-682-FA). The gamma-ray bulk density data are provided in a comma-delimited file (.csv). Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, geochemistry, geoscientificInformation, inlandWaters, limnology, sediment, substrate, Fewer tags Core locations, segment depths, and estimated compaction from vibracores collected in Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California This portion of the data release presents measurements and data from two vibracores (JRBP2018-VC01A and JRBP2018-VC01B) collected from Searsville Lake, a reservoir in the Jasper Ridge Biological Preserve, Stanford, California, on October 29, 2018 (USGS Field Activity 2018-682-FA). Vibracoring introduced significant amounts of sediment compaction. The core depths in other datasets of this data release are not corrected for compaction. Translated depths are provided in this portion of the data release that return the tops of each core to the lakebed surface (0 cm). Categories: Data; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Jasper Ridge, PCMSC, Pacific Coastal and Marine Science Center, All tags... San Mateo County, Searsville Lake, Stanford, State of California, U.S. Geological Survey, USGS, core analysis, geoscientificInformation, inlandWaters, limnology, sediment, substrate, Fewer tags