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Seismic Reflection Profiles Imaging the Seattle Fault Zone Beneath West Seattle, Central Seattle, and Mercer Island, Washington State Seismic Reflection Profiles Imaging the Seattle Fault Zone Beneath West Seattle, Central Seattle, and Mercer Island, Washington State
The U.S. Geological Survey, with funding from the National Earthquakes Hazard Reduction Program, collected ~24 km of north-south trending land-based P-wave seismic reflection profiles gathered across three urban areas in Seattle, Washington: West Seattle, central Seattle, and Mercer Island. The West Seattle profiles were collected with an accelerated weight drop source and 8 Hz vertical...
Seismic sub-bottom, sediment core and radiocarbon data collected in Ozette Lake, Washington from 2019-2021 Seismic sub-bottom, sediment core and radiocarbon data collected in Ozette Lake, Washington from 2019-2021
Seismic-reflection data and cores were collected in Ozette Lake, Washington, from 2019 to 2021. These data were used to investigate submarine landslide deposits triggered by large Cascadia Subduction Zone earthquakes. Identification of fault-related submarine hazards is a primary mission of the USGS Coastal and Marine Geology Program. In the US Pacific Northwest region, the greatest...
Select Borehole Data for the East Mesa area and vicinity, Imperial County, CA Select Borehole Data for the East Mesa area and vicinity, Imperial County, CA
This data release provides borehole location and lithology information from selected boreholes in the East Mesa and surrounding areas of Imperial County, California. The area of focus includes parts of the Imperial, Ogilby, and Amos Valley groundwater basins. The purpose of the study is to estimate the future Total Dissolved Solids (TDS) concentration in groundwater pumped by the LCWPS...
Select pipe-flow monitoring data from RecoveryPark in Detroit, MI (2015–2021) Select pipe-flow monitoring data from RecoveryPark in Detroit, MI (2015–2021)
This dataset includes pipe-flow monitoring data in sewers used to analyze the water budget at RecoveryPark in Detroit, Michigan. These are provided as 3 text comma separated format files at sewer locations that drain the study area. In addition, there are 6 text comma separated format files containing the Rhodamine dye tracer concentrations collected in the combined sewer locations for...
Selected Basin Boundaries for USGS Streamgages in Alaska Through 2014 Selected Basin Boundaries for USGS Streamgages in Alaska Through 2014
This dataset contains 474 drainage basin boundaries for U.S. Geological Survey (USGS) streamgages in Alaska, including supplemental drainage basin boundaries for alternate conditions for 3 of the 471 streamgages. The basin boundaries were delineated from the streamgage location to the nearest USGS Watershed Boundary Dataset (WBD) HUC boundary and along HUC boundaries from that...
Selected Basin Boundaries for USGS Streamgages in Alaska through 2019 Selected Basin Boundaries for USGS Streamgages in Alaska through 2019
This dataset contains drainage basin boundaries for 253 U.S. Geological Survey (USGS) streamgages in Alaska that had at least 5 years of daily streamflow through September 30, 2017, three of which were delineated for alternate basin conditions. This compilation includes selected boundaries produced in 2014 (https://doi.org/10.5066/P143KNEJ). Additional basin boundaries were delineated...
Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska
This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference material and 968 archived rock samples and associated rock reference material. All archived material was from samples that were collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample archive in Denver...
Self-potential and electric resistivity tomography data pertaining to groundwater flow for thermal springs, Hot Springs National Park, Arkansas, February 2023–January 2024 Self-potential and electric resistivity tomography data pertaining to groundwater flow for thermal springs, Hot Springs National Park, Arkansas, February 2023–January 2024
This data release contains self-potential (SP) map data, two-dimensional electrical resistivity tomography (ERT) data, and time-lapse SP-monitoring data measured within the thermal springs discharge area of Hot Springs National Park in Hot Springs, Arkansas, in addition to the geospatial coordinates of each geophysical measurement and photographs of the reconnaissance and monitoring...
Self-potential tomography preconditioned by particle swarm optimization—Self-potential monitoring and streamflow data acquired March 26–September 14, 2023 at East Fork Poplar Creek near Oak Ridge Tennessee, with forward and inverse modeling computer scrip Self-potential tomography preconditioned by particle swarm optimization—Self-potential monitoring and streamflow data acquired March 26–September 14, 2023 at East Fork Poplar Creek near Oak Ridge Tennessee, with forward and inverse modeling computer scrip
This data release contains self-potential (SP) monitoring data measured on the flood plain of East Fork Poplar Creek (East Fork) in Oak Ridge, Tennessee and streamflow data measured at streamgage EFK5.4 about 310 meters upstream from the SP monitoring site. Additionally, forward and inverse numerical modeling scripts used to model the electrical-potential field on the East Fork flood...
Semiquantitative mineralogy results from powder X-ray diffraction (XRD) analyses of mineral scales from The Geysers geothermal field, California, USA Semiquantitative mineralogy results from powder X-ray diffraction (XRD) analyses of mineral scales from The Geysers geothermal field, California, USA
This data release provides semiquantitative mineralogy results from X-ray diffraction (XRD) analyses of mineral scales from The Geysers vapor-dominated geothermal field in California. The mineral species and their abundances are reported in weight percent and values have been normalized to total 100 percent for each sample. The X-ray diffraction results show that the mineral samples from...
Sensor data from debris-flow experiments conducted in June, 2016, at the USGS Debris-flow Flume, HJ Andrews Experimental Forest, Blue River, Oregon Sensor data from debris-flow experiments conducted in June, 2016, at the USGS Debris-flow Flume, HJ Andrews Experimental Forest, Blue River, Oregon
These data were collected as part of a long-term program of large-scale experimentation at the USGS debris-flow flume. The chief focus of the six experiments performed in 2016 and represented in this data set was twofold: (1) measurement of evolving basal stresses as the flume headgate opened, and (2) measurement of broadband seismic energy radiated by the moving debris flows. The...
Sentinel-2 ACOLITE-DSF Aquatic Reflectance for the Conterminous United States Sentinel-2 ACOLITE-DSF Aquatic Reflectance for the Conterminous United States
This dynamic data release presents an aquatic reflectance product with 20-meter spatial resolution derived from Sentinel-2 satellite imagery for the conterminous United States using the Atmospheric Correction for OLI “lite” (ACOLITE). Aquatic reflectance, noted Rhow in ACOLITE documentation, is defined here as unitless water-leaving radiance reflectance and represents the ratio of water...