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Alaska permafrost characterization: Borehole Nuclear Magnetic Resonance (NMR) data collected in 2021 Geophysical measurements were collected by the U.S. Geological Survey (USGS) at five sites in Interior Alaska in September 2021 for the purposes of imaging permafrost structure and quantifying variations in subsurface moisture content in relation to thaw features. Borehole nuclear magnetic resonance (NMR) data were collected at two sites in order to determine liquid water content at depth in shallow boreholes. NMR data were collected in a 2.25 m-deep borehole at the North Star golf course adjacent to one of the ERT profiles, and in another two 1.625 m-deep boreholes adjacent to Big Trail Lake where previous NMR measurements were made in 2019 and 2020. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Active layer thickness, Alaska, Bonanza Creek, Borehole nuclear magnetic resonance, Disturbance, All tags... Electrical resistivity tomography, Fairbanks North Star Borough, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Land Change Science Program, LandCarbon Program, U.S. Geological Survey, USGS, electrical resistivity imaging, environment, field monitoring stations, geoscientificInformation, hydrologic processes, permafrost, soil moisture, soil temperature, Fewer tags WATSTORE Peak-flow frequency analyses for selected streamgages in Carter, Custer, Fallon, Powder River, and Prairie Counties, Montana, based on data through water year 2022 This file (wymt_ffa_2022B_WATSTORE.txt) contains peak-flow input data for PeakFQ for peak-flow frequency analyses for selected streamgages based on data through water year 2022. The file format is called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Boxelder, Carter County, Custer County, Fallon County, Little Powder, All tags... Lower Tongue, Lower Yellowstone, Map Service, Middle Powder, Montana, North America, O'Fallon, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Powder River County, Prairie County, USGS-CC Natural Hazards, United States, Upper Little Missouri, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, time series analysis, watershed management, Fewer tags Groundwater-level altitude and groundwater-level change maps developed for the groundwater component of the upper Rio Grande Focus Area Study This part of the Data Release contains the raster representation of the water-level altitude and water-level change maps developed every 5 years from 1980-2015 for the upper Rio Grande Focus Area Study. The input point data used to generate the water-level altitude maps can be found in the "Groundwater level measurement data used to develop water-level altitude maps in the upper Rio Grande Alluvial Basins" child item of this data release. These digital data accompany Houston, N.A., Thomas, J.V., Foster, L.K., Pedraza, D.E., and Welborn, T.L., 2020, Hydrogeologic framework, groundwater-level altitudes, groundwater-level changes, and groundwater-storage changes in selected alluvial basins of the upper Rio Grande... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Abiquiu Reservoir, Ahumada, Alamosa, Alamosa County, Alamosa Creek, All tags... Alamosa River, Albuquerque, Anthony, Antonito, Archuleta County, Ascencion, Belen, Bernalillo County, Bonanza, Buenaventura, Caballo Reservoir, Catron County, Center, Chama, Chihuahua, Cibola County, Ciudad Juarez, Cochiti Lake, Colorado, Conejos County, Costilla County, Creede, Del Norte, Dona Ana County, El Paso, El Paso County, El Porvenir, Elephant Butte, Elephant Butte Reservoir, Espanola, Esperanza, Grants, Guadalupe, Hatch, Heron Reservoir, Hinsdale County, Horizon, Hudspeth County, Juarez, Las Cruces, Los Alamos County, McKinley County, Mexico, Mineral County, Monte Vista, Mora County, New Mexico, Praxedis G. Guerrero, Red River, Rio Arriba County, Rio Chama, Rio Grande, Rio Grande County, Rio Puerco, Rio Rancho, Rio Salado, Rio San Jose, Saguache County, Saguache Creek, San Augustin, San Elizario, San Isidro, San Juan County, San Luis, Sandoval County, Santa Fe, Santa Fe County, Sierra County, Socorro, Socorro County, South Fork, Taos, Taos County, Texas, Torrance County, Truth or Consequence, United States of America, Valencia County, aerial photography, domestic well water use, droughts, environment, evapotranspiration, field monitoring stations, floods, geographic information systems, geography, geology, geoscientificInformation, geospatial analysis, geospatial datasets, groundwater, groundwater and surface-water interaction, groundwater flow, hydrographic datasets, hydrologic processes, hydrology, image analysis, industrial water use, infrared imaging, inlandWaters, irrigation, land use and land cover, multispectral imaging, precipitation, public supply water use, regressional analysis, remote sensing, runoff, snow and ice cover, spatial analysis, statistical analysis, storms, streamflow, surface water, time series analysis, time series datasets, water budget, water chemistry, water cycle, water properties, water quality, water resources, water supply and demand, water use, Fewer tags WATSTORE Peak flow data for peak-flow frequency analyses for selected streamgages on tributaries of the Bighorn, Tongue, and Lower Yellowstone Rivers, based on data through water year 2021 This file (wymt_ffa_2021B_WATSTORE.txt) contains peak-flow input data for PeakFQ for peak-flow frequency analyses for selected streamgages based on data through water year 2021. The file format is called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bighorn, Bighorn County, Land, Little Bighorn, Lower Bighorn, All tags... Lower Yellowstone, Montana, North America, Rosebud, Rosebud County, Tongue, Treasure County, USGS-CC Natural Hazards, United States, Yellowstone, Yellowstone County, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Alaska permafrost characterization: Electrical Resistivity Tomography Data & Models from 2019 Electrical resistivity tomography (ERT) measurements were collected by the U.S. Geological Survey (USGS) at two sites in Interior Alaska in September 2019 for the purposes of imaging permafrost structure and quantifying variations in subsurface moisture content in relation to thaw features. First, ERT data were collected at Big Trail Lake, a thermokarst lake outside of Fairbanks, Alaska, to quantify permafrost characteristics beneath the lake and across its shorelines. Three 222 m ERT survey lines were collected perpendicular to the North, East, and South shorelines, and two 110 m lines were collected parallel to the southeast and northeast shorelines. Models of electrical resistivity produced from these data revealed... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Active layer thickness, Alaska, Big Trail Lake, Bonanza Creek Experimental Forest, Disturbance, All tags... Electrical Resistivity Tomography, Fairbanks North Star, Fire, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Hydrologic processes, Land Change Science Program, Permafrost, U.S. Geological Survey, USGS, electrical resistivity, environment, fires, geoscientificInformation, hydrologic processes, permafrost, soil moisture, Fewer tags Peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, based on data through water year 2018, Part 1 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, that were based on methods described by Sando and McCarthy (2018). Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrology, Land, Milk River, Milk River Basin, Montana, All tags... North America, USGS Science Data Catalog (SDC), USGS-CC Natural Hazards, United States, Water Resources, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags National Hydrologic Model Parameter Database: 2017-05-08 Download Parameter values for the Precipitation Runoff Modeling System (PRMS) using the National Hydrologic Modeling (NHM) infrastructure. The contents of the attached zip folder are a direct download from the USGS bitbucket repository titled National Hydrologic Model Parameter Database (NhmParamDb) (https://my.usgs.gov/bitbucket/projects/MOWS/repos/nhmparamdb/browse). The NhmParamDb is stored using a Git version control system, which tracks modifications to the master dataset through 'commits'. Each commit has a unique code to allow for retroactive identification of any given component of the repository. The specific attributes of the download contained in this release are: Date: May 8, 2017 Commit: 6ccc41d5688 Filename:... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrologic processes, Hydrology, Mathematical modeling, United States, Visualization methods PeakFQ version 7.3 specifications file for peak-flow frequency analyses for selected streamgages on the Bighorn, Tongue, and Lower Yellowstone Rivers and tributaries and Home Creek, Montana, based on data through water year 2021 This file (wymt_ffa_2021A.psf) contains specifications to run PeakFQ for peak-flow frequency analyses for selected streamgages based on data through water year 2021. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bighorn, Bighorn County, Dawson County, Land, Little Bighorn, All tags... Lower Bighorn, Lower Yellowstone, Montana, North America, Richland County, Rosebud, Rosebud County, Tongue, Treasure County, USGS-CC Natural Hazards, United States, Yellowstone, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Peak-flow frequency analyses for selected streamgages on the Bighorn, Tongue, and Lower Yellowstone Rivers and tributaries and Home Creek, Montana, based on data through water year 2021 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages on the Bighorn, Tongue, and Lower Yellowstone Rivers and tributaries and Home Creek, Montana, that were based on methods described by Sando and McCarthy (2018). Citation: Sando, S.K., and McCarthy, P.M.,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bighorn, Bighorn County, Dawson County, Hydrology, Land, All tags... Little Bighorn, Lower Bighorn, Lower Yellowstone, Montana, North America, Richland County, Rosebud, Rosebud County, Tongue, Treasure County, USGS Science Data Catalog (SDC), USGS-CC Natural Hazards, United States, Water Resources, Yellowstone, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Electrical Resistivity Tomography Data at Edwards Air Force Research Laboratory, Antelope Valley, California, 2018 Electrical resistivity tomography (ERT) surveys were done northwest of the Air Force Research Laboratory (AFRL) at Edwards Air Force Base. ERT surveys were done at four locations in May through June of 2018 to refine the understanding of the bedrock-alluvial aquifer transition zone downgradient from the AFRL. The ERT technique injects direct-current electricity with known voltage and current into the earth using a series of electrodes and measures the resulting resistivity. This technique is generally limited to investigations of aquifer properties less than 100 meters below land surface. Data from other geophysical techniques co-located with the ERT data, including time-domain electromagnetics and horizontal-to-vertical... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Antelope-Fremont Valleys, Boron, California, California Water Science Center, Edwards Air Force Base, All tags... Electrical Resistivity Tomography, Leuhman Ridge, Mojave Desert, North Edwards, bedrock geologic units, environment, geophysics, geoscientificInformation, groundwater, hydrologic processes, water resources, Fewer tags Surface geophysics investigations at Edwards Air Force Research Laboratory, Antelope Valley, California, 2018 The Air Force Research Laboratory (AFRL) is about 7 kilometers southwest of Boron, California, and covers 320 square kilometers of Edwards Air Force Base. The AFRL consists of 12 facilities for testing full-size rocket engines, engine components, and liquid and solid propellants. The historical release of contaminants from rocket test stands, evaporation ponds, burn pits, catch basins, and leaking waste-collection tanks has contaminated groundwater in the AFRL. Groundwater aquifers near the AFRL are mostly restricted to fractured granitic bedrock, but previous studies indicate that groundwater and associated contaminants have moved into alluvium to the north and northwest. The U.S. Geological Survey (USGS) and the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Antelope-Fremont Valleys, Boron, California, California Water Science Center, Edwards Air Force Base, All tags... Electrical Resistivity Tomography, Environmental Health, Geochemistry, Geomorphology, Geophysics, Hydrogeology, Kern County, Leuhman Ridge, Mojave Desert, North Edwards, Remote Sensing, Seismology, Soil Sciences, Structural Geology, USGS Science Data Catalog (SDC), Water Quality, Water Resources, bedrock geologic units, electromagnetic surveying, environment, geophysics, geoscientificInformation, groundwater, hydrologic processes, seismic methods, water resources, Fewer tags Peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, based on data through water year 2018, part 2 The USGS Wyoming-Montana Water Science Center (WY–MT WSC) completed a report (Sando and McCarthy, 2018) documenting methods for peak-flow frequency analysis following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 66.7-, 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance probabilities (AEPs) for selected streamgages operated by the WY–MT WSC. This data release presents peak-flow frequency analyses for selected streamgages in and near the Milk River Basin, Montana, that were based on methods described by Sando and McCarthy (2018). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Hydrology, Land, Milk River, Milk River Headwaters, Montana, All tags... North America, USGS Science Data Catalog (SDC), USGS-CC Natural Hazards, United States, Upper Milk River, Water Resources, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Part 4 – Photographs of sediment cores collected in 2018 from Lake Powell, Utah This section of the data release includes core images in the format of photos (JPG) that have been compressed into a zipped file (2018LakePowellCoring_CorePhotos.zip). It is Part 4 (of four) in this data release and contains images of the cleaned archival half from split cores as they appeared immediately after splitting (late March and early April 2019). Each photo includes a ruler (in centimeters) and X-Rite ColorChecker Classic color correction card that may be used for corrections. Drillhole information, such as location and total recovery, are outlined in “Part 1 – Drillhole information from the 2018 coring project in Lake Powell, Utah” (2018LakePowellCoring_DrillholeInfo.csv) of this data release. Each drillhole... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Animas River, Antelope Canyon, Bears Ears National Monument, Bullfrog, Bullfrog Bay, All tags... Canyonlands National Park, Capitol Reef National Park, Castle Butte, Cataract Canyon, Cha Bay, Cha Canyon, Coconino County, Colorado River, Dangling Rope, Deep Canyon, Dirty Devil River, Escalante River, Farley Canyon, Fourmile Canyon, Friendship Bay, Garfield County, Glen Canyon Dam, Glen Canyon National Recreation Area, Gold King Mine, Good Hope Bay, Grand Staircase-Escalante National Monument, Great Bend, Gunsight bay, Halls Bay, Halls Crossing, Hite, Hole in the Rock, Kane County, Lake Powell, Last Chance Bay, Mexican Hat, Monument Valley, Narrow Canyon, Navajo Canyon, Neshkahi Wash, North Wash, Padre Bay, Page, Piuite Canyon, Piute Farms Wash, Piute Mesa, Piute Wash, Rainbow Bridge National Monument, Reflection Canyon, Rincon, Rock Creek Bay, San Juan County, San Juan River, Silverton, State of Arizona, State of Utah, The Horn, Trachyte Canyon, Twomile Canyon, United States of America, Wahweap, Wahweap Bay, Warm Creek Bay, White Canyon, Wilson Mesa, Zahn Bay, bathymetry, bedforms, bulk density, clay deposits, contaminant transport, contamination and pollution, core analysis, dissolved metals, drilling and coring, field inventory and monitoring, geomorphology, gravel deposits, groundwater and surface-water interaction, hazards, human environmental safety, hydrogeology, hydrologic processes, hydrology, image analysis, industrial pollution, lakebed characteristics, lidar, limnology, magnetic susceptibility analysis, mine drainage, mine waste, national centers, partnerships, photography, piston coring, recreation, remediation, resistivity, rotary coring, sample repositories, sand deposits, sedimentation, sedimentology, sediment transport, soil horizons, spectrophotometry, stratigraphic sections, stratigraphic thickness, stratigraphy, stream-gage measurement, streamflow, surface-water level, surface water (non-marine), surface water quality, suspended material, toxic trace element contamination, turbidity, unconsolidated deposits, water circulation, water resources, water supply and demand, Fewer tags WATSTORE Peak flow data for peak-flow frequency analyses for selected streamgages on the Bighorn, Tongue, and Lower Yellowstone Rivers and tributaries and Home Creek, Montana, based on data through water year 2021 This file (wymt_ffa_2021A_WATSTORE.txt) contains peak flow data for peak-flow frequency analyses for selected streamgages based on data through water year 2021. The file is in a text format called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bighorn, Bighorn County, Dawson County, Land, Little Bighorn, All tags... Lower Bighorn, Lower Yellowstone, Montana, North America, Richland County, Rosebud, Rosebud County, Tongue, Treasure County, USGS-CC Natural Hazards, United States, Yellowstone, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags PeakFQ version 7.4 specifications file for peak-flow frequency analyses for selected streamgages in Dawson and Richland Counties, and the Powder River Basin, Montana, based on data through water year 2022 This file (wymt_ffa_2022A.psf) contains specifications to run PeakFQ version 7.4 for peak-flow frequency analyses for selected streamgages based on data through water year 2022. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Charlie-Little Muddy, Custer County, Dawson County, Land, Little Powder, All tags... Lower Powder, Lower Yellowstone, Middle Powder, Montana, North America, Powder River County, Redwater, Richland County, USGS-CC Natural Hazards, United States, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags WATSTORE Peak-flow frequency analyses for selected streamgages in Dawson and Richland Counties, and the Powder River Basin, Montana, based on data through water year 2022 This file (wymt_ffa_2022A_WATSTORE.txt) contains peak-flow input data for PeakFQ for peak-flow frequency analyses for selected streamgages based on data through water year 2022. The file format is called WATSTORE (National Water Data Storage and Retrieval System) available from NWISWeb (http://nwis.waterdata.usgs.gov/usa/nwis/peak). Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Charlie-Little Muddy, Custer County, Dawson County, Land, Little Powder, All tags... Lower Powder, Lower Yellowstone, Middle Powder, Montana, North America, Powder River County, Redwater, Richland County, USGS-CC Natural Hazards, United States, annual exceedance probability, computational methods, floods, hazard preparedness, hazards, hydrologic processes, hydrology, inlandWaters, peak-flow frequency, statistical analysis, stream-gage measurement, streamflow, streamflow, time series analysis, watershed management, Fewer tags Data release in support of runoff sensitivity to snow depletion curve representation within a continental scale hydrologic model This data release supports the study by Sexstone and others (2019) and contains simulation output from a hydrological modeling experiment using a specific calibration of the conterminous United States (CONUS) application of the Precipitation-Runoff Modeling System (PRMS) (Hay, 2019) as implemented in the National Hydrologic Model (NHM) infrastructure (Regan and others, 2018). The by hydrologic response unit (byHRU) calibrated, baseline version of the NHM-PRMS (Hay, 2019) was used to evaluate the sensitivity of simulated runoff to the representation of snow depletion curves (SDCs) within the NHM-PRMS across the CONUS. The model experiment consisted of seven NHM-PRMS model simulations using the calibrated NHM-PRMS... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS Science Data Catalog (SDC), United States, hydrologic processes, hydrology, snow, All tags... water budget, Fewer tags APEX Soil Temperature and Moisture Data from 2018-2020 Geophysical measurements and related field data were collected by the U.S. Geological Survey (USGS) at the Alaska Peatland Experiment (APEX) site in Interior Alaska from 2018 to 2020 to characterize subsurface thermal and hydrologic conditions along a permafrost thaw gradient. The APEX site is managed by the Bonanza Creek LTER (Long Term Ecological Research). In July 2018, soil temperature and moisture sensors were installed at six out of the nine instrument locations (APEX1, APEX2, APEX3, APEX4, APEX7, APEX9). Thermistors (PS103J2, US Sensor, Orange, CA, USA) were placed at depths of 5, 30, 60, 120, and 180 centimeters (cm) with three replicates. Three sites (APEX1, APEX4, APEX9) contained an additional single... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Bonanza Creek, Disturbance, Fairbanks North Star, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Hydrologic processes, Land Change Science Program, Permafrost, U.S. Geological Survey, USGS, environment, field monitoring stations, geoscientificInformation, hydrologic processes, permafrost, soil moisture, soil temperature, Fewer tags Part 1 – Drillhole information from the 2018 coring project in Lake Powell, Utah This section of the data release includes drillhole information in the format of a comma-separated value (CSV) file (2018LakePowellCoring_DrillholeInfo.csv). It is Part 1 (of four) in this data release and represents the broadest hierarchical information on the dataset including the drillhole name, location, water depth, sediments top and bottom, drillhole depth, and recovery for each coring location. Each drillhole comprises multiple cores which are outlined in “Part 2 – Core and core section information from the 2018 coring project in Lake Powell, Utah” (2018LakePowellCoring_CoreSectionInfo.csv) of this data release. Core logs and spectrophotometry data are available in “Part 3 – Multi-Sensor Core Logger and spectrophotometry... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Animas River, Antelope Canyon, Bears Ears National Monument, Bullfrog, Bullfrog Bay, All tags... Canyonlands National Park, Capitol Reef National Park, Castle Butte, Cataract Canyon, Cha Bay, Cha Canyon, Coconino County, Colorado River, Dangling Rope, Deep Canyon, Dirty Devil River, Escalante River, Farley Canyon, Fourmile Canyon, Friendship Bay, Garfield County, Glen Canyon Dam, Glen Canyon National Recreation Area, Gold King Mine, Good Hope Bay, Grand Staircase-Escalante National Monument, Great Bend, Gunsight bay, Halls Bay, Halls Crossing, Hite, Hole in the Rock, Kane County, Lake Powell, Last Chance Bay, Mexican Hat, Monument Valley, Narrow Canyon, Navajo Canyon, Neshkahi Wash, North Wash, Padre Bay, Page, Piuite Canyon, Piute Farms Wash, Piute Mesa, Piute Wash, Rainbow Bridge National Monument, Reflection Canyon, Rincon, Rock Creek Bay, San Juan County, San Juan River, Silverton, State of Arizona, State of Utah, The Horn, Trachyte Canyon, Twomile Canyon, United States of America, Wahweap, Wahweap Bay, Warm Creek Bay, White Canyon, Wilson Mesa, Zahn Bay, bathymetry, bedforms, bulk density, clay deposits, contaminant transport, contamination and pollution, core analysis, dissolved metals, drilling and coring, field inventory and monitoring, geomorphology, gravel deposits, groundwater and surface-water interaction, hazards, human environmental safety, hydrogeology, hydrologic processes, hydrology, image analysis, industrial pollution, lakebed characteristics, lidar, limnology, magnetic susceptibility analysis, mine drainage, mine waste, national centers, partnerships, photography, piston coring, recreation, remediation, resistivity, rotary coring, sample repositories, sand deposits, sedimentation, sedimentology, sediment transport, soil horizons, spectrophotometry, stratigraphic sections, stratigraphic thickness, stratigraphy, stream-gage measurement, streamflow, surface-water level, surface water (non-marine), surface water quality, suspended material, toxic trace element contamination, turbidity, unconsolidated deposits, water circulation, water resources, water supply and demand, Fewer tags Electrical Resistivity Tomography Data at Elizabeth Lake, Los Angeles County, California, 2019 The Santa Clara River Lakes, located along the San Andreas fault 19 miles northwest of Palmdale, California, were placed on the state’s “303(d) List” or “Impaired Water List” in 1996 for eutrophic conditions, high pH, and low dissolved oxygen. In 2016, the state adopted a Total Maximum Daily Load (TMDL) for nutrients (nitrogen and phosphorus) in the Santa Clara River Lakes. This study focuses on the largest of the three lakes, Lake Elizabeth, which is surrounded by the unincorporated town of Elizabeth Lake, CA. The local community uses on-site wastewater treatment systems instead of a centralized sewer system, resulting in potential contamination of groundwater. In response to concerns over the quality of water... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, California Water Science Center, Electrical Resistivity Tomography, Elizabeth Lake, Geophysics, All tags... Hydrology, Lake Hughes, Palmdale, Sag pond, San Andreas Fault, Santa Clara River Lakes, USGS Science Data Catalog (SDC), Water Quality, environment, geophysics, geoscientificInformation, groundwater, hydrologic processes, water resources, Fewer tags 1 2 3 4 »