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XYZ files of LiDAR and sonar data collected at Lake Superior at Minnesota Point, Duluth, MN, August 2019 This dataset is comprised of three files containing northing, easting, and elevation ("XYZ") information for light detection and ranging (LiDAR) data representing beach topography and sonar data representing near-shore bathymetry of Lake Superior at Minnesota Point, Duluth, Minnesota. The point data is the same as that in LAS (industry-standard binary format for storing large point clouds) files that were used to create a digital elevation model (DEM) of the approximately 5.9 square kilometer (2.3 square mile) surveyed area. LiDAR data were collected August 10, 2019 using a boat-mounted Optech ILRIS scanner and methodology similar to that described by Huizinga and Wagner (2019). Multi-beam sonar data were collected... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, DEM, Duluth, Great Lakes, Hydroacoustic, All tags... LAS, Lake Superior, LiDAR, Southwestern Lake Superior, Superior, XYZ, bathymetry, digital elevation models, elevation, inlandWaters, lidar, limnology, sonar, Fewer tags Monitoring Data for Willow Creek Lake, Nebraska, 2012–14—Lake Chemistry Samples were collected from Willow Creek Lake approximately monthly during May through September by the Nebraska Department of Environmental Quality as a part of the Ambient Lake Monitoring Program since at least 1989. Lake samples were analyzed for several constituents, including nutrients and chlorophyll. Though several different station identification numbers have been used over the course of monitoring, the general location of sampling corresponds to the deep site referenced in Rus and others (2018). Categories: Data; Tags: Willow Creek, Willow Creek Lake, algal blooms, nutrient content (water) Undiscovered Natural Gas Liquids Colorado Plateau This dataset is based on U.S. Geological Survey (USGS) resource assessments for “undiscovered” natural gas liquid resources, which are resources that have not yet been extensively proven by drilling (USGS 2014). Individual resource assessments describe the amount of petroleum resources in units with similar geologic features. We quantified the density of natural gas liquid resources by adding together the amounts in spatially overlapping assessment units and dividing these totals by polygon areas. Since assessments for geologic areas used in this analysis were completed at various times, the certainty related to these values is likely to vary according to geologic unit. USGS [U.S. Geological Survey]. 2014. Energy... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, Colorado, Colorado headwaters-Plateau, Nevada, New Mexico, All tags... Utah, geoscientificInformation, petroleum, Fewer tags Chemical and isotopic composition of produced waters from the lower Eagle Ford Group, south-central Texas This dataset contains chemical and isotopic data from 39 produced water samples collected from sealed separators containing water from horizontal hydrocarbon wells in the lower Eagle Ford Group. The samples were collected from Lavaca and Gonzales counties, Texas in December, 2015. All wells had been in production for longer than 6 months and had produced more than 10,000 barrels (~160,000 liters) of water. Categories: Data; Tags: Energy Resources, Texas, USGS Science Data Catalog (SDC), geochemistry, groundwater geochemistry, All tags... isotope geochemistry, oil resources, Fewer tags Reproductive ecology data for female Agassiz's desert tortoises (Gopherus agassizii) in Joshua Tree National Park, USA These data were compiled to evaluate the reproductive ecology of Agassiz's desert tortoises (Gopherus agassizzi) in the Sonoran Desert of California using two populations within Joshua Tree National Park, including five reproductive seasons that spanned 20 years (1997-1999, 2015-2016). Compared to their conspecifics inhabiting the Mojave Desert, the reproductive ecology of G. agassizii in the Sonoran Desert is understudied. Climatic variation between the two deserts can affect reproductive ecology, including fecundity and clutch phenology. Mature female tortoises (straight-line carapace length ≥ 20 cm) outfitted with radiotransmitters were located and X-radiographed approximately every 10-14 days during the reproductive... Categories: Data; Tags: Agassiz's desert tortoise, California, Ecology, Geography, Gopherus agassizii, All tags... Information Sciences, Joshua Tree National Park, Sonoran Desert, USGS Science Data Catalog (SDC), Wildlife Biology, X-radiography, X-ray egg width, biota, climatic variation, clutch number, clutch phenology, clutch size, ecology, egg production, egg size, fecundity, field monitoring, field sampling, nests, reproductive ecology, size, tortoise, Fewer tags 3) Streambed particle data Seventeen streamflow-gaging stations, operated by the U.S. Geological Survey and distributed across the Ouachita Mountains of Arkansas and Oklahoma were selected for analysis. Bed material sampling was conducted to obtain information on the particle-size distributions of the streambed materials and to determine the shapes of the individual particles comprising the streambeds. Information on stream-bed particle-size distribution was used to compute the potential rate of bed-load transport and is a parameter used in the Rosgen (Rosgen, 1996) stream reach classification system. Streambed-material particle sizes were measured using two methods. The first method was Wolman pebble counts conducted across the riffles... Types: Citation; Tags: Alum Fork Saline River, AR, Arkansas, Bankfull, Barnes Branch, AR, Bed-load, All tags... Big Fork Stream, AR, Caddo River, AR, Cossatot River, AR, Fouche LaFave River, AR, Geomorphology, Glazypeau Creek, AR, Hydraulic Geometry, Jackson Creek, AR, Kiamichi River, OK, Lewis Creek, AR, Little Missouri River, AR, Little Sugarloaf Creek, AR, Mountain Fork, OK, Oklahoma, Ouachita Mountains, Regional Curves, Rock Creek, AR, Saline River, AR, Stream Classification, Twomile Creek, AR, Fewer tags Permafrost Soil Measurements; Alaska, 2015 This release contains Active Layer Thickness (ALT) and Organic Layer Thickness (OLT) measurements measured along transects in Alaska, 2015. Site condition information in terms of wildfire burns is also included. Categories: Data; Types: Citation; Tags: Active layer, Active layer thickness, Alaska, Borehole nuclear magnetic resonance, Chatanika, All tags... City of Fairbanks, Coldfoot, Disturbance, Fire, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Organic layer, Organic layer thickness, Permafrost, Resistivity profiling, Soils, Toolik Lake, environment, fire damage, fires, geoscientificInformation, permafrost, resistivity, soil moisture, Fewer tags Undiscovered Continuous Oil, Colorado Plateau This dataset is based on U.S. Geological Survey (USGS) resource assessments for “undiscovered” oil resources, which are resources that have not yet been extensively proven by drilling (USGS 2014). Individual resource assessments describe the amount of petroleum resources in units with similar geologic features. We focused on the amount of undiscovered continuous oil because technological advances have made exploitation of continuous resources increasingly profitable and large amounts remain undeveloped in comparison with conventional resources. We quantified the density of continuous oil resources by adding together the amounts in spatially overlapping assessment units and dividing these totals by polygon areas.... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, Colorado, Colorado headwaters-Plateau, Nevada, New Mexico, All tags... Utah, geoscientificInformation, oil resources, Fewer tags Cross-Section Data of the South Platte River near Fort Morgan, Colorado, 2017 The USGS Colorado Water Science Center, in cooperation with the Colorado Water Conservation Board, collected hydraulic data for the South Platte River for areas adjacent to Fort Morgan, Colo., based on the USGS streamgage 06759500 South Platte River at Fort Morgan, CO. The hydraulic data include survey point data for 54 cross sections and 10 pressure transducers, which are used to record the river stage beginning at Morgan County Road 16 and extending downstream to Morgan County Road 20.5 near Fort Morgan, Colo. The cross-section and pressure transducer location data were collected using real-time kinematic Global Navigation Satellite Systems by USGS personnel from February 15, 2017, through April 18, 2017. These... Tags: Colorado, Fort Morgan, Morgan County, South Platte River, flood, All tags... flood inundation map, hazard, hydraulic modeling, streamgage, Fewer tags Shapefiles of the flood-inundation maps for the Meramec River at Arnold, Missouri, 2018 Digital flood-inundation maps for a 9.5-mile reach of the Meramec River at Arnold, Missouri, were created by the U.S. Geological Survey (USGS) in cooperation with the United States Army Corps of Engineers, St. Louis Metropolitan Sewer District, Missouri Department of Transportation, Missouri American Water, Federal Emergency Management Agency Region 7, the City of Pacific, the City of Eureka, the City of Wildwood, and the City of Arnold. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science Web site at http://water.usgs.gov/osw/flood_inundation/, depict estimates of the areal extent and depth of flooding corresponding to selected water levels (stages) at the USGS streamgage... Tags: Arnold, Eureka, Fenton, Meramec River, Missouri, All tags... Valley Park, flood, flood-inundation maps, flooded area, geospatial analysis, high-water marks, river/stream, Fewer tags Exotic and perennial grass cover for pastures in the Soda Fire (2016) The point data file ("Soda Fire Point and Pasture Data (2016).Point Data.csv") includes 2016 vegetative cover values of exotic annual grass and perennial grass measured within three different types of plots for 75 pastures in the Soda Fire, which burned in 2015: 6m² plot using a grid-point intercept photo software, SamplePoint (Booth et al. 2006), 1m² quadrat using an unguided rapid ocular estimate in the field, 531m² circular plot using an unguided rapid ocular estimate in the field. Smaller plots were nested within larger plots. The pasture data file ("Soda Fire Point and Pasture Data (2016).Pasture Data.csv") includes pasture level metrics of area, elevation, precipitation, slope, heatload, soils, and herbicide... Categories: Data; Types: Citation; Tags: Botany, Ecology, Idaho, Idaho BLM, Land Use Change, All tags... Malheur County, Oregon, Owyhee County, Soda Wildfire, USGS Science Data Catalog (SDC), biota, exotic annual grass, fires, grid point intercept, perennial grass, sample size, vegetation, vegetation cover, Fewer tags Surveyed bank locations of the Lake Sharpe shoreline at selected locations on the Lower Brule Reservation, South Dakota, 2010–15 Real-time kinematic global navigation satellite system equipment was used to survey the edge of bank at selected locations on the Lake Sharpe shoreline near Lower Brule South Dakota at intervals from 2010–15. This work was completed by the U.S. Geological Survey in cooperation with the Lower Brule Sioux Tribe Environmental Protection Office. Tags: Big Bend Dam, Lake Sharpe, Lower Brule, Lower Brule, Missouri River, All tags... South Dakota, South Dakota, erosion, Fewer tags Metagenomics analysis of groundwater, surface water, and sand samples at Jeorse Park in East Chicago, Indiana, 2017 This dataset provides results of a targeted bacterial community metagenomic analysis of surface water, groundwater, and sand samples at Jeorse Park on Lake Michigan in East Chicago, Indiana. Seventy-two samples were collected from 6 sites in 2017. Samples were analyzed for the 16S ribosomal RNA (16S rRNA) gene (the S in 16S refers to the rate of sedimentation, in Svedberg units, of the RNA molecule in a centrifugal field), and one sample was excluded because it produced too few reads. The 16S rRNA gene is the most conserved of three rRNA genes (16S, 23S, and 5S) and is considered the most reliable for identification and taxonomic classification of bacterial species (Bouchet and others, 2008). Taxonomic analysis... Tags: 16S rRNA, East Chicago, IN, Great Lakes, Jeorse Park, Lake Michigan, All tags... Northwest Indiana, bacteria, beach health, gene sequence analysis, nearshore, Fewer tags Principal components of climate variation in the Desert Southwest for the future time period 2040-2070 (RCP 4.5) Five principal components are used to represent the climate variation in an original set of 12 composite climate variables reflecting complex precipitation and temperature gradients. The dataset provides coverage for future climate (defined as the 2040-2070 normal period) under the RCP4.5 emission scenarios. Climate variables were chosen based on their known influence on local adaptation in plants, and include: mean annual temperature, summer maximum temperature, winter minimum temperature, annual temperature range, temperature seasonality (coefficient of variation in monthly average temperatures), mean annual precipitation, winter precipitation, summer precipitation, proportion of summer precipitation, precipitation... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Arizona, California, Colorado, Colorado Plateau, Great Basin, All tags... Mojave Desert, Nevada, New Mexico, Sonoran Desert, United States, Utah, atmospheric and climatic processes, climatologyMeteorologyAtmosphere, geospatial analysis, precipitation, Fewer tags Site identification, location, temperature and CO2 flux from diffuse emission measurement at the Tiptop coal mine fire, Kentucky (2009) The dataset consists of site identification, location, temperature and CO2 flux from diffuse emission measurement at the Tiptop fire. A total of 40 CO2 flux measurements were made at 27 locations, including five points (seven measurements) outside of the active coal fire area. Categories: Data; Tags: Energy Resources, Environmental Health, Kentucky, Perry County, USGS Science Data Catalog (SDC), All tags... coal resources, fires, Fewer tags Investigating the effects of broad ion beam milling to sedimentary organic matter To test if reflectance increases to sedimentary organic matter (vitrinite) caused by broad ion beam (BIB) milling were related to molecular aromatization and condensation, we used Raman and Fourier transform infrared (FTIR) spectroscopies to evaluate potential compositional changes in the same vitrinite locations pre- and post-BIB milling. The same locations also were examined by atomic force microscopy (AFM) to determine topographic changes caused by BIB milling (as expressed by the areal root-mean-square roughness parameter Rq). Samples consisted of four medium volatile bituminous coals. We used a non-aggressive BIB milling approach with conditions of [(5 min, 4 keV, 15°incline, 360° rotation at 25 rpm and 100%... Categories: Data; Tags: Bituminous Coal, Broad Ion Beam, Coal resources, Energy Resources, Geochemistry, All tags... Ion Milling, Pennyslvania, Sedimentary Organic Matter, Thermal Maturity, USGS Science Data Catalog (SDC), Vitrinite reflectance, Fewer tags Assessment of Field and Laboratory Methods for the Detection and Analyses of Cyanobacteria and Cyanotoxins in Texas Reservoirs In cooperation with the Texas Commission on Environmental Quality (TCEQ), the U.S. Geological Survey (USGS) utilized various field and laboratory methods to determine the presence and concentration of cyanobacteria, cyanotoxins, and taste-and-odor compounds in Texas water bodies. This data release documents the results from water-quality samples collected from 41 water bodies in Texas during 2016–19. Both qualitative and quantitative field and laboratory methods were performed. Analyses included phytoplankton taxonomy, measurements of phytoplankton biomass, and concentrations of cyanotoxins, taste-and-odor compounds, and photosynthetic pigments. Water-quality samples were also collected to provide supporting data... Tags: Benbrook Lake, Braunig Lake, Caddo Lake, Caruth Lake, Cedar Creek Reservoir, All tags... E V Spence Reservoir, Fairfield Lake, Fort Phantom Hill Lake, Grapevine Lake, Jim Chapman Lake, Lake Arrowhead, Lake Buchanan, Lake Cisco, Lake Fork Reservoir, Lake J B Thomas, Lake Kemp, Lake Kiowa, Lake Lewisville, Lake Meredith, Lake Murvaul, Lake O' the Pines, Lake Palestine, Lake Palo Pinto, Lake Tawakoni, Lake Texoma, Lake Whitney, Lavon Lake, Millers Creek Reservoir, NRCS Upper Bosque River, O H Ivie Reservoir, Pat Mayse Lake, Phelps Lake, Ray Hubbard Lake, Ray Roberts Lake, Richland Chambers Reservoir, Sheldon Reservoir, Somerville Lake, Stillhouse Hollow Lake, Texas, Twin Buttes Reservoir, USGS Science Data Catalog (SDC), Water Quality, Water Resources, Wright Patman Lake, algae, blue-green algae, cyanobacteria, phytoplankton, water quality, Fewer tags USGS National and Global Oil and Gas Assessment Project-Eastern Great Basin Province, Delle Phosphatic Member Shale Assessment Unit Boundaries and Assessment Input Data Forms This data release contains the boundaries of assessment units and input data for the assessment of continuous oil and gas resources in the Delle Phosphatic Member of the Mississippian Woodman Formation, western Utah, eastern Nevada and southeastern Idaho. The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown herein as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Assessment Unit, Continuous Assessment Unit, Delle Phosphatic Member Shale Gas, Delle Phosphatic Member Shale Oil, Energy Resources, All tags... Energy Resources, Geology, NOGA2000, National Assessment of Oil and Gas, Natural Gas, Oil, OilGas, Resource Assessment, State of Idaho, State of Nevada, State of Utah, USGS Science Data Catalog (SDC), Unconventional Assessment Unit, United States of America, energy resources, geoscientificInformation, natural gas resources, oil resources, petroleum, Fewer tags 1930-1932 Gill net data from Lake Michigan These data describe the catch and biological data from 363 bottom-set gill-net lifts distributed throughout Lake Michigan (including main basin and Green Bay) between April and November in 1930–1932. Data collected from the R/V Fulmar were recorded in notebooks and are now archived at the U.S. Geological Survey’s Great Lakes Science Center. Each lift included 1–7 gangs of linen gill nets. Each gang comprised 3–5 panels each having a length of 155 m, a height of 1.5 m, and a (stretch-)mesh size of either 60, 64, 67, 70, or 76 mm. The digitization of the Fulmar data notebooks was started in the late 1990s and finished in this study. Categories: Data; Tags: Aquatic Biology, Cisco, Ecology, Fishing with Benthic Fixed Gear, Gill net, All tags... Lake Michigan, Lake Michigan, USGS Science Data Catalog (SDC), benthic ecosystems, biota, fish, fisheries biology, fishery management, freshwater ecosystems, habitats, inland fishery resources, Fewer tags RestoreNet: seedling treatment and site environmental characteristics data at restoration treatment plots in northern Arizona, USA This dataset is from a restoration field study conducted at seven sites distributed across the southern Colorado Plateau in northern Arizona as part of the RestoreNet dryland restoration field trial network. The data consist of post-experimental restoration treatment (2018-2019) plant density and height measurements along with site precipitation, temperature, and soils data. Plant data were collected through plot monitoring visits distributed throughout the first year following restoration treatments and seeding. Tags: Arizona, Botany, Colorado Plateau, Ecology, Flagstaff, All tags... Forestry, Geography, Information Sciences, Soil Sciences, USGS Science Data Catalog (SDC), air temperature, biogeography, biota, drylands, ecosystem restoration, environmental variation, field experiments, field inventory and monitoring, field methods, geoscientificInformation, measurement, northern Arizona, plant density, plant growth, plant recruitment, post-experimental, post-restoration, precipitation (atmospheric), restoration treatments, seed mixes, seed treatments, seeding, seedling emergence, seedling establishment, seedling recruitment, seedling survival, site environmental characteristics, site environmental data, soil resources, southwestern United States, Fewer tags 1 2 3 4 5 ... »