AndreaBozzo/ceres-open-data-index huggingface dataset:
Digital elevation models (DEMs) of northern Monterey Bay, California, March 2016

This part of the data release presents digital elevation models (DEMs) derived from bathymetry and topography data of northern Monterey Bay, California collected in March 2016. Bathymetry data were collected using two personal watercraft (PWCs), each equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers. Topography data were collected on foot with GNSS receivers mounted on backpacks and with an all-terrain vehicle (ATV) using a GNSS receiver mounted at a measured height above the ground. Additional topography data were collected with a terrestrial lidar scanner. DEM surfaces were produced from all available elevation data using linear interpolation.

Tags: bathymetry, bathymetry-and-elevation, bathymetry-measurement, cmgp, coastal-and-marine-geology-program, coastal-sediment-budget, digital-elevation-models, echo-sounders, elevation, global-positioning-system-gps-observations, gps-global-positioning-system, gps-measurement, lidar, monterey-bay, monterey-county, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, santa-cruz-county, single-beam-echo-sounder, topographic-mapping, topography, u-s-geological-survey, usgs, usgs-59f10ea5e4b0220bbd9c6bdc, water-depth
Organization: Department of the Interior
Data for P- and S-wave Velocity Models Incorporating the Cascadia Subduction Zone for 3D Earthquake Ground Motion simulations- Update for Open-File Report 20017-1348

The data for this release is an ASCII file containing grid points of Cascadia P- and S-wave velocity models. The model volume was developed to include the Cascadia subduction zone for purposes of ground motion simulation. The description of the model and background of its development is provided in the associated Open-File Report. The grid points are given in Universal Transverse Mercator (UTM) Zone 10 North coordinates for East and North locations, and the grid point depths are given in meters below mean sea level. Grid point spacing is 500 meters in each ordinal direction. The model region extends approximately from 40.2°N to 50°N latitude, and approximately from 122°W to 129°W longitude.

Tags: cascadia-subduction-zone, earth-science, earthquake-hazard, earthquake-hazards-program, ehp, geologic-hazards-science-center, ghsc, ground-motion-simulation, p-and-s-wave-velocity-models, usgs, usgs-59f1e68be4b0220bbd9dd4b4
Organization: Department of the Interior
Associations between cyanobacteria and indices of secondary production in the western basin of Lake Erie

Large lakes provide a variety of ecological services to surrounding cities and communities.  Many of these services are supported by ecological processes that are threatened by the increasing prevalence of cyanobacterial blooms which occur as aquatic ecosystems experience cultural eutrophication.  Over the past 10 years, Lake Erie experienced cyanobacterial blooms of increasing severity and frequency, which have resulted in impaired drinking water for the surrounding communities.  Cyanobacterial blooms may impact ecological processes that support other services, but many of these impacts have not been documented.  Secondary production (production of primary consumers) is an important process that supports economically important higher trophic levels.  Cyanobacterial blooms may influence secondary production because 1) cyanobacteria are a poor quality food resource and 2) cyanotoxins may be harmful to consumers.  Over three years at 36 sites across the western basin of Lake Erie, we measured 3 indices of secondary production: growth of a native unionid mussel, the size of young-of-year dreissenid mussels, and the mass of colonizing animals on a Hester-Dendy sampler.  These indices were related to models with and without cyanobacterial data to assess whether cyanobacteria are associated with variation in secondary production in the western basin of Lake Erie.  The results suggest cyanobacterial abundance alone is only weakly associated with secondary production, but that cyanotoxins have a bigger effect on secondary production.   Given recent summer’s high cyanobacteria abundance, this impact on secondary production has the potential to undermine Lake Erie’s ability to support important ecosystem services.

Tags: cyanobacteria-blue-green-algae, great-lakes, great-lakes-science-center, kansas-water-science-center, lake-erie, mussel, secondary-production, upper-midwest-environmental-sciences-center, usgs-59f21eace4b0220bbd9ddcdb
Organization: Department of the Interior
Chemistry analysis results for groundwater, soil-pore water, soil and plant material collected from two agricultural sites in the Nanticoke and Chester River watersheds on the Delmarva Peninsula from 2013 to 2016.

This metadata record documents 8 comma delimitated files that support the USGS Scientific Investigations Report 2018-5020 on field studies in the Bucks Branch watershed and the Andover Branch watershed.  Data were collected from two fields at two locations and include: groundwater, soil water, soils and plant tissue chemistry.  Data also include sulfur hexafluoride and dissolved gas concentrations used in age dating of groundwater.

Tags: agriculture, chesapeake-bay-watershed, coastal-plain, cover-crop, delmarva-peninsula, groundwater-and-surface-water-interaction, groundwater-level, groundwater-quality, humid-subtropical, hydrogeology, irrigation, kjeldahl-nitrogen, nitrogen, nutrient-content-water, nutrient-pollution, soil-moisture, united-states, unsaturated-zone, usgs-59f3679fe4b013d2e9299b2a
Organization: Department of the Interior
Big Island Mining (AT-03): 2016 habitat classification

The Louisiana State Legislature created Coastal Wetlands Planning, Protection, and Restoration Act (CWPPRA) in order to conserve, restore, create and enhance Louisiana's coastal wetlands. The wetland restoration plans developed persuant to these acts specifically require an evaluation of the effectiveness of each coastal wetlands restoration project in achieving long-term solutions to arresting coastal wetlands loss. This data set includes mosaicked aerial photographs for the Big Island Mining (AT-03) project for 2016. This data set is used as a basemap for habitat classification. It also serves as a visual tool for project managers to help them identify any obvious problems or land loss within their project boundary. To better evaluate the effectiveness of restoration efforts, a habitat classification is performed on specific CWPPRA sites to help assess landscape changes.

Tags: aerial-photography, at-03, coastal-conservation, coastal-enhancement, coastal-louisiana, coastal-restoration, cwppra, doqq, gis, gulf-of-mexico, habitat, image, louisiana, monitoring, mosaic, rectification, satelite-imagery, scan, south-louisiana, usgs-59f369cde4b013d2e9299b3b, wetlands
Organization: Department of the Interior
SANAHAB -- Benthic Habitat polygons for South Anacapa Island (UTM 10N, NAD83)

Benthic habitat polygon coverages have been created for marine reserve locations surrounding the Santa Barbara Basin.  Diver, ROV and submersible video transects, bathymetry data, sedimentary samples, and sonar mapping, have been integrated to describe the geological, biological, and oceanographic aspects of habitat.  Anacapa Reserve, is part of the Marine Ecological Reserves Research Program (MERRP).  The U.S. Geological Survey (USGS), in a cooperative project with Sea Grant-MERRP and investigators at National Marine Fisheries Service (NMFS), the Channel Islands National Marine Sanctuary (CINMS), and National Park Service (NPS) has collected sidescan sonar and video data to produce a polygon coverage. The habitat polygons have attributes for megahabitat, bottom induration, macrohabitat (where macrohabitat observations are available), polygon area, polygon perimeter, and water depth.  The habitat GIS shows rocky habitat suitable for rockfish (Sebastes sp.), abalone (Haliotis sp.), and other threatened benthic species from the shoreline out to the 100-m depth limit of the survey.

Tags: benthic-habitat, biota, ca, california, channel-islands, channel-islands-national-marine-sanctuary, cmhrp, coastal-and-marine-hazards-and-resources-program, coastal-geology, fisheries, geology, geoscientificinformation, habitats, marine-geology, north-pacific-ocean, northern-pacific-ocean, oceans, pacific-coastal-and-marine-science-center, pcmsc, santa-barbara, santa-cruz-islands, scientific-interpretation, sea-floor-characteristics, seafloor, south-anacapa-island, southern-california, u-s-geological-survey, united-states, usa, usgs, usgs-59f73c10-e5b1-426c-b6a0-790825baf92e, ventura, west-coast
Organization: Department of the Interior
Mercury and Methylmercury Concentrations and Litterfall Mass in Autumn Litterfall Samples Collected at Selected National Atmospheric Deposition Program Sites in 2016

Mercury (Hg) is a persistent environmental contaminant and can accumulate and concentrate in food webs as methylmercury (MeHg), presenting a health risk to humans and wildlife. Multiyear monitoring and modeling studies have shown that atmospheric Hg in litterfall is an important form of Hg deposition to forests. Annual litterfall consists primarily of leaves with some amounts of needles, twigs, bark, flowers, seeds, fruits, and nuts. Atmospheric Hg accumulates in leaves and reaches an annual maximum concentration at autumn leaf drop. This data set is derived from ambient autumn litterfall samples collected at 23 selected National Atmospheric Deposition Program (NADP) Litterfall Mercury Monitoring Initiative (LMMI) sites located near NADP Mercury Deposition Network sites in deciduous and mixed deciduous-coniferous forests in 11 states in the eastern United States during 2016. The NADP administered litterfall collection at the LMMI sites. The U.S. Geological Survey (USGS) distributed sets of passive litterfall sample collectors to LMMI site operators for systematic retrieval of samples during the 4 to 24 weeks of autumn leaf drop at each site. Samples were processed and analyzed at the USGS Mercury Research Laboratory where concentrations of Hg and MeHg and litterfall dry mass and sample moisture were determined. Hg concentrations were measured in 4 samples collected from each site and MeHg concentrations were measured in one composite sample per site. Litterfall mass and sample moisture were determined for 8 samples per site. Duplicate sets of these sample data were determined for 3 sites in 2016.

Tags: atmospheric-deposition, georgia, indiana, maryland, mercury, michigan, minnesota, missouri, new-york, pennsylvania, south-carolina, tennessee, usgs-59f88860e4b063d5d309ef5c, wisconsin
Organization: Department of the Interior
Water Data for Nisqually River at Site NR1

A vented conductivity, temperature and depth sensor (CTD, InSitu Aqua Troll) was installed at site NR1 (N 47d 04’ 16.1”/W 122d 42’ 15.5”) and continuously measured water temperature, water depth, specific conductance, and salinity at 15-minute intervals from February 11, 2016 to July 18, 2016 (159 days). The sensor was replaced with a vented water-level logger (InSitu Level Troll) on July 19, 2016 and deployed until March 19, 2018 (608 days). The site is tidally influenced and located approximately 4.1 km upstream from the mouth of the Nisqually River and within the tidal prism. The elevation (NAVD88) of the top of the deployment pipe was surveyed by RTN-GPS. Tape-down measurements from the top of the pipe to the water surface at the time of water depth measurements by the sensor were used to determine an offset for converting water depth to water surface elevation (NAVD88). The offset needed to convert all water depth time-series data to water surface elevation (NAVD88) is -0.26 meters. Water depth ranged from 1.38 to 4.50 m, water temperature ranged from 2.0 to 20.0 degrees C, specific conductance ranged from 54 to 12,200 (uS/cm), and salinity ranged from 0.0 to 7.0 practical salinity units (PSU). Data gaps of 15-minutes or more were reported as “NA”. Missing Level Troll data occurred from 10/07/2016 to 11/22/2016 and 11/29/2016 to 12/14/2016 and was the result of communication errors with the sensor. This site is also referenced as "USGS 12090248 Nisqually River at I5 near Nisqually, WA". Suspended sediment sample and discrete discharge data at this site are available at: https://waterdata.usgs.gov/wa/nwis/inventory/?site_no=12090248&amp;agency_cd=USGS&amp;. A summary of suspended-sediment sample data are provided with this data release in the file NR1_SSC_summary.csv.

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8a6bde4b063d5d309eff8
Organization: Department of the Interior
Water Data for Nisqually River at Site NR3

A vented conductivity, temperature and depth sensor (CTD, InSitu Aqua Troll) was installed at site NR3 (N 47o 05’ 12”/W 122o 42’ 22”) and continuously measured water level, water temperature, specific conductance, and salinity at 15-minute intervals from February 12, 2016 to August 7, 2016 (177 days) and from October 7, 2016 to February 8, 2017 (124 days). This site is tidally influenced and located approximately 2.2 km upstream from the mouth of the Nisqually River. Elevation (NAVD88) of the deployment pipe was surveyed by RTN-GPS. Elevation of pipe plus distance to sensor is included in the offset.  The offset needed to convert water depth to NAVD88 water surface elevation is -0.31 meters. . Water depth of the sensor ranged from 0.04 to 4.23 m. Temperature ranged from 2.1 to 20.5 C. Specific conductance ranged from 13 to 45,030 microSiemens per centimeter (uS/cm). Salinity ranged from 0.0 to 29.1 practical salinity units (PSU). Water level in the river dropped below the elevation of the sensor during periods of low river flow coincident with low tide. Data gaps of 15-minutes or more were reported as “NA”. Missing data occurred from 01/23/2017 to 01/26/2017 and was the result of vandalism to the sensor cable.  NWIS site ID is 12090255 Nisqually River near Nisqually NWR at Nisqually, WA.

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8d527e4b063d5d309f1f3
Organization: Department of the Interior
Water Data for Nisqually River Delta at Site D3 (ver. 1.1, December, 2019)

An upward-looking acoustic Doppler velocity meter (ADVM, SonTek SW, 3.0 MHz) located in a tidal channel of the Nisqually River Delta at site D3 (N 47d 05’ 36.5”/W 122d 42’ 42.9”) measured water level and current velocity at 15-minute intervals from April 1, 2017 to July 20, 2017 (80.9 days, excluding missing periods). This site is in a tidal channel at a levee breach where flow is tidally influenced. The water depth of the sensor ranged from 0.05 to 3.04 m and may have been lower during periods of extreme low tide. The elevation (NAVD88) of the ADVM sensor was surveyed by RTN-GPS. The offset to convert all water depth time-series data to water surface elevation (NAVD88) is 0.47 meters. The instrument temperature ranged from 7.2 to 23.0 degrees C but may be bias during periods of low tide due to solar heating of the submerged instrument. The mean downstream velocity component (Vx) ranged from -0.81 to 0.81 m/s. The mean vertical velocity component (Vy) ranged from -0.40 to 0.49 m/s and signal to noise ratio ranged from 21.3 to 82.8 dB. The ADVM measured the water-velocity profile using a dynamic boundary adjustment mode allowing up to 10 velocity measurements in the water-column profile. Time-series gaps of 15-minutes or more occurred when the instrument was offline, when error thresholds were exceeded, or when the water level in the channel dropped below the elevation of the sensor during periods of extreme low tide. Discrete discharge data at this site are available at: https://waterdata.usgs.gov/wa/nwis/inventory/?site_no=12081525&amp;agency_cd=USGS&amp;

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8d796e4b063d5d309f216
Organization: Department of the Interior
Water Data for Nisqually River Delta at Site D2

An upward-looking acoustic Doppler velocity meter (ADVM, SonTek SW, 3.0 MHz) located in a tidal channel of the Nisqually River Delta at site D2 (N 47d 05’ 37.2”/W 122d 42’ 56.4”) measured water level and current velocity at 15-minute intervals from February 16 to July 20, 2017 (104 of 154 days, accounting for missing periods). This site is in a tidal channel at a levee breach where flow is tidally influenced. The water depth of the sensor ranged from 0.04 to 4.63 m and may have been lower during periods of extreme low tide. The elevation (NAVD88) of the ADVM sensor was surveyed by RTN-GPS. The offset to convert all water depth time-series data to water surface elevation (NAVD88) is 0.06 meters. Instrument temperature ranged from 4.6 to 24.2 degrees C but may be bias during periods of low tide due to solar heating of the instrument. The mean downstream velocity component (Vx) ranged from -0.96 to 0.77 m/s. The mean vertical velocity component (Vy) ranged from -0.25 to 0.27 m/s and signal to noise ratio ranged from 13.2 to 74.2 dB. The ADVM measured the water-velocity profile using a dynamic boundary adjustment mode allowing up to 10 velocity measurements in the water-column profile. Time-series gaps of 15-minutes or more occurred when the instrument was offline, when error thresholds were exceeded, or when the water level in the channel dropped below the elevation of the sensor during periods of extreme low tide. This site is also referenced as "USGS 12081520 Madrone Channel near Olympia, WA". Discrete discharge data at this site are available at: https://waterdata.usgs.gov/wa/nwis/inventory/?site_no=12081520&amp;agency_cd=USGS&amp;

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8d84ae4b063d5d309f220
Organization: Department of the Interior
Water Data for McAllister Creek at Site MC2 (ver. 1.1, December, 2019)

An upward-looking acoustic Doppler velocity meter (ADVM; Sontek XR, 1.5 MHz) was deployed in McAllister Creek at site MC2 (N 47o 05’ 43”/W 122o 43’ 38”) and continuously recorded water velocity, temperature and water level at 5-minute intervals from September 26, 2016 to October 14, 2016 (18 days), and at 15-minute intervals from December 2, 2016 to May 25, 2017 (174 days) except for the period of March 6 – 11, 2017 when the sensor was removed for maintenance and battery replacement. The site is tidally influenced and located approximately 0.7 km upstream from the mouth of McAllister Creek. The measurement averaging interval for the ADVM was 60 s. The blanking distance was set at 0.5 m and the cell end was set at 4.5 m. The ADVM was deployed in profiling mode with no dynamic adjustment and measured velocities in up to 10 cells of 0.4 m size. The ADVM was mounted on an aluminum grate on the channel bed and remained in the same location during the deployment periods. The top of the ADVM was surveyed by RTN-GPS. The water surface was surveyed by RTN-GPS at the time of water level measurements by the sensor and results were used to determine an offset (-1.59 m) for converting water depth to water surface elevation (NAVD88). Water temperature ranged from 1.5 to 17.5 degrees C. Water depth ranged from 0.81 to 5.58 m. The East component of the 3-D velocity vector (Ve) ranged from -0.25 to 0.41 m/s, the North component of the velocity vector (Vn) ranged from -0.90 to 1.12 m/s and the upward velocity component (Vu) ranged from -0.09 to 0.05 m/s. The signal-to-noise ratio ranged from 31.4 to 77.1 decibels (dB). Speed is the absolute value of the water velocity magnitude and ranged from 0.00 to 1.20 m/s. Degrees True North (Dtn) is the directional heading of the water speed in degrees from True North and ranged from 0 to 360°. Data gaps of 15-minutes or more were reported as “NA”. This site is also referenced as "USGS 12081516 McAllister Creek Estuary near Olympia, WA". Discrete discharge measurements made at this site are available at: https://waterdata.usgs.gov/wa/nwis/inventory/?site_no=12081516&amp;agency_cd=USGS&amp;

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8d993e4b063d5d309f241
Organization: Department of the Interior
Water Data for McAllister Creek at Site MC3

Two sensors, a vented conductivity, temperature and depth sensor (CTD) and a turbidity meter, were installed on a piling at the mouth of McAllister Creek at site MC3 (N 47o 06’ 01”/W 122o 43’ 36”) and connected to a telemetered data collection platform that was used to program, power, and log data for each sensor. Timing of the 15-minute sampling interval was synched among both sensors. The site is tidally influenced. The CTD (InSitu Aqua Troll) measured water temperature, water depth, specific conductance, and salinity from December 24, 2016 to February 17, 2017 (55 days). Water depth ranged from 0.52 to 5.49 meters. Temperature ranged from 1.1 to 9.8 degrees C. Specific conductance ranged from 5,500 to 43,100 uS/cm. Salinity ranged from 3.4 to 31.5 PSU. The turbidity meter (FTS DTS-12) measured turbidity and temperature from December 1, 2016 to March 31, 2017 (120 days). Turbidity ranged from 0.6 to 103.6 FNU. Temperature ranged from 1.3 to 13.1 degrees C. Data gaps of 15-minutes or more were reported as “NA” and occurred when either: the variance of turbidity measurements exceeded twice the measured value, or when the turbidity sensor was out of water. NWIS Site ID 1208151620 McAllister Creek Estuary at Mouth near Olympia, WA.

Tags: billy-frank-jr-nisqually-national-wildlife-refuge, hydrodynamics, salinity, sediment, specific-conductance, stream-stage, temperature, thurston-county, time-series-data, usgs-59f8d9a9e4b063d5d309f243
Organization: Department of the Interior
Field spectra from the Snake River in Grand Teton National Park, WY, August 23, 2015

Field spectra were collected from the Snake River in Grand Teton National Park, WY, August 23, 2015, to support research on remote sensing of rivers. Reflectance measurements were made from a raft in the Swallow Bend reach of the Snake River using an Analytical Spectral Devices FieldSpec3 spectroradiometer operated in reflectance mode. The depth at each spectral measurement location was interpolated from field measurements of depth obtained with an acoustic Doppler current profiler.  This data release provides both the reflectance spectra and the interpolated depths and can be used to develop relationships between depth and reflectance for mapping river bathymetry from field spectra or passive optical remotely sensed data.

Tags: depth, field-spectra, grand-teton-national-park, reflectance, snake-river, usgs-59f8ee3ee4b0531197ae70d4, wyoming
Organization: Department of the Interior
Difficult Run Floodplain Sediment and Nutrient Retention Ecosystem Service Datasets, Fairfax County, Virginia

Datasets used to quantify and value the ecosystem service of sediment and nutrient retention for floodplains within the Difficult Run watershed located in Fairfax County, Virginia. Geospatial datasets include a digital elevation model (DEM), a hydrologically conditioned DEM, output from the USGS Stream Channel and Floodplain Metric Toolbox, and field data sets used to develop regression models to predict sediment and nutrient retention services for stream within the Difficult Run watershed.

Tags: difficult-run, ecosystem-functions, ecosystem-services-valuation, fairfax, geomorphology, geospatial-datasets, river-reaches, usgs-59fb04d7e4b0531197b16195, virginia
Organization: Department of the Interior