AndreaBozzo/ceres-open-data-index huggingface dataset:
Trackline navigation for 512i seismic-reflection data collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014 (Esri polyline shapefile, GCS WGS 84)

The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological Survey cruise was conducted in the summer of 2014 to map the inner continental shelf of the Delmarva Peninsula using geophysical and sampling techniques to define the geologic framework that governs coastal system evolution at storm-event and longer timescales. Data collected during the 2014 cruise include swath bathymetry, sidescan sonar, chirp and boomer seismic-reflection profiles, acoustic Doppler current profiler, and sample and bottom photograph data. Processed data in raster and vector format are released here for the swath bathymetry, sidescan sonar, and seismic-reflection profiles.  More information about the USGS survey conducted as part of the Hurricane Sandy Response-- Geologic Framework and Coastal Vulnerability Study can be found at the project website or on the WHCMSC Field Activity Web pages: https://woodshole.er.usgs.gov/project-pages/delmarva/ and https://cmgds.marine.usgs.gov/fan_info.php?fan=2014-002-FA

Tags: 512i, assateague-island, assateague-island-national-seashore, assawoman-bay, atlantic-ocean, berlin, bethany-beach, cape-henlopen, chincoteague-bay, chincoteague-island, chincoteague-national-wildlife-refuge, chirp, cmgp, coastal-and-marine-geology-program, delaware, delaware-bay, delaware-seashore-state-park, edgetech-sb-512i-sub-bottom-profiler, esri-shapefile, fenwick-island, geoscientificinformation, geospatial-datasets, isle-of-wight-bay, location, m-v-scarlett-isabella, marine-geophysics, maryland, navigational-data, north-america, ocean-city, oceans, parramore-island, rehoboth-beach, seismic-navigation, seismic-profile, seismic-reflection, toms-cove, trackline-navigation, u-s-geological-survey, united-states, usgs, usgs-4a6cc72f-a35d-4cec-913b-ba232a9b4542, virginia, wallops-island, whcmsc, whcmsc-field-activity-serial-number-2014-002-fa, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
Wave Scenario Grid with Proposed Sediment Borrow Pit 3 of Breton Island, Louisiana: Model Input Grid 4 with Pit 3 Configuration

The Simulating WAves Nearshore (SWAN) wave model input grid 4 bathymetry with pit 3 configuration (G4_P3_grid.shp) and output of significant wave height, dominant wave period, and mean wave direction resulting from simulation of wave scenarios at Breton Island, LA, as described in USGS Open-File Report 20151055 are provided here.

Tags: bathymetry, borrow-pits, breton-island, coastal, elevation, estuaries, geomorphology, geoscientific-information, gulf-of-mexico, louisiana, marine-geology, marine-sediment-transport, north-america, oceans, spcmsc, st-petersburg-coastal-and-marine-science-center, topography, u-s-geological-survey, united-states, usgs, usgs-4a66869b-7efc-4c16-8f6d-cef51d32fbd2, waves
Organization: Department of the Interior
4-m Image of the Northern Half of the Backscatter Intensity Mosaic of the Sea Floor off Northeastern Cape Cod from USGS Cruise 98015 (CAPENORTHMOS_GEO4M_WGS84.TIF, Geographic, WGS84)

This data set includes backscatter intensity of the sea floor offshore of northern Cape Cod, Massachusetts.  The data were collected with a multibeam sea floor mapping system during USGS survey 98015, conducted November 9 - 25, 1998.  The surveys were conducted using a Simrad EM 1000 multibeam echo sounder mounted aboard the Canadian Coast Guard vessel Frederick G. Creed.  This multibeam system utilizes 60 electronically aimed receive beams spaced at intervals of 2.5 degrees that insonify a strip of sea floor up to 7.5 times the water depth (swath width of 100 to 200 m within the survey area).  The horizontal resolution of the beam on the sea floor is approximately 10% of the water depth.  Vertical resolution is approximately 1 percent of the water depth.
With backscatter intensity, the intensity of the acoustic return from the sea floor from the multibeam system, is a function of the properties of the surficial sediments and of the bottom roughness.  Generally, a strong return (light gray tones) is associated with rock or coarse-grained sediment, and a weak return (dark gray tones) with fine-grained sediments.  However, the micro-topography, such as ripples, burrows, and benthic populations also affect the reflectivity of the sea floor.  Direct observations, using bottom photography or video, and surface samples, are needed to verify interpretations of the backscatter intensity data.  The backscatter data have a weak striping that runs parallel to the ship's track.  Some of the striping is the result of poor data return at nadir that appears as evenly-spaced thin speckled lines. Some striping is also due to critical angle effects, where the intensity of return varies as a function of the angle of incidence of the incoming sound on the seafloor (Hughes-Clark and others, 1997).

Tags: atlantic-ocean, backscatter-intensity, cape-cod, cape-cod-national-seashore-park, cmgp, coastal-and-marine-geology-program, field-activity-number-98015, frederick-g-creed, geographic-information-system, geoscientificinformation, geospatial-datasets, geotiff-image, gray-scale-image, greyscale-image, image-mosaics, imagerybasemapsearthcover, marine-geophysics, massachusetts, multibeam, multibeam-backscatter-mosaic, multibeam-echo-sounder, multibeam-sonar, north-america, oceans, sea-floor-acoustic-reflectivity, sea-floor-geology, sea-floor-mapping, simrad-em1000, surficial-geology, u-s-east-coast, u-s-geological-survey, united-states, usgs, usgs-4a64325a-87ec-4b94-8373-41c705e95273, whsc, woods-hole-science-center
Organization: Department of the Interior
14BIM03_SBB_xyz: Single-Beam Bathymetry XYZ Data Collected in 2014 Near Breton Island, Louisiana

As part of the Barrier Island Monitoring Project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted nearshore geophysical surveys off Breton and Gosier Islands, Louisiana, in July and August of 2014. To assist the United States Fish and Wildlife Service (USFWS) with restoration planning efforts, the USGS was tasked with answering fundamental questions about the physical environment of the southern Chandeleur Islands, including the geology, morphology, and oceanography. Baseline data needed to answer these questions was either insufficient or missing in the area.  The USGS conducted a comprehensive geologic investigation in the summer of 2014 by collecting geophysical and sedimentological data.
Breton Island, located at the southern end of the Chandeleur Island chain, Louisiana, was recognized as a natural and globally important nesting sanctuary for several bird species and was established as the Breton National Wildlife Refuge (NWR) in 1904.  The aerial extent of Breton Island has diminished 90% since 1920.  Land loss is attributed to ongoing relative sea-level rise, diminished sediment supply, and storm impacts.  The bird population on Breton Island has also declined over the years, most notably after Hurricane George in 1998 and Hurricane Katrina in 2015, which completely submerged the island.  Despite the decreasing habitable acreage, migratory seabirds continue to return and utilize Breton Island.  To prevent the island from being completely submerged in the future and to protect, stabilize, and provide more nesting and foraging areas for the birding population, the USFWS is proposing a restoration effort to rebuild Breton Island to its pre-Katrina footprint.
This Data Series serves as an archive of processed interferometric-swath, single-beam bathymetry, and side-scan sonar data collected in the nearshore of Breton and Gosier Islands, NWR, Louisiana.  The data were collected during two USGS cruises (USGS Field Activity Numbers 2014-314-FA and 2014-317-FA) in July and August 2014. Geographic Information System data products include a 100 meter-cell-size interpolated bathymetry grid surface, trackline maps, and point data files. Additional files include error analysis maps, Field Activity Collection System logs, and formal Federal Geographic Data Committee (FGDC) metadata.

Tags: 14bim03, 2014-314-fa, barrier-island-evolution-research-project, barrier-island-mapping, base-station, bathymetry, benchmark, bret, breton-island, breton-island-national-wildlife-refuge, brt2, chandeleur-islands, chandeleur-sound, cmgp, coastal-and-marine-geology-program, datum, elevation, geoscientificinformation, gosier-islands, gulf-of-mexico, hydrography, imagerybasemapsearthcover, kinematic, location, louisiana, marine-geology, oceans, odom-cv100, sbb, shoreline, single-beam, single-beam-bathymetry, spcmsc, st-petersburg-coastal-and-marine-science-center, trackline, tss-motion-sensor, u-s-geological-survey, usgs, usgs-4a60e39b-227d-4627-938f-a56f5a935189, water
Organization: Department of the Interior
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Points for the top of the Floridan aquifer system

Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system 
were developed to define an updated hydrogeologic framework as part of the U.S. Geological 
Survey Groundwater Resources Program. This feature class contains data points used to 
generate the top of FAS raster.

Tags: 1403b, 1986, age, alabama, contours, environment, fas, florida, floridan-aquifer-system, geologic-units, geology, georgia, geoscientificinformation, hydrogeology, inlandwaters, miller, professional-paper, regional-groundwater-availability-study, rocks, south-carolina, stratigraphy, top, united-states-geological-survey, usgs, usgs-4a41bc25-0d6d-4b36-a87a-8d827c464fb4
Organization: Department of the Interior
Navassa_2D_SouthCoast_metadata: Fractal analysis of the Navassa Island seascape

This release provides the numerical results of the fractal analyses discussed in Zawada and others (2010; https://doi.org/10.1029/2010GL043789) for the Navassa Island reefscape.

Tags: average-elevation-variation, fractal-dimension, observation-scale, usgs-4a297e53-54e3-4443-b899-e6d244298c7e
Organization: Department of the Interior
DS926 Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system in Florida and parts of Georgia, Alabama, and South Carolina -- Polygon regions for the 10,000 mg/l total dissolved solids boundary feature

Digital surfaces and thicknesses of selected hydrogeologic units of the Floridan aquifer system 
were developed to define an updated hydrogeologic framework as part of the U.S. Geological 
Survey Groundwater Resources Program. This feature class contains polygons depicting 
areas of the Floridan aquifer system that may have greater than 10,000 mg/L of TDS or is 
fresh throughout its thickness to the base of system.

Tags: 10000-mg-l, alabama, apalachicola, base, environment, estimated-boundary, extent, florida, florida-panhandle, floridan-aquifer-system, geology, georgia, geoscientificinformation, hydrogeology, inlandwaters, regional-groundwater-availability-study, saline-water, salinity, shallow-brackish, south-carolina, southwestern-georgia, stratigraphy, tds, thickness, top, total-dissolved-solids, united-states-geological-survey, usgs, usgs-4a249b1d-87c2-48cf-abc2-51f442990b67
Organization: Department of the Interior
Unique shot point navigation for Edgetech SB-424 chirp subbottom profiler data collected by the U.S. Geological Survey in Moultonborough Bay, Lake Winnipesaukee, New Hampshire in 2005 (Geographic, WGS 84, Esri  point shapefile, 2005-004-FA_CHIRPSHT.SHP)

In freshwater bodies of New Hampshire, the most problematic aquatic invasive plant species is Myriophyllum heterophyllum or variable leaf water-milfoil. Once established, variable leaf water-milfoil forms dense beds that can alter the limnologic characteristics of a waterbody, impacting natural lacustrine communities and their habitats.  Variable leaf water-milfoil infestations also disrupt recreational uses of waterbodies and have negatively affected swimming, boating, fishing, and property values in and around several lakes and ponds in New Hampshire.
In 1965, Moultonborough Bay, Lake Winnipesaukee became the first waterbody in New Hampshire where variable leaf water-milfoil was observed. Variable leaf water-milfoil is native to the Southeastern and Midwestern areas of the United States where more alkaline waters appear to limit the growth of this plant. Outside its native range, however, it adapts well to the relatively acidic, low-alkalinity, and nutrient-poor conditions of oligotrophic lakes and bays similar to Moultonborough Bay.
In 2005, the New Hampshire Department of Environmental Services (NHDES) collaborated with the U.S. Geological Survey to investigate the distribution (presence and density) of variable leaf water-milfoil in Moultonborough Bay. This study utilized geophysical systems and conventional water-quality measurements to identify lake-floor environments that may provide suitable habitat for the establishment and growth of variable leaf water-milfoil. The results of the study are intended to assist resource managers in federal and state agencies by providing methods for detecting variable leaf water-milfoil and for identifying areas susceptible to infestation. Ultimately, this information may lead to early detection, prevention, and more effective mitigation strategies.
Field activity information for this cruise is available on-line through the U.S. Geological Survey Coastal and Marine Geoscience Data System https://cmgds.marine.usgs.gov/fan_info.php?fa=2005-004-FA.

Tags: chirp, cmgp, coastal-and-marine-geology-program, edgetech-sb-424-subbottom-profiler, field-activity-number-05004, field-activity-number-2005-004-fa, geophysics, geospatial-datasets, inlandwaters, lake-winnipesaukee, location, marine-geology, moultonborough-bay, navigation, navigational-data, new-hampshire, north-america, point-shapefile, r-v-rafael, seismic, shot-point-navigation, subbottom-profiler, u-s-geological-survey, united-states, usgs, usgs-4ebb35ec-69bb-4a65-abad-3da85061d748, usgs-cmgp-infobank-id-r-1-05-nh, whcmsc, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
Laboratory Observations of Artificial Sand and Oil Agglomerates Video and Velocity Data: False-Floor Experiment Flow Velocity and Shear Stress

Weathered oil in the surf-zone after an oil spill may mix with suspended sediments to form sand and oil agglomerates (SOA). Sand and oil agglomerates may form in mats on the scale of tens of meters (m), and may break apart into pieces between 1 and 10 centimeters (cm) in diameter. These more mobile pieces are susceptible to alongshore and cross-shore transport, and lead to beach re-oiling on the time scale of months to years following a spill. The U.S. Geological Survey (USGS) conducted experiments March 10 - 13, 2014, to expand the available data on sand and oil agglomerate motion; test shear stress based incipient motion parameterizations in a controlled, laboratory setting; and directly observe SOA exhumation and burial processes.  Artificial sand and oil agglomerates  (aSOA) were created and deployed in a small-oscillatory flow tunnel in two sets of experiments, during which, video and velocity data were obtained. The first experiment, which was set up to help researchers investigate incipient motion, used with an immobile, rough bottom (referred to as false-floor) and the second–testing seafloor interactions–utilized with a coarse grain sand bottom (movable sand bed). Detailed information regarding the creation of the aSOA can be found in Dalyander et al. (2015).  More information about the USGS laboratory experiment conducted in collaboration with the Naval Research Laboratory can be found in the associated Open File Report (OFR Number Unknown).

Tags: artificial-sand-and-oil-agglomerate, asoa, beach-re-oiling, canon-7d-dslr-camera, cmgp, coastal-and-marine-geology-program, elevation, hazards, incipient-motion, industrial-pollution, jpeg, laboratory-experiment, marine-geology, mississippi, naval-research-laboratory, nrl, ocean-sciences, oceans, oil-spill, petroleum, photographs, photos, saint-petersburg-coastal-and-marine-science-center, sand-and-oil-agglomerate, sea-floor, sea-floor-interaction, seabed, seafloor, shear-stress-parameterization, small-oscillatory-flow-tunnel, soa, spcmsc, stennis, stennis-space-center, surf-zone, tabular-digital-data, text-file, txt, u-s-geological-survey, usgs, usgs-4a0b027a-86d5-46b8-bb55-f33821fbd7e6, vectrino-acoustic-velocity-profiler
Organization: Department of the Interior
l882np.m77t - MGD77 data file for Geophysical data from field activity L-8-82-NP in Northern Pacific from 06/18/1982 to 07/08/1982

Single-beam bathymetry, magnetics, and gravity data along with transit satellite navigation data was collected as part of field activity L-8-82-NP in Northern Pacific from 06/18/1982 to 07/08/1982, http://walrus.wr.usgs.gov/infobank/l/l882np/html/L-8-82-NP.meta.html
These data are reformatted from space-delimited ASCII text files located in the Coastal and Marine Geology Program (CMGP) InfoBank field activity catalog at http://walrus.wr.usgs.gov/infobank/l/l882np/html/L-8-82-NP.bath.html http://walrus.wr.usgs.gov/infobank/l/l882np/html/L-8-82-NP.grav.html http://walrus.wr.usgs.gov/infobank/l/l882np/html/L-8-82-NP.mag.html into MGD77T format provided by the NOAA's National Geophysical Data Center(NGDC). The MGD77T format includes a header (documentation) file (.h77t) and a data file (.m77t). More information regarding this format can be found in the publication listed in the Cross_reference section of this metadata file.

Tags: bathymetry, bathymetry-and-elevation, bathymetry-measurement, distributions, geoscientificinformation, gravimeter-measurement, gravimetry, magnetic-field-observations, magnetometer-measurement, marine-geology, marine-geophysics, marine-gravity, marine-magnetics, marine-seismic, north-pacific-ocean, northern-pacific, northern-pacific-ocean, oceans, pacific-ocean, seafloor-topography, single-beam-bathymetry, single-beam-echo-sounder, usgs-4a0676ce-8f62-4473-a86f-3a2e884606a2, water-depth
Organization: Department of the Interior
Mobile Harbor Navigation Channel Delft3D Model Inputs and Results - Existing Condition 10-Year Simulation Without Sea Level Rise

The numerical model Delft3D (developed by Deltares) was developed to evaluate the potential effects of proposed navigation channel deepening and widening in Mobile Harbor, Alabama (AL). The Delft3D model setup requires the input of a merged topographic and bathymetric elevations, a wave climate based on significant wave heights, peak wave period and mean wave direction, and a tidal-time series. The model was validated by comparing model outputs from deterministic runs with observations of water levels and velocities. The validated model was used to simulate scenarios of existing conditions and proposed with-project conditions (for example, channel deepening and widening). Simulations were performed for one year (the year 2010) and ten years, with and without 0.5 meters (m) of sea level rise. Model inputs and outputs in the form of topography and bathymetry for the scenario runs as well as output water levels and velocities for the deterministic runs are provided in this data release. For further information regarding model input generation and visualization of model output topography and bathymetry, refer to USGS Open-File Report 2018-1123.

Tags: alabama, bathymetry, coastal, coastal-ecosystems, digital-elevation-models, elevation, estuaries, estuarine-ecosystems, geomorphology, geoscientificinformation, gulf-of-mexico, marine-geology, marine-sediment-transport, mobile-bay, morphologic-change, north-america, ocean-processes, oceans, sea-level-change, sediment-transport, spcmsc, st-petersburg-coastal-and-marine-science-center, topography, u-s-geological-survey, united-states-of-america, usgs, usgs-49e9e49c-0eef-441a-8da8-2812ddae0f1e
Organization: Department of the Interior
Submarine-landslide scarps--Hueneme Canyon and Vicinity, California

This part of DS 781 presents data for the submarine-landslide scarps for the geologic and geomorphic map of the Hueneme Canyon and Vicinity map area, California. The vector data file is included in "SubmarineLandslideScarps_HuenemeCanyon.zip," which is accessible from http://pubs.usgs.gov/ds/781/HuenemeCanyon/data_catalog_HuenemeCanyon.html. These data accompany the pamphlet and map sheets of Johnson, S.Y., Dartnell, P., Cochrane, G.R., Golden, N.E., Phillips, E.L., Ritchie, A.C., Kvitek, R.G., Greene, H.G., Krigsman, L.M., Endris, C.A., Clahan, K.B., Sliter, R.W., Wong, F.L., Yoklavich, M.M., and Normark, W.R. (S.Y. Johnson, ed.), 2012, California State Waters Map Series-—Hueneme Canyon and Vicinity, California: U.S. Geological Survey Scientific Investigations Map 3225, 41 p., 12 sheets, scale 1:24,000, https://pubs.usgs.gov/sim/3225/.
Three different landslide units are mapped in Hueneme Canyon based on their morphology and relative age inferred from crosscutting and (or) draping relationships. Landslide units are undifferentiated where these morphology and relative age indicators are not distinct. The landslide units commonly include both steep erosional scarps and paired hummocky landslide deposits, and it is this genetic pairing (scarps with landslides) that distinguishes the scarps within landslide units from the scarps within the canyon-wall units. Lower-relief, sediment-draped, deep-seated slumps are mapped as separate landslide units.

Tags: bathymetry, continental-island-shelf, distributions, environment, geologic-mapping, geologic-maps, geoscientificinformation, geospatial-datasets, hueneme-canyon, imagerybasemapsearthcover, landslides, maps-and-atlases, marine-geology, marine-nearshore-subtidal, marine-offshore-subtidal, oceans, oxnard, pacific-ocean, physical-habitats-and-geomorphology, port-of-hueneme, rock-substrate, sea-floor-characteristics, seabed, seafloor-topography, southern-california-ecoregion, state-of-california, transform-continental-margin, unconsolidated-mineral-substrate, usgs-49dcc908-fd7e-44a2-9295-0c29f0729048, ventura
Organization: Department of the Interior
Airborne geophysical survey: Northwest Georgia East, Georgia Survey Part 1 of 2

Aeromagnetic data were collected along flight lines by instruments in an
aircraft that recorded magnetic-field values and locations.  This dataset
presents latitude, longitude, altitude, and magnetic-field values.

Tags: aeromagnetic-data, aeromagnetic-surveying, airborne-surveys, chattahoochee-national-forest, f13057-cherokee, f13085-dawson, f13111-fannin, f13117-forsyth, f13123-gilmer, f13137-habersham, f13139-hall, f13187-lumpkin, f13213-murray, f13227-pickens, f13241-rabun, f13281-towns, f13291-union, f13311-white, f13313-whitfield, f37039-cherokee, f37043-clay, f47011-bradley, f47139-polk, field-monitoring-stations, ga, geophysical-surveys, geophysics, georgia, geospatial-datasets, magnetic, magnetic-field-earth, magnetic-surveys, northwest-georgia-east, residual-magnetic-field, total-field, united-states, usgs-49d2b630-21a7-4082-b5d1-f78b3eaf46fc
Organization: Department of the Interior