AndreaBozzo/ceres-open-data-index huggingface dataset:
2-m Bathymetry from the NOAA Survey H11255 of the Sea Floor in Southeastern Long Island Sound (H11255_2MUTM18_XYZ.TXT, UTM Zone 18)

Digital terrain models (DTMs) produced from multibeam bathymetric data provide valuable base maps for marine geological interpretations. These maps help define the geological variability of the seafloor (one of the primary controls of benthic habitat diversity); improve our understanding of the processes that control the distribution and transport of bottom sediments, and the distribution of benthic habitats and associated infaunal community structures; and provide a detailed framework for future research, monitoring, and management activities.
The bathymetric survey interpreted herein (National Oceanic and Atmospheric Administration (NOAA) survey H11255) covers roughly 95 km2 of seafloor in southeastern Long Island Sound.  This bathymetry has been examined in relation to seismic reflection data collected concurrently, as well as archived seismic profiles acquired as part of a long-standing geologic mapping partnership between the State of Connecticut and the U.S. Geological Survey (USGS).  The objective of this work was to use these acoustic data sets to interpret geomorphological attributes of the seafloor, and to use these interpretations to better understand the Quaternary geologic history and modern sedimentary processes.

Tags: atlantic-ocean, bathymetry, cmgp, coastal-and-marine-geology-program, connecticut, elevation, field-activity-number-04041, geospatial-datasets, h11255, long-island, long-island-sound, marine-geophysics, multibeam-bathymetry, multibeam-sonar, national-oceanic-and-atmospheric-administration, new-york, noaa, noaa-project-identifier-opr-b370-tj, noaa-project-identifier-s-b904-tj, noaa-survey-h11255, north-america, oceans, sea-floor-characteristics, simrad-em1002, u-s-east-coast, u-s-geological-survey, united-states, usgs, usgs-7ab00593-038e-425b-867e-7b4f26f5fcc8, whsc, woods-hole-science-center
Organization: Department of the Interior
Summary of Oceanographic and Water-Quality Measurements near the Blackwater National Wildlife Refuge, 2011

Suspended-sediment transport is a critical element governing
the geomorphology of tidal marshes. Marshes rely both on
organic material and inorganic sediment deposition to
maintain their elevation relative to sea-level. In wetlands
near the Blackwater National Wildlife Refuge, MD, portions
of the salt marsh have been subsiding relative to sea level
since the early 20th century. Other portions of the marsh
have been successful at maintaining elevation. The USGS
undertook measurements of suspended-sediment concentration
in the tidal channels in order to understand the magnitude
of suspended-sediment concentrations, the sediment-transport
mechanisms, and relative differences between the two areas
of the marsh. We deployed optical turbidity sensors and
acoustic velocity meters at multiple sites over two periods
in 2011. The time-series of oceanographic data collected
during those field studies, including velocity, depth,
turbidity, salinity, water temperature, and pH are presented
here. For more information on the field operations associated
with data collection:
https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-017-FA;
https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-029-FA;
https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-044-FA;
https://cmgds.marine.usgs.gov/fan_info.php?fan=2011-050-FA;

Tags: 2011, 2011-017-fa, 2011-029-fa, 2011-044-fa, 2011-050-fa, blackwater-national-wildlife-refuge, chesapeake-bay, climatologymeteorologyatmosphere, cmgp, coastal-and-marine-geology-program, current, delmarva, dissolved-oxygen, fall, geoscientificinformation, inlandwaters, marine-geophysics, maryland, md, mid-atlantic, navigational-data, netcdf, north-america, oceanographic-observations, oceans, pressure, salinity, spring, temperature, turbidity, u-s-geological-survey, united-states, usgs, usgs-7a9adc65-0bb7-436f-bde6-d05de6316b6c, whcmsc, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
Gravity and Pressure Irrigation on Agricultural Land in the Conterminous United States, 1992: National Resource Inventory Conservation Practice IT03

This data set represents the estimated percentage of the 1-km grid cell that is covered by or subject to the 
agricultural conservation practice (CPIT03), Gravity and Pressure Irrigation Source (GPI) on agricultural land 
by county.  Gravity and Pressure Irrigation Source are described as a "combination of Gravity and Pressure 
Irrigation." (U.S. Department of Agriculture, 1995)  This data set was created with geographic information 
systems (GIS) and database management tools. The acres on which GPI's are applied were totaled at the 
county level in the tabular NRI database and then apportioned to a raster coverage of agricultural land within 
the county based on the Enhanced National Land Cover Dataset (NLCDe) 1-kilometer resolution land cover 
grids (Nakagaki, 2003). Federal land is not considered in this analysis because NRI does not record 
information on those lands.

Tags: agricultural-practices, environment, geoscientificinformation, gravity-and-pressure-irrigation, inlandwaters, national-resources-inventory, usgs-8daf11a0-1975-452d-952c-937abe00f56e
Organization: Department of the Interior
Airborne geophysical survey: Kofa, Arizona

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, arizona, az, f04012-la-paz, f04027-yuma, field-monitoring-stations, geophysical-surveys, geophysics, geospatial-datasets, kofa, magnetic, magnetic-field-earth, magnetic-surveys, residual-magnetic-field, total-field, united-states, usgs-7c3e8fd1-f56d-41ac-b58f-de5f5bdfa744
Organization: Department of the Interior
08ACH03_last_return_metadata: EAARL Coastal Topography-Louisiana, Alabama, and Florida, June 2008

ASCII XYZ point cloud data were produced from remotely sensed, geographically referenced elevation measurements by the U.S. Geological Survey (USGS). Elevation measurements were collected over the area using the National Aeronautics and Space Administration (NASA) Experimental Advanced Airborne Research Lidar (EAARL), a pulsed laser ranging system mounted onboard an aircraft to measure ground elevation, vegetation canopy, and coastal topography. The system uses high-frequency laser beams directed at the Earth's surface through an opening in the bottom of the aircraft's fuselage. The laser system records the time difference between emission of the laser beam and the reception of the reflected laser signal in the aircraft. The plane travels over the target area at approximately 50 meters per second at an elevation of approximately 300 meters, resulting in a laser swath of approximately 240 meters with an average point spacing of 2-3 meters. The EAARL, developed originally by NASA at Wallops Flight Facility in Virginia, measures ground elevation with a vertical resolution of 3 centimeters. A sampling rate of 3 kilohertz or higher results in an extremely dense spatial elevation dataset. Over 100 kilometers of coastline can be surveyed easily within a 3- to 4-hour mission. When resultant elevation maps for an area are analyzed, they provide a useful tool to make management decisions regarding land development.

Tags: airborne-lidar-processing-system, alabama, alps, altimetry, ascii-xyz-last-return, bathymetry-and-elevation, bon-secour, chandeleur-islands, dauphin-island, digital-elevation-models, distributions, doi-usgs-cmg-gt-coastal-and-marine-geology-u-s-geological-survey-u-s-department-of-interior, eaarl, elevation, experimental-advanced-airborne-research-lidar, florida, gulf-of-mexico, land-surface-gt-topography-gt-terrain-elevation, laser-altimetry, lidar, lidar-gt-light-detection-and-ranging, louisiana, ocean-gt-coastal-processes-gt-barrier-islands, ocean-gt-coastal-processes-gt-beaches, ocean-gt-coastal-processes-gt-shoreline-displacement, remote-sensing, santa-rosa-island, topographic-mapping, topography, usgs-7a85cf40-b99d-4603-8005-6dd09be2fa22, usgs-national-assessment-of-coastal-change-hazards-project
Organization: Department of the Interior
a193yb.m77t and a193yb.h77t: MGD77T data and header files for single-beam bathymetry data for field activity A-1-93-YB in Yakukat Bay, Alaska from 08/21/1993 to 08/27/1993

Single-beam bathymetry data along with GPS navigation data was collected as part of the U.S. Geological Survey cruise A-1-93-YB. The cruise was conducted in Yakukat Bay, Alaska from August 21 to August 27, 1993. The chief scientists were Paul Carlson of the USGS Coastal and Marine Geology office in Menlo Park, CA and Ellen Cowan of Appalachian State University and Ross Powell of Northern Illinois University.
The overall purpose of this study was to characterize seismic facies for interpreting past glacier behavior, especially during the Last Glacial Maximum (LGM).
The geophysical source was a hull-mounted 12 kilohertz (kHz) bathymetry echosounder.
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/a/a193yb/html/a-1-93-yb.meta.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, gulf-of-alaska, marine-geology, marine-geophysics, oceans, pacific-ocean, seafloor-topography, single-beam-bathymetry, single-beam-echo-sounder, state-of-alaska, usgs-7a7f5210-b719-466d-8c34-6e877d0f1a11, water-depth, yakutat-bay
Organization: Department of the Interior
COW_Q20.TIF - U.S. Pacific West Coast EEZ GLORIA sidescan-sonar data mosaic (20 of 36) (TM, 50 m, NAD27)

In March 1983, President Ronald Reagan signed a proclamation establishing an Exclusive Economic Zone (EEZ) of the United States extending its territory 200 nautical miles from the coasts of the United States, Puerto Rico, the Northern Mariana Islands, and the U.S. territories and possessions. In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology began a program to map these areas of the EEZ. The U.S. Pacific Coast was the first EEZ region to be mapped and launched GLORIA (Geological LOng-Range Inclined Asdic) mapping program. The area covered by this survey extended from the Mexican to the Canadian borders and from the continental shelf edge, at about the 400-meter bathymetric contour, to 200 nautical miles from the coast. Survey of the U.S. Pacific West Coast EEZ was completed in four consecutive cruises conducted from late April through mid-August 1984. The collected GLORIA data were processed and digitally mosaicked to produce continuous imagery of the seafloor. A total of 36 digital mosaics of an approximate 2 degree by 2 degree (or smaller) area with a 50-meter pixel resolution were completed for the region.

Tags: abyssal-submarine-fan, acoustic-receivers, acoustic-reflectivity, arguello-canyon, arguello-fan, backscatter, baja-seamount-province, blanco-fracture-zone, borderland, california, cascadia-channel, cmgp, coastal-and-marine-geology-program, continental-island-rise, continental-island-slope, coos-bay, delgada-fan, delgado-fan, distributions, eez, escanaba-trough, exclusive-economic-zone, exclusive-economic-zone-eez, farallon-fan, geological-long-range-inclined-asdic, geoscientificinformation, geotiff-image, gloria, gloria-gt-geological-long-range-inclined-asdic, gorda-basin, gorda-escarpment, gorda-plate, gorda-ridge, grey-scale-image, image-mosaics, imagerybasemapsearthcover, infobank-identifier-f-1-84-sc, infobank-identifier-f-2-84-nc, infobank-identifier-f-3-84-nc, infobank-identifier-f-4-84-wo, juan-de-fuca-plate, juan-de-fuca-ridge, marine-basin-floor, marine-geology, marine-geophysics, marine-oceanic, mendocino-canyon, mendocino-channel, mendocino-fracture-zone, monterey-canyon, monterey-fan, murray-fracture-zone, nitinat-fan, northern-california-ecoregion, ocean-gt-pacific-ocean, ocean-gt-pacific-ocean-gt-north-pacific-ocean, oceans, oceans-gt-ocean-acoustics-gt-acoustic-reflectivity, oregon, oregon-washington-vancouver-coast-and-shelf-ecoregion, pacific-plate, physical-habitats-and-geomorphology, point-arena, point-conception, san-diego-trough, san-lucia-escarpment, san-pedro-trough, santa-monica-trough, sea-floor-acoustic-reflectivity, sea-floor-characteristics, seabed, side-scan-sonar, sidescan-sonar, sidescan-sonar-mosaic, southern-california-bight-ecoregion, taney-seamounts, u-s-geological-survey, u-s-pacific-west-coast, usgs, usgs-7a4dd782-ed44-4ebe-bb1c-1a4d3352f78a, washington, wcmg, western-coastal-and-marine-geology
Organization: Department of the Interior
Elevation of the Holocene transgressive unconformity beneath the Massachusetts inner continental shelf between Nahant and Northern Cape Cod Bay (utelev Esri binary grid; UTM, Zone 19N, WGS 84)

These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and physiographic zones of the sea floor from Nahant to Northern Cape Cod Bay. Much of the geophysical data used to create the interpretive layers were collected under a cooperative agreement among the Massachusetts Office of Coastal Zone Management (CZM), the U.S. Geological Survey (USGS), Coastal and Marine Geology Program, the National Oceanic and Atmospheric Administration (NOAA), and the U.S. Army Corps of Engineers (USACE). Initiated in 2003, the primary objective of this program is to develop regional geologic framework information for the management of coastal and marine resources. Accurate data and maps of seafloor geology are important first steps toward protecting fish habitat, delineating marine resources, and assessing environmental changes because of natural or human effects. The project is focused on the inshore waters of coastal Massachusetts. Data collected during the mapping cooperative involving the USGS have been released in a series of USGS Open-File Reports (http://woodshole.er.usgs.gov/project-pages/coastal_mass/html/current_map.html). The interpretations released in this study are for an area extending from the southern tip of Nahant to Northern Cape Cod Bay, Massachusetts. A combination of geophysical and sample data including high resolution bathymetry and lidar, acoustic-backscatter intensity, seismic-reflection profiles, bottom photographs, and sediment samples are used to create the data interpretations. Most of the nearshore geophysical and sample data (including the bottom photographs) were collected during several cruises between 2000 and 2008. More information about the cruises and the data collected can be found at the Geologic Mapping of the Seafloor Offshore of Massachusetts Web page: http://woodshole.er.usgs.gov/project-pages/coastal_mass/.

Tags: 3200, 424, 512i, atlantic-ocean, boston, boston-harbor, boston-harbor-islands, cape-cod-bay, cmgp, coastal-and-marine-geology-program, cohasset, czm, duxbury, edgetech, esri-raster-grid, field-activity-number-2006-012-fa, field-activity-number-2007-001-fa, field-activity-number-2007-002-fa, field-activity-number-2008-002-fa, geologic-framework, geologic-structure, geoscientificinformation, geospatial-datasets, hull, interpretation, knudsen, manomet, marine-geology, massachusetts-bay, massachusetts-office-of-coastal-zone-management, nahant, oceans, plymouth, provincetown, scientific-interpretation, scituate, sea-floor, seismic-interpretation, seismic-reflection-profiles, transgressive-unconformity, u-s-geological-survey, unconformities, usgs, usgs-7a427f2b-3096-41e0-a621-411e138d1c25, whcmsc, winthrop, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
High-Resolution Imaging Science Experiment Digital Terrain Model Mosaic for Mars 2020 Terrain Relative Navigation

The Mars 2020 rover will explore Jezero crater, Mars to investigate an ancient delta for evidence of past microbial life and to better understand the geologic history of the region. The landing system onboard Mars 2020 will use technology developed at the Jet Propulsion Laboratory (JPL) called Terrain Relative Navigation (TRN), which will enable the spacecraft to autonomously avoid hazards (e.g., rock fields, crater rims) that exceed the safety requirements of the landing system. This capability allows small-scale hazards to be present in the landing ellipse, providing greater flexibility in selecting a landing location. In support of TRN, the USGS Astrogeology Science Center has generated and delivered a High-Resolution Imaging Science Experiment (HiRISE) digital terrain model (DTM) mosaic and orthomosaic that is the basemap onto which surface hazards were mapped. The hazard map will be onboard the spacecraft and used by TRN to help identify the final, hazard-free landing location.

Tags: digital-terrain-model-dtm, entry-decent-and-landing-edl, high-resolution-imaging-science-experiment, mars, mars-2020, mars-reconnaissance-orbiter, mosaic, terrain-relative-navigation, usgs-7a41dc7c-d545-4fac-b042-d40d3fc8227b
Organization: Department of the Interior
Text files of the navigation logged with HYPACK Software during field activity 2013-003-FA in 2013 by the U.S. Geological Survey south of Martha's Vineyard and north of Nantucket, Massachusetts

These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal and Marine Geology Program, Woods Hole Coastal and Marine Science Center (WHCMSC). Initiated in 2003, the primary objective of this program is to develop regional geologic framework information for the management of coastal and marine resources. Accurate data and maps of sea floor geology are important first steps toward protecting fish habitat, delineating marine resources, and assessing environmental changes due to natural or human impacts. The project is focused on the inshore waters of coastal Massachusetts, primarily in water depths of 5 to 30 meters (m) deep. Data collected for the mapping cooperative have been released in a series of USGS Open-File Reports (http://woodshole.er.usgs.gov/project-pages/coastal_mass/). The geophysical data were collected during a survey in 2013 during USGS Field Activity 2013-003-FA (http://cmgds.marine.usgs.gov/fan_info.php?fa=2013-003-FA) and cover approximately 185 square kilometers of the inner continental shelf.

Tags: atlantic-ocean, cape-cod, cmgp, coastal-and-marine-geology-program, coda-octopus-f185r, dgps, differential-gps, elevation, fathometer, field-activity-2013-003-fa, field-activity-number-13003, hemisphere-dgps, hypack, m-v-scarlett-isabella, marine-geology, marine-geophysics, marthas-vineyard, massachusetts, nantucket, nantucket-sound, nav, navigation, navigational-data, north-america, novatel-dl-v3, oceans, real-time-kinematic, rtk-gps, sea-floor, seafloor, survey-line, tide, u-s-geological-survey, united-states, usgs, usgs-7a32accc-c74c-4c2d-9bf7-3b86b6c59b3a, usgs-cmg-infobank-id-u-03-13-ma, whcmsc, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
Interferometric Swath Bathymetry Survey Tracklines Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted nearshore geophysical surveys off the northern Chandeleur Islands, Louisiana, in June of 2012. The overall objective of the study is to better understand barrier-island geomorphic evolution, particularly storm-related depositional and erosional processes that shape the islands over annual to interannual timescales (1-5 years). The collection of geophysical data will allow us to identify relationships between the geologic history of the island and its present day morphology and sediment distribution. This mapping effort was the first in a series of three planned surveys in this area. High resolution geophysical data collected in each of 3 consecutive years along this rapidly changing barrier-island system will provide a unique time-series dataset that will significantly further the analyses and geomorphological interpretations of this and other coastal systems, improving our understanding of coastal response and evolution over short time scales (1-5 years).
This report serves as an archive of processed interferometric swath and single-beam bathymetry data that were collected during two cruises (USGS Field Activity Numbers 12BIM03 and 12BIM04) along the northern portion of the Chandeleur Islands, Breton National Wildlife Refuge, Louisiana, in July of 2012. Geographic information system data products include a 50 m-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 metadata.

Tags: 12bim04, august-2012, barrier-island-evolution-research-project, barrier-island-mapping, bathymetry, chandeleur-islands, chandeleur-sound, cmgp, coastal-and-marine-geology-program, datum, elevation, geophysical, geoscientificinformation, gulf-of-mexico, hydrography, hypack, imagerybasemapsearthcover, july-2012, location, louisiana, marine-geology, oceans, shoreline, single-beam, spcmsc, st-petersburg-coastal-and-marine-science-center, tracklines, u-s-geological-survey, usgs, usgs-7a2caebc-f08c-4f38-af1a-709cde76c34f, water
Organization: Department of the Interior