AndreaBozzo/ceres-open-data-index huggingface dataset:
Pulley Ridge Swath Bathymetry Grid - filtered (ALLPR_FILCROP.GRD, UTM 17N, NAD83)

Pulley Ridge is a series of drowned barrier islands that extends almost 200 km in 60-100 m water depths. This drowned ridge is located on the Florida Platform in the southeastern Gulf of Mexico about 250 km west of Cape Sable, Florida. This barrier island chain formed during the initial stage of the Holocene marine transgression. These islands were then submerged and left abandoned near the outer edge of the Florida Platform. The southern portion of Pulley Ridge hosts zooxanthellate scleractinian corals, green, red and brown macro algae, and a mix of deep and typically shallow-water tropical fishes. This reef community is in unusually deep water, and its extent and the controls on its distribution were unknown. To address these questions scientists from the U.S. Geological Survey Coastal and Marine Geology Program in cooperation with scientists from the University of South Florida Department of Marine Sciences have completed a detailed mapping of the southernmost 35 km of Pulley Ridge. The area was mapped using multibeam bathymetry, sidescan-sonar imagery, and high-resolution seismic-reflection profiling to define the geologic framework on which the reef is established. Submersible dives, remotely operated vehicle (ROV) transects, and transects of bottom photographs and video were collected to identify the corals and to map their distribution. This extensive suite of data has been compiled and preliminary analysis of the data suggests that the reefs are not tied to the ridge system, but instead are more broadly distributed. Whether reef distribution is controlled by oceanographic conditions or by subtle differences in the substrate that overlies the barrier island system is unclear, and are topics of continued research.

Tags: bathymetry, cmgp, coastal-and-marine-geology-program, coral, coral-reef, elevation, field-activity-identifier-s-1-01-gm, field-activity-identifier-s-1-03-fl, field-activity-serial-number-01010, field-activity-serial-number-03002, florida, florida-shelf, geospatial-datasets, grid, gulf-of-mexico, marine-geophysics, multibeam-sonar, north-america, oceans, of-2005-1089, open-file-report, pulley-ridge, reef, sea-floor-acoustic-reflectivity, u-s-geological-survey, united-states, usgs, usgs-539c1ab0-e027-48fd-86d0-daad42dff21d, woods-hole-science-center
Organization: Department of the Interior
Seafloor character, 2 m resolution--Offshore of Aptos, California

This part of DS 781 presents data for the seafloor-character map Offshore of Aptos, California. Seafloor-character data are provided as two separate grids depending on resolution of the mapping system and processing method. This metadata file refers to the data included in "SeafloorCharacter_2m_OffshoreAptos.zip," which is accessible from https://doi.org/10.5066/F7K35RQB. These data accompany the pamphlet and map sheets of Cochrane, G.R., Johnson, S.Y., Dartnell, P., Greene, H.G., Erdey, M.D, Dieter, B.E., Golden, N.E., Hartwell, S.R., Ritchie, A.C., Kvitek, r.G., Maier, K.L., Endris, C.A., Davenport, C.W., Watt, J.T., Sliter, R.W., Finlayson, D.P., and Krigsman, L.M., (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Aptos, California: U.S. Geological Survey Open-File Report 2016–1025, 43 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161025.
This raster-format seafloor-character map shows five substrate classes Offshore of Aptos, California. The substrate classes mapped in this area have been colored to indicate which of the following California Marine Life Protection Act depth zones and the Coastal and Marine Ecological Classification Standard (CMECS) slope classes they belong: Depth Zone 2 (intertidal to 30 m), Depth Zone 3 (30 to 100 m), Depth Zone 4 (100 to 200 m), Slope Class 1 (0 degrees - 5 degrees; flat), and Slope Class 2 (5 degrees - 30 degrees; sloping). Depth Zone 1 (intertidal), Depth Zone 5 (greater than 200 m), and Slopes Classes 3-4 (greater than 30 degrees) are not present in the region covered by this block. The map is created using a supervised classification method described by Cochrane (2008).
References Cited:
Cochrane, G.R., 2008, Video-supervised classification of sonar data for mapping seafloor habitat, in Reynolds, J.R., and Greene, H.G., eds., Marine habitat mapping technology for Alaska: Fairbanks, University of Alaska, Alaska Sea Grant College Program, p. 185-194, accessed April 5, 2011, at http://doc.nprb.org/web/research/research%20pubs/615_habitat_mapping_workshop/Individual%20Chapters%20High-Res/Ch13%20Cochrane.pdf.


Tags: aptos, backscatter, bathymetry, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, ecosystems, environment, fisheries, geology, geoscientificinformation, image-mosaics, imagerybasemapsearthcover, intensity, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, multibeam-sonar, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, rock-substrate, santa-cruz-county, sea-floor-acoustic-reflectivity, sea-floor-characteristics, seabed, sidescan-sonar, sonar-methods, state-of-california, substrate, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, usgs, usgs-556f7a6be4b0d9246a9fd08c
Organization: Department of the Interior
BathymetryB Hillshade [CSUMB]--Offshore Aptos, California

This part of DS 781 presents data for the shaded-relief map of Offshore of Aptos map area, California. Shaded-relief data are provided as two separate grids depending on mapping agency and processing method. This metadata file refers to the data included in "BathymetryBHS_CSUMB_OffshoreAptos.zip," which is accessible from https://doi.org/10.5066/F7K35RQB. These data accompany the pamphlet and map sheets of Cochrane, G.R., Johnson, S.Y., Dartnell, P., Greene, H.G., Erdey, M.D, Dieter, B.E., Golden, N.E., Hartwell, S.R., Ritchie, A.C., Kvitek, r.G., Maier, K.L., Endris, C.A., Davenport, C.W., Watt, J.T., Sliter, R.W., Finlayson, D.P., and Krigsman, L.M., (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Aptos, California: U.S. Geological Survey Open-File Report 2016–1025, 43 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161025.
The bathymetry and shaded-relief maps of Offshore Aptos, California, were generated from bathymetry data collected by the U.S. Geological Survey (USGS) and by California State University, Monterey Bay (CSUMB). Mapping was completed between 2006 and 2009 using a combination of a 244-kHz Reson 8101 multibeam echosounder and a 234-kHz SEA SWATHplus bathymetric sidescan-sonar system. The mapping missions collected bathymetry data from about the 10-m isobath to beyond the 3-nautical-mile limit of California's State Waters.

Tags: aptos, bathymetry, bathymetry-and-elevation, bathymetry-measurement, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, environment, geoscientificinformation, imagerybasemapsearthcover, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, rock-substrate, santa-cruz-county, seabed, sidescan-sonar, sonar-methods, state-of-california, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, usgs, usgs-556f7a26e4b0d9246a9fd08a
Organization: Department of the Interior
BathymetryB [CSUMB]--Offshore Aptos, California

This part of DS 781 presents data for the bathymetry map of Offshore of Aptos map area, California. Bathymetry data are provided as two separate grids depending on mapping agency and processing method. This metadata file refers to the data included in "BathymetryB_CSUMB_OffshoreAptos.zip" which are accessible from https://doi.org/10.5066/F7K35RQB. These data accompany the pamphlet and map sheets of Cochrane, G.R., Johnson, S.Y., Dartnell, P., Greene, H.G., Erdey, M.D, Dieter, B.E., Golden, N.E., Hartwell, S.R., Ritchie, A.C., Kvitek, r.G., Maier, K.L., Endris, C.A., Davenport, C.W., Watt, J.T., Sliter, R.W., Finlayson, D.P., and Krigsman, L.M., (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Aptos, California: U.S. Geological Survey Open-File Report 2016–1025, 43 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161025.
The bathymetry and shaded-relief maps of Offshore Aptos, California, were generated from bathymetry data collected by the U.S. Geological Survey (USGS) and by California State University, Monterey Bay (CSUMB). Mapping was completed between 2006 and 2009 using a combination of a 244-kHz Reson 8101 multibeam echosounder and a 234-kHz SEA SWATHplus bathymetric sidescan-sonar system. The mapping missions collected bathymetry data from about the 10-m isobath to beyond the 3-nautical-mile limit of California's State Waters. NOTE: The horizontal datum of this bathymetry data (NAD83) differs from the horizontal datum of other layers in this data release (WGS84).

Tags: aptos, bathymetry, bathymetry-and-elevation, bathymetry-measurement, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, environment, fisheries, geoscientificinformation, imagerybasemapsearthcover, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, rock-substrate, santa-cruz-county, seabed, seafloor-topography, sidescan-sonar, sonar-methods, state-of-california, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, usgs, usgs-556f7817e4b0d9246a9fd05c
Organization: Department of the Interior
BackscatterB [EM300]--Offshore Aptos, California

This part of DS 781 presents data for the acoustic-backscatter map of Offshore of Aptos map area, California. Backscatter data are provided as two separate grids depending on mapping system and processing method. This metadata file refers to the data included in "BackscatterB_EM300_OffshoreAptos.zip," which is accessible from https://doi.org/10.5066/F7K35RQB. These data accompany the pamphlet and map sheets of Cochrane, G.R., Johnson, S.Y., Dartnell, P., Greene, H.G., Erdey, M.D, Dieter, B.E., Golden, N.E., Hartwell, S.R., Ritchie, A.C., Kvitek, r.G., Maier, K.L., Endris, C.A., Davenport, C.W., Watt, J.T., Sliter, R.W., Finlayson, D.P., and Krigsman, L.M., (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Aptos, California: U.S. Geological Survey Open-File Report 2016–1025, 43 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161025.
The acoustic-backscatter map of Offshore of Aptos, California was generated from backscatter data collected by the U.S. Geological Survey (USGS) and by Monterey Bay Aquarium Research Institute (MBARI). Mapping was completed between 1998 and 2009, using a combination of a 234-kHz SWATHplus bathymetric sidescan-sonar system and a 30-kHz Simrad EM-300 multibeam echosounder. Within the final imagery, brighter tones indicate higher backscatter intensity, and darker tones indicate lower backscatter intensity. The intensity represents a complex interaction between the acoustic pulse and the seafloor, as well as characteristics within the shallow subsurface, providing a general indication of seafloor texture and composition. Backscatter intensity depends on the acoustic source level; the frequency used to image the seafloor; the grazing angle; the composition and character of the seafloor, including grain size, water content, bulk density, and seafloor roughness; and some biological cover. Harder and rougher bottom types such as rocky outcrops or coarse sediment typically return stronger intensities (high backscatter, lighter tones), whereas softer bottom types such as fine sediment return weaker intensities (low backscatter, darker tones).

Tags: acoustic-reflectivity, aptos, backscatter, bathymetry, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, ecosystems, environment, fisheries, geology, geoscientificinformation, image-mosaics, imagerybasemapsearthcover, intensity, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, multibeam-sonar, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, physical-habitats-and-geomorphology, rock-substrate, santa-cruz-county, sea-floor-acoustic-reflectivity, sea-floor-characteristics, seabed, sidescan-sonar, sonar-methods, state-of-california, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, usgs, usgs-556f768ce4b0d9246a9fd058
Organization: Department of the Interior
BackscatterA [SWATH]--Offshore Aptos, California

This part of DS 781 presents data for the acoustic-backscatter map of Offshore of Aptos map area, California. Backscatter data are provided as two separate grids depending on mapping system and processing method. This metadata file refers to the data included in "BackscatterA_SWATH_OffshoreAptos.zip," which is accessible from https://doi.org/10.5066/F7K35RQB. These data accompany the pamphlet and map sheets of Cochrane, G.R., Johnson, S.Y., Dartnell, P., Greene, H.G., Erdey, M.D, Dieter, B.E., Golden, N.E., Hartwell, S.R., Ritchie, A.C., Kvitek, r.G., Maier, K.L., Endris, C.A., Davenport, C.W., Watt, J.T., Sliter, R.W., Finlayson, D.P., and Krigsman, L.M., (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Aptos, California: U.S. Geological Survey Open-File Report 2016-1025, 43 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161025.
The acoustic-backscatter map of Offshore of Aptos, California, was generated from backscatter data collected by the U.S. Geological Survey (USGS) and by Monterey Bay Aquarium Research Institute (MBARI). Mapping was completed between 1998 and 2009, using a combination of a 234-kHz SWATHplus bathymetric sidescan-sonar system and a 30-kHz Simrad EM-300 multibeam echosounder. Within the final imagery, brighter tones indicate higher backscatter intensity, and darker tones indicate lower backscatter intensity. The intensity represents a complex interaction between the acoustic pulse and the seafloor, as well as characteristics within the shallow subsurface, providing a general indication of seafloor texture and composition. Backscatter intensity depends on the acoustic source level; the frequency used to image the seafloor; the grazing angle; the composition and character of the seafloor, including grain size, water content, bulk density, and seafloor roughness; and some biological cover. Harder and rougher bottom types such as rocky outcrops or coarse sediment typically return stronger intensities (high backscatter, lighter tones), whereas softer bottom types such as fine sediment return weaker intensities (low backscatter, darker tones).

Tags: acoustic-reflectivity, aptos, backscatter, bathymetry, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, ecosystems, environment, fisheries, geology, geoscientificinformation, image-mosaics, imagerybasemapsearthcover, intensity, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, multibeam-sonar, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, physical-habitats-and-geomorphology, rock-substrate, santa-cruz-county, sea-floor-acoustic-reflectivity, sea-floor-characteristics, seabed, sidescan-sonar, sonar-methods, state-of-california, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, usgs, usgs-556f7600e4b0d9246a9fd056
Organization: Department of the Interior
Seafloor character--Offshore Santa Cruz, California

This part of DS 781 presents the seafloor-character map Offshore of Santa Cruz, California. The raster data file is included in "SeafloorCharacter_OffshoreSantaCruz.zip," which is accessible from https://doi.org/10.5066/F7TM785G. These data accompany the pamphlet and map sheets of Cochrane, G.R., Dartnell, P., Johnson, S.Y., Erdey, M.D., Golden, N.E., Greene, H.G., Dieter, B.E., Hartwell, S.R., Ritchie, A.C., Finlayson, D.P., Endris, C.A., Watt, J.T., Davenport, C.W., Sliter, R.W., Maier, K.L., and Krigsman, L.M. (G.R. Cochrane and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Santa Cruz, California: U.S. Geological Survey Open-File Report 2016-1024, pamphlet 40 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161024.
This raster-format seafloor character map shows five substrate classes Offshore of Santa Cruz, California. The substrate classes mapped in this area have been further divided into the following California Marine Life Protection Act depth zones and slope classes: Depth Zone 2 (intertidal to 30 m), Depth Zone 3 (30 to 100 m), Slope Class 1 (0 degrees - 5 degrees), and Slope Class 2 (5 degrees - 30 degrees). Depth Zone 1 (intertidal), Depth Zones 4-5 (greater than 100 m), and Slopes Classes 3-4 (greater than 30 degrees) are not present in the region covered by this block. The map is created using a supervised classification method described by Cochrane (2008).
Reference Cited: 
Cochrane, G.R., 2008, Video-supervised classification of sonar data for mapping seafloor habitat, in Reynolds, J.R., and Greene, H.G., eds., Marine habitat mapping technology for Alaska: Fairbanks, University of Alaska, Alaska Sea Grant College Program, p. 185-194, accessed April 5, 2011, at http://doc.nprb.org/web/research/research%20pubs/615_habitat_mapping_workshop/Individual%20Chapters%20High-Res/Ch13%20Cochrane.pdf.
Sappington, J.M., Longshore, K.M., and Thompson, D.B., 2007, Quantifying landscape ruggedness for animal habitat analysis--A case study using bighorn sheep in the Mojave Desert: Journal of Wildlife Management, v. 71, p. 1419-1426.

Tags: acoustic-reflectivity, bathymetry, bathymetry-measurement, cmhrp, coastal-and-marine-hazards-and-resources-program, continental-island-shelf, distributions, ecosystems, environment, fisheries, geoscientificinformation, geospatial-datasets, image-mosaics, imagerybasemapsearthcover, interferometric-sonar, maps-and-atlases, marine-geophysics, marine-nearshore-subtidal, marine-offshore-subtidal, multibeam-echo-sounder, northern-california-ecoregion, oceans, pacific-coastal-and-marine-science-center, pacific-ocean, pcmsc, photographic-sampling, rock-substrate, santa-cruz, santa-cruz-county, sea-floor-acoustic-reflectivity, sea-floor-characteristics, seabed, seafloor-character, seafloor-topography, sonar-methods, state-of-california, substrate, transform-continental-margin, u-s-geological-survey, unconsolidated-mineral-substrate, underwater-photography, usgs, usgs-5568a758e4b0d9246a9f627f, video-observation, videos
Organization: Department of the Interior
SEABOSS Images from U.S. Geological Survey (USGS) Cruises 2009-059-FA and 2010-010-FA in JPEG Format

The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Connecticut Department of Energy and Environmental Protection (CT DEEP), is producing detailed geologic maps of the coastal sea floor. Bathymetry and sidescan-sonar imagery, originally collected by NOAA for charting purposes, provide a fundamental framework for research and management activities in Long Island Sound, shows the composition and terrain of the seabed, and provides information on sediment transport and benthic habitat. During April-May 2009 NOAA completed hydrographic survey H12013 offshore of the entrance to the Connecticut River, and during November 2009 and April 2010 bottom photographs and surficial sediment data were acquired as part of two ground-truth reconnaissance surveys of this area. Two interpretive data layers were derived from the multibeam echo-sounder and the ground-truth data used to verify them. For more information on the ground-truth surveys see: http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2009-059-FA and http://woodshole.er.usgs.gov/operations/ia/public_ds_info.php?fa=2010-010-FA

Tags: atlantic-ocean, bottom-photographs, cmgp, coastal-and-marine-geology-program, connecticut, connecticut-river, digital-photo, field-activity-number-2010-010-fa, geoscientificinformation, griswold-point, ground-truth, hatchett-point, hatchett-reef, http-woodshole-er-usgs-gov-operations-ia-public_ds_info-phpfa2009-059-fa, image-collections, info-bank-r-10-10-li, info-bank-r-59-09-li, jpeg, long-island-sound, long-sand-shoal, lynde-point, north-america, oceans, ofr-2012-1103, old-lyme, old-saybrook, open-file-report-2012-1103, rv-rafeal, sea-floor, sea-floor-characteristics, seaboss, stations, u-s-geological-survey, underwater-photography, united-states, usgs, usgs-54de64c5-ffce-4a88-97c1-9a774c159d23, whcmsc, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
LANDFIRE 2015 Remap Annual Disturbance Puerto Rico US Virgin Islands

LANDFIRE's (LF) Annual Disturbance (Dist) product provides temporal and spatial information related to landscape change. Dist depicts areas that have experienced a disturbance within a given year of 4.5 hectares (11 acres) or larger, along with cause and severity. Information sources include national fire mapping programs such as Monitoring Trends in Burn Severity (MTBS), Burned Area Reflectance Classification (BARC), and Rapid Assessment of Vegetation Condition after Wildfire (RAVG), local user/agency contributed data (LF Events Geodatabase), and remotely sensed Landsat imagery. Composite Landsat image pairs from the current year, prior year, and following year are spectrally compared to determine where change occurred and its corresponding severity. Additionally, vegetation indices (Normalized Differenced Vegetation Index [NDVI] and Normalized Burn Ratio [NBR]) serve as inputs into the Multi-Index Integrated Change Algorithm (MIICA) (Jin et al. 2013); MIICA outputs and differenced products (e.g., dNDVI and dNBR) are used to locate change.  Predictive modeling based on the previous 10 years of disturbance data provides an additional dataset useful for locating disturbance.  Image analysts use the aforementioned datasets separately or in combination to isolate true change from false change (e.g., change caused by stark differences in phenology rather than a true disturbance event). The accuracy of the final product is often related to the quality of the Landsat image composite.  Areas with persistent cloud cover are particularly challenging (e.g., the northeast US). Fire caused disturbances sourced from MTBS may contain data gaps where clouds, smoke, water or Landsat Seven SLC-off stripes exist. Models trained from pre-fire and post-fire Landsat data are used to fill the gaps. The result is continuous severity and extent information for all MTBS fire disturbances. MTBS pixels derived from gap filling techniques, such as modeling, are noted as such in their corresponding attribute table. Smaller fires that do not meet the size criteria set forth by MTBS) may be attributed as a Burned Area Essential Climate Variable (BAECV), which are only produced for the lower 48 states. Causality and severity information assigned to a disturbance are prioritized by source, with the Highest priorities reserved for fire mapping programs (MTBS, BARC and RAVG) followed by user-contributed events contained in the LF Events Geodatabase, and lastly, Landsat image based change.

Tags: annual-disturbance, annual-disturbance-2015, biota, fires, geographic-information-systems, geospatial-datasets, hazard-preparedness, ia, image-collections, imagerybasemapsearthcover, insular-areas, landfire-2016-remap, lf-2016-remap, oconus, puerto-rico, raster-digital-data, remote-sensing, u-s-forest-service-usfs, u-s-geological-survey-usgs, united-states, us, us-virgin-islands, usgs-53aae6c0-490b-46d9-b6b6-029cdc6b07f8, yearly-disturbance
Organization: Department of the Interior