AndreaBozzo/ceres-open-data-index huggingface dataset:
Digital Polygon Model Grid of the Hydrogeologic Framework of Bedrock Units for a Simulation of Groundwater Flow for the Lake Michigan Basin

The hydrogeologic framework for the Lake Michigan Basin model was developed by grouping 
the bedrock geology of the study area into hydrogeologic units on the basis of the functioning 
of each unit as an aquifer or confining layer within the basin. Available data were evaluated 
based on the areal extent of coverage within the study area, and procedures were established 
to characterize areas with sparse data coverage. Top and bottom altitudes for each hydrogeologic 
unit were interpolated in a geographic information system for input to the model and compared 
with existing maps of subsurface formations. Fourteen bedrock hydrogeologic units, making 
up 17 bedrock model layers, were defined, and they range in age from the Jurassic Period red 
beds of central Michigan to the Cambrian Period Mount Simon Sandstone.
			
Each hydrogeologic unit is referred to as its model layer number as represented in the report 
U.S. Geological Survey Scientific Report 2009-5060 (SIR2009-5060). They are listed below for 
reference as to the model layer number, and the hydrogeoloigc unit name. Dataset values 
represent the bottom of the layer.
LSD		Land surface
L1_3	Quaternary unit (Bottom of Quaternary unit is Layer 3 in the model)
L4      Jurassic unit
L5 		Upper Pennsylvanian unit 
L6      Lower Pennsylvanian unit
L7      Michigan Formation unit
L8      Marshall Formation unit
L9      Devonian-Mississippian unit
L10_12	Silurian-Devonian unit (Bottom of Silurian-Devonian unit is Layer 12 in the model)
L13     Maquoketa Formation unit
L14     Sinnipee Formation unit
L15     St. Peter Formation unit
L16     Prairie du Chien-Franconia unit
L17     Ironton-Galesville unit
L18     Eau Claire unit
L19_20	Mt Simon Formation unit (Bottom of Mt Simon Formation unit is Layer 20 in the model)
			
The Lake Michigan Basin groundwater model is discretized into a grid of 391 by 261 cells. The 
model has 20 layers: 3 that simulate the glacial and unconsolidated sediments and 17 that 
simulate the bedrock units. The model provides additional detail in the area of greatest interest, 
in this case, the Lake Michigan Basin, by use of smaller grid spacing in the innermost model 
domain  compared with the grid spacing at the model boundaries. The smallest interior grid 
cells are 5,000 by 5,000 ft. At the model boundaries, the size of grid cells reaches approximately 
68,930 ft (13 mi) from north to south by 116,490 ft (22 mi) from east to west.
The grid cells each have values for the altitude to the bottom of each layer. The layer numbers 
are from top to bottom of the aquifer system. Three hydrogeologic units are represented by the 
multiple layers

Tags: aquifer, bedrock, confining-unit, geology, great-lakes-basin, groundwater, hydrogeologic-framework, hydrogeology, inlandwaters, lake-michigan, lake-michigan-basin, michigan, northern-illinois, northern-indiana, salinity, usgs-2a89ecc9-b6b8-4fdb-a762-b99b0edf89ae, wisconsin
Organization: Department of the Interior
Sedimentologic Data from Point aux Chenes Marsh and Estuary, Mississippi (18CCT09)

Sediment samples, including marsh and estuarine surface samples and marsh push and peat-auger cores, were collected from Point aux Chenes, Mississippi from October 23-26, 2018, and August 4, 2021. Marsh surface samples (top 1 centimeter (cm) of sediment; sample names appended with S), marsh push cores (core names appended with M) and peat-auger cores (core names appended with R) were collected along 50-meter (m), shore perpendicular, transects identified as sites 5, 6, 7, and 9. All samples in the dataset are referred to by alternate field activity number (FAN) 18CCT09 (FAN 2018-358-FA) and alternate FAN 21CCT02 (FAN 2021-320-FA). Estuarine Ponar grab samples (sample names appended with G), marsh surface samples, and push cores were collected and brought back for sedimentological analyses including dry bulk density, organic content, grain-size (for the development of a sedimentological baseline), and gamma spectroscopy (for the development of geochronologies). Peat augers were collected, described for depth to peat, and discarded in the field. Marsh and estuarine surface and core sediment samples were collected by the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center's (SPCMSC) to study how and where short- and long-term marsh and estuarine coastal process interact in order to identify and evaluate geologic and geomorphic variables influences on marshes and their resiliency under different storm and sea-level scenarios, determine marsh-upland boundary change rates, and sediment accumulation and erosion rates. Note: This data release was revised with additional data. Please see the data release webpage for more details.

Tags: 18cct09, augering, biota, bulk-density, core-analysis, elevation, environment, field-sampling, gamma-spectroscopy, geology, geoscientificinformation, gradistat, grain-size-analysis, grand-bay, lithology, location, loi, loss-on-ignition, marsh-core, point-aux-chenes, ponar-grab, porosity, push-coring, radioactivity, radiochemistry, rocks-and-deposits, sediment, state-of-mississippi, surface-sample, u-s-geological-survey, unconsolidated-deposits, usgs, usgs-2a75bbb6-4968-4399-a722-9dfd5ebdef87, wetland-ecosystems
Organization: Department of the Interior
Biscayne National Park LIDAR GeoTIFF

Lidar is a remote sensing technique that uses laser light to detect, range, or identify remote objects based on light reflected by the object or emitted through it subsequent fluorescence.  Airborne ranging lidar is now being applied in coastal environments to produce accurate, cost-efficient elevation datasets with high data density.  The USGS in cooperation with NASA and NPS is using airborne lidar to measure the submerged topography of the north Florida reef tract; secondarily, the data will be assessed for its potential in terms of benthic characterization. Elevation measurements were collected over Biscayne National Park using the NASA Experimental Advanced Airborne Research Lidar (EAARL), a pulsed laser ranging system mounted onboard an aircraft to measure subaerial and submarine coastal topography. With the NASA EAARL lidar system, submarine data is generally acquired to a maximum of approximately 1.5 secchi depths (a measure of water clarity).  The system uses a high frequency laser beam 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 Experimental Advanced Airborne Research Lidar, developed by the National Aeronautics and Space Administration (NASA) Wallops Flight Facility (WFF) in Virginia, measures ground elevation with a vertical resolution of roughly 15 centimeters. A sampling rate of up to 3 kHz results in an extremely dense spatial elevation data set. The EAARL system is typically flown at 300 m altitude AGL, resulting in a 240 m swath for each flightline. Data collection occurred with approximately 50% overlap between flightlines, resulting in about one laser sounding per square meter. The data were processed by the USGS Center for Coastal and Watershed Studies to produce 1­meter resolution raster images that can be easily ingested into a Geographic Information System (GIS). The data were organized as 2 km by 2 km data tiles in 32­bit floating­point integer GeoTiff format.
For more information on Lidar science and the Experimental Advanced Airborne Research Lidar (EAARL) system and surveys, see http://ngom.usgs.gov/dsp/overview/index.php and http://ngom.usgs.gov/dsp/tech/eaarl/index.php .

Tags: airborne-lidar-processing-system, altimetry, atlantic-coast, bare-earth-elevations, bathymetry-and-elevation, benthic-cover-types, biscayne-national-park, coastal-florida, coastal-resource-management, derived-surface, digital-elevation-model, digital-elevation-models, distributions, elevation, elevation-change, experimental-advanced-airborne-research-lidar, florida, laser-altimetry, lidar, northern-florida-reef-tract, submerged-topography, topographic-mapping, topography, united-states-east-coast, usgs-2a720262-d2a3-4f27-8ac9-2675141394bd
Organization: Department of the Interior
Airborne geophysical survey: Arminto, Wyoming

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, arminto, f56005-campbell, f56019-johnson, field-monitoring-stations, geophysical-surveys, geophysics, geospatial-datasets, magnetic, magnetic-field-earth, magnetic-surveys, residual-magnetic-field, total-field, united-states, usgs-2b07821f-ebcd-4baf-b310-abbf8bc8dd89, wy, wyoming
Organization: Department of the Interior
Airborne geophysical survey: Delaware-New Jersey, New Jersey

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, de, delaware, delaware-new-jersey, f10001-kent, f10003-new-castle, f10005-sussex, f24011-caroline, f24015-cecil, f24019-dorchester, f24029-kent, f24035-queen-annes, f24045-wicomico, f34001-atlantic, f34003-bergen, f34005-burlington, f34007-camden, f34009-cape-may, f34011-cumberland, f34013-essex, f34015-gloucester, f34017-hudson, f34019-hunterdon, f34021-mercer, f34023-middlesex, f34025-monmouth, f34029-ocean, f34033-salem, f34035-somerset, f34039-union, f36061-new-york, f36085-richmond, f42017-bucks, f42045-delaware, f42101-philadelphia, field-monitoring-stations, geophysical-surveys, geophysics, geospatial-datasets, magnetic, magnetic-field-earth, magnetic-surveys, new-jersey, nj, residual-magnetic-field, total-field, united-states, usgs-2a4376f0-9dc6-403e-a154-ba3ffa5cc358
Organization: Department of the Interior
Aquifer vulnerability for Colorado and New Mexico

The U.S. Geological Survey Data Series provides raster data representing an estimate of aquifer 
vulnerability calculated for each 30-meter raster cell. Depth to water, Recharge, Aquifer media, 
Soil media, Topography, Impact of the vadose zone, and hydraulic Conductivity of the aquifer 
(DRASTIC) are represented geospatially and used to calculate aquifer vulnerability. The DRASTIC 
approach to calculating aquifer vulnerability involves developing an index, based on geospatial 
information, which rates how susceptible the aquifers underlying different areas are to receive 
chemicals introduced at land surface. The physical data represented in each geospatial layer 
was assigned an index value and a weight multiplier used to indicate the importance of each 
type of data. The weighted sum of the layers was then calculated to achieve the aquifer 
vulnerability score

Tags: aquifer-media, colorado, colorado-aquifer, depth-to-water, drastic, elevation-and-derived-products, geological-and-geophysical, human-health-and-diease, hydraulic-conductivity, imagery, imagery-and-base-maps, impact-of-the-vadose-zone, inland-waters, locations-and-geodetic-networks, new-mexico, new-mexico-aquifer, oceans-and-estuaries, recharge, soil-media, topography, usgs-2a38302b-243d-41cc-8823-31807da1d4e7
Organization: Department of the Interior
Shapefile of the Single-beam Bathymetry Tracklines Surveyed in June 2015 from The Chandeleur Islands, Louisiana

As part of the Louisiana Coastal Protection and Restoration Authority (CPRA) Barrier Island Comprehensive Monitoring (BICM) Program, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center conducted a single-beam bathymetry survey around the Chandeleur Islands, Louisiana in June 2015. The goal of the program is to provide long-term data on Louisiana’s barrier islands and use this data to plan, design, evaluate, and maintain current and future barrier island restoration projects. The data described in this report, along with USGS bathymetry data collected in 2013 as a part of the Barrier Island Evolution Research project covering the northern Chandeleur Islands, and data collected in 2014 in collaboration with the Louisiana CPRA Barrier Island Comprehensive Monitoring project around Breton Island, will be used to assess bathymetric change since 2006-2007 and serve as a bathymetric control in supporting modeling future changes in response to restoration and storm impacts. The survey area encompasses approximately 435 square kilometers (km2) of nearshore and back-barrier environments around Hewes Point, the Chandeleur Islands, and Curlew and Grand Gosier Shoals. This Data Series serves as an archive of processed single-beam bathymetry data, collected in the nearshore of the Chandeleur Islands, Louisiana from June 17-24, 2015 during USGS Field Activity Number (FAN) 2015-317-FA. Geographic information system data products include: a 200 meter-cell-size interpolated bathymetry grid, trackline maps, and xyz point data files. Additional files include error analysis maps, Field Activity Collection System logs, and formal Federal Geographic Data Committee metadata.

Tags: 15bim01, 15bim02, 15bim03, 2015-317-fa, barrier-island-comprehensive-monitoring-program, barrier-island-mapping, bathymetry, chandeleur-islands, chandeleur-sound, cmgp, coastal-and-marine-geology-program, curlew-islands, datum, geophysical, geophysics, geoscientificinformation, gosier-island, grand-gosier-islands, gulf-of-mexico, hewes-point, hydrography, hypack, imagerybasemapsearthcover, location, louisiana, marine-geology, oceans, shoreline, single-beam, spcmsc, st-petersburg-coastal-and-marine-science-center, tracklines, u-s-geological-survey, usgs, usgs-2a3814a2-6e23-46ea-91e5-591b375681dc, water
Organization: Department of the Interior
Swath bathymetry 13-m-cell-size grid of quadrangle 6 on Stellwagen Bank offshore of Boston, Massachusetts collected by the U.S. Geological Survey aboard the Frederick G. Creed from 1994-1996 (custom Mercator projection, NAD 83, Esri binary grid format)

The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration's National Marine Sanctuary Program, has conducted seabed mapping and related research in the Stellwagen Bank National Marine Sanctuary region since 1993. The area is approximately 3,700 square kilometers (km2) and is subdivided into 18 quadrangles. Seven maps, at a scale of 1:25,000, of quadrangle 6 (211 km2) depict seabed topography, backscatter, ruggedness, geology, substrate mobility, mud content, and areas dominated by fine-grained or coarse-grained sand. Interpretations of bathymetric and seabed backscatter imagery, photographs, video, and grain-size analyses were used to create the geology-based maps. In all, data from 420 stations were analyzed, including sediment samples from 325 locations. The seabed geology map shows the distribution of 10 substrate types ranging from boulder ridges to immobile, muddy sand to mobile, rippled sand. Substrate types are defined on the basis of sediment grain-size composition, surficial morphology, sediment layering, and the mobility or immobility of substrate surfaces. This map series is intended to portray the major geological elements (substrates, features, processes) of environments within quadrangle 6. Additionally, these maps will be the basis for the study of the ecological requirements of invertebrate and vertebrate species that utilize these substrates and guide seabed management in the region.

Tags: atlantic-ocean, bathymetry, cmgp, coastal-and-marine-geology-program, elevation, esri-binary-grid, frederick-g-creed, geoscientificinformation, geospatial-datasets, marine-geophysics, massachusetts, massachusetts-bay, multibeam-sonar, north-america, oceans, raster, sea-floor-characteristics, sea-floor-topography, simrad-em1000, stellwagen-bank, stellwagen-bank-national-marine-sanctuary, swath-bathymetry, u-s-east-coast, u-s-geological-survey, united-states, usgs, usgs-2a27098b-d9ff-4edb-9954-f775483cbffe, whcmsc, woods-hole-coastal-and-marine-science-center
Organization: Department of the Interior
Chiricahua leopard frog - Arizona: influence of landscape features on landscape resistance and colonization dynamics (presence data, wind speed, air temp; hydroperiod spatial coordinates)

The Figshare file includes: R code for the custom Metropolis-within-Gibbs sampler, presence data, wind speed and air temperature data, site coordinates, hydroperiods for each site and the digital elevation model. Information was used to quantify the influence of landscape features on landscape resistance and colonization dynamics in a spatially-explicit metapopulation model for Chiricahua leopard frogs at Buenos Aires National Wildlife Refuge, Arizona, U.S.A.
File list 
lich-resist-hydroCol-2017-S1.R
lich-resist-hydroCol-mcmc-S1.R
coords.figshare.csv
water.figshare.csv
y.wide.figshare.csv
wind.wide.figshare.csv
temp.wide.figshare.csv
dem
File descriptions
The file lich-resist-hydroCol-2017-S1.R contains R code for running the custom mcmc sampler lich-resist-hydroCol-mcmc-S1.R with data collected for the Chiricahua leopard frog in the Altar Valley, Arizona, USA.  
The file lich-resist-hydroCol-mcmc-S1.R contains the custom Metropolis-within-Gibbs sampler used to fit a spatially-explicit metapopulation occupancy model to presence-absence data collected at a subset of sites. The R code allows users to estimate the influence of up to two landscape features, represented as raster files, on landscape resistance and colonization rate. The code contains an explanation of each of the parameters estimated in the model and the data that can be input by the user.
Note: although file names contain the word "dryad", the files are found on Figshare. 
The file y.wide.dryad.csv contains the presence-absence data.
The file wind.wide.dryad.csv contains wind speed data collected during each sampling occasion.
The file temp.wide.dryad.csv contains ambient temperature collected during each sampling occasion.
The file coords.dryad.csv contains coordinates for each site. 
The file water.dryad.csv contains the hydroperiod for each site.
The file dem contains the digital elevation model used in our analysis. The resolution (pixel size) of the raster is 900x900m. 
Note: All of the files in DataS1 must be within your working directory for the analysis to work. The data are provided as csv files and a raster format for the elevation covariate. In the R code provided, we show an example of running the sampler out of parallel. To improve processing time, we recommend running the sampler in parallel on multiple cores (1 chain per core), in order to run multiple chains at the same time to assess convergence.

Tags: amphibians, biota, chiricahua-leopard-frog, dynamics, landscape-resistance, metapopulation, metapopulation-model, population-dynamics, spatially-explicit, usgs-2a213231-e9f3-40c7-96b7-ade1153cf2b9
Organization: Department of the Interior
Seafloor or Short Core Hydrate Locations in the Gulf of Mexico (HYDRATES.SHP)

This GIS overlay is a component of the U.S. Geological Survey, Woods Hole Field Center's, Gulf of Mexico ArcView GIS database. The Gulf of Mexico GIS database is intended to organize and display USGS held data and provide on-line (WWW) access to the data and/or metadata. Additional GIS overlays downloaded from the WWW, such as the one described here, are also included in the Gulf of Mexico ArcView GIS database. Attempts to properly attribute such GIS overlays with the WWW address and data compilers has been made.

Tags: arcview, cmgp, coastal-and-marine-geology-program, continental-slope, eez, gas-hydrates, geoscientificinformation, geospatial-datasets, gulf-of-mexico, gulf-of-mexico-gis-database, ocean-processes, oceans, points, scientific-interpretation, sea-floor-characteristics, sediment-transport, shapefile, u-s-exclusive-economic-zone, u-s-geological-survey, usgs, usgs-2a1f03d8-dd91-4913-8249-238a54eae0be, whsc, woods-hole-science-center
Organization: Department of the Interior
f790nc.m77t and f790nc.h77t: MGD77T data and header files for single-beam bathymetry data for field activity F-7-90-NC in the Gulf of Farallones, Northern California from 07/19/1990 to 08/03/1990

Single-beam bathymetry data along with Loran-C RHO-RHO and GPS navigation data was collected as part of the U.S. Geological Survey cruise F-7-90-NC. The cruise was conducted in the Gulf of Farallones, Northern California from July 19 to August 3, 1990. The chief scientists were Herman Karl and Dave Drake from the USGS Coastal and Marine Geology office in Menlo Park, CA and Bill Schwab from the USGS Coastal and Marine Geology office in Woods Hole, Mass.
The purpose of this cruise was a slope stability survey of the Farallones Escarpment. The geophysical sources were 10 kilohertz (kHz), 4.5 kHz, and 3.5 kHz systems.
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/f/f790nc/html/f-7-90-nc.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-the-farallones, marine-geology, marine-geophysics, north-pacific-ocean, oceans, pacific-ocean, seafloor-topography, single-beam-bathymetry, single-beam-echo-sounder, state-of-california, usgs-2a05b578-77d3-4944-9d40-6ae4d2de244e, water-depth
Organization: Department of the Interior
SIR2005-5073_CBRWM_LandSegments

This data set is an ArcGIS shapefile depicting land segments in the Chesapeake Bay Watershed 
and adjacent states of New York, Pennsylvania, Maryland, West Virginia, Delaware, Virginia, North 
Carolina, and Tennessee.  Land segmentation was based on county boundaries represented by a 
1:100,000-scale digital dataset. Fifty of the 254 counties and incorporated cities in the model region 
were divided on the basis of physiography and topography, producing a total of 310 land segments. 
The data are projected to the UTM grid coordinate system - Zone 18 NAD27.

Tags: biota, chesapeake-bay-watershed, county, de, elevation, environment, farming, hspf-model, inlandwaters, md, nc, ny, pa, physiography, political-boundaries, segmentation, tn, topography, usgs-29fe5926-bb5f-4dd3-a1e6-042e2a8731c6, va, wv
Organization: Department of the Interior
Ivan_R1_elevation: Modeling the impacts of sand placement strategies on barrier island evolution in a semi-enclosed bay system: model input and results

Using version 5527 of the XBeach numerical model (Roelvink and others, 2009), barrier island morphological change was simulated at Little Dauphin Island, Alabama (AL) under different storm scenarios and restoration alternatives as described in Passeri and others (2025). The two-dimensional XBeach model can be applied to barrier islands to solve for time-dependent elevations (topography and bathymetry). The XBeach model setup requires the input of topographic and bathymetric elevations at each grid cell. Model inputs and outputs in the form of elevation at each grid cell are provided in this data release. For further information regarding model input generation and visualization of model output, refer to Passeri and others (2025).

Tags: alabama, bathymetry, coastal-processes, digital-elevation-models, elevation, geomorphology, geoscientificinformation, gulf-of-mexico, little-dauphin-island, north-america, oceans, spcmsc, st-petersburg-coastal-and-marine-science-center, storm-surge, topography, u-s-geological-survey, united-states, usgs, usgs-29f7c2af-f357-4131-ba64-e4794b3197ee
Organization: Department of the Interior