177 datasets found
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Federal
Soil movement across black grama and mesquite ecotone transects in the Jornada Basin, southern New Mexico, USA, 1933-2011
Department of Agriculture —
This package contains data from a study that measured long-term soil movement in areas undergoing mesquite invasion on the Jornada Experimental Range from 1933-2011.... -
Federal
Exit Creek Bank Height Survey, June 2013
Department of the Interior —
This dataset consists of survey data from bank profiles surveyed June 12 and June 24-26, 2013 at the edge of the active braid plain of Exit Creek, a stream draining... -
Federal
Geotagged images of sediment grabs collected in the vicinity of Buffalo Reef, Michigan, within Lake Superior during USGS Field Activity 2021-005-FA using the USGS MiniSEABOSS (JPEG images; GCS WGS 84)
Department of the Interior —
In August 2021, the U.S. Geological Survey, in collaboration with the U.S. Army Corps of Engineers, collected high-resolution geophysical data, sediment samples, and... -
Federal
Measurements of bed grain size on the Colorado River in Grand Canyon National Park, Arizona - 2000 to 2014
Department of the Interior —
These data were compiled to better understand sedimentation patterns on the bed of the Colorado River in Grand Canyon National Park, and the way these patterns relate... -
Federal
Impact of Season Water Stratification on Methyl Mercury Production
U.S. Environmental Protection Agency —
The current data entry contains the raw data that was used to create the figures and tables in the publication. This dataset is associated with the following... -
Federal
Common hydraulic fracturing fluid additives alter the structure and function of anaerobic microbial communities
Department of the Interior —
Data supporting "Common hydraulic fracturing fluid additives alter the structure and function of anaerobic microbial communities", describing iron reduction... -
Federal
2020/2021 Narragansett Bay field survey
U.S. Environmental Protection Agency —
Unlike many estuaries, Narragansett Bay nutrient inputs are dominated by point sources. After a large fish kill in 2003, large management actions have been... -
Federal
Location of bottom video tracklines collected during field activity 2011-015-FA by the U.S. Geological Survey and Massachusetts Office of Coastal Zone Management offshore of Massachusetts around Cape Cod and the Islands in September 2011 (polyline shapefile)
Department of the Interior —
Accurate data and maps of sea-floor geology are important first steps toward protecting habitat, delineating marine resources, and assessing environmental changes due... -
Federal
Survey lines along which SEABed Observation and Sampling System (SEABOSS) video were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeabossTrackline shapefile, Geographic, WGS84)
Department of the Interior —
These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal... -
Federal
Total and methyl mercury, moisture, and porosity in Lake Michigan surficial sediment
U.S. Environmental Protection Agency —
Total and methyl mercury, moisture content (%), and porosity were measured in Lake Michigan sediment by the U.S. Environmental Protection Agency/Office of Research... -
Federal
Location and analysis of sediment samples collected by the U.S. Geological Survey in 2014 along the Delmarva Peninsula, MD and VA (Esri point shapefile and CSV file, Geographic, WGS 84)
Department of the Interior —
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... -
Federal
RI Mo-DO-N study sampling locations
U.S. Environmental Protection Agency —
Dates and locations where sediment samples were collected and notes of any observations at the time. This dataset is associated with the following publication:... -
Federal
Surficial Sediment Data Collected During RV Rafael Cruise 2010-010-FA and OSV Bold Cruise 2010-015-FA North of Duck Pond Point, New York in Eastern Long Island Sound (H11999_SEDDATA.SHP)
Department of the Interior —
The U.S. Geological Survey (USGS), in cooperation with the Connecticut Department of Environmental Protection and National Oceanic and Atmospheric Administration... -
Federal
Benthic and biological data in the New York Bight from 2010-06-01 to 2012-05-31 (NCEI Accession 0128996)
National Oceanic and Atmospheric Administration, Department of Commerce —
These data sets show the distribution of key species and habitats, such as seabirds, bathymetry, surficial sediments, deep sea corals, and oceanographic habitats.... -
Federal
CLIMAP 120K bp Sediment Data Files - Micropaleontology, Carbonate Percentages, Carbon 14 Age Dates, and Oxygen Isotope Data for 52 Selected Seafloor Cores
National Oceanic and Atmospheric Administration, Department of Commerce —
The CLIMAP (Climate: Long-range Investigation, Mapping, and Prediction) Project was funded by the National Science Foundation as part of the International Decade of... -
Federal
Archive of Geosample Information from the British Ocean Sediment Core Research Facility (BOSCORF)
National Oceanic and Atmospheric Administration, Department of Commerce —
The British Ocean Sediment Core Research Facility (BOSCORF), National Oceanography Centre, is a contributor to the Index to Marine and Lacustrine Geological Samples... -
Federal
Oregon's Yaquina estuary offshore dredge disposal infauna
U.S. Environmental Protection Agency —
The accompanying database contains the data associated with an EPA funded study of the effects of offshore dredge spoil disposal. Sites offshore of Oregon’s Yaquina... -
Federal
The Geochemical Atlas of Alaska, 2016 - WBD Means
Department of the Interior —
A rich legacy of geochemical data produced since the early 1960s covers the great expanse of Alaska; careful treatment of such data may provide significant and... -
Federal
National Status and Trends: Faga'alu, American Samoa Sediment Contaminants Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Worldwide coral reefs are being threatened by a range of human activities. Sedimentation, overfishing, global climate change, ship groundings, pathogens and pollution... -
Federal
Mercury Concentrations and Isotopic Compositions in Sediment Cores from North American Lakes (Alaska, Minnesota, and Newfoundland)
Department of the Interior —
Mercury isotope measurements were made across nine sediments cores from remote North American lakes to examine changes in the Hg isotope profiles. The lakes spanned...
177 datasets found