55 datasets found
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Federal
Dataset establishing garnet stability in arc basalt, andesite, and dacite – an experimental study
Department of the Interior —
These data are geochemical analyses of phase equilibria experiments. -
Federal
Data acquired in laboratory experiments conducted with the crustacean Daphnia magna to characterize Ag bioaccumulation kinetics after exposures to AgNO3 or Ag nanoparticles, 2019-2021
Department of the Interior —
Silver nanoparticles (AgNP) are one type of contaminant that can enter treatment wetlands (Wiesner 2006) and impact the overall treatment efficacy. Grazing by filter... -
Federal
Utah FORGE 2-2446: Report on Laboratory Block Experiments with Six Different Combinations of Stresses and Rock Fabrics
Department of Energy —
This report documents a series of block-scale hydraulic fracturing experiments, simulating Utah FORGE conditions to investigate how different combinations of in situ... -
Federal
Per- and polyfluoroalkyl substances (PFAS) and volatile organic compounds measured in laboratory microcosm experiments with soil from Fort Drum, New York
Department of the Interior —
Anaerobic microcosm experiments were conducted in April-May 2018 with PFAS-contaminated soil from a U.S. Army installation (Fort Drum, New York) and simulated... -
Federal
Experimental Results for Heat-Pulse Flowmeter
Department of the Interior —
The heat-pulse flowmeter (HH) used in this testing is a KVA Model 200 system. The instrument computes groundwater vectors from heat arrival and decay in an array of... -
Federal
Soil surface properties and roughness data at two experimental restoration sites within the Southwestern USA
Department of the Interior —
This data release presents data used for analyzing spatial and temporal differences in soil surface roughness within selected biocrust communities. These records were... -
Federal
Laboratory Predation Data (various nonnative warm-water sport fishes), Arizona
Department of the Interior —
These data were compiled to evaluate the potential impact various environmental conditions may have on native fish populaitons through predation. Introduced warm-... -
Federal
Experimental Results for Colloidal Borescope Flowmeter
Department of the Interior —
The colloidal borescope flowmeter (HB) used in this testing was developed by AquaVISION, Llc. The instrument employs a charge-coupled device camera, an optical... -
Federal
Experimental Results for Vertical Placement of Colloidal Borescope Flowmeter
Department of the Interior —
The effects of vertical flowmeter placement relative to the vertical fracture opening were examined using the colloidal borescope flowmeter (HB). For these... -
Federal
Greenhouse gas fluxes, dissolved gas concentrations, and water properties of laboratory mesocosms
Department of the Interior —
The data describe greenhouse gas (GHG) emissions, dissolved GHG concentrations, and mesocosm conditions (vegetation, hydrologic phases, ambient conditions) of a... -
Federal
Microbial Populations in PFHxSAm (perfluorohexane sulfonamido propyl amine) Biodegradation Microcosms
Department of the Interior —
Water resources around the world are contaminated with per- and polyfluoroalkyl substances (PFAS) due to releases from point sources on military installations, fire... -
Federal
2D micromodel studies of pore-throat clogging by pure fine-grained sediments and natural sediments from NGHP-02, offshore India
Department of the Interior —
Fine-grained sediments, or “fines,” are nearly ubiquitous in natural sediments, even in the predominantly coarse-grained sediments that host gas hydrates. Fines... -
Federal
Greenhouse gas fluxes and dissolved greenhouse gas concentrations from wetland soil microcosms treated with herbicides
Department of the Interior —
This data release presents data from a laboratory microcosm study examining the potential effects of herbicide application on the production and flux of greenhouse... -
Federal
Dataset of diatom controls on the sedimentation behavior of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Proximal and distal factors associated with the decline in secondary invertebrate prey production in the Colorado River, Glen Canyon, Arizona.
Department of the Interior —
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the... -
Federal
Laboratory Assessment of Colloidal Borescope and Heat-Pulse Flowmeters in Measuring Horizontal Flow in Fractured-Rock Simulators
Department of the Interior —
The U.S. Geological Survey (USGS), at the request of the U.S. Army Environmental Command (USAEC), evaluated the capabilities of two borehole technologies to measure... -
Federal
Dataset of diatom controls on the compressibility and permeability of fine-grained sediment collected offshore of South Korea during the Second Ulleung Basin Gas Hydrate Expedition, UBGH2
Department of the Interior —
One of the primary goals of South Korea’s second Ulleung Basin Gas Hydrate Expedition (UBGH2) was to examine the geotechnical properties of the marine sediment... -
Federal
Stable Isotopic Data (δ13C and δ2H) for Reference Materials HCG-1, HCG-2, and HCG-3
Department of the Interior —
Stable carbon and hydrogen isotopic data generated by off-line preparation and dual inlet mass spectrometric analysis used the determine the recommended values for... -
Federal
Sedimentation Rate Dependence on Pore Fluid Chemistry for Sediment Collected From Area B, Krishna-Godavari Basin, During India's National Gas Hydrate Program Expedition NGHP-02
Department of the Interior —
One goal of the Indian National Gas Hydrate Program's NGHP-02 expedition was to examine the geomechanical response of marine sediment to the extraction of methane... -
Federal
Laboratory Observations of Artificial Sand and Oil Agglomerates Video and Velocity Data: Sea Floor Interaction Experiment Interpretive Video
Department of the Interior —
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...
55 datasets found