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Hydrothermal friction experiments in quartzite: The effect of temperature and normal stress on strength recovery Hydrothermal friction experiments in quartzite: The effect of temperature and normal stress on strength recovery
Laboratory slide-hold-slide tests were conducted in a conventional triaxial deformation configuration on 3/4-inch diameter cylindrical cores of Eureka quartzite bisected by a sawcut oriented at 30 degrees from vertical. Tests were conducted at constant normal stresses of 30, 110, and 210 MPa with a 10 MPa pore fluid pressure. The pore fluid was deionized water. Experiments were conducted...
Inventory map of submarine and subaerial-to-submarine landslide features in Barry Arm Fjord, Prince William Sound, Alaska Inventory map of submarine and subaerial-to-submarine landslide features in Barry Arm Fjord, Prince William Sound, Alaska
Documenting and assessing submarine or subaerial-to-submarine landslides is critical for understanding the history of slope failures and related tsunami impacts in rapidly deglaciating fjord environments. The discovery of the ~500-million-cubic-meter slow-moving subaerial Barry Arm Landslide in northwest Prince William Sound, Alaska (Dai and others, 2020) highlights the need to better...
GPS Telemetry and other data sets of Florida manatees from Crystal River, FL 2006-2018 GPS Telemetry and other data sets of Florida manatees from Crystal River, FL 2006-2018
These data represent 1) Telemetry from Florida manatee from Crystal River, FL 2006-2018 2) Observations of manatees, swimmers and paddlecraft from Three Sisters Springs, Crystal River, FL 2014-2017 3) GIS polygons of aquatic landscape features from Crystal River, FL.
Hakalau Forest NWR seedling and substrate data, 2015 Hakalau Forest NWR seedling and substrate data, 2015
This data release includes data and metadata on seedling counts and substrate cover in forest plots in Hakalau Forest National Wildlife Refuge on Hawaiʻi Island. Broadly, this study asks how seedlings densities relate to their microsites in terms of grass cover and nurse log and moss presence.
USGS National Wildlife Health Center necropsy and contaminant results for bald and golden eagles collected in 8 States from January 1, 2014, through December 31, 2017 to determine cause of illness/death and lead, mercury, and anticoagulant rodenticide exp USGS National Wildlife Health Center necropsy and contaminant results for bald and golden eagles collected in 8 States from January 1, 2014, through December 31, 2017 to determine cause of illness/death and lead, mercury, and anticoagulant rodenticide exp
The U.S. Geological Survey National Wildlife Health Center (NWHC) measured environmental contaminants in bald eagles (Haliaeetus leucocephalus) and golden eagles (Aquila chrysaetos) to evaluate dietary exposure to lead, mercury, and anticoagulant rodenticides (AR), which was identified by U.S. Fish and Wildlife Service (USFWS) as a priority issue of concern for the Mountain Prairie...
Produced water volatile organic compound and select organic and inorganic data collected from eight oil fields, 2016-2020, California Produced water volatile organic compound and select organic and inorganic data collected from eight oil fields, 2016-2020, California
The U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board collected produced water samples for analysis of volatile organic compounds (VOCs) in the eight California oil fields of Fruitvale, Lost Hills, North Belridge, Orcutt, Placerita, South Belridge, Midway-Sunset, and Buena Vista from 2016 to 2020. Sampled sites included oil wells...