Reports
Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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The solar cycle, geology, and geoelectric hazards for power grids The solar cycle, geology, and geoelectric hazards for power grids
When sunspots are large and numerous, intense magnetic storms are likely to occur on the Earth. Magnetic storms can generate electric fields in the Earth, and these fields can, in turn, interfere with electric power transmission grids that are grounded at the Earth’s surface. Across the contiguous United States, geoelectric hazards are highest in the Upper Midwest and in the East. These...
Authors
Jeffrey J. Love, Steven Sobieszczyk, E. Joshua Rigler, Anna Kelbert, Kristen A. Lewis
The Interagency Coordinating Committee on the validation of alternative methods (ICCVAM) The Interagency Coordinating Committee on the validation of alternative methods (ICCVAM)
Many ICCVAM member agencies are developing new technologies and resources to replace the use of animals for chemical safety testing. These include new platforms such as microphysiological systems (MPS), data resources to support the development of predictive models and quantitative structure–activity relationships (QSARs), and web tools to facilitate data access and visualization.
Authors
Barnett A. Rattner, Timothy Bargar, Paula F. P. Henry
Conceptualization and simulation of groundwater flow and groundwater availability in the Boone and Roubidoux aquifers in northeastern Oklahoma, 1980–2017 Conceptualization and simulation of groundwater flow and groundwater availability in the Boone and Roubidoux aquifers in northeastern Oklahoma, 1980–2017
Oklahoma Groundwater Law (Oklahoma Statute § 82-1020.5) requires that the Oklahoma Water Resources Board conduct hydrologic investigations to determine the maximum annual yield for the State’s groundwater basins. The Boone and Roubidoux aquifers (also known as the Springfield Plateau aquifer and Ozark aquifer, respectively) are bedrock aquifers that extend from northeastern Oklahoma into...
Authors
Adam R. Trevisan, Cory A. Russell, Hayden A. Lockmiller, Derrick L. Wagner, Jessica S. Correll, Katherine J. Knierim
Geospatial PDF map of the compilation of GIS data for the mineral industries of select countries in the Indo-Pacific region Geospatial PDF map of the compilation of GIS data for the mineral industries of select countries in the Indo-Pacific region
Introduction In 2024, the U.S. Geological Survey's (USGS) National Minerals Information Center (NMIC) completed the project titled "Compilation of geospatial data for the mineral industries of select countries in the Indo-Pacific." This project aimed to leverage the expertise and capabilities of the NMIC to collect, synthesize, and interpret geospatial data to inform on the extractive...
Authors
Elizabeth R. Neustaedter, Erica R. Wolfe
U.S. Geological Survey Tunison Laboratory of Aquatic Science research to rehabilitate native prey fish of the Lake Ontario fish community—Coregonine fishes U.S. Geological Survey Tunison Laboratory of Aquatic Science research to rehabilitate native prey fish of the Lake Ontario fish community—Coregonine fishes
Restoration of native coregonines to Lake Ontario of the Laurentian Great Lakes will improve the diversity of forage for salmonid predators and ecological function in the lake, but efficacy of experimental releases for native species restoration must be evaluated. The Coregonine Research Program at the U.S. Geological Survey Tunison Laboratory of Aquatic Science encompassed a diverse...
Authors
James E. McKenna, James H. Johnson, Steven Lapan, Marc Chalupnicki, Gregg Mackey, Mike Millard, Kevin Loftus, Michael Connerton, Christopher Legard, Brian Weidel, Dimitry Gorsky
Quantifying potential effects of China’s gallium and germanium export restrictions on the U.S. economy Quantifying potential effects of China’s gallium and germanium export restrictions on the U.S. economy
China’s export controls on gallium and germanium exemplify concerns regarding the reliability of supplies of mineral commodities that are essential to economic development, national security, and transition to renewable energy. This report presents a new model that quantifies the potential effects of mineral commodity supply disruptions on the U.S. economy. After calculating...
Authors
Nedal T. Nassar, Ensieh Shojaeddini, Elisa Alonso, Brian Jaskula, Amy Tolcin