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Reports

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.

Filter Total Items: 84597

Grammar to graph—An approach for semantic transformation of annotations to triples Grammar to graph—An approach for semantic transformation of annotations to triples

Data annotation is the process of labeling data to show the outcome that a related data model should predict. In this study, annotation data were transformed into semantic graph triples, mainly for use with the Resource Description Framework (RDF), a type of entity-relationship-attribute data model for graph databases. The transformation of annotation data to semantic graph triples...
Authors
Dalia E. Varanka, Emily Abbott

ECCOE Landsat quarterly calibration and validation report—Quarter 1, 2025 ECCOE Landsat quarterly calibration and validation report—Quarter 1, 2025

Executive Summary The U.S. Geological Survey Earth Resources Observation and Science Calibration and Validation (Cal/Val) Center of Excellence (ECCOE) focuses on improving the accuracy, precision, calibration, and product quality of remote-sensing data, leveraging years of multiscale optical system geometric and radiometric calibration and characterization experience. The ECCOE Landsat...
Authors
Md Obaidul Haque, Nahid Hasan, Ashish Shrestha, Rajagopalan Rengarajan, Mark Lubke, Daniel Steinwand, Paul Bresnahan, Jerad L. Shaw, Kathryn Ruslander, Esad Micijevic, Michael J. Choate, Cody Anderson, Jeff Clauson, Kurt Thome, Ed Kaita, Amit Angal, Raviv Levy, Jeff Miller, Leibo Ding, Cibele Teixeira Pinto

Assessing diet and genotyping success of goat pellet surveys from 2019 in Glacier National Park Assessing diet and genotyping success of goat pellet surveys from 2019 in Glacier National Park

Fecal pellets contain genetic information and can be used to identify individuals, their diet, and more. Individual identification can be useful in understanding movements of individuals, developing population estimates, assessing vital rates, genetic diversity and structure, and evaluating trends over time (e.g., Epps et al 2024). Successful genotyping depends on the quality of the...
Authors
Salix Scoresby, Lindsay M Dose, Jami Belt, Tabitha A. Graves

Living with wildfire in Estes Valley Fire Protection District, Larimer County, Colorado: 2023 Data report Living with wildfire in Estes Valley Fire Protection District, Larimer County, Colorado: 2023 Data report

Homeowner wildfire risk mitigation and preparedness are critical components of community wildfire readiness. This report describes the data collected through two efforts conducted in the Estes Valley Fire Protection District of Larimer County, Colorado, study area: (1) parcel-level rapid wildfire risk assessments performed by trained assessors and (2) homeowner surveys in which...
Authors
Colleen Donovan, Patricia A. Champ, Suzanne Wittenbrink, Wilynn Formeller, Christine Taniguchi, Jon Landkamer, Hannah Brenkert-Smith, James Meldrum, Christopher M. Barth, Carolyn Wagner

Estimated average annualized tsunami losses for the United States Estimated average annualized tsunami losses for the United States

Tsunami hazards are substantial threats to coastal communities across the United States (U.S.) and its territories. U.S. states and territories collaborate through the National Tsunami Hazard Mitigation Program (NTHMP) to develop their own tsunami-hazard information for outreach and evacuation planning. An effort to curate this tsunami-hazard information to support comprehensive risk...
Authors
Anne Sheehan, Casey Zuzak, Nathan J. Wood, Doug Bausch, Cadie Goulette Yeager, Alice McDougall

Fluvial sediment dynamics in the Shoshone River and tributaries around Willwood Dam, Park County, Wyoming Fluvial sediment dynamics in the Shoshone River and tributaries around Willwood Dam, Park County, Wyoming

Sedimentation affects many of the aging reservoirs in the United States. Dams and water diversions from rivers have been central elements of infrastructure supporting agricultural irrigation in the arid and semiarid regions of the Western United States for more than a century. The Willwood Irrigation District diversion dam (hereafter referred to as “Willwood Dam”) in Park County, Wyoming...
Authors
Jason S. Alexander, Haylie Brown, Cheryl A. Eddy-Miller, Jason Burckhardt, Laura Burckhardt, Christopher A. Ellison, Carmen McIntyre, Travis Moger, Lindsay Patterson, Chace Tavelli, David Waterstreet, Mahonri Williams

U.S. Geological Survey monitoring milestones—Chagrin River at Willoughby, OH (04209000) U.S. Geological Survey monitoring milestones—Chagrin River at Willoughby, OH (04209000)

The Chagrin River at Willoughby, OH (04209000), streamgage is the 1,000th U.S. Geological Survey (USGS) streamgage to reach Centennial status. Centennial Streamgages are USGS streamgages that have been in operation for 100 years or more. Collecting water data since 1925, it celebrated its 100th birthday on August 1, 2025.
Authors
Claire Bunch

A synthesis engine for constructing geologic maps of the United States A synthesis engine for constructing geologic maps of the United States

The geologic history of the United States is cataloged in thousands of geologic maps produced during many decades. However, the disparate nature of these individual maps makes it challenging to assess resources, research geologic histories, or characterize natural hazards holistically across the Nation. The U.S. House of Representatives 2020 appropriations bill for the U.S. Department of...
Authors
Samuel Johnstone, Joseph P. Colgan, Warren P. Roe

Streamflow extents and hydraulic characteristics of Meadow Valley Wash at Stuart Ranch, near Rox, Nevada Streamflow extents and hydraulic characteristics of Meadow Valley Wash at Stuart Ranch, near Rox, Nevada

The former Stuart Ranch, now managed by the Bureau of Land Management, is transected by Meadow Valley Wash, where 4,600 feet of perennial stream and adjacent riparian vegetation provide critical habitat for several wildlife and aquatic species protected under the Endangered Species Act. The stream has been altered by prior construction of irrigation diversions, gravel mining, and removal...
Authors
Laura A. Dye, Christopher M. Morris, Hampton K. Childres

A crosswalk of the 2015 World Terrestrial Ecosystems to the International Union for the Conservation of Nature Global Ecosystem Typology Framework A crosswalk of the 2015 World Terrestrial Ecosystems to the International Union for the Conservation of Nature Global Ecosystem Typology Framework

To support ecosystem mapping and accounting applications, we aligned the 2015 U.S. Geological Survey/Esri/The Nature Conservancy-World Terrestrial Ecosystems (WTEs) with the International Union for Conservation of Nature Global Ecosystem Typology (GET) framework. This process, known as “crosswalking,” enabled the development of a global map of GET level 3 Ecosystem Functional Groups...
Authors
Kelly B. Sides, Nadia Naji, Amber Kremer, Devon Burton, Roger Sayre

Perceptions and management of chronic wasting disease in Washington State: A survey of cervid hunters Perceptions and management of chronic wasting disease in Washington State: A survey of cervid hunters

Chronic wasting disease (CWD) is a fatal neurological disease caused by a misfolded protein, or prion, and is found in cervids (e.g., deer, elk, moose). It represents a serious threat to cervid populations and is one of the most important ungulate management issues facing state wildlife management agencies. Issues associated with CWD can affect many groups including hunters, tribal...
Authors
Megan Callahan, Melia DeVivo, Brian Kertson, Hunter Westacott, Michael C Mcinturff

Methodology and technical input for the 2025 U.S. List of Critical Minerals—Assessing the potential effects of mineral commodity supply chain disruptions on the U.S. economy Methodology and technical input for the 2025 U.S. List of Critical Minerals—Assessing the potential effects of mineral commodity supply chain disruptions on the U.S. economy

The Secretary of the Interior, acting through the Director of the U.S. Geological Survey, is tasked by section 7002 (“Mineral Security”) of title VII (“Critical Minerals”) of the Energy Act of 2020 (Public Law 116–260, December 27, 2020, 116th Congress) with reviewing and revising the methodology used to evaluate mineral commodity supply risk and the U.S. List of Critical Minerals (LCM)...
Authors
Nedal T. Nassar, David Pineault, Sydney M. Allen, Dalton M. McCaffrey, Abraham J. Padilla, Jamie L. Brainard, Mani Bayani, Ensieh Shojaeddini, John W. Ryter, Sara Lincoln, Elisa Alonso
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