Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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Mission Area Publications
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Wide-area debris field and seabed characterization of a deep ocean dump site surveyed by autonomous underwater vehicles
Disposal of industrial and hazardous waste in the deep ocean was a pervasive global practice near coastlines in the 20th century. Uncertainty in the quantity, location, and contents of dumped materials at historical disposal sites underscores ongoing risks to marine ecosystems and human health. This study presents analysis of a 150-km2 wide-area sidescan sonar survey conducted in March 2021 with t
Authors
Sophia T. Merrifield, Sean Celona, Ryan A. McCarthy, Andrew Pietruszka, Heidi Batchelor, Robert Hess, Andrew Nager, Raymond Young, Kurt Sadorf, Lisa A. Levin, David L. Valentine, James E. Conrad, Eric J. Terrill
Critical minerals in subduction-related magmatic-hydrothermal systems of the United States
During the World War and Cold War eras (1910s–1990s), domestic consumption of numerous mineral commodities relied increasingly on imported supplies. Consumption reliance has since expanded to include 50 “critical minerals” (elements and mineral commodities) that are mostly to entirely imported and subject to curtailment by suppliers or supply chain disruption. New domestic supplies of critical min
Authors
Peter Vikre, David John, Niki E. Wintzer, Fleetwood Koutz, Frederick Graybeal, Chris Dail, David C. Annis
Long-term demographic analysis of the Cape Sable seaside sparrow (1992–2021)
The Cape Sable seaside sparrow (Ammospiza maritima mirabilis) is an endangered species that has experienced a population decline of more than 60% since 1981. Despite its critical population status, a statistically robust analysis of the species’ demographic rates utilizing all data has yet to be completed (Benscoter et al. 2021). Furthermore, long-term population processes in response to hydrologi
Authors
Marisa Takada Martinez, Laura D'Acunto, Stephanie Romanach
Comparing reintroduction strategies for the endangered San Francisco gartersnake (Thamnophis sirtalis tetrataenia) using demographic models
For endangered species persisting in a few populations, reintroductions to unoccupied habitat are a popular conservation action to increase viability in the long term. Identifying the reintroduction strategy that is most likely to result in viable founder and donor populations is essential to optimally use resources available for conservation. The San Francisco gartersnake (Thamnophis sirtalis tet
Authors
Jonathan P. Rose, Richard Kim, Elliot James Schoenig, Patrick C. Lien, Brian J. Halstead
Geochemical evidence for evolving Proterozoic crustal thickness and orogenic styles in southwestern Laurentia
It has long been challenging for researchers to track the crustal thickness and mode(s) of crustal modification in ancient convergent margins, limiting evaluation of the tectonic styles and processes that modify continental crust during orogenesis. We present trace element igneous geochemical crustal thickness proxies that quantitatively track the crustal thickness evolution of the long-lived Prot
Authors
Ian William Hillenbrand, Karl E. Karlstrom, Michael L. Williams, Amy K. Gilmer, Wayne R. Premo, Peter B Davis
Lessons learned from the 2022 CONVERSE Monogenetic Volcanism Response Scenario exercise
When volcanic unrest occurs, the scientific community can advance fundamental understanding of volcanic systems, but only with coordination before, during, and after the event across academic and governmental agencies. To develop a coordinated response plan, the Community Network for Volcanic Eruption Response (CONVERSE) orchestrated a scenario exercise centered around a hypothetical volcanic cris
Authors
Yolanda C Lin, Einat Lev, Ria Mukerji, Tobias P. Fischer, Charles Connor, Wendy K. Stovall, M. Poland, Alexandra M. Iezzi, Christelle Wauthier, Judit Gonzalez-Santana, Heather M. Wright, Samantha Wolf, Tobi Kasali
The sands of time: Predicting sea level rise impacts to barrier island habitats
Coastal beach ecosystems support critical habitat for numerous species and are vulnerable to sea level rise. Sand beaches are spatially and temporally dynamic, making it difficult to accurately predict future habitat loss – estimates that are crucial as species are being assessed for protection. We mapped sand beach habitat on 12 focal barrier islands and low-lying beaches off the Gulf Coast of Fl
Authors
Erin L. Koen, William Barichivich, Susan Walls
Implementation plan of the National Cooperative Geologic Mapping Program strategy—Northeast region of the United States: New York and New England
Complexly deformed igneous, metamorphic, and sedimentary rocks form the bedrock of the Northeast region of the United States. Variably thick unconsolidated sediments deposited by glacial, fluvial, and eolian systems locally cover the bedrock. New geologic mapping focuses on areas lacking modern, detailed studies or syntheses, and contributes to existing framework research. This report addresses pl
Authors
Gregory J. Walsh, Margaret A. Thomas, Robert G. Marvinney, Stephen B. Mabee, Frederick H. Chormann, Andrew Kozlowski, Marjorie H. Gale, Jon Kim, Brian Savage
The long shadow of a major disaster: Modeled dynamic impacts of the hypothetical HayWired earthquake on California’s economy
We develop and apply a dynamic economic simulation model to analyze the multi-regional impacts of, and mechanisms of recovery from, a major disaster, the HayWired scenario — a hypothetical Magnitude 7.0 earthquake affecting California’s San Francisco Bay Area. The model integrates loss pathways: capital stock damage, labor supply shocks due to short-term population displacement and longer-run out-
Authors
Ian Sue Wing, Adam Z Rose, Dan Wei, Anne Wein
Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India
Artificial Neural Networks (ANN) were used to assess methane hydrate occurrence and saturation in marine sediments offshore India. The ANN analysis classifies the gas hydrate occurrence into three types: methane hydrate in pore space, methane hydrate in fractures, or no methane hydrate. Further, predicted saturation characterizes the volume of gas hydrate with respect to the available void volume.
Authors
Leebyn Chong, Timothy Collett, C. Gabriel Creason, Yongkoo Seol, E.M. Myshakin
Reimagining large river management using the Resist–Accept–Direct (RAD) framework in the Upper Mississippi River
BackgroundLarge-river decision-makers are charged with maintaining diverse ecosystem services through unprecedented social-ecological transformations as climate change and other global stressors intensify. The interconnected, dendritic habitats of rivers, which often demarcate jurisdictional boundaries, generate complex management challenges. Here, we explore how the Resist–Accept–Direct (RAD) fra
Authors
Nicole K. Ward, Abigail Lynch, Erik A. Beever, Joshua Booker, Kristen L. Bouska, Holly Susan Embke, John F. Kocik, Joshua Kocik, Mary Grace T. Lemon, David J. Lawrence, Douglas Limpinsel, Madeline Magee, Bryan M. Maitland, Owen P. McKenna, Andrew R. Meier, John M. Morton, Jeffrey Muehlbauer, Robert Newman, Devon C. Oliver, Heidi M. Rantala, Greg G. Sass, Aaron D. Shultz, Laura Thompson, Jennifer L. Wilkening
Effects of vehicle traffic on space use and road crossings of caribou in the Arctic
Assessing the effects of industrial development on wildlife is a key objective of managers and conservation practitioners. However, wildlife responses are often only investigated with respect to the footprint of infrastructure, even though human activity can strongly mediate development impacts. In Arctic Alaska, there is substantial interest in expanding energy development, raising concerns about
Authors
John P. Severson, Heather E. Johnson, Timothy C. Vosburgh