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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.

Filter Total Items: 175547

Unravelling a 2300 year long sedimentary record of megathrust and intraslab earthquakes in proglacial Skilak Lake, south-central Alaska Unravelling a 2300 year long sedimentary record of megathrust and intraslab earthquakes in proglacial Skilak Lake, south-central Alaska

Seismic hazards in subduction settings typically arise from megathrust, intraslab and crustal earthquake sources. Despite the frequent occurrence of intraslab earthquakes in subduction zones and their potential threat to communities, their long-term recurrence behaviour is barely studied. Sedimentary sequences in lakes may register ground shaking from different seismic sources. This...
Authors
Nore Praet, Maarten Van Daele, Jasper Moernaut, Thomas Mestdagh, Thomas Vandorpe, Britta J.L. Jensen, Robert C. Witter, Peter J. Haeussler, Marc De Batist

Detrital zircon provenance of the Cretaceous-Neogene East Coast Basin reveals changing tectonic conditions and drainage reorganization along the Pacific margin of Zealandia Detrital zircon provenance of the Cretaceous-Neogene East Coast Basin reveals changing tectonic conditions and drainage reorganization along the Pacific margin of Zealandia

The Upper Cretaceous–Pliocene strata of New Zealand record ~100 m.y. of Zealandia’s evolution, including development of the Hikurangi convergent margin and Alpine transform plate boundary. A comprehensive, new detrital zircon U-Pb data set (8315 analyses from 61 samples) was generated along a ~700 km transect of the East Coast Basin of New Zealand. Age distributions were analyzed and...
Authors
Jared T. Gooley, Nora Maria Nieminski

Hypotheses and lessons from a native moth outbreak in a low-diversity, tropical rainforest Hypotheses and lessons from a native moth outbreak in a low-diversity, tropical rainforest

Outbreaks of defoliating insects in low-diversity tropical forests occur infrequently but provide valuable insights about outbreak ecology in temperate environments and in general. We investigated an extensive outbreak of the endemic koa moth (Scotorythra paludicola), which defoliated endemic koa trees (Acacia koa) over a third of their range on Hawai‘i Island during 2013 and 2014. At...
Authors
Paul C. Banko, Robert W. Peck, Stephanie G. Yelenik, Eben H. Paxton, Frank Bonaccorso, Kristina Montoya-Aiona, R. Flint Hughes, Steven S. Perakis

DSWEmod - The production of high-frequency surface water map composites from daily MODIS images DSWEmod - The production of high-frequency surface water map composites from daily MODIS images

Optical satellite imagery is commonly used for monitoring surface water dynamics, but clouds and cloud shadows present challenges in assembling complete water time series. To test whether the daily revisit rate of Moderate Resolution Imaging Spectroradiometer (MODIS) satellite imagery can reduce cloud obstruction and improve high-frequency surface water mapping, we compared map results...
Authors
Christopher E. Soulard, Eric Waller, Jessica J. Walker, Roy E. Petrakis, Britt Windsor Smith

Multi-species, multi-country analysis reveals North Americans are willing to pay for transborder migratory species conservation Multi-species, multi-country analysis reveals North Americans are willing to pay for transborder migratory species conservation

Migratory species often provide ecosystem service benefits to people in one country while receiving habitat support in other countries. The multinational cooperation that could help ensure continued provisioning of these benefits by migration may be informed by understanding the economic values people in different countries place on the benefits they derive from migratory wildlife.We...
Authors
Wayne E. Thogmartin, Michelle A. Haefele, James E. Diffendorfer, Darius J. Semmens, Jonathan J. Derbridge, Aaron M. Lien, Ta-Ken Huang, Laura Lopez-Hoffman

Increased juvenile native fish abundance following a major flood in an Arizona river Increased juvenile native fish abundance following a major flood in an Arizona river

Spring floods trigger spawning in many native fishes of the desert Southwest (USA), but less is known about fish community response when native fishes are rare. Here, we document change to native and nonnative fish captures and instream habitat features following a decade-high flooding event (2019) in the Verde River (AZ) where native fish captures were rare in the years pre-flood. Using
Authors
Christopher J. Jenney, Zach C. Nemec, Larissa N. Lee, Scott A. Bonar

Occurrence and sources of lead in private wells, Sturbridge, Massachusetts Occurrence and sources of lead in private wells, Sturbridge, Massachusetts

Lead (Pb) occurrence and sources and aqueous geochemistry were assessed in private wellhead and tap water at a targeted area of concern for possible exceedances and at a control area in the same geologic formation, and in wells at a nearby landfill in south-central Massachusetts (MA). Total Pb concentrations were below the U.S. Environmental Protection Agency (USEPA) Action Level of 15...
Authors
Leah M. Santangelo, Craig J. Brown, James B. Shanley, Michael J. Pribil, Danny Rutherford

Near-surface geophysics perspectives on Integrated, Coordinated, Open, Networked (ICON) Science Near-surface geophysics perspectives on Integrated, Coordinated, Open, Networked (ICON) Science

Pointing to the Integrated, Coordinated, Open, Networked Findability, Accessibility, Interoperability, and Reusability (ICON-FAIR) principles, we have determined several opportunities for implementation within the realm of near-surface geophysics (NSG), representing a broad range of data acquisition and processing technologies. Our work explores the multifaceted community-driven nature...
Authors
M. Salman, L. Slater, Martin A. Briggs, L. Li

You can go your own way: No evidence for social behavior based on kinship or familiarity in captive juvenile box turtles You can go your own way: No evidence for social behavior based on kinship or familiarity in captive juvenile box turtles

Behavioral interactions between conspecific animals can be influenced by relatedness and familiarity. Compared to other vertebrate taxa, considering such aspects of social behavior when housing captive reptiles has received less attention, despite the implications this could have for informing husbandry practices, enhancing welfare, and influencing outcomes of conservation translocations...
Authors
Sasha J. Tetzlaff, Jinelle H. Sperry, Brett Alexander DeGregorio

Climate change and fishes in estuaries Climate change and fishes in estuaries

This chapter provides an overview of the main drivers of change in estuarine systems, their expected causes and impacts on estuarine fish and fisheries. An analysis of global, regional and local patterns of estuarine fish and how climate-induced change may impact estuarine systems and their fish communities is provided. We also examine the main environmental, climatic and biological...
Authors
Bronwyn M Gillanders, Matthew N. McMillan, P. Reis-Santos, Lee J. Baumgartner, Larry R. Brown, John Conallin, Frederick V. Feyrer, Sofia Henriques, Nicola C. James, Andres J Jaureguizar, Andre L. M. Pessanha, Rita P. Vasconcelos, An V. Vu, Benjamin Walther, Arif Wibowo

South Carolina and Landsat South Carolina and Landsat

South Carolina, the eighth State admitted to the union, transcends its size with its deep, rich history; striking beauty; vast natural resources; and extensive cultural diversity. Home to part of the Blue Ridge Mountains of the Central Appalachians, the Upstate is graced with more than 100 waterfalls, while the Lowcountry borders the Atlantic Ocean with 187 miles of coastline and 35...
Authors

Peak-flow and low-flow magnitude estimates at defined frequencies and durations for nontidal streams in Delaware Peak-flow and low-flow magnitude estimates at defined frequencies and durations for nontidal streams in Delaware

Reliable estimates of the magnitude of peak flows in streams are required for the economical and safe design of transportation and water conveyance structures. In addition, reliable estimates of the magnitude of low flows at defined frequencies and durations are needed for meeting regulatory requirements, quantifying base flows in streams and rivers, and evaluating time of travel and...
Authors
John C. Hammond, Edward J. Doheny, Jonathan J.A. Dillow, Mark R. Nardi, Peter A. Steeves, Daniel L. Warner
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