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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

We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

Explore Mission Areas
Filter Total Items: 175538

Gas emissions from the Sulphur Bank Mercury Mine hydrothermal system, Clear Lake volcanic field, California Gas emissions from the Sulphur Bank Mercury Mine hydrothermal system, Clear Lake volcanic field, California

The Sulphur Bank Mercury Mine (SBMM) hydrothermal system offers insights into active degassing processes in the Clear Lake volcanic field (CLVF), a high-threat region based on its record of Holocene eruptions and proximity to populated areas. Here we present chemical and isotopic analyses of gas samples collected between 2015 and 2023, along with the first comprehensive CO2 flux survey...
Authors
Jennifer L. Lewicki, Sara Peek, Laura E. Clor, Andrew G. Hunt
By
Volcano Hazards Program, Volcano Science Center

Future forest conditions under alternative management and hydrological scenarios in the Upper Mississippi River floodplain Future forest conditions under alternative management and hydrological scenarios in the Upper Mississippi River floodplain

Context Floodplain forests are being transformed by multiple pressures, prompting widespread management and restoration efforts. It is uncertain how disturbances, including hydrologic change, and management actions will interact to influence the ecology of these threatened forests.Objectives This study examined the effects of alternative management and hydrologic regimes on forest...
Authors
Matthew L. Trumper, Nathan R. De Jager, Molly Van Appledorn, Andrew R. Meier
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

Examining the compositional selectivity of hydrocarbon oxidation products using liquid–liquid extraction and solid-phase extraction techniques Examining the compositional selectivity of hydrocarbon oxidation products using liquid–liquid extraction and solid-phase extraction techniques

The effect of extraction methods on detecting hydrocarbon oxidation products (HOPs) in groundwater remains unclear. HOPs are polar, water-soluble byproducts of petroleum biodegradation. Our previous work showed that liquid–liquid extraction (LLE), a method commonly used in regulatory monitoring, has a significantly lower extraction efficiency for HOPs compared to solid-phase extraction...
Authors
Phoebe Zito, Rana Ghannam, Maxwell L. Harsha, Barbara Bekins, David C. Podgorski
By
Water Resources Mission Area

Quantifying groundwater response and uncertainty in beaver-influenced mountainous floodplains using machine learning-based model calibration Quantifying groundwater response and uncertainty in beaver-influenced mountainous floodplains using machine learning-based model calibration

Beavers (Castor canadensis) alter river corridor hydrology by creating ponds and inundating floodplains, and thereby improving surface water storage. However, the impact of inundation on groundwater, particularly in mountainous alluvial floodplains with permeable gravel/cobble layers overlain by a soil layer, remains uncertain. Numerical modeling across various floodplain structures...
Authors
Lijing Wang, Tristan Babey, Zach Perzan, Samuel Pierce, Martin A. Briggs, Kristin Boye, Kate Maher
By
Water Resources Mission Area

Quantifying the relative importance of survival threats to a long-lived reptile using expert elicitation Quantifying the relative importance of survival threats to a long-lived reptile using expert elicitation

Long-term survival of a conservation-reliant species requires understanding the impact of threats on population growth rate and the management actions that can help mitigate these threats. We used a threat assessment with expert-elicited estimates to determine the relative effect of each stage-specific threat on the population growth rate of the wood turtle Glyptemys insculpta. In...
Authors
Jennifer F. Moore, J. Hardin Waddle, Fred Johnson, Julien Martin, Evan H. Campbell Grant, Jillian E. Fleming, Thomas S. Akre, Donald J. Brown, Yu Man Lee, Jonathon Drescher-Lehman, John Kleopfer, Jessica R. Meck, Kevin J. Oxenrider, Jeff Tamplin, Anthony Tur, Lisabeth L. Willey
By
Ecosystems Mission Area, Wetland and Aquatic Research Center

Identifying organic contaminants at trespass cannabis grows on federal land in California, USA Identifying organic contaminants at trespass cannabis grows on federal land in California, USA

Despite the legalization of recreational cannabis in California, USA, illegal cannabis cultivation remains pervasive, partly through the establishment of illegal cultivation on public lands (trespass grows). These operations often illegally divert water for irrigation and perform unauthorized applications of chemical fertilizers and pesticides. This work investigates a broad suite of...
Authors
Gabrielle Pecora Black, Matt De Parsia, Matthew Uychutin, Mourad W. Gabriel, Ivan Medel, Greta Wengert, Clayton D. Raines, Dana W. Kolpin, Laura E. Hubbard, Michelle L. Hladik
By
California Water Science Center
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