Seasonal estimates of nutrient loading, sources, and impacts on water availability in streams across the conterminous United States, 2000–2020
Olivia L. Miller, Noah M. Schmadel, Scott Ator, Matthew P. Miller, Dale M. Robertson, David A. Saad, Gregory E. Schwarz, Andrew J. Sekellick, Kenneth D. Skinner
2026, Water Resources Research (62)
Excess riverine nutrients can limit water availability for humans and ecosystems. Nutrient monitoring on individual stream reaches provides important information about current and past conditions, yet most river reaches are unmonitored. Additionally, monitored data integrate effects of upstream sources, sinks, and pathways by which nutrients get into streams, making explicit...
A sea ice entrapment event in the southern Chukchi Sea: Analysis and prediction
G. W.K. Moore, Michael A. Steele, Jinlun Zhang, Axel J. Schweiger, Thomas J. Ballinger, Irina Trukhanova, Michael Lawson, William S. Beatty, Scott Hameister
2026, Geophysical Research Letters (53)
Amplified Arctic warming is reducing sea ice cover, which is driving an increase in geopolitical interest in the region as it offers the possibility of reducing shipping times between Asia, Europe, and eastern North America, at the risk of increased ice hazards. Here, we examine the case of the Norseman...
Loss and transformation of coastal wetlands due to global change in the conterminous United States: Past, present, and future
Michael Osland, Bogdan Chivoiu, Kevin J. Buffington, Kristin Byrd, Joel Carr, Judith Z. Drexler, Nicholas Enwright, Neil K. Ganju, James B. Grace, Eric E. Grossman, Glenn Guntenspergen, Kurt P. Kowalski, Ken W. Krauss, Jessica R. Lacy, Gregory E. Noe, Davina L. Passeri, Stephanie Romanach, Christopher F. Smith, Camille Stagg, Karen M. Thorne, Janet R. Keough
2026, Wetlands (46)
Coastal wetlands are being transformed by global change, impacting the ecological and societal benefits provided by these ecosystems. Synthesizing knowledge of historical and expected future transformations in coastal wetlands can help inform forward-looking planning and stewardship efforts. Here, we review anticipated future ecological transformations in coastal wetlands of the conterminous...
Improved estimates of relative occurrence and abundance using opportunistic surveys and presence-only observations: A zero-inflated integrated species distribution model
Jennifer Mullinax, Matthew Brandon Gonnerman, Jeffery D. Sullivan, Cody M. Kent, Diann Prosser
2026, Ecological Modeling (521)
Modeling tools for estimating and forecasting shifts in species distributions are becoming increasingly valuable for conservation planning and response. This is especially true for wild bird populations, which have been declining across habitats and regions. Species distribution models (SDM) represent a diverse set of tools with options for addressing various...
Geochemistry of the 2022 Mauna Loa eruption: A comparison with earlier historical summit reservoir eruptions, with implications for magma supply and recharge
J. Michael Rhodes, Frank A. Trusdell, Kendra J. Lynn, Drew T. Downs, Michael Vollinger
2026, Bulletin of Volcanology (88)
On November 28th, 2022, following a record historical repose period of 38 years, Mauna Loa erupted about 145 × 106 m3 of lava and tephra over a 15-day period. The eruption was confined to the summit caldera region and the upper Northeast Rift Zone and is remarkably homogeneous in composition in both time and space....
Assessment of undiscovered conventional oil and gas resources in the Buda Limestone of Texas, 2025
Celeste D. Lohr, Colin A. Doolan, Matthew D. Merrill, William H. Craddock, Rand Gardner, Christopher P. Anderson, Phuong A. Le, Tracey J. Mercier, Christopher J. Schenk
2026, Fact Sheet 2026-3015
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional resources of 12 million barrels of oil and 184 billion cubic feet of gas in the Buda Limestone of Texas....
Cascadia Subduction Zone science: Call for the next generation community seismic velocity model
Valerie J. Sahakian, Asif Ashraf, Charity Mann, Pieter-Ewald Share-MacParland, Rasheed Ajala, Jonathan Delph, Bin He, Emilie Hooft, Alex R. Grant, William J. Stephenson, Erin A. Wirth, Amanda Thomas, Diego Melgar, Jill Elizabeth
2026, Seismological Research Letters
The Cascadia subduction zone (CSZ) hosts major seismic and tsunami hazards, yet key questions persist about the relationship between margin structure, fluid distribution, episodic tremor and slip, shallow megathrust behavior, shaking and tsunamigenesis, and the resulting hazard estimates. Addressing these problems requires an empirically grounded, three‐dimensional seismic velocity model to...
Mid-Cretaceous porphyritic magmatism in the Beartooth Mountains of the northern Laramide foreland and its connection to Frontier Formation sediment dispersal in Bighorn basin, Montana-Wyoming (USA), and Cordilleran tectonism
Jacob O. Thacker, Nicholas A. Brailer, Gary S. Michelfelder, Barry Shaulis, Rebecca A. VanderLeest, Snir Attia, Eddy Cunningham
2026, GSA Bullletin
Porphyritic intrusions in the southeast Beartooth Mountains and porphyritic cobbles from the Torchlight conglomerate of the Cenomanian Frontier Formation in Bighorn basin (Montana-Wyoming, USA) bear striking resemblance. We utilize geologic mapping, petrography, geochemistry, and geochronology to characterize rocks from both locations and test whether the Beartooth Mountains area was the...
Thermal infrared and ultraviolet remote sensing of sulfur dioxide gas emitted during the 2018 lower East Rift Zone eruption of Kilauea, Hawaiʻi
Andrea Gabrieli, Christoph Kern, Allan Lerner, Vincent J. Realmuto, Simon Carn, Patricia A. Nadeau, Robert Wright, John N. Porter
2026, Bulletin of Volcanology (88)
Ultraviolet (UV) remote sensing is widely used to detect volcanic sulfur dioxide (SO₂) due to its high sensitivity and favorable spatial and temporal resolution. However, significant discrepancies have been reported between ground-based and satellite-based UV observations of dense volcanic plumes. A notable example is the 2018 lower...
Colored shaded-relief bathymetric and acoustic-backscatter maps of Jenkinson Lake with orthomosaic of the Sly Park Creek and Hazel Creek area, California
Peter Dartnell, Joshua B. Logan, Amy E. East, Gerry A. Hatcher, Jackson E. Currie, Rachel K. Marcuson, Daniel C. Powers, Peter Dal Ferro, Jennifer A. McKee
2026, Scientific Investigations Map 3548
The Caldor Fire was ignited on August 14, 2021, and burned almost 222,000 acres (898 square kilometers) in forested terrain of the central and western Sierra Nevada, California. During the subsequent two months, the fire burned nearly all of Sly Park Creek watershed in El Dorado County. The El Dorado...
Flood-inundation maps of the Blue River and major tributaries in and near Kansas City, Missouri, 2023–25
David C. Heimann, Charles V. Cigrand, Jason L. High, Robert P. Kostynick, Allison A. Atkinson, Paul H. Rydlund Jr.
2026, Scientific Investigations Report 2026-5033
Digital flood-inundation maps for 35.5 miles of the Blue River, in and near Kansas City, Missouri, were created by the U.S. Geological Survey (USGS) in cooperation with the City of Kansas City. Maps were also developed for a combined 7.3 miles of Brush Creek (4.4 miles) and Indian Creek (2.9...
Perceptions of parcel-level wildfire risk differ between homeowners and trained assessors in wildland-urban interface communities across the western United States
Kelly Wallace, Grant Webster, Hannah Brenkert-Smith, Patricia A. Champ, Colleen Donovan, Carolyn Wagner, Christopher M. Barth, Josh Kuehn, Suzanne Wittenbrink, James R. Meldrum
2026, Risk Analysis (46)
Wildfire risk mitigation on private property is central to reducing community wildfire vulnerability. Homeowners have control over many of the key factors that contribute to wildfire risk on their parcels, yet vulnerable conditions persist. One potential explanation is a misalignment between homeowners' and trained assessors' perceptions of parcel-level wildfire risk....
What a difference a day makes: When and where are daily satellite observations of morphology and deformation needed during volcanic eruptions and unrest?
Matthew E. Pritchard, Michael Poland, Marco Bagnardi, Susanna K. Ebmeier, Juliet Biggs, Edna W. Dualeh, Federico Galetto, Raphael Grandin, Arthur Hauck, Christelle Wauthier
2026, Bulletin of Volcanology (88)
Daily high-spatial-resolution satellite imagery at active volcanoes could be used to anticipate eruptions and save lives, but is only rarely available or used in real time. Specifically, daily repeat coverage of ground deformation, topography, and surface morphology at volcanoes is now possible using high-spatial resolution optical and radar imagery (< 10 m/pixel)....
The path to FAIR research models: Lessons learned
Albert Kettner, Leslie Hsu, Brandon Serna
2026, Geoscientific Model Development (19) 5381-5399
Numerical modeling of Earth surface processes emerged as an important scientific tool in the late 1960s to mid-1970s, driven by the development of finite element methods in computer science. These advancements, initially applied in civil engineering, enabled scientists to simulate complex geological phenomena. At that time, models were often...
Steps toward a satellite-based global volcano monitoring and early warning system: From pilot to demonstrator to GVEWERS
Michael Poland, Juliet Biggs, M. E. Pritchard, Marco Bagnardi, Susanna K. Ebmeier, Christelle Wauthier, Andrew Eddy, Antonio Montuori, Simona Zoffoli
2026, Bulletin of Volcanology (88)
The consequences of volcanic eruptions span a broad range. Large explosive eruptions that recur every several hundred to thousands of years can impact global climate, but even small eruptions of a magnitude that takes place multiple times each year someplace on Earth can have devastating effects given the large number...
A ground-motion model derived using a generalized mean rupture distance for large slab interface earthquakes
Jessica R. Murray, Grace Alexandra Parker
2026, Seismological Research Letters
Source–station distance is a central input to ground‐motion models (GMMs) for predicting seismic shaking. GMM development uses distance metrics including the Joyner–Boore distance, which is the shortest distance from an observation point to the surface projection of the earthquake rupture, and Rrup the shortest distance to the rupture in three dimensions. <a...
The US XPD-24–200—An isokinetic suspended-sediment and water-quality collapsible-bag sampler with point- or depth-integrating sampling capabilities
Joel T. Groten, Claire E. Rose, Wayne O'Neal, Lane B. Simmons, Timothy D. Straub, Paul Diaz, Jr.
2026, Open-File Report 2026-1022
Accurate collection of fluvial suspended‑sediment and water‑quality samples is essential for understanding transport processes, evaluating river health, quantifying loads, and supporting regulatory and management decisions. Since 1939, the Federal Interagency Sedimentation Project (FISP) has led the development and standardization of sediment‑sampling equipment and methods across Federal agencies. Although substantial advancements...
Bridging remote sensing advances and management needs for small Prairie Pothole waterbodies using a multiscale accuracy assessment
Audrey Claire Lothspeich, Owen P. McKenna, Melanie K. Vanderhoof
2026, International Journal of Remote Sensing
Remote sensing of surface water provides a powerful tool to inform the management of waterfowl habitat, but there is little information available to directly assess the relative accuracy of different remote sensing datasets. Our objective was to understand how the characteristics of remotely sensed inundation datasets inform dataset accuracy, the...
A practical framework for identifying genetic subpopulations and ESUs: Insights for IUCN assessments and broader management
Julia C. Geue, Laura D. Bertola, Paulette Bloomer, Anna Bruniche-Olsen, Jessica M. da Silva, J. Andrew DeWoody, Ancuta Fedorca, José A. Godoy, Catherine E. Grueber, Margaret Hunter, Christina Hvilsom, Evelyn L. Jensen, Alexander Kopatz, Anna J. MacDonald, Silvia Pérez-Espona, Antoinette J. Piaggio, Jennifer Pierson, Isa-Rita M. Russo, Helen Senn, Gernot Segelbacher, Paul Sunnucks, Cock van Oosterhout, Deborah M. Leigh
2026, BioScience
Species conservation assessments evaluate extinction risk, and recovery potential, advancing species persistence through guiding resource prioritization and planning. Assessment frameworks, including the International Union for Conservation of Nature Red List and Green Status of Species, typically focus on species as a whole. Importantly, they do not routinely account for genetically...
Abundance, trends, and challenges facing mountain goats throughout their North American distribution
Richard B. Harris, Steve Bethune, Mark Biel, Roy T. Churchwell, Julie Cunningham, Rob Found, Tabitha A. Graves, Anne Hubbs, Tyler Jessen, Bill Jex, Joshua Kirk, Meghan Larivee, Chadwick P. Lehman, Brian MacBeth, Hollie Miyasaki, Tony W. Mong, William Moore, Susan Oehlers, Todd Rinaldi, Kristin M. Rine, Rusty Robinson, Zachary L. Robinson, Jennifer Sevigny, Michael Sevigny, Kyle Smith, David Vales, Kevin White, Don Whittaker, Carmen Wong, Travis Wyman
2026, Wildlife Society Bulletin
Recent declines among some mountain goat (Oreamnos americanus) populations have heightened concern about their current status and ability to cope with future challenges. We conducted a range-wide assessment of the status of mountain goats across their distribution to understand the extent and patterns of change in recent years. We queried...
Evaluating groundwater quality influences from oil field operations and other anthropogenic activities in an urban setting, Santa Fe Springs, California
Michael Wright, Tracy A. Davis, Matthew K. Landon, Michael Land, David H. Shimabukuro, Theron A. Sowers, Megan E Schmer, Riley Gannon, Justin T. Kulongoski, Andrew G. Hunt, Elise Watson
2026, Science of the Total Environment (1045)
Groundwater quality is often affected by anthropogenic activities in urban settings. This study examines groundwater quality in and around the Santa Fe Springs Oil Field in Los Angeles County, California, where oil and gas production commonly intersects with high density industrial, commercial and residential land uses. Utilizing a combination of...
Comparison of data handling techniques for modeling bat acoustic activity
Zachary W. Isenhour, Elizabeth Ann Hunter, Jesse L. De La Cruz, W. Mark Ford
2026, Wildlife Society Bulletin (50)
With the proliferation of acoustic sampling to investigate bat distribution and ecology, researchers have implemented a myriad of statistical modeling approaches to interpret findings. Bats are taxa of high conservation concern; therefore, ensuring the accuracy of species-level habitat association models is critical for informing management. We sought to determine prediction...
Landscape change and age ratios for mule deer (Odocoileus hemionus) herd units in Wyoming,1980-2019
Teagan A. Hayes, Aaron N. Johnston, L. Embere Hall, Jill Randall, Matthew J. Kauffman, Christopher Keefe, Kevin Monteith, Tabitha A. Graves
2026, Report
No abstract available....
Dietary composition and diversity in an endemic island bat, the Hawaiian hoary bat (Lasiurus semotus)
Corinna Pinzari, P. Marcos Gorresen, Robert W. Peck, Karen Courtot
2026, Acta Chiroptera (28) 1-20
Due to the importance of sufficient diets, conservation practices for endangered bats often involve protection and restoration of foraging resources. For insectivorous (or arthropodivorous) bats, detailed knowledge of prey consumption can inform effective management. In this study, we used metabarcoding techniques to investigate the diet of Lasiurus semotus, a primarily insectivorous,...
Exploratory ecology of reintroduced elk in Virginia
Braiden A Quinlan, Heather N Abernathy, David M Kalb, Jacalyn P Rosenberger, Emily D Thorne, W. Mark Ford, Michael J Cherry
2026, Animals (16)
Reintroductions of extirpated species are an important tool in wildlife conservation. Understanding how reintroduced populations acclimatize to novel environments can lend insight into social learning that in turn is valuable for assessing reintroduction success and maximizing efficacy of subsequent efforts. During 2012, 2013, and 2014, the Virginia Department of Wildlife...
