Coastal fine-grained sediment plumes from beach nourishment near Santa Barbara, California
Jonathan A. Warrick, Andrew W. Stevens, Babak Tehranirad
2025, Coastal Engineering Journal (67) 558-582
Terrestrial sediments captured by flood control facilities such as dams, debris basins, and engineered stream channels can reduce sediment fluxes to littoral cells. The beneficial use of these sediments for beach nourishment may induce negative environmental effects from turbidity or sedimentation caused by the source material. Here, we examine the...
Exposure to ultraviolet radiation induces escape hatching of Cisco (Coregonus artedi) embryos
Nicole Lynn Berry, David Bunnell, Erin P. Overholt, Jennifer A. Schumacher, Addison Z. Almeda, Casey W. Schoenebeck, Peter C. Jacobson, Kristopher Dey, Jason B. Smith, Andrew Tucker, Thomas J. Fisher, Elizabeth M. Mette, Bradley N. Carlson, Gretchen J.A. Hansen, Tyler D. Ahrenstorff, Derek L. Bahr, Kevin Keeler, Brian Weidel, Abigail Lynch, Craig E. Williamson
2025, Freshwater Biology (70)
Cisco (Otoonapii in Ojibwe; Coregonus artedi Lesueur, 1818), is a widely distributed stenothermic freshwater fish whose embryos typically incubate under ice and in the dark. We used Cisco as a model organism for testing the potential of UV-induced escape hatching behaviour. Owing to reduced ice cover and increased water transparency in...
Mapping predicted ecological states at landscape scales using remote sensing data and machine learning
Nathan J. Kleist, Christopher T. Domschke, Anna C. Knight, Travis W. Nauman, Michael C. Duniway, Sarah K. Carter
2025, Ecosphere (16)
Dryland ecosystems, covering 45% of the Earth's land and supporting over one-third of the global population, face significant threats from land degradation and ecological state change. Managing these ecosystems is complex, and science-based frameworks like Ecological Site Descriptions and state-and-transition models are essential tools for guiding decisions to support ecological...
Advancing broadscale spatial evapotranspiration modelling by incorporating sun-induced chlorophyll fluorescence measurements
Sicong Gao, Pamela L. Nagler, William Woodgate, Alfredo Huete, Tanya M. Doody
2025, Journal of Hydrology (660)
Evapotranspiration (ET) describes the sum of water transfer from the ground surface through soil evaporation and water loss from leaf stomata into the atmosphere − critical factors linking the global water and carbon cycles. Myriad ET models based on remote sensing data provide spatially continuous estimates of ET; however, leaf...
Bølling-Allerød productivity in the subarctic Pacific driven by seasonal upwelling
Kimberly A. deLong, Terrence Blackburn, Beth Elaine Caissie, Jason A. Addison, Zuzanna Stroynowski, Maria R. Sipala, Franco Marcantonio, Ana Christina Ravelo
2025, Geophysical Research Letters (52)
The Bølling-Allerød deglacial event is marked by high diatom productivity and opal deposition throughout the subarctic Pacific. This opal could either constitute a strengthened biological pump and thus carbon sequestration, or a weakened biological pump and release of marine-sequestered CO2 to the atmosphere. We quantify silicic acid supply at IODP Site...
Prospectivity modeling of the NASA VIPER landing site at Mons Mouton near the Lunar South Pole
Joshua Aaron Coyan, Matthew Siegler, Jose Martinez Comacho, Ross A. Beyer, Mark Shirley
2025, Planetary Science Journal (6)
We use a high-resolution digital elevation model and a numerical thermal model to produce a variety of inputs for a water-ice prospectivity model for the Volatiles Investigating Polar Exploration Rover (VIPER) landing site. These input data are maps of topography, surface slope, surface aspect, surface curvature, maximum temperature, depth to...
U.S. Geological Survey 2024 Rocky Mountain Region Science Exchange—Showcasing cutting-edge science to adapt to extreme weather events and stakeholder needs
William J. Andrews, Timothy N. Titus, Lauren Ellissa Eng, Kristine L. Zellman, Patrick J. Anderson, Jeremy C Havens
2025, Fact Sheet 2025-3008
IntroductionThe Rocky Mountains and the Colorado River Basin in the Western United States are complex, interconnected systems that sustain a large variety of species, including tens of millions of humans. These regions face risks from drought, wildfires, invasive plant and animal species, and habitat reduction. Working with many stakeholders, scientists...
Wet antecedent soil moisture increases atmospheric river streamflow magnitudes non-linearly
Mariana J. Webb, Christine M. Albano, Adrian A. Harpold, Daniel M. Wagner, Anna M. Wilson
2025, Journal of Hydrometeorology (26) 741-758
Atmospheric rivers (ARs) drive most riverine floods on the United States (U.S.) West Coast. However, estimating flood risk based solely on AR intensity and duration is challenging because precipitation phase, antecedent conditions, and physical watershed characteristics (e.g., slope and soil depth) can influence the magnitude of floods. Here, we analyze...
Automated snow cover detection on mountain glaciers usingspaceborne imagery and machine learning
Rainey Aberle, Ellyn Enderlin, Shad O'Neel, Caitlyn Florentine, Louis C. Sass, Adam Dickson, Hans-Peter Marshall, Alejandro Flores
2025, The Cryosphere (19) 1675-1693
Tracking the extent of seasonal snow on glaciers over time is critical for assessing glacier vulnerability and the response of glacierized watersheds to climate change. Existing snow cover products do not reliably distinguish seasonal snow from glacier ice and firn, preventing their use for glacier snow cover detection. Despite previous...
A review of post-wildfire adaptations of surface-water-quality models: Synthesis, gaps, and opportunities
Zachary M. Shephard, Trevor Fuess Partridge, Sheila F. Murphy, Michelle A. Walvoord, Brian A. Ebel
2025, Science of the Total Environment (979)
As wildfires increasingly affect water-supply watersheds, the demand for models to predict water-quality responses is increasing. This work reviews and synthesizes existing post-wildfire applications of water-quality models in the context of geographic and ecohydrological distribution, hydrologic and water-quality response process representation, model parameterization, model and input data scales, model calibration...
Fisheries dependent and independent data inform a capture technique for an emerging invasive fish species in the mainstem Mississippi River; Black Carp Mylopharyngodon piceus
Patrick Kroboth, Michael E. Colvin, Courtney Broaddus
2025, Fisheries Research (285)
Black Carp Mylopharyngodon piceus were imported into the United States in the 1970s and 1980s for use in aquaculture; escape occurred and reported wild captures increased. Lacking species-specific capture methods, we assessed fisheries dependent incidental Black Carp catches for a common method, hoop nets, by kernel density analysis to identify an area...
Spatial stream network modeling of water temperature within the White River Basin, Mount Rainier National Park, Washington
Andrew S. Gendaszek, Anya C. Leach, Kristin L. Jaeger
2025, Scientific Investigations Report 2025-5029
Water temperature is a primary control on the occurrence and distribution of fish and other ectothermic aquatic species. In the Pacific Northwest, cold-water species such as Pacific salmon (Oncorhynchus spp.) and bull trout (Salvelinus confluentus) have specific temperature requirements during different life stages that must be met to ensure the...
Insights from growing Globorotalia truncatulinoides and Globorotalia menardii in the laboratory
Caitlin E. Reynolds, Jennifer S. Fehrenbacher, Kaustubh Thirumalai, Eric J. Tappa, Julie N. Richey
2025, Journal of Foraminiferal Research (55) 131-143
The vast majority of planktic foraminiferal culture studies have been carried out on spinose species of foraminifera, with relatively few studies on non-spinose species. We conducted a pilot study to test whether live specimens of the non-spinose planktic foraminifera, Globorotalia truncatulinoides and Globorotalia menardii, could be successfully harvested from offshore plankton tow samples...
Hydrogeologic framework and considerations for drilling and grouting of closed-loop geothermal bores in the Erie-Ontario Lowlands and Allegheny Plateau of New York State
John Williams, William M. Kappel, Joshua Woda
2025, Open-File Report 2025-1013
The hydrogeologic framework at closed-loop geothermal sites in the Erie-Ontario Lowlands and Allegheny Plateau of central and western New York is the result of the complex interaction of bedrock geology, glacial geology, and groundwater hydrology, and the occurrence of petroleum and gas. Considerations for closed-loop geothermal bore installation include the...
Groundwater budget for the surficial aquifer surrounding Lake Nokomis, Minneapolis, Minnesota
Colin T. Livdahl
2025, Open-File Report 2025-1021
During prolonged periods of above-average precipitation, rising groundwater levels have the potential to cause damage to and interfere with underground infrastructure and building foundations. To understand the relations between precipitation and groundwater in the vicinity of Lake Nokomis, the U.S. Geological Survey, in collaboration with the University of Minnesota, quantified...
Simulated effects of future water availability and protected species habitat in a perennial wetland, Santa Barbara County, California
Geoffrey Cromwell, Daniel Philip Culling, Matthew J. Young, Joshua Larsen
2025, Water (17)
This study evaluates the potential water availability in Barka Slough and the effects of changing hydrological conditions on the aquatic habitat of five protected species. Barka Slough is a historically perennial wetland at the downstream western end of the San Antonio Creek Valley watershed (SACVW). A previously published hydrologic model...
The scientific benefits of a statewide, standardized, coastal wetland monitoring program in Hawaiʻi
Judith Z. Drexler, Helen Raine, Carrie L. Harrington, Kawika B. Winter, Kauaoa Matthew Sam Fraiola, Joy Browning, Jeffrey Burgett, David A. Burney, Kim A. Falinski, Scott Fisher, Kristen C. Harmon, Jessica L. Idle, Monica N. Iglecia, Mari-Vaughn Virginia Johnson, Matthew J. Keir, K. Jackson Letchworth, Kirsten Moy, Anthony Olegario, Melissa R. Price, J. Michael Reed, Yoshimi M. Rii, Rachel A. Rounds, Charles B. van Rees, Brett T. Wolfe
2025, Ecology and Evolution (15)
In this viewpoint, we provide a scientific justification for a statewide, standardized, coastal wetland monitoring program for Hawaiʻi, USA. Hawaiian coastal wetlands provide important habitat for endangered waterbirds, invertebrates, plants, and the Hawaiian hoary bat (ʻōpeʻapeʻa; Lasiurus semotus) as well as support Indigenous food systems. Currently, numerous agencies and groups in...
The demise of an icehouse: Calibrating the end of the LPIA
Neil Patrick Griffis, Roland Mundil, Isabel Montañez, Pierre Dietrich, Daniel Le Heron, Roberto Iannuzzi, Bastien Linol, Thammy Mottin, John Richey, Christoph Kettler
2025, Global and Planetary Change (252)
Earth has experienced three complete icehouse-greenhouse turnovers in the Phanerozoic, with the Late Paleozoic Ice Age (LPIA) recognized as the last and most extreme icehouse. The nature, scale and dynamics of the LPIA are characterized by periods of intense glaciation, which are often interrupted by short-lived (1–2 Myrs) intervals associated...
Habitat and predator influences on the spatial ecology of nine-banded armadillos
Robert Charles Lonsinger, Ben P. Murley, Daniel T. McDonald, Christine E. Fallon, Kara M. White
2025, Diversity (17)
Mesopredator suppression has implications for community structure, biodiversity, and ecosystem function, but mesopredators with physical defenses may not avoid apex predators. We investigated nine-banded armadillos (Dasypus novemcinctus) in southwestern Oklahoma (USA) to evaluate if a species with physical defenses was influenced by a dominant predator, the coyote (Canis...
Satellite-based evidence of recent decline in global forest recovery rate from tree mortality events
Yuchao Yan, Songbai Hong, Anping Chen, Josep Peñuelas, Craig D. Allen, William M. Hammond, Seth Munson, Ranga B. Myneni, Shilong Piao
2025, Nature Plants (11) 731-742
Climate-driven forest mortality events have been extensively observed in recent decades, prompting the question of how quickly these affected forests can recover their functionality following such events. Here we assessed forest recovery in vegetation greenness (normalized difference vegetation index) and canopy water content (normalized difference infrared index) for 1,699 well-documented...
A framework for understanding the effects of subsurface agricultural drainage on downstream flows
Hannah Lee Podzorski, Karen R. Ryberg
2025, Scientific Investigations Report 2025-5023
Understanding controls on streamflow volume and magnitude is important to water resource management applications, such as critical water and transportation structure design and floodplain mapping. Changes in land use and agricultural practices, such as subsurface agricultural drainage, may be contributing to changes in streamflow characteristics. Subsurface agricultural drainage, also known...
Vulnerability of gulf ribbed mussels to marsh surface maximum temperatures
Skylar R. Liner, Brian J. Roberts, Nicholas Coxe, Romain Lavaud, Jerome F. La Peyre, Megan La Peyre
2025, Journal of Shellfish Research (44) 45-53
Gulf ribbed mussels (Geukensia granosissima) act as ecosystem engineers and reside within the marsh platform of saltmarshes across the northern Gulf of Mexico. With climate models projecting increasing temperatures, and more frequent and extreme heat events, these mussels face increasing temperature-related risks. Marsh surface and subsurface (5-cm depth) temperature was...
Smallmouth bass (Micropterus dolomieu) and chain pickerel (Esox niger) identified as Atlantic salmon (Salmo salar) smolt predators in a reservoir system
Matthew A. Mensinger, Andrea N. Casey, Alessio Mortelliti, Joseph D. Zydlewski
2025, Canadian Journal of Fisheries and Aquatic Sciences (82) 1-15
Reservoir predation has been identified as a leading mortality source for smolts migrating through impounded river systems. We investigated smolt predation risk for an endangered Atlantic salmon (Salmo salar) population in the Weldon Dam reservoir in the Penobscot River, Maine, USA. In spring 2022, we characterized the fates of 390...
Stressor-driven changes in freshwater biological indicators inform spatial management strategies using expert knowledge, observational data, and hierarchical models
Sean Cassian Emmons, Matthew J. Cashman, Rosemary M. Fanelli, Greg Pond, Gregory E. Noe, Taylor Woods, Kelly O. Maloney
2025, Ecological Indicators (174)
Stream ecosystems face continuous pressures from multiple anthropogenic stressors that reshape biological communities and impact ecosystem health and services. Managers can encounter challenges in stewarding ecosystems threatened by multiple stressors, in part because most multiple stressor studies are experimental and, while valuable, offer limited management relevance in targeting these stressors...
Altitude of the potentiometric surface and depth to water in the Mississippi River Valley alluvial aquifer, spring 2022
Virginia L. McGuire, Kellan R. Strauch, Erik A. Wojtylko, William H. Asquith, Anna M. Nottmeier, Judith C. Thomas, Roland W. Tollett, Wade H. Kress
2025, Scientific Investigations Map 3532
Potentiometric-surface and depth-to-water maps for spring 2022 were created for the Mississippi River Valley alluvial aquifer (MRVA) using groundwater-altitude data from 1,136 wells completed in the MRVA and from the altitude of the top of the water surface in area rivers from 160 streamgages. The potentiometric-surface and depth-to-water maps for...
