A numerical study of geomorphic and oceanographic controls on wave-driven runup on fringing reefs with shore-normal channels
Curt D. Storlazzi, Annouk Rey, Ap van Dongeren
2022, Journal of Marine Science and Engineering (10)
Many populated, tropical coastlines fronted by fringing coral reefs are exposed to wave-driven marine flooding that is exacerbated by sea-level rise. Most fringing coral reef are not alongshore uniform, but bisected by shore-normal channels; however, little is known about the influence of such channels on alongshore variations on runup and...
21st-century stagnation in unvegetated sand-sea activity
Andrew Gunn, Amy E. East, Douglas J. Jerolmack
2022, Nature Communications (13)
Sand seas are vast expanses of Earth’s surface containing large areas of aeolian dunes—topographic patterns manifest from above-threshold winds and a supply of loose sand. Predictions of the role of future climate change for sand-sea activity are sparse and contradictory. Here we examine the impact of...
Closing the gap on wicked urban stream restoration problems: A framework to integrate science and community values
Brian M. Murphy, Kathryn L Russell, Charles C. Stillwell, Robert J. Hawley, Mateo Scoggins, Kristina G. Hopkins, Matthew J. Burns, Kristine T. Taniguchi-Quan, Kate H Macneale, Robert F. Smith
2022, Freshwater Science (41) 521-531
Restoring the health of urban streams has many of the characteristics of a wicked problem. Addressing a wicked problem requires managers, academics, practitioners, and community members to make negotiated tradeoffs and compromises to satisfy the values and perspectives of diverse stakeholders involved in setting restoration project goals...
Possible effects of multiphase methane evolution during a glacial cycle on underpressure development in sedimentary basins: An analysis with application to the northeast Michigan Basin
Michelle R. Plampin, Alden M. Provost
2022, Journal of Geophysical Research - Solid Earth (127)
In low-permeability systems, groundwater may be accompanied by separate-phase fluids, and measured pore water pressures may deviate from those expected in steady-state, single-phase systems. These same systems may be of interest for storage of nuclear waste in Deep Geologic Repositories. Therefore, it is important to understand the...
Hybridization decreases native cutthroat trout reproductive fitness
William C. Rosenthal, John M. Fennell, Elizabeth G. Mandeville, Jason C. Burckhardt, Annika W. Walters, Catherine E. Wagner
2022, Molecular Ecology (31) 4224-4241
Examining natural selection in wild populations is challenging, but crucial to understanding many ecological and evolutionary processes. Additionally, in hybridizing populations, natural selection may be an important determinant of the eventual outcome of hybridization. We characterized several components of relative fitness in hybridizing populations of Yellowstone cutthroat trout and rainbow...
Experimental reductions in sub-daily flow fluctuations increased gross primary productivity for 425 river kilometers downstream
Bridget Deemer, Charles Yackulic, Robert O Hall Jr., Michael Dodrill, Theodore Kennedy, Jeffrey Muehlbauer, David Topping, Nicholas Voichick, Mike Yard
2022, PNAS Nexus (1)
Aquatic primary production is the foundation of many river food webs. Dams change the physical template of rivers, often driving food webs toward greater reliance on aquatic primary production. Nonetheless, the effects of regulated flow regimes on primary production are poorly understood. Load following is a common dam flow...
Environmental DNA methods for ecological monitoring and biodiversity assessment in estuaries
Raman P. Nagarajan, Mallory Bedwell, Ann E. Holmes, Thiago Sanches, Shawn Acuña, Melinda R. Baerwald, Matthew A. Barnes, Scott Blankenship, Richard E. Connon, Kristy Deiner, Daphne Gille, Caren S. Goldberg, Margaret Hunter, Christopher L. Jerde, Gordon Luikart, Rachel S. Meyer, Alison Watts, Andrea M Schreier
2022, Estuaries and Coasts (45) 2254-2273
Environmental DNA (eDNA) detection methods can complement traditional biomonitoring to yield new ecological insights in aquatic systems. However, the conceptual and methodological frameworks for aquatic eDNA detection and interpretation were developed primarily in freshwater environments and have not been well established for estuaries and marine environments...
Understanding the evolution of groundwater-contaminant plume chemistry emanating from legacy contaminant sources: An example from a long-term crude oil spill
Isabelle M. Cozzarelli, Mary Jo Baedecker, Adam Mumford, Jeanne B. Jaeschke, Tracey Spencer
2022, Ground Water Monitoring and Remediation (42) 30-42
Understanding the evolution of plumes emanating from residual hydrocarbon contaminant sources requires evaluating how changes in source compositions over time cause changes in dissolved plume chemistry as residual sources age. This study investigates such changes at the site of a 1979 crude-oil pipeline spill and is...
Modeling impacts of drought-induced salinity intrusion on carbon dynamics in tidal freshwater forested wetlands
Hongqing Wang, Zhaohua Dai, Carl C. Trettin, Ken Krauss, Gregory Noe, Andrew J. Burton, Camille Stagg, Eric Ward
2022, Ecological Applications (32)
Tidal freshwater forested wetlands (TFFW) provide critical ecosystem services including essential habitat for a variety of wildlife species and significant carbon sinks for atmospheric carbon dioxide. However, large uncertainties remain concerning the impacts of climate change on the magnitude and variability of carbon fluxes and storage...
Parks look for ways to alleviate Glen Canyon Dam’s dramatic downstream impacts
Lonnie Pilkington, Joel B. Sankey, Dan Boughter, Taryn Preston, Cam C. Prophet
2022, Park Science (36)
Introduction Regardless of the location, time of day, or season, the grandeur of Grand Canyon National Park and Glen Canyon National Recreation Area inspires awe. Visitors can reflect on the sunlit colors of the towering canyon walls or witness the vibrant, golden display of Fremont cottonwood leaves each fall. For...
Na+/HCO3- cotransporter 1 (nbce1) isoform gene expression during smoltification and seawater acclimation of Atlantic salmon
Jason P. Breves, Ian S. McKay, Victor Koltenyuk, Nastasia N. Nelson, Sean C. Lema, Stephen D. McCormick
2022, Journal of Comparative Physiology B: Biochemical, Systemic, and Environmental Physiology (192) 577-592
The life history of Atlantic salmon (Salmo salar) includes an initial freshwater phase (parr) that precedes a springtime migration to marine environments as smolts. The development of osmoregulatory systems that will ultimately support the survival of juveniles upon entry into marine habitats is a key aspect of smoltification. While the...
Characteristics, relationships and precision of direct acoustic-to-seismic coupling measurements from local explosions
Robert E. Anthony, Josh Watzak, Adam T. Ringler, David C. Wilson
2022, Geophysical Journal International (230) 2019-2035
Acoustic energy originating from explosions, sonic booms, bolides and thunderclaps have been recorded on seismometers since the 1950s. Direct pressure loading from the passing acoustic wave has been modelled and consistently observed to produce ground deformations of the near surface that have retrograde elliptical particle motions. In the past decade,...
Overcoming “analysis paralysis” through better climate change scenario planning
Gregor W. Schuurman, Brian W. Miller, Amy Symstad, Amber N. Runyon, Brecken C. Robb
2022, Park Science (36)
This "In Brief" article describes the use of scenario planning to facilitate climate change adaptation in the National Park Service. It summarizes best practices and innovations for using climate change scenario planning, with an emphasis on management outcomes and manager perspectives. The scenario planning approach and management outcomes highlighted in...
Effects of flow regulation and drought on geomorphology and floodplain habitat along the Colorado River in Canyonlands National Park, Utah
Paul Grams, Eric Head, Erich R. Mueller
2022, River Research and Applications (38) 1266-1276
Streamflow regulation compounded by regional drought has resulted in up to 22% reduction in channel width, changes in channel planform, expansion of riparian vegetation, and alterations to floodplain habitat on the Colorado River in Meander Canyon, Utah. Although some changes in channel width occurred between the 1940s and 1980s, coinciding...
Prairie grouse and wind energy: The state of the science and implications for risk assessment
John D. Lloyd, Cameron L. Aldridge, Taber D. Allison, Chad W. LeBeau, Lance B. McNew, Virginia L. Winder
2022, Wildlife Society Bulletin (46)
How to shape the anticipated build-out of industrial-scale renewable energy in a way that minimizes risk to wildlife remains contentious. This challenge is well-illustrated in the grasslands and shrub-steppe of North America. Here, several endemic species of grouse are the focus of intensive, long-term conservation action by a host of...
Late Paleoproterozoic to early Mesoproterozoic deposition of quartz arenites across southern Laurentia
L. Gordon Medaris Jr., Christopher G. Daniel, Michael F. Doe, James V. Jones III, Joshua J. Schwartz
Steven J. Whitmeyer, Michael L. Williams, Dawn A. Kellett, Basil Tikoff, editor(s)
2022, Book chapter, Laurentia: Turning points in the evolution of a continent
Supermature siliciclastic sequences were deposited between 1.64 Ga and 1.59 Ga over a broad swath of southern Laurentia in the Archean, Penokean, Yavapai, and Mazatzal Provinces. These siliciclastic sequences are notable for their extreme mineralogical and chemical maturity, being devoid of detrital feldspar and ferromagnesian minerals, containing the clay mineral...
Speciation with gene flow in a narrow endemic West Virginia cave salamander (Gyrinophilus subterraneus)
Evan H. Campbell Grant, Kevin P. Mulder, Adrianne B. Brand, Douglas B. Chambers, Addison H. Wynn, Grace Capshaw, Matthew L. Niemiller, John G. Phillips, Jeremy F. Jacobs, Shawn R. Kuchta, Rayna C. Bell
2022, Conservation Genetics (23) 727-744
Due to their limited geographic distributions and specialized ecologies, cave species are often highly endemic and can be especially vulnerable to habitat degradation within and surrounding the cave systems they inhabit. We investigated the evolutionary history of the West Virginia Spring Salamander (Gyrinophilus subterraneus), estimated the population trend from historic...
Prioritizing habitats based on abundance and distribution of molting waterfowl in the Teshekpuk Lake Special Area of the National Petroleum Reserve, Alaska
Paul L. Flint, Vijay P. Patil, Bradley Shults, Sarah J. Thompson
2022, Global Ecology and Conservation (38)
The National Petroleum Reserve in Alaska (NPR-A) encompasses more than 9.5 million hectares of federally managed land on the Arctic Coastal Plain of northern Alaska, where it supports a diversity of wildlife, including millions of migratory birds. Within the NPR-A, Teshekpuk Lake and the surrounding area provide important habitat for...
Progression of infection and detection of Pseudoloma neurophilia in zebrafish Danio rerio Hamilton by PCR and histology
Corbin J. Schuster, Taylor Kreul, Colleen E. Al-Samarrie, James Peterson, Justin L. Sanders, Michael L. Kent
2022, Journal of Fish Diseases (45) 1463-1475
Pseudoloma neurophilia is a critical threat to the zebrafish (Danio rerio) model, as it is the most common infectious agent found in research facilities. In this study, our objectives were two-fold: (1) compare the application of diagnostic tools for P. neurophilia and (2) track the progression of infection using PCR and histology. The...
Provenance of Devonian-Carboniferous strata of Colorado: The influence of the Cambrian and the Proterozoic
Christopher Holm-Denoma, William A. Matthews, Linda Soar, Mark W. Longman, James W. Hagadorn
2022, Rocky Mountain Geology (57) 1-21
We report new LA-ICPMS U-Pb detrital zircon ages and sedimentary petrology of silty to sandy limestones and dolostones, as well as calcareous to dolomitic sandstones of the Devonian-Carboniferous (Mississippian) Chaffee Group, as well as detrital zircon ages from the Late Cambrian Sawatch Quartzite and a U-Pb zircon crystallization age on...
Integrating monitoring and optimization modeling to inform flow decisions for Chinook salmon smolts
Patti J. Wohner, Adam Duarte, John Wikert, Brad Cavallo, Steven C. Zeug, James Peterson
2022, Ecological Modelling (471)
Monitoring is usually among the first actions taken to help inform recovery planning for declining species, but these data are rarely used formally to inform conservation decision making. For example, Central Valley Chinook salmon were once abundant, but anthropogenic activities have led to widespread habitat loss and degradation resulting in...
Wading bird foraging on a wetland landscape: A comparison of two strategies
Hyo Won Lee, Donald L. DeAngelis, Simeon Yurek, Stephen Tennenbaum
2022, Mathematical Biosciences and Engineering (19) 7687-7718
Tactile-feeding wading birds, such as wood storks and white ibises, require high densities of prey such as small fishes and crayfish to support themselves and their offspring during the breeding season. Prey availability in wetlands is often determined by seasonal hydrologic pulsing, such as in the subtropical Everglades, where spatial...
Special issue “Understanding phreatic eruptions - recent observations of Kusatsu-Shirane volcano and equivalents -”
Yasuo Ogawa, Takeshi Ohba, Tobias Fischer, Mare Yamamoto, Arthur Din Jolly
2022, Earth, Planets and Space (74)
No abstract available....
Satellite remote sensing of crop water use across the Missouri River Basin for 1986–2018 period
Arun Bawa, Gabriel B. Senay, Sandeep Kumar
2022, Agricultural Water Management (271)
Understanding historical crop water use (CWU) dynamics is important to improve land and water management. In this study, well-validated (coefficient of determination = 0.91, percent bias = 4%, and percent root mean square error = 11.8%) Landsat-based actual evapotranspiration (ETa) time-series estimations were used...
Characterization of the partial oxidation products of crude oil contaminating groundwater at the U.S. Geological Survey Bemidji research site in Minnesota by elemental analysis, radiocarbon dating, nuclear magnetic resonance spectroscopy, and Fourier transform ion cyclotron resonance mass spectrometry
Kevin A. Thorn, Ananna Islam, Sunghwan Kim
2022, Open-File Report 2022-1042
In oil spill research, a topic of increasing attention during the last decade has been the environmental impact of the partial oxidation products that result from transformation of the petroleum in freshwater, marine, and terrestrial ecosystems. This report describes the isolation and characterization of the partial oxidation products from crude...
