Using continuous measurements of turbidity to predict suspended-sediment concentrations, loads, and sources in Flat Creek through the town of Jackson, Wyoming, 2019−20 — A pilot study
Jason S. Alexander, Carlin Girard, James Campbell, Christopher A. Ellison, Elyce Gosselin, Emily Smith
2022, Open-File Report 2022-1103
Flat Creek, a tributary to the Snake River in northwestern Wyoming, is an important source of irrigation water, fish and wildlife habitat, and local recreation. Since 1996, a section of Flat Creek within the town of Jackson has failed to meet Wyoming Department of Environmental Quality’s surface-water-quality standards for total...
Response of soil respiration to changes in soil temperature and water table level in drained and restored peatlands of the southeastern United States
Erin E. Swails, Marcelo Ardon, Ken Krauss, A.L. Peralta, Ryan E. Emmanuel, A.M. Helton, J.L. Morse, Laurel Gutenberg, Nicole Cormier, D. Shoch, Scott Settlemyer, Eric Soderholm, Brian P. Boutin, Chuck Peoples, Sara Ward
2022, Carbon Balance and Management (17)
Extensive drainage of peatlands in the southeastern United States coastal plain for the purposes of agriculture and timber harvesting has led to large releases of soil carbon as carbon dioxide (CO2) due to enhanced peat decomposition. Growth in mechanisms that provide financial incentives for reducing emissions from land use and...
Bathymetric map and surface area and capacity table for Table Rock Lake near Branson, Missouri, 2020
Richard J. Huizinga, Benjamin C. Rivers, Joseph M. Richards
2022, Scientific Investigations Map 3499
Table Rock Lake was completed in 1958 on the White River in southwestern Missouri and northwestern Arkansas for flood control, hydroelectric power, public water supply, and recreation. The surface area of Table Rock Lake is about 42,400 acres, and about 715 miles of shoreline are at the conservation pool level...
Exploring the role of cryptic nitrogen fixers in terrestrial ecosystems: A frontier in nitrogen cycling research
Cory Cleveland, Carla R. G. Reis, Steven S. Perakis, Katherine A Dynarski, Sarah Batterman, Timothy Crews, Maga Gei, Michael J. Gundale, Duncan Menge, Mark Peoples, Sasha C. Reed, Verity Salmon, Fiona M. Soper, Benton Taylor, Monica Turner, Nina Wurzburger
2022, Ecosystems (25) 1653-1669
Biological nitrogen fixation represents the largest natural flux of new nitrogen (N) into terrestrial ecosystems, providing a critical N source to support net primary productivity of both natural and agricultural systems. When they are common, symbiotic associations between plants and bacteria can add more than 100 kg N ha−1 y−1 to ecosystems. Yet, these associations...
Rainforest carnivore ecology in a managed forest reserve: Differential seasonal correlates between habitat components and relative abundance
Lauren N. Watine, Emma V. Willcox, Joseph D. Clark, Craig A. Harper
2022, Biological Conservation (276)
Studies of relationships between seasons and Neotropical carnivore distributions tend to focus on water and prey availability without considering other habitat components such as escape, foraging, and resting cover. Our goal was to evaluate habitat characteristics that may be important...
Spatial analysis of globally detected volcanic lightning from the June 2019 eruption of Raikoke volcano, Kuril Islands
Cassandra M. Smith, Alexa R. Van Eaton, David J. Schneider, Larry G. Mastin, Robin S. Matoza, Kathleen McKee, Sean Maher
2022, Volcanica (5) 385-395
The 21–22 June 2019 eruption of Raikoke volcano, Russia, provided an opportunity to explore how spatial trends in volcanic lightning locations provide insights into pulsatory eruption dynamics. Using satellite-derived plume heights, we examine the development of lightning detected by Vaisala’s Global Lightning Dataset (GLD360) from eleven, closely spaced eruptive pulses. Results from...
Investigating impacts of small dams and dam removal on dissolved oxygen in streams
Katherine M. Abbott, Peter A. Zaidel, Allison H. Roy, Kristopher M. Houle, Keith H. Nislow
2022, PLoS ONE (17)
Small surface-release dams are prevalent across North American watersheds and can alter stream flow, thermal regimes, nutrient dynamics, and sediment transport. These dams are often implicated as a cause of negative water quality impacts—including reduced dissolved oxygen (DO)—and dam removal is increasingly employed to restore natural stream processes and improve...
Preliminary national-scale seismic risk assessment of natural gas pipelines in the United States
N. Simon Kwong, Kishor S. Jaiswal, Nico Luco, J. W. Baker, K. A. Ludwig
2022, Conference Paper, Lifelines 2022
Although the gas pipeline infrastructure in the United States is vulnerable to the seismic hazards of (i) strong ground shaking, and (ii) ground failures induced by surface faulting, liquefaction, or landslides, limited national guidance exists for operators to consistently evaluate the earthquake response of their pipelines. To provide additional information...
Assessing direct and indirect long-term economic impacts from earthquakes to the U.S. National Bridge Inventory
Kishor S. Jaiswal, N. Simon Kwong, Doug Bausch, David J. Wald, Kuo-wan Lin, Sharon Yen, Jerry Shen, Jeffrey Ger
2022, Conference Paper, Lifelines 2022
Using the 2018 National Seismic Hazard Model and the 2018 National Bridge Inventory, an annualized earthquake loss (AEL) study was conducted for approximately 610,000 bridges in the conterminous United States, quantifying both direct and indirect economic losses. The typical AEL framework has been augmented with new replacement unit cost data...
Distribution and demography of Southwestern Willow Flycatchers in San Diego County, 2015–19
Scarlett L. Howell, Barbara E. Kus, Shannon M. Mendia
2022, Open-File Report 2022-1082
We surveyed for Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) at 33 locations along multiple drainages in San Diego County, including portions of Agua Hedionda Creek, Cottonwood Creek, Escondido Creek, Los Penasquitos Creek, Otay River, San Diego River, San Dieguito River, San Luis Rey River, Sweetwater River, and Tijuana River....
Economic consequences of the HayWired earthquake scenario
Ian Sue Wing, Dan Wei, Adam Rose, Anne Wein
2022, Conference Paper, Lifelines 2022
This study evaluates the economic impacts of a Mw7.0 Hayward fault scenario earthquake on the greater San Francisco Bay Region’s economy and the California economy as a whole using a detailed multiregional, static computable general equilibrium model. Economic impacts in terms of Gross Regional Product (GRP) losses caused by both capital...
Applying consequence-driven scenario selection to lifelines
Yolanda C Lin, David J. Wald, Eric M. Thompson, David Lallemant
2022, Conference Paper, Lifelines
We present a new consequence-driven framework for earthquake scenario selection. For emergency managers, utility operators, policy makers, and other stakeholders, a scenario-based seismic risk assessment is often necessary for the purpose of emergency management and planning. In developing a scientifically defensible scenario, stakeholders can simulate a realistic event in order...
Conduit processes in crystal-rich dacitic magma and implications for eruptive cycles at Guagua Pichincha volcano, Ecuador
Mathieu Colombier, Benjamin Bernard, Heather M. Wright, Jean-Luc Le Pennec, Francisco Caceres, Corrado Cimarelli, Michael J. Heap, Pablo Samaniego, Jeremie Vasseur, Donald B. Dingwell
2022, Bulletin of Volcanology (84)
Stratovolcanoes are commonly characterised by cyclic eruptive activity marked by transitions between dome-forming, Vulcanian, Subplinian and Plinian eruptions. Guagua Pichincha volcano (Ecuador) has been a location of such cyclicity for the past ~ 2000 years, with Plinian eruptions in the first and tenth centuries AD (Anno Domini/after Christ), and CE (Common Era)...
Lithology and disturbance drive cavefish and cave crayfish occurrence in the Ozark Highlands ecoregion
Joshua B. Mouser, Shannon K. Brewer, Matthew L. Niemiller, Robert Mollenhauer, Ronald A. Van Den Bussche
2022, Scientific Reports (12)
Diverse communities of groundwater-dwelling organisms (i.e., stygobionts) are important for human wellbeing; however, we lack an understanding of the factors driving their distributions, making it difficult to protect many at-risk species. Therefore, our study objective was to determine the landscape factors related to the occurrence of cavefishes and cave crayfishes...
Towards real-time probabilistic ash deposition forecasting for New Zealand
Rosa Transcoso, Yannik Behr, Tony Hurst, Natalia I. Deligne
2022, Journal of Applied Volcanology (11)
Volcanic ashfall forecasts are highly dependent on eruption source parameters (ESPs) and synoptic weather conditions at the time and location of the eruption. In New Zealand, MetService and GNS Science have been jointly developing an ashfall forecast system that incorporates four-dimensional high-resolution numerical weather prediction (NWP)...
Seismic evidence for magmatic underplating along the Kodiak-Bowie Seamount Chain, Gulf of Alaska
Gail L. Christeson, Sean P.S. Gulick, Maureen A. L. Walton, Ginger Barth
2022, Tectonophysics (845)
Oceanic crust formed at mid-ocean ridges may be later modified by off-ridge magmatism forming seamounts, guyots, and islands. We investigate processes associated with seamount formation in the Gulf of Alaska Seamount Province using two coincident seismic reflection/wide-angle profiles. A north-south profile...
Power-law viscoelastic flow of the lower accretionary prism in the Makran subduction zone following the 2013 Baluchistan Earthquake
Guo Cheng, William D. Barnhart, Shaoyang Li
2022, JGR Solid Earth (127)
Subduction zone accretionary prisms are commonly modeled as elastic structures where permanent deformation is accommodated by faulting and folding of otherwise elastic materials, yet accretionary prisms may exhibit other deformation styles over relatively short time scales. In this study, we use 6.5-year (2014–2021) Sentinel-1 interferometric synthetic aperture radar (InSAR) time-series...
GCPs free photogrammetry for estimating tree height and crown diameter in Arizona cypress plantation using UAV-Mounted GNSS RTK
Morteza Pourreza, Fardin Moradi, Mohammad Khosravi, Azade Deljouei, Melanie K. Vanderhoof
2022, Forests (13)
One of the main challenges of using unmanned aerial vehicles (UAVs) in forest data acquisition is the implementation of Ground Control Points (GCPs) as a mandatory step, which is sometimes impossible for inaccessible areas or within canopy closures. This study aimed to test the accuracy of a...
Individual characteristics and abiotic factors influence out-migration dynamics of juvenile bull trout
Madeline C. Lewis, Christopher S. Guy, Eric W. Oldenburg, Thomas E. McMahon
2022, Fishes (7)
Fragmentation of rivers through anthropogenic modifications poses an imminent threat to the persistence of migratory fish, necessitating direct actions such as trap-and-haul programs to restore and conserve the migratory life-history component in populations of partially migratory species such as bull trout Salvelinus confluentus. We used a PIT-tag system to assess...
Geochemical evidence for diachronous uplift and synchronous collapse of the high elevation Variscan hinterland
Ian William Hillenbrand, Michael L. Williams
2022, Geophysical Research Letters (49)
Competing end-member models for the late Paleozoic Variscan orogeny (ca. 360-290 Ma) alternatively suggest moderate 2-3 km elevations underlain by relatively thin crust (55 km) that supported high 4-5 km elevations. We tested these models and quantified the crustal thickness and elevation evolution of...
Brown bear–sea otter interactions along the Katmai coast: Terrestrial and nearshore communities linked by predation
Daniel Monson, Rebecca L. Taylor, Grant Hilderbrand, Joy Erlenbach, Heather Coletti, James L. Bodkin
2022, Journal of Mammalogy
Sea otters were extirpated throughout much of their range by the maritime fur trade in the 18th and 19th centuries, including the coast of Katmai National Park and Preserve in southcentral Alaska. Brown bears are an important component of the Katmai ecosystem where they are the focus of a...
Reproductive success of Red-Billed Tropicbirds (Phaethon aethereus) on St. Eustatius, Caribbean Netherlands
H. Madden, M. Leopold, F. Rivera-Milán, K. Verdel, E. Eggermont, Patrick G.R. Jodice
2022, Waterbirds (45) 39-50
The daily nest-survival rates of Red-billed Tropicbirds (Phaethon aethereus) were estimated over six breeding seasons on St. Eustatius in the Caribbean. We analyzed 338 nesting attempts between 2013 and 2020. The daily survival rate (DSR) of tropicbird nests was modeled as a function of...
Use of a riverscape-scale model of fundamental physical habitat requirements for freshwater mussels to quantify mussel declines in a mining-contaminated stream: The Big River, Old Lead Belt, Southeast Missouri
Amanda E. Rosenberger, Garth A. Lindner
2022, Cooperator Science Series FWS/CSS-147-2022
The research described in this report was conducted as part of the Natural Resource Damage Assessment and Restoration process in the Big River. Our purpose was to compare habitat features and landscape factors that may be important for the establishment and persistence of mussel concentrations between the Big River and...
Framework for assessing and mitigating the impacts of offshore wind energy development on marine birds
Donald A Croll, Aspen A Ellis, Josh Adams, Aonghais S. C. P. Cook, Stefan Garthe, Morgan Wing Goodale, C. Scott Hall, Elliott L. Hazen, Bradford S. Keitt, Emily C. Kelsey, Jeffery B Leirness, Don E Lyons, Matthew W. McKown, Astrid Potiek, Kate R Searle, Floor H. Soudjin, R. Cotton Rockwood, Bernie R. Tershy, Martin Tinker, Eric A. Vanderwerf, Kathryn A Williams, Lindsay C. Young, Kelly Zilliacus
2022, Biological Conservation (276)
Offshore wind energy development (OWED) is rapidly expanding globally and has the potential to contribute significantly to renewable energy portfolios. However, development of infrastructure in the marine environment presents risks to wildlife. Marine birds in particular have life history traits that amplify population impacts from displacement and collision with offshore...
Effect of uncertainty of discharge data on uncertainty of discharge simulation for the Lake Michigan Diversion, northeastern Illinois and northwestern Indiana
David Soong, Thomas M. Over
2022, Scientific Investigations Report 2022-5102
Simulation models of watershed hydrology (also referred to as “rainfall-runoff models”) are calibrated to the best available streamflow data, which are typically published discharge time series at the outlet of the watershed. Even after calibration, the model generally cannot replicate the published discharges because of simplifications of the physical system...
