Current status of the community sensor model standard for the generation of planetary digital terrain models
Trent M. Hare, Randolph L. Kirk, Michael T. Bland, Donna M. Galuszka, Jason Laura, David Mayer, Bonnie L. Redding, Benjamin H Wheeler
2024, Remote Sensing (16)
The creation of accurate elevation models (topography) from stereo images are critical for a large variety of geospatial activities, including the production of digital orthomosaics, change detection, landing site analysis, geologic mapping, rover traverse planning, and spectral analysis. The United Stated Geological Survey, Astrogeology Science Center, continues to transition the...
Geoelectric evidence for a wide spatial footprint of active extension in central Colorado
Benjamin S. Murphy, Jonathan Saul Caine, Paul A. Bedrosian, Kayla J Crosbie
2024, Geology (52) 314-318
Three-dimensional magnetotelluric (MT) imaging in central Colorado reveals a set of north-striking high-conductivity tracks at lower-crustal (50–20 km) depths, with conductive finger-like structures rising off these tracks into the middle crust (20–5 km depth). We interpret these features to represent saline aqueous fluids and partial...
The noise is the signal: Spatio-temporal variability of production and productivity in high elevation meadows in the Sierra Nevada mountain range of North America
Robert C. Klinger, Tom Stephenson, James Letchinger, Logan Stephenson, Sarah Jacobs
2024, Frontiers in Ecology and Evolution (11)
There are expectations that increasing temperatures will lead to significant changes in structure and function of montane meadows, including greater water stress on vegetation and lowered vegetation production and productivity. We evaluated spatio-temporal dynamics in production and productivity in meadows within the Sierra Nevada mountain range of North America...
Prioritizing river basins for nutrient studies
Anthony J. Tesoriero, Dale M. Robertson, Christopher Green, J.K. Bohlke, Judson Harvey, Sharon L. Qi
2024, Environmental Monitoring and Assessment (196)
Increases in fluxes of nitrogen (N) and phosphorus (P) in the environment have led to negative impacts affecting drinking water, eutrophication, harmful algal blooms, climate change, and biodiversity loss. Because of the importance, scale, and complexity of these issues, it may be useful to consider methods for...
Rayleigh step-selection functions and connections to continuous-time mechanistic movement models
Joseph Michael Eisaguirre, Perry J. Williams, Mevin B. Hooten
2024, Movement Ecology (12)
BackgroundThe process known as ecological diffusion emerges from a first principles view of animal movement, but ecological diffusion and other partial differential equation models can be difficult to fit to data. Step-selection functions (SSFs), on the other hand, have emerged as powerful practical tools for ecologists studying the...
The spatially adaptable filter for error reduction (SAFER) process: Remote sensing-based LANDFIRE disturbance mapping updates
Sanath Sathyachandran Kumar, Brian Tolk, Ray Dittmeier, Joshua J. Picotte, Inga P. La Puma, Birgit Peterson, Timothy Duckett Hatten
2024, Fire (7)
LANDFIRE (LF) has been producing periodic spatially explicit vegetation change maps (i.e., LF disturbance products) across the entire United States since 1999 at a 30 m spatial resolution. These disturbance products include data products produced by various fire programs, field-mapped vegetation and fuel treatment activity (i.e., events) submissions from...
Assessing the probability of grass carp (Ctenopharyngodon idella) spawning in the Sandusky River using discharge and water temperature
Sabrina Jaffe, Song S. Qian, Christine M. Mayer, Patrick M. Kocovsky, Anarita Gouveia
2024, Journal of Great Lakes Research (50)
Grass carp (Ctenopharyngodon idella, Val.) is an invasive species in the Laurentian Great Lakes region with the potential for damaging the lake ecosystem and harming the region's economy. Grass carp spawning was documented in the Sandusky River, Ohio, in 2015 through targeted egg sampling. Continued egg sampling in the Sandusky River...
Approaches for using CMIP projections in climate model ensembles to address the ‘hot model’ problem
Ryan Boyles, Catherine A. Nikiel, Brian W. Miller, Jeremy Littell, Adam J. Terando, Imtiaz Rangwala, Jay R. Alder, Derek H. Rosendahl, Adrienne M. Wootten
2024, Open-File Report 2024-1008
Several recent generation global-climate models were found to have anomalously high climate sensitivities and may not be useful for certain applications. Four approaches for developing ensembles of climate projections for applications that address this issue are:Using an “all models” approach;Screening using equilibrium climate sensitivity and (or) transient climate response;Bayesian model...
Season of death, pathogen persistence and wildlife behaviour alter number of anthrax secondary infections from environmental reservoirs
Amelie C. Dolfi, Kyrre Kausrud, Kristyna Rysava, Celeste Champagne, Yen-Hua Huang, Zoe R. Barandongo, Wendy Christine Turner
2024, Proceedings of the Royal Society B (291)
An important part of infectious disease management is predicting factors that influence disease outbreaks, such as R, the number of secondary infections arising from an infected individual. Estimating R is particularly challenging for environmentally transmitted pathogens given time lags between cases and subsequent infections. Here, we calculated R for Bacillus anthracis infections arising from anthrax carcass sites...
Deep magmatic staging chambers for crustal layered mafic intrusions: An example from the Bushveld Complex of southern Africa
Janine Cole, Carol A. Finn, Susan J. Webb
2024, Precambrian Research (403)
The deep mafic magmatic staging chambers of layered mafic intrusions have been conjectured but not imaged. Their existence has long been postulated from geochemical models which require multiple magma injections from staging chambers to account for their multi-scale igneous layering and...
Using stochastic point pattern analysis to track regional orientations of magmatism during the transition to cenozoic extension and Rio Grande rifting, Southern Rocky Mountains
Joshua Mark Rosera, Sean P. Gaynor, Alexey Ulianov, Urs Schaltegger
2024, Tectonics (43)
The southern Rocky Mountains in Colorado and northern New Mexico hosted intracontinental magmatism that developed during a tectonic transition from shortening (Laramide orogeny, ca. 75 to 40 Ma) through extension and rifting. We present a novel approach that uses stochastic weighted bootstrap simulations of a large set of...
Detection probability and bias in machine-learning-based unoccupied aerial system non-breeding waterfowl surveys
Reid Viegut, Elisabeth B. Webb, Andrew Raedeke, Zhicheng Tang, Yang Zhang, Zhenduo Zhai, Zhiguang Liu, Shiqi Wang, Jiuyi Zheng, Yi Shang
2024, Drones (8)
Unoccupied aerial systems (UASs) may provide cheaper, safer, and more accurate and precise alternatives to traditional waterfowl survey techniques while also reducing disturbance to waterfowl. We evaluated availability and perception bias based on machine-learning-based non-breeding waterfowl count estimates derived from aerial imagery collected using a DJI Mavic Pro 2 on...
Upstream experience and experimental translocation of invasive bigheaded carps results in increased upstream passage success at a navigation lock in a large river
Andrea K. Fritts, Daniel Gibson-Reinemer, Brent Knights, Amanda S. Milde, Jessica C. Stanton, Marybeth K. Brey, Douglas Appel, Aaron R. Cupp, Sarah Tripp, James T. Lamer, Mark W. Fritts
2024, River Research and Applications (40) 575-586
Fish movements in regulated rivers can be challenging to study because anthropogenic modifications, such as locks and dams, can influence animal behavior. Upper Mississippi River Lock and Dam 19 (LD 19), for example, is an invasive carp movement bottleneck due to an impassable dam....
Deep structure of Siletzia in the Puget Lowland: Imaging an obducted plateau and accretionary thrust belt with potential fields
Megan L. Anderson, Richard J. Blakely, Ray Wells, Joseph D. Dragovich
2024, Tectonics (43)
Detailed understanding of crustal components and tectonic history of forearcs is important due to their geological complexity and high seismic hazard. The principal component of the Cascadia forearc is Siletzia, a composite basaltic terrane of oceanic origin. Much is known about the lithology and age of the...
A global assessment of environmental and climate influences on wetland macroinvertebrate community structure and function
Luis B. Epele, Emilio A. Williams-Subiza, Matthew S. Bird, Aurelie Boissezon, Dani Boix, Elaine Demierre, Conor Fair, Patricia Garcia, Stephanie Gascon, Marta G. Grech, Hamish S. Greig, Michael Jeffries, Jamie M. Kneitel, Olga Loskutova, Leonardo Maltchik, Luz M. Manzo, Gabriela Mataloni, Kyle McLean, Musa C. Mlambo, Beat Oertli, Mateus M. Pires, Jordi Sala, Erica E. Scheibler, Cristina Stenert, Haitao Wu, Scott A Wissinger, Darold P. Batzer
2024, Global Change Biology (30)
Estimating organisms' responses to environmental variables and taxon associations across broad spatial scales is vital for predicting their responses to climate change. Macroinvertebrates play a major role in wetland processes, but studies simultaneously exploring both community structure and community trait responses to environmental gradients are still lacking. We compiled a...
Hydrology and water quality of a dune-and-swale wetland adjacent to the Grand Calumet River, Indiana, 2019–22
Shawn Naylor, Amy M. Gahala
2024, Scientific Investigations Report 2023-5122
Adverse ecological and water-quality effects associated with industrial land-use changes are common for littoral wetlands connected to river mouth ecosystems in the Grand Calumet River-Indiana Harbor Canal Area of Concern. These effects can be exacerbated by recent high Lake Michigan water levels that are problematic for wetland restoration. Wetlands in...
Establishing quantitative benchmarks for soil erosion and ecological monitoring, assessment, and management
Nicholas P. Webb, Brandon L. Edwards, Alexandra Heller, Sarah E. McCord, Jeremy W. Schallner, Ronald S. Treminio, Brandi E. Wheeler, Nelson G. Stauffer, Sheri Spiegal, Michael C. Duniway, Alexander C.E. Traynor, Emily Kachergis, Carrie-Ann Houdeshell
2024, Ecological Indicators (159)
Soil erosion can have a multitude of negative impacts on agroecosystems and society and there remains an urgent need for tools to support its management. Quantitative benchmarks based on holistic understanding of erosion processes, ecosystem function, and land use objectives can be...
Variability in weather and site properties affect fuel and fire behavior following fuel treatments in semiarid sagebrush-steppe.
Samuel J. Price, Matthew J. Germino
2024, Journal of Environmental Management (353)
Fuel-treatments targeting shrubs and fire-prone exotic annual grasses (EAGs) are increasingly used to mitigate increased wildfire risks in arid and semiarid environments, and understanding their response to natural factors is needed for effective landscape management. Using field-data collected over four years from fuel-break treatments in semiarid sagebrush-steppe, we asked 1)...
Non-native plant invasion after fire in western USA varies by functional type and with climate
Janet S. Prevey, Catherine S. Jarnevich, Ian S. Pearse, Seth M. Munson, Jens T. Stevens, Kevin Barrett, Jonathon D. Coop, Michelle Day, David Firmage, Paula J. Fornwalt, Katharine Haynes, James B. Johnston , Becky Kerns, Meg A. Krawchuk, Becky Miller, Ty Nietupski, Jacquilyn Roque, Judith Diane Springer, Camille S. Stevens-Rumann, Micheal T. Stoddard, Claire Tortorelli
2024, Biological Invasions (26) 1157-1179
Invasions by non-native plant species after fire can negatively affect important ecosystem services and lead to invasion-fire cycles that further degrade ecosystems. The relationship between fire and plant invasion is complex, and the risk of invasion varies greatly between functional types and across geographic scales. Here, we examined patterns and...
Contrasting migratory chronology and routes of Lesser Scaup: Implications of different migration strategies in a broadly distributed species
Laurie Anne Hall, Christopher J. Latty, Jeffrey M. Warren, John Y. Takekawa, Susan E.W. De La Cruz
2024, Journal of Field Ornithology (95)
Migration allows birds to improve fitness by exploiting seasonal resource peaks and avoiding limitations. Migration strategies may differ among individuals within a species, but for all strategies, the benefit of increased fitness should outweigh the costs of migration. These costs can include increased mortality risk, time constraints in the annual...
Insights into magma storage depths and eruption controls at Kīlauea Volcano during explosive and effusive periods of the past 500 years based on melt and fluid inclusions
Allan Lerner, D. Matthew Sublett, Paul J. Wallace, Christina Cauley, Robert J. Bodnar
2024, Earth and Planetary Science Letters (628)
Kīlauea Volcano experiences centuries-long cycles of explosive and effusive eruptive behavior, but the relation, if any, between these eruptive styles and changing conditions in the magma plumbing system remains poorly known. We analyze olivine-hosted melt and fluid inclusions to determine magma storage...
Integrating monitoring and modeling information to develop an indicator of watershed progress toward nutrient reduction goals
Qian Zhang, Gary W. Shenk, Gopal Bhatt, Isabella Bertani
2024, Ecological Indicators (158)
Eutrophication has been a major environmental issue in many coastal and inland ecosystems, which is primarily attributed to excessive anthropogenic inputs of nutrients. Restoration efforts have therefore focused on the reduction of watershed nutrient loads, including in the Chesapeake Bay (USA). To facilitate watershed management,...
Forecasting storm-induced coastal flooding for 21st century sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands
Curt D. Storlazzi, Borja G. Reguero, Camila Gaido L., Kristen C. Alkins, Chris Lowry, Cornelis M. Nederhoff, Li H. Erikson, Andrea C. O'Neill, Michael W. Beck
2024, Data Report 1184
Oceanographic, coastal engineering, ecologic, and geospatial data and tools were combined to evaluate the increased risks of storm-induced coastal flooding in the populated Hawaiian, Mariana, and American Samoan Islands as a result of climate change and sea-level rise. We followed a hybrid (dynamical and statistical) downscaling approach to map flooding...
Findings from a decade of ground motion simulation validation research and a path forward
Sanaz Rezaeian, Jonathan P. Stewart, Nico Luco, Christine A. Goulet
2024, Earthquake Spectra (40) 346-378
Simulated ground motions have the potential to advance seismic hazard assessments and structural response analyses, particularly for conditions with limited recorded ground motions such as large magnitude earthquakes at short source-to-site distances. However, rigorous validation of simulated ground motions is needed for hazard analysts, practicing engineers, or regulatory bodies to...
Beaver dam analogs did not improve beaver translocation outcomes in a desert river
Christine Sandbach, Julie K. Young, Mary Conner, Emma Hansen, Phaedra E. Budy
2024, Restoration Ecology (32)
Stream restoration programs employ beaver-related restoration techniques, including beaver translocations and installation of beaver dam analogs (BDA), to create complex in-stream habitat. We investigated whether BDA installations improved the probability of translocated beavers surviving and colonizing a section of a degraded desert river. We translocated beavers fitted with tracking devices...
