A modeling workflow that balances automation and human intervention to inform invasive plant management decisions at multiple spatial scales
Nicholas E. Young, Catherine S. Jarnevich, Helen Sofaer, Ian S. Pearse, Julia Sullivan, Peder Engelstad, Thomas J. Stohlgren
2020, PLoS ONE (15)
Predictions of habitat suitability for invasive plant species can guide risk assessments at regional and national scales and inform early detection and rapid-response strategies at local scales. We present a general approach to invasive species modeling and mapping that meets objectives at multiple scales. Our methodology is designed...
Predicting barrier island habitats and oyster and seagrass habitat suitability for various restoration measures and future conditions for Dauphin Island, Alabama
Nicholas M. Enwright, Hongqing Wang, P. Soupy Dalyander, Elizabeth Godsey, editor(s)
2020, Open-File Report 2020-1003
Barrier islands, such as Dauphin Island, Alabama, provide numerous invaluable ecosystem services including storm damage reduction and erosion control to the mainland, habitat for fish and wildlife, carbon sequestration in marshes, water catchment and purification, recreation, and tourism. These islands are dynamic environments that are gradually shaped by currents, waves,...
Estimating population abundance with a mixture of physical capture and passive PIT tag antenna detection data
Mary M. Conner, Phaedra E. Budy, Richard A. Wilkison, Michael Mills, David Speas, Peter D. Mackinnon, Mark C. Mckinstry
2020, Canadian Journal of Fisheries and Aquatic Sciences (77) 1163-1171
The inclusion of passive interrogation antenna (PIA) detection data has promise to increase precision of population abundance estimates (). However, encounter probabilities are often higher for PIAs than for physical capture. If the difference is not accounted for, may be biased....
Assessing population-level consequences of anthropogenic stressors for terrestrial wildlife
Todd E. Katzner, Melissa A. Braham, Tara Conkling, James E. Diffendorfer, Adam E. Duerr, Scott R. Loss, David M. Nelson, Hannah B. Vander Zanden, Julie L. Yee
2020, Ecosphere (11)
Human activity influences wildlife. However, the ecological and conservation significances of these influences are difficult to predict and depend on their population‐level consequences. This difficulty arises partly because of information gaps, and partly because the data on stressors are usually collected in a count‐based manner (e.g., number of dead animals)...
A socio-environmental geodatabase for integrative research in the transboundary Rio Grande/Río Bravo basin
Jennifer Villa
2020, Report
Management of water resources in the transboundary Rio Grande/Río Bravo Basin (the Basin) presents challenges for state and Federal entities in the United States and Mexico making management decisions on shared water resources. Damming, channelization, water availability, and allocation are governed by water rights and water-sharing agreements. Data and...
Evidence for late Quaternary deformation along Crowley's Ridge, New Madrid seismic zone
Jessica Thompson Jobe, Ryan D. Gold, Richard W. Briggs, Robert Williams, William J. Stephenson, Jaime E. Delano, Anjana K. Shah, Burke J. Minsley
2020, Tectonics (39)
The New Madrid seismic zone has been the source of multiple major (M ~7.0–7.5) earthquakes in the past 2 ka, yet the surface expression of recent deformation remains ambiguous. Crowleys Ridge, a linear ridge trending north‐south for 300+ km through the Mississippi Embayment, has been interpreted as either a fault‐bounded...
Disease can shape marine ecosystems
Joseph P Morton, Brian R Silliman, Kevin D. Lafferty
2020, Book chapter, Marine disease ecology
This chapter reviews how marine ecosystems respond to parasites. Evidence from several marine ecosystems shows that parasites can wield control over ecosystem structure, function, and dynamics by regulating host density and phenotype. Like predators, parasites can generate or modify trophic cascades, regulate important foundational species and ecosystem engineers, and mediate...
Geodetic measurements of slow slip events southeast of Parkfield, CA
Brent G. Delbridge, Joshua D. Carmichael, Robert M. Nadeau, David R. Shelly, Roland Burgmann
2020, Journal of Geophysical Research (125)
Tremor and low-frequency earthquakes are presumed to be indicative of surrounding slow, aseismic slip that is often below geodetic detection thresholds. This study uses data from borehole seismometers and long-baseline laser strainmeters to observe both the seismic and geodetic signatures of episodic tremor and slip on the Parkfield region of...
Groundwater characterization and effects of pumping in the Death Valley regional groundwater flow system, Nevada and California, with special reference to Devils Hole
Keith J. Halford, Tracie R. Jackson
2020, Professional Paper 1863
Groundwater flow and development were characterized in four groundwater basins of the Death Valley regional flow system in Nevada and California with calibrated, groundwater-flow models. Natural groundwater discharges in the Furnace Creek, Lower Amargosa, and Saratoga Spring areas were defined and distributed consistently with a revised hydrogeologic...
Biogeography of fire regimes in western US conifer forests: A trait-based approach
Jens Stevens, Matthew M. Kling, Dylan W. Schwilk, J. Morgan Varner, Jeffrey M. Kane
2020, Global Ecology and Biogeography (29) 944-955
Aim Functional traits are a critical link between species distributions and the ecosystem processes that structure those species’ niches. Concurrent increases in the availability of functional trait data and our ability to model species distributions present an opportunity to develop functional trait biogeography, i.e. the mapping of functional traits across space....
Fundamental hydraulics of cross sections in natural rivers: Preliminary analysis of a large data set of acoustic doppler flow measurements
David M. Bjerklie, John W, Fulton, S. Lawrence Dingman, Michael G. Canova, J. Toby Minear, Tommaso Moramarco
2020, Water Resource Research (56)
We have assembled a comprehensive and publicly accessible U.S. Geological Survey (USGS) streamflow measurement data set, called HYDRoSWOT, from a USGS National Water Information System archive of acoustic Doppler current profiler river discharge measurements collected from a wide range of rivers throughout the United States. The data...
Causal effect of impervious cover on annual flood magnitude for the United States
Annalise G. Blum, Paul J. Ferraro, Stacey A. Archfield, Karen R. Ryberg
2020, Geophysical Research Letters (47)
Despite consensus that impervious surfaces increase flooding, the magnitude of the increase remains uncertain. This uncertainty largely stems from the challenge of isolating the effect of changes in impervious cover separate from other factors that also affect flooding. To control for these factors, prior study designs...
Estimates of water use associated with continuous oil and gas development in the Williston Basin, North Dakota and Montana, 2007–17
Ryan R. McShane, Theodore B. Barnhart, Joshua F. Valder, Seth S. Haines, Kathleen M. Macek-Rowland, Janet M. Carter, Gregory C. Delzer, Joanna N. Thamke
2020, Scientific Investigations Report 2020-5012
This study of water use associated with development of continuous oil and gas resources in the Williston Basin is intended to provide a preliminary model-based analysis of water use in major regions of production of continuous oil and gas resources in the United States. Direct, indirect, and ancillary water use...
The changing sociocultural context of wildlife conservation
Michael J. Manfredo, Tara L. Teel, Andrew W. Don Carlos, Leeann Sullivan, Alan D. Bright, Alia M. Dietsch, Jeremy Bruskotter, David C. Fulton
2020, Conservation Biology (34) 1549-1559
We introduced a multilevel model of value shift to describe the changing social context of wildlife conservation. Our model depicts how cultural-level processes driven by modernization (e.g., increased wealth, education, and urbanization) affect changes in individual-level cognition that prompt a shift from domination to mutualism wildlife...
Operational earthquake forecasting during the 2019 Ridgecrest, California, earthquake sequence with the UCERF3-ETAS model
Kevin R. Milner, Edward H. Field, William H Savran, Morgan T. Page, Thomas H Jordan
2020, Seismological Research Letters (91) 1567-1578
The first Uniform California Earthquake Rupture Forecast, Version 3–epidemic‐type aftershock sequence (UCERF3‐ETAS) aftershock simulations were running on a high‐performance computing cluster within 33 min of the 4 July 2019 M 6.4 Searles Valley earthquake. UCERF3‐ETAS, an extension of the third Uniform California Earthquake Rupture Forecast (UCERF3), is the first comprehensive,...
Changing suspended sediment in United States rivers and streams: Linking sediment trends to changes in land use/cover, hydrology and climate
Jennifer C. Murphy
2020, Hydrology and Earth System Sciences (24) 991-1010
Sediment is one of the leading pollutants in rivers and streams across the United States (US) and the world. Between 1992 and 2012, concentrations of annual mean suspended sediment decreased at over half of the 137 stream sites assessed across the contiguous US. Increases occurred at less than 25 % of...
Legacy and current‐use contaminants in sediments alter macroinvertebrate communities in southeastern US Streams
Patrick W. Moran, Nile E. Kemble, Ian R. Waite, Barbara Mahler, Lisa H. Nowell, Peter C. Van Metre
2020, Environmental Toxicology and Chemistry (39) 1219-1232
Sediment contamination of freshwater streams in urban areas is a recognized and growing concern. As a part of a comprehensive regional stream‐quality assessment, stream‐bed sediment was sampled from streams spanning a gradient of urban intensity in the Piedmont ecoregion of the southeastern United States. We evaluated...
Estimating population persistence for at-risk species using citizen science data
B.A. Crawford, M. Olds, J.C. Maerz, Clinton T. Moore
2020, Biological Conservation (243)
Population persistence probability is valuable for characterizing risk to species and informing listing and conservation decisions but is challenging to estimate through traditional methods for rare, data-limited species. Modeling approaches have used citizen science data to mitigate data limitations of focal species and better...
Mercury export from Arctic great rivers
Scott Zolkos, David P. Krabbenhoft, Anya Suslova, Suzanne E. Tank, James W. McClelland, Robert G. M. Spencer, Alexander Shiklomanov, Alexander V. Zhulidov, Tatiana Gurtovaya, Nikita Zimov, Sergey Zimov, Edda A. Mutter, Les Kutny, Edwin Amos, Robert M. Holmes
2020, Environmental Science & Technology (54) 4140-4148
Land–ocean linkages are strong across the circumpolar north, where the Arctic Ocean accounts for 1% of the global ocean volume and receives more than 10% of the global river discharge. Yet estimates of Arctic riverine mercury (Hg) export constrained from direct Hg measurements remain sparse. Here, we report results from...
Testing glacial isostatic adjustment models of last-interglacial sea level history in the Bahamas and Bermuda
Daniel R. Muhs, Kathleen R. Simmons, R. Randall Schumann, Eugene S. Schweig III, Mark P. Rowe
2020, Quaternary Science Reviews (233)
Part of the spatial variation in the apparent sea-level record of the last interglacial (LIG) period is due to the diverse response of coastlines to glacial isostatic adjustment (GIA) processes, particularly where coastlines were close to the Laurentide Ice Sheet during the past two glacial periods. We tested modeled LIG...
Application of decadal modeling approach to forecast barrier island evolution, Dauphin Island, Alabama
Rangley C. Mickey, Elizabeth Godsey, P. Soupy Dalyander, Victor Gonzalez, Robert L. Jenkins III, Joseph W. Long, David M. Thompson, Nathaniel G. Plant
2020, Open-File Report 2020-1001
Forecasting barrier island evolution provides coastal managers and stakeholders the ability to assess the resiliency of these important coastal environments that are home to both established communities and existing natural habitats. This study uses an established coupled model framework to assess how Dauphin Island, Alabama, responds to various storm and...
Development of a modeling framework for predicting decadal barrier island evolution
Rangley C. Mickey, Joseph W. Long, P. Soupy Dalyander, Robert L. Jenkins III, David M. Thompson, Davina Passeri, Nathaniel G. Plant
2020, Open-File Report 2019-1139
Predicting the decadal evolution of barrier island systems is important for coastal managers who propose restoration or preservation alternatives aimed at increasing the resiliency of the island and its associated habitats or communities. Existing numerical models for simulating morphologic changes typically include either long-term (for example, longshore transport under quiescent...
Analysis of nearshore placement of sediments at Ogden Dunes, Indiana
David L Young, Katherine E Brutsche, Honghai Li, Brian C McFall, Erin C Maloney, Kaitlyn E McClain, David F. Bucaro, Jessica Z. LeRoy, James J. Duncker, Kevin K. Johnson, P. Ryan Jackson
2020, Report
The harbor structures/shoreline armoring on the southern Lake Michigan shoreline interrupt sand migration. Ogden Dunes, Indiana, and the nearby Indiana Dunes National Lakeshore observed shoreline erosion due to engineered structures associated with Burns Waterway Harbor, east of Ogden Dunes, impeding natural east to west sediment migration. To remedy this, USACE...
USGS-Water Resources Mission Area progress toward an internet of water
David L. Blodgett, Emily Read
2020, Conference Paper
No abstract available....
Use of multiple temperature logger models can alter conclusions
Joanna B. Whittier, Jacob T. Westhoff, Craig P. Paukert, Robin M. Rotman
2020, Water (12)
Remote temperature loggers are often used to measure water temperatures for ecological studies and by regulatory agencies to determine whether water quality standards are being maintained. Equipment specifications are often given a cursory review in the methods; however, the effect of temperature logger model is rarely addressed in the discussion....
