Integrating magnetotellurics, soil gas geochemistry and structural analysis to identify hidden, high enthalpy, extensional geothermal systems
Philip E. Wannamaker, James E Faulds, B. Mack Kennedy, Virginie Maris, Drew L. Siler, Craig Ulrich, Joseph Moore
2019, Conference Paper, Proceedings, 44nd Workshop on Geothermal Reservoir Engineering
We applied magnetotellurics (MT), diagnostic structural affiliations, soil gas flux, and fluid geochemistry to assist in identifying hidden, high-enthalpy geothermal systems in extensional regimes of the U.S. Great Basin. We are specifically looking for high-angle, low-resistivity zones and dilatant geologic structures that can carry fluids from magmatic or high-grade metamorphic...
Microclimate influences mangrove freeze damage: Implications for range expansion in response to changing macroclimate
Michael J. Osland, Arik M. Hartmann, Richard H. Day, Michael S. Ross, Courtney T. Hall, Laura C. Feher, William Vervaeke
2019, Estuaries and Coasts (42) 1084-1096
In response to warming winter air temperatures, freeze-sensitive mangrove forests are expected to expand at the expense of freeze-tolerant salt marshes. To better anticipate and prepare for mangrove range expansion, there is a need to advance understanding of the modulating role of microclimate. Here, we synthesized hypotheses regarding the effects...
Spatiotemporal remote sensing of ecosystem change and causation across Alaska
Neal J. Pastick, M. Torre Jorgenson, Scott J. Goetz, Benjamin M. Jones, Bruce K. Wylie, Burke J. Minsley, Hélène Genet, Joseph F. Knight, David K. Swanson, Janet C. Jorgenson
2019, Global Change Biology (25) 1171-1189
Contemporary climate change in Alaska has resulted in amplified rates of press and pulse disturbances that drive ecosystem change with significant consequences for socio‐environmental systems. Despite the vulnerability of Arctic and boreal landscapes to change, little has been done to characterize landscape change and associated drivers across northern high‐latitude ecosystems....
An improved mechanical owl for efficient capture of nesting raptors
Meghan K. Jensen, Shanti D. Hamburg, Christopher T. Rota, David F. Brinker, Dustin L. Coles, Mark A. Manske, Vincent A. Slabe, Matthew J. Stuber, Amy B. Welsh, Todd E. Katzner
2019, Journal of Raptor Research (53) 14-25
Scientific study of raptors often requires the use of a lure to capture individuals for marking or collecting various data and samples. Live lure owls in the genus Bubo are commonly used with mist nets or dho-gazas to trap nesting raptors, but the use of these live lures presents ethical, logistical, and...
Genetic and morphological differences between water chestnut (Myrtales: Lythraceae: Trapa) populations in the northeastern United States, Japan, and South Africa
Lynde L. Dodd, Nancy B. Rybicki, Ryan Thum, Yasuro Kadono, Kadiera Searfoss Ingram
2019, Technical Report ERDC/EL TR-19-3
This Special Report (SR) outlines preliminary work conducted under the Aquatic Plant Control Research Program (APCRP) to investigate genetic and morphological differences of Trapa taxa (water chestnut) in the Northeastern (NE) US. Comparisons of morphological characteristics and genetics were made between Trapa populations from the native region of Eurasia...
Role of recovering river herring population on smallmouth bass diet and growth
Jonathan M. Watson, Stephen M. Coghlan Jr., Joseph D. Zydlewski, Daniel B. Hayes, Daniel S. Stich
2019, Book chapter, Managing centrarchid fisheries in rivers and streams
Fish assemblages in Atlantic coastal rivers have undergone extensive ecological change in the last two and a half centuries due to human influence, including extirpation of many migratory fish species, such as river herring (Alosa spp.) and introduction of nonnative piscivores, notably Smallmouth Bass Micropterus dolomieu. Recently, dam removals and...
Dropstones in lacustrine sediments as a record of snow avalanches - A validation of the proxy by combining satellite imagery and varve chronology at Kenai Lake (south-central Alaska)
Sien Thys, Maarten Van Daele, Nore Praet, Britta J.L. Jensen, Thomas Van Dyck, Peter J. Haeussler, Elke Vandekerkhove, Veerle Cnudde, Marc De Batist
2019, Quaternary Geochronology (2)
Snow avalanches cause many fatalities every year and damage local economies worldwide. The present-day climate change affects the snowpack and, thus, the properties and frequency of snow avalanches. Reconstructing snow avalanche records can help us understand past variations in avalanche frequency and their relationship to climate change. Previous avalanche records...
Lithologies, ages, and provenance of clasts in the Ordovician Fincastle Conglomerate, Botetourt County, Virginia, USA
Harvey E. Belkin, John E. Repetski, Frank T. Dulong, Nelson L. Hickling
2019, Stratigraphy (15) 1-20
The Fincastle Conglomerate is an Ordovician polymictic, poorly sorted, matrix- and clast-supported cobble to boulder-rich conglomerate located just north of Fincastle, Botetourt County, VA. At least nine other cobble and boulder conglomerates are located in a similar stratigraphic position from Virginia to Georgia west of the Blue Ridge structural front....
The black brant population is declining based on mark recapture
James S. Sedinger, Thomas V. Riecke, Alan G. Leach, David H. Ward
2019, Journal of Wildlife Management (83) 627-637
Annual survival and recruitment in black brant (Branta bernicla nigricans) have declined since the 1990s, yet aerial surveys of the global population have been stable or even increasing over the past decade. We used a combination of a Lincoln estimator based on harvest information and band recoveries, and marked‐unmarked ratios...
A multidisciplinary framework to derive global river reach classifications at high spatial resolution
Camille Ouellet Dallaire, Bernhard Lehner, Roger Sayre, Michele Thieme
2019, Environmental Research Letters (14) 1-12
Projected climate and environmental change are expected to increase the pressure on global freshwater resources. To prepare for and cope with the related risks, stakeholders need to devise plans for sustainable management of river systems, which in turn requires the identification of management-appropriate operational units, such as groups of rivers...
A new 30 meter resolution global shoreline vector and associated global islands database for the development of standardized ecological coastal units
Roger Sayre, Suzanne Noble, Sharon L. Hamann, Rebecca A. Smith, Dawn J. Wright, Sean P. Breyer, Kevin Butler, Keith Van Graafeiland, Charlie Frye, Deniz Karagulle, Dabney Hopkins, Drew Stephens, Kevin Kelly, Zeenatul Basher, Devon Burton, Jill Janene Cress, Karina Atkins, D. Paco Van Sistine, Beverly Friesen, Rebecca Allee, Tom Allen, Peter Aniello, Irawan Asaad, Mark John Costello, Kathy Goodin, Peter Harrison, Maria T. Kavanaugh, Helen Lillis, Eleonora Manca, Frank E. Muller-Karger, Bjorn Nyberg, Rost Parsons, Justin Saarinen, Jac Steiner, Adam Reed
2019, Journal of Operational Oceanography (12) s47-s56
A new 30-m spatial resolution global shoreline vector (GSV) was developed from annual composites of 2014 Landsat satellite imagery. The semi-automated classification of the imagery was accomplished by manual selection of training points representing water and non-water classes along the entire global coastline. Polygon topology was applied to the GSV,...
Geochemically distinct oil families in the onshore and offshore Santa Maria basins, California
Kenneth E. Peters, Paul G. Lillis, Thomas Lorenson, J. E. Zumberge
2019, AAPG Bulletin (103) 243-271
The purpose of this work is to identify genetic affinities among 48 crude oil samples from the onshore and offshore Santa Maria basins. A total of 21 source-related biomarker and stable carbon isotope ratios among the samples were assessed to assure that they were unaffected by secondary processes. Chemometric analysis...
Lithospheric signature of late Cenozoic extension in electrical resistivity structure of the Rio Grande rift, New Mexico, USA
D. W. Feucht, Paul A. Bedrosian, Anne F Sheehan
2019, Journal of Geophysical Research B: Solid Earth (124) 2331-2351
We present electrical resistivity models of the crust and upper mantle from two‐dimensional (2‐D) inversion of magnetotelluric (MT) data collected in the Rio Grande rift, New Mexico, USA. Previous geophysical studies of the lithosphere beneath the rift identified a low‐velocity zone several hundred kilometers wide, suggesting that the upper mantle...
Satellite-detected forest disturbance forecasts American marten population decline: The case for supportive space-based monitoring
John Clare, Shawn T. McKinney, Erin M. Simons-Legaard, John E. DePue, Cyndy Loftin
2019, Biological Conservation (233) 336-345
Limited monitoring resources often constrain rigorous monitoring practices to species or populations of conservation concern. Insufficient monitoring can induce a tautology as lack of monitoring resources makes it difficult to determine whether a species or population deserves additional monitoring resources. When in-situ monitoring resources are limited, remote habitat monitoring could...
Bridge scour countermeasure assessments at select bridges in the United States, 2016–18
Taylor J. Dudunake, Richard J. Huizinga, Ryan L. Fosness
2019, Open-File Report 2019-1008
In 2009, the Federal Highway Administration published Hydraulic Engineering Circular No. 23 (HEC-23) to provide specific design and implementation guidelines for bridge scour and stream instability countermeasures. However, the effectiveness of countermeasures implemented over the past decade following those guidelines has not been evaluated. Therefore, in 2013, the U.S....
Escherichia coli and microbial source tracking marker concentrations in and near a constructed wetland in Maumee Bay State Park, Oregon, Ohio, 2015–16
Christopher M. Kephart, Amie M.G. Brady, Ryan W. Jackwood
2019, Scientific Investigations Report 2018-5127
Elevated Escherichia coli (E. coli) concentrations at the Maumee Bay State Park (MBSP) Lake Erie beach have resulted in frequent recreational water-quality advisories. After the construction of a wetland along Berger Ditch in Maumee Bay State Park, Oregon, Ohio, samples were collected and analyzed for concentrations of E. coli and...
Effects of life history and reproduction on recruitment time lags in reintroductions of rare plants
Matthew A. Albrecht, Oyomoare L. Osazuwa-Peters, Joyce Maschinski, Timothy J. Bell, Marlin L. Bowles, William E. Brumback, Janice Duquesnel, Michael Kunz, Jimmy Lange, Kimberlie A. McCue, Kathryn McEachern, Sheila Murray, Peggy Olwell, Noel B. Pavlovic, Cheryl L. Peterson, Jennifer Possley, John L. Randall, Samuel J. Wright
2019, Conservation Biology (33) 601-611
Reintroductions are important components of conservation and recovery programs for rare plant species, but their long‐term success rates are poorly understood. Previous reviews of plant reintroductions focused on short‐term (e.g., ≤3 years) survival and flowering of founder individuals rather than on benchmarks of intergenerational persistence, such as seedling recruitment. However,...
Landsat: The cornerstone of global land imaging
Ginger Butcher, Christopher Barnes, Linda Owen
2019, GIM International (January/February 2019) 31-35
Since 1972, the joint NASA/ U.S. Geological Survey Landsat series of Earth Observation satellites have provided an uninterrupted space-based data record of the Earth’s land surface to help advance scientific research towards the understanding of our planet and the environmental impact of its inhabitants. Early Landsat satellites offered a wealth...
Diurnal habitat selection of migrating Whooping Crane in the Great Plains
David M. Baasch, Patrick D. Farrell, Aaron T. Pearse, David A. Brandt, Andrew J. Caven, Mary J. Harner, Greg D. Wright, Kristine L. Metzger
2019, Avian Conservation and Ecology (14) 1-14
Available stopover habitats with quality foraging opportunities are essential for migrating waterbirds, including Whooping Crane (Grus americana). Several studies have evaluated habitats used by Whooping Crane for roosting throughout its migration corridor; however, habitats associated with foraging and other diurnal activities have received less attention. We used data collected from...
Disease‐structured N‐mixture models: A practical guide to model disease dynamics using count data
Graziella V. DiRenzo, Christian Che-Castaldo, Sarah P. Saunders, Evan H. Campbell Grant, Elise F. Zipkin
2019, Ecology and Evolution (9) 899-909
Obtaining inferences on disease dynamics (e.g., host population size, pathogen prevalence, transmission rate, host survival probability) typically requires marking and tracking individuals over time. While multistate mark–recapture models can produce high‐quality inference, these techniques are difficult to employ at large spatial and long temporal scales or in small remnant host...
Combining dynamic rupture simulations with ground motion data to characterize seismic hazard from Mw 3-5.8 earthquakes in Oklahoma and Kansas
Samuel Bydlon, Kyle Withers, Eric M. Dunham
2019, Bulletin of the Seismological Society of America (109) 652-671
Many seismically active areas suffer from a lack of near‐source ground‐motion recordings, making ground‐motion prediction difficult at distances within ∼40  km">∼40 km∼40 km from an earthquake. We aim to aid the development...
Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012
Jana S. Stewart, Gregory E. Schwarz, John W. Brakebill, Stephen D. Preston
2019, Scientific Investigations Report 2018-5145
Nutrient inputs from commercial agricultural fertilizer, particularly nitrogen and phosphorus, are important factors contributing to the degradation of surface-water quality and the alteration of aquatic ecosystems. Despite this importance, information about the application of fertilizer to agricultural land is not available in a consistent manner across the United States at...
Shallow geology, sea-floor texture, and physiographic zones of the inner continental shelf from Aquinnah to Wasque Point, Martha’s Vineyard, and Eel Point to Great Point, Nantucket, Massachusetts
Elizabeth A. Pendleton, Wayne E. Baldwin, Seth D. Ackerman, David S. Foster, Brian D. Andrews, William C. Schwab, Laura L. Brothers
2019, Open-File Report 2018-1181
A series of interpretive maps that describe the shallow geology, distribution, and texture of sea-floor sediments, and physiographic zones of the sea floor along the south and west shores of Martha’s Vineyard and the north shore of Nantucket, Massachusetts, were produced by using high-resolution geophysical data (interferometric and multibeam swath...
Toxicokinetics of imidacloprid-coated wheat seeds in Japanese quail (Coturnix japonica) and an evaluation of hazard
Thomas G. Bean, Michael S. Gross, Natalie Karouna-Renier, Paula F. P. Henry, Sandra L. Schultz, Michelle L. Hladik, Kathryn Kuivila, Barnett A. Rattner
2019, Environmental Science & Technology (53) 3888-3897
Birds are potentially exposed to neonicotinoid insecticides by ingestion of coated seeds during crop planting. Adult male Japanese quail were orally dosed with wheat seeds coated with an imidacloprid (IMI) formulation at either 0.9 mg/kg body weight (BW) or 2.7 mg/kg BW (~3 and 9% of IMI LD50 for Japanese...
Modeling riparian restoration impacts on the hydrologic cycle at the Babacomari Ranch, SE Arizona, USA
Laura M. Norman, James B. Callegary, Laurel Lacher, Natalie R. Wilson, Chloé Fandel, Brandon T. Forbes, Tyson Swetnam
2019, Water (11) 1-20
This paper describes coupling field experiments with surface and groundwater modeling to investigate rangelands of SE Arizona, USA using erosion-control structures to augment shallow and deep aquifer recharge. We collected field data to describe the physical and hydrological properties before and after gabions (caged riprap) were installed in an ephemeral...
