Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

41062 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 165, results 4101 - 4125

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Multispecies approaches to status assessments in support of endangered species classifications
Daniel Bruce Fitzgerald, Mary Freeman, Kelly O. Maloney, John A. Young, Amanda E. Rosenberger, David C. Kazyak, David R. Smith
2022, Conservation Science and Practice (4)
Multispecies risk assessments have developed within many international conservation programs, reflecting a widespread need for efficiency. Under the United States Endangered Species Act (ESA), multispecies assessments ultimately lead to species-level listing decisions. Although this approach provides opportunities for improved efficiency, it also risks overwhelming or biasing the assessment process and...
Creep rate models for the 2023 US National Seismic Hazard Model: Physically constrained inversions for the distribution of creep on California faults
K. M. Johnson, Jessica R. Murray, Crystal Wespestad
2022, Seismological Research Letters (93) 3151-3169
Widespread surface creep is observed across a number of active faults included in the United States (US) National Seismic Hazard Model (NSHM). In northern California, creep occurs on the central section of the San Andreas fault, along the Hayward and Calaveras faults through the San Francisco Bay Area, and to...
Exposure to 17α-ethinylestradiol results in differential susceptibility of largemouth bass (Micropterus salmoides) to bacterial infection
Jessica Kristin Leet, Justin Greer, Cathy A. Richter, Luke R. Iwanowicz, Edward Spinard, Jacquelyn McDonald, Carla M. Conway, Robert W. Gale, Donald E. Tillitt, John D. Hansen
2022, Environmental Science and Technology (56) 14375-14386
Disease outbreaks, skin lesions, mortality events, and reproductive abnormalities have been observed in wild populations of centrarchids. The presence of estrogenic endocrine disrupting compounds (EEDCs) has been implicated as a potential causal factor for these effects. The effects of prior EEDC exposure on immune response were examined in juvenile largemouth...
Evolutionary dynamics inform management interventions of a hanging garden obligate, Carex specuicola
Kenneth James Chapin, Matthew R Jones, Daniel E. Winkler, Glenn Rink, Robert Massatti
2022, Frontiers in Conservation Science (3)
Uncovering the historical and contemporary processes shaping rare species with complex distributions is of growing importance due to threats such as habitat destruction and climate change. Species restricted to specialized, patchy habitat may persist by virtue of life history characteristics facilitating ongoing gene flow and dispersal, but they could also...
A fault‐based crustal deformation model with deep driven dislocation sources for the 2023 update to the U.S. National Seismic Hazard Model
Yuehua Zeng
2022, Seismological Research Letters (93) 3170-3185
A fault‐based crustal deformation model with deep driven dislocation sources is applied to estimate long‐term on‐fault slip rates and off‐fault moment rate distribution in the western United States (WUS) for the 2023 update to the National Seismic Hazard Model (NSHM). This model uses the method of Zeng...
Regional models do not outperform continental models for invasive species
Catherine S. Jarnevich, Helen R. Sofaer, Peder Engelstad, Pairsa Belamaric
2022, NeoBiota (77) 1-22
Aim: Species distribution models can guide invasive species prevention and management by characterizing invasion risk across space. However, extrapolation and transferability issues pose challenges for developing useful models for invasive species. Previous work has emphasized the importance of including all available occurrences in model estimation, but managers attuned to...
Hurdles to developing quantitative decision support for Endangered Species Act resource allocation
Gwenllian D. Iacona, Stephanie Avery-Gomm, Richard F. Maloney, James Brazill-Boast, Deborah T. Crouse, C Ashton Drew, Rebecca S. Epanchin-Niell, Sarah B. Hall, Lynn A. Maguire, Tim Male, Jeff Newman, Hugh P. Possingham, Libby Rumpff, Michael C. Runge, Katherine C B Weiss, Robyn S. Wilson, Marilet A. Zablan, Leah R. Gerber
2022, Frontiers in Conservation Science (3)
The U.S. Fish and Wildlife Service oversees the recovery of many species protected by the U.S. Endangered Species Act (ESA). Recent research suggests that a structured approach to allocating conservation resources could increase recovery outcomes for ESA listed species. Quantitative approaches to decision support can efficiently allocate limited financial...
Last Glacial Maximum and early deglaciation in the Stura Valley, southwestern European Alps
Adriano Ribolini, Matteo Spagnolo, Andrew J. Cyr, Paolo Roberto Federici
2022, Quaternary Science Reviews (295)
We combined data from geomorphologic surveys, glacial modelling, and 10Be exposure ages of boulders on moraines, to investigate the Last Glacial Maximum (LGM) and the early retreat glacial phases in the Stura Valley of the Maritime Alps. We used the exposure ages to reconstruct the timing of standstills or readvances which interrupted the...
Evaluation of the Bushy Park Reservoir three-dimensional hydrodynamic and water-quality model, South Carolina, 2012–15
Erik A. Smith, Madhu Akasapu-Smith, Matthew D. Petkewich, Paul A. Conrads
2022, Open-File Report 2022-1079
The Bushy Park Reservoir is a relatively shallow impoundment in southeastern South Carolina. The reservoir, located under a semi-tropical climate, is the principal water supply for the city of Charleston, South Carolina, and the surrounding areas including the Bushy Park Industrial Complex. Although there was an adequate supply of freshwater...
Barrier islands influence the assimilation of terrestrial energy in nearshore fishes
Ashley E. Stanek, Vanessa R. von Biela, Sarah M. Laske, Rebecca L. Taylor, Kenneth H. Dunton
2022, Estuarine, Costal and Shelf Science (278)
We examined the relative importance of landscape features on estuarine fish trophic structure and dependence on terrestrial organic matter (OMterr) in four barrier island lagoon systems along the Alaskan Beaufort Sea coast. Our study compared two relatively large lagoon systems characterized by high river...
Small anthropogenic landforms from past charcoal production control moisture dynamics and chemistry in northcentral Appalachian soils
S. Bayuzick, D. Guarin, A. Bonhage, F. Hirsch, Duane R. Diefenbach, M. McDill, T. Raab, P.J. Drohan
2022, Geomorphology (415)
Throughout the northeastern United States (U.S.) and Europe, relict charcoal hearths (RCHs) are regularly being discovered in proximity to furnaces once used for the extraction of metal from ore or quick-lime production; charcoal produced in hearths was used as a furnace fuel. Given previous research has shown that topographic and...
Waveform signatures of earthquakes located close to the subducted Gorda Plate interface
Jianhua Gong, Jeffrey J. McGuire
2022, Bulletin of the Seismological Society of America (112) 2440-2453
Complex seismic velocity structure near the earthquake source can affect rupture dynamics and strongly modify the seismic waveforms recorded near the fault. Fault‐zone waves are commonly observed in continental crustal settings but are less clear in subduction zones due to the spatial separation between seismic stations and the plate boundary...
Climate and land use driven ecosystem homogenization in the Prairie Pothole Region
Kyle McLean, David M. Mushet, Jon Sweetman
2022, Water (14)
The homogenization of freshwater ecosystems and their biological communities has emerged as a prevalent and concerning phenomenon because of the loss of ecosystem multifunctionality. The millions of prairie-pothole wetlands scattered across the Prairie Pothole Region (hereafter PPR) provide critical ecosystem functions at local, regional, and continental scales. However, an estimated...
Puget Sound Spatially Referenced Regression on Watershed Attributes (SPARROW)
Cristiana Figueroa-Kaminsky, Jamie K. Wasielewski, Sheelagh McCarthy, Noah M. Schmadel, Daniel R. Wise, Zachary Johnson, Robert W. Black
2022, Quality Assurance Project Plan 22-03-109
The United States Geological Survey (USGS) and the Washington State Department of Ecology (Ecology) are collaborating on the development of refined, seasonal load estimates of total nitrogen and total phosphorus within watersheds draining to Washington waters of the Salish Sea for the period 2005-2020. The modeling approach for this work...
Survival and growth of four floodplain forest species in an Upper Mississippi River underplanting
Marcella Windemuller-Campione, Molly Van Appledorn, Andrew R. Meier, Laura F. Reuling
2022, Tree Planters Notes (65) 87-97
Forest restoration efforts commonly occur in degraded ecosystems. For the floodplain forests of the Upper Mississippi River, the combination of aging canopy trees and expansion of invasive species such as reed canary grass (Phalaris arundinacea L.) can shift forested ecosystems to open meadows. Before this shift occurs, there may be...
Using Landsat and MODIS satellite collections to examine extent, timing, and potential impacts of surface water inundation in California croplands☆
Britt Windsor Smith, Christopher E. Soulard, Jessica J. Walker, Anne Wein
2022, Remote Sensing Applications: Society and Environment (28)
The state of California, United States of America produces many crop products that are both utilized domestically and exported throughout the world. With nearly 39,000 km2 of croplands, monitoring unintentional and intentional surface water inundation is important for <a class="topic-link" title="Learn more about water...
Assessing the impact of chloride deicer application in the Siskiyou Pass, southern Oregon
Adam J. Stonewall, Matthew C. Yates, Gregory E. Granato
2022, Scientific Investigations Report 2022-5091
Chloride deicers have been applied by the Oregon Department of Transportation (ODOT) to Interstate Route 5 (I–5) from the Oregon-California border north to mile marker 10 for several years in the high-elevation area known as the Siskiyou Pass. Magnesium chloride (MgCl2) and sodium chloride (NaCl) are applied to...
Lateral moraines, ice-dammed lakes, and meltwater-carved channels in the Pelham, Shutesbury, Leverett area of west-central Massachusetts: A record of Connecticut Valley ice lobe retreat
Janet R. Stone, Mary L. DiGiacomo-Cohen
2022, Conference Paper, Guidebook for field trips in Massachusetts and surrounding area
Temporary ice-dammed glacial lakes formed high in the landscape in several westward sloping valleys on the east side of the Connecticut Valley lowland during late Wisconsinan deglaciation. These lakes were impounded by a lengthy lobe of ice that extended farther south in the lowland than at upland retreatal ice-margin positions...
Snake River fall Chinook salmon research and monitoring
Kenneth F. Tiffan, editor(s)
2022, Report
In 2021, the U.S. Geological Survey (USGS) focused adult salmon survey efforts in the Snake River on deepwater redd searches and fish collection for parentage-based tagging (PBT) analyses. We use used a boat-mounted underwater video camera to count 93 deepwater redds at 17 of the 28 sites surveyed. Redd depths...
Toward next-generation lava flow forecasting: Development of a fast, physics-based lava propagation model
David M.R. Hyman, Hannah R. Dietterich, Matthew R. Patrick
2022, Journal of Geophysical Research - Solid Earth (127)
During effusive volcanic crises, the eruption and propagation of lava flows pose a significant hazard to nearby populations, homes, and infrastructure. Consequently, timely lava flow forecasts are a critical need for volcano observatory and emergency management operations. Previous lava flow modeling tools are typically either too slow to produce timely...
Modeling protected species distributions and habitats to inform siting and management of pioneering ocean industries: A case study for Gulf of Mexico aquaculture
Nicholas A Farmer, Jessica R Powell, James A Morris, Melissa S Soldevilla, Lisa C. Wickliffe, Jonathan A Jossart, Jonathan K MacKay, Alyssa L Randall, Gretchen E Bath, Penny Ruvelas, Laura Gray, Jennifer Lee, Wendy Piniak, Lance Garrison, Robert Hardy, Kristen Hart, Christopher Sasso, Lesley Stokes, Kenneth L Riley
2022, PLoS ONE (17)
Marine Spatial Planning (MSP) provides a process that uses spatial data and models to evaluate environmental, social, economic, cultural, and management trade-offs when siting (i.e., strategically locating) ocean industries. Aquaculture is the fastest-growing food sector in the world. The United States (U.S.) has substantial opportunity for offshore aquaculture development given...
HydroBench: Jupyter supported reproducible hydrological model benchmarking and diagnostic tool
Edom Moges, Benjamin Ruddell, Liang Zhang, Jessica M. Driscoll, Parker A. Norton, Fernando Perez, Laurel Larsen
2022, Frontiers in Earth Sciences (10)
Evaluating whether hydrological models are right for the right reasons demands reproducible model benchmarking and diagnostics that evaluate not just statistical predictive model performance but also internal processes. Such model benchmarking and diagnostic efforts will benefit from standardized methods and ready-to-use toolkits. Using the Jupyter platform, this work...
Geologic models underpinning the 2018 US Geological Survey assessment of hydrocarbon resources in the Eagle Ford Group and associated Cenomanian–Turonian strata, United States Gulf Coast, Texas
Katherine J. Whidden, Janet K. Pitman, Heidi M. Leathers-Miller, Ofori N. Pearson, Nicholas J. Gianoutsos, Scott A. Kinney, Justin E. Birdwell, Stanley T. Paxton, Lauri A. Burke, Russell F. Dubiel
2022, AAPG Bulletin (106) 1625-1652
The availability of new geologic and production data has greatly increased since 2010, when the US Geological Survey (USGS) last assessed undiscovered, technically recoverable oil and gas resources in the Cenomanian–Turonian (CT) Eagle Ford Group (EFG) across Texas. This new information facilitated an updated assessment of undiscovered continuous oil...
Modflow-setup: Robust automation of groundwater model construction
Andrew T. Leaf, Michael N. Fienen
2022, Frontiers in Earth Science (10)
In an age of both big data and increasing strain on water resources, sound management decisions often rely on numerical models. Numerical models provide a physics-based framework for assimilating and making sense of information that by itself only provides a limited description of the hydrologic system. Often, numerical...
Simulation of regional groundwater flow and groundwater/lake interactions in the Central Sands, Wisconsin
Michael N. Fienen, Megan J. Haserodt, Andrew T. Leaf, Stephen M. Westenbroek
2022, Scientific Investigations Report 2022-5046
A multiscale, multiprocess modeling approach was applied to the Wisconsin Central Sands region in central Wisconsin to quantify the connections between the groundwater system, land use, and lake levels in three seepage lakes in Waushara County, Wisconsin: Long and Plainfield (The Plainfield Tunnel Channel Lakes), and Pleasant Lakes. A regional...