Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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MTH5: An archive and exchangeable data format for magnetotelluric time series data MTH5: An archive and exchangeable data format for magnetotelluric time series data
Magnetotellurics (MT) is a passive electromagnetic geophysical method that measures variations in subsurface electrical resistivity. MT data are collected in the time domain and processed in the frequency domain to produce estimates of a transfer function representing the Earth’s electrical structure. Unfortunately, the MT community lacks metadata and data standards for time series data...
Authors
Jared R. Peacock, Karl Kappler, Lindsey Heagy, Timothy Ronan, Anna Kelbert, Andrew Frassetto
Using near–surface temperature data to vicariously calibrate high-resolution thermal infrared imagery and estimate physical surface properties Using near–surface temperature data to vicariously calibrate high-resolution thermal infrared imagery and estimate physical surface properties
Thermal response of the surface to solar insolation is a function of the topography and the thermal physical characteristics of the landscape, which include bulk density, heat capacity, thermal conductivity and surface albedo and emissivity. Thermal imaging is routinely used to constrain thermal physical properties by characterizing or modeling changes in the diurnal temperature profiles...
Authors
Timothy N. Titus, J. Judson Wynne, M.D. Jhabvala, N. A. Cabrol
Informing management of Henrys Lake, Idaho using an integrated catch-at-age model Informing management of Henrys Lake, Idaho using an integrated catch-at-age model
Henrys Lake, Idaho, supports a popular fishery for Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri and Yellowstone Cutthroat Trout × Rainbow Trout O. mykiss hybrids. A majority of the adult population of fish in Henrys Lake are of hatchery origin that were stocked as fingerlings. The fishery is closed to angling during the late winter and spring months, but fisheries managers...
Authors
Joshua L McCormick, Jennifer Vincent, Brett High, Darcy K. McCarrick, Michael C. Quist
Gene pool boundaries for the Yosemite toad (Anaxyrus canorus) reveal asymmetrical migration within meadow neighborhoods Gene pool boundaries for the Yosemite toad (Anaxyrus canorus) reveal asymmetrical migration within meadow neighborhoods
The Yosemite toad (Anaxyrus [Bufo] canorus) is a federally threatened species of meadow-specializing amphibian endemic to the high-elevation Sierra Nevada Mountains of California. The species is one of the first amphibians to undergo a large demographic collapse that was well-documented, and is reputed to remain in low abundance throughout its range. Recent phylogeographic work has...
Authors
Paul A. Maier, Amy G. Vandergast, Steven M. Ostoja, Andres Aguilar, Andrew J. Bohonak
Commentary: Dryland watershed restoration with rock detention structures: A nature-based solution to mitigate drought, erosion, flooding, and atmospheric carbon Commentary: Dryland watershed restoration with rock detention structures: A nature-based solution to mitigate drought, erosion, flooding, and atmospheric carbon
No abstract available.
Authors
Laura M. Norman
Can grazing by elk and bison stimulate herbaceous plant productivity in semiarid ecosystems? Can grazing by elk and bison stimulate herbaceous plant productivity in semiarid ecosystems?
Plant communities in rangeland ecosystems vary widely in the degree to which they can compensate for losses to herbivores. Ecosystem-level factors have been proposed to affect this compensatory capacity, including timing and intensity of grazing, and availability of soil moisture and nutrients. Arid ecosystems are particularly challenging to predict because of their high degree of...
Authors
Kathryn A. Schoenecker, Linda Zeigenfuss, David J. Augustine
On the potential for remote observations of coastal morphodynamics from surf-cameras On the potential for remote observations of coastal morphodynamics from surf-cameras
Recreational surf-cameras (surfcams) are ubiquitous along many coastlines, and yet are a largely untapped source of coastal morphodynamic observations. Surfcams offer broad spatial coverage and flexibility in data collection, but a method to remotely acquire ground control points (GCPs) and initial camera parameter approximations is necessary to better leverage this existing...
Authors
Matthew P. Conlin, Peter N. Adams, Margaret L. Palmsten
Fort Stanton cave science conference field guide Fort Stanton cave science conference field guide
No abstract available.
Authors
Steve Peerman, Johanna Blake, Christina L. Ferguson, Penelope J. Boston, Cynthia Connolly, K. E. Miltenberger, Talon Newton, Mike Spilde
Updates to and applications of the USGS National Crustal Model for seismic hazard studies Updates to and applications of the USGS National Crustal Model for seismic hazard studies
The U.S. Geological Survey (USGS) National Crustal Model (NCM) is being developed to assist in the modeling of seismic hazards across the conterminous United States. The NCM is composed of a grid of geophysical profiles, extending from the Earth’s surface into the upper mantle. It is constructed from a 3D geologic framework and geophysical rules defined by: (1) a petrologic and mineral...
Authors
Oliver S. Boyd
Young basalt fields of the Mojave Desert Young basalt fields of the Mojave Desert
Basalt, a mafic volcanic rock common in mid-ocean islands and in several continental settings, is melted from upper mantle rocks in many cases and thus provides information on mantle conditions. Basalt lava fields, some decorated with cinder cones, are scattered around the Mojave Desert. Only a few basalt fields have been well studied, so we undertook a compilation of basalt fields that...
Authors
David M. Miller, David C. Buesch
Post-Early Miocene silicic volcanism in the northern Mojave Desert, California Post-Early Miocene silicic volcanism in the northern Mojave Desert, California
Silicic volcanism that postdates widespread early Miocene volcanism in the Mojave Desert is underappreciated. We compiled age, petrographic, and geochemical data for volcanic rocks in a wide swath of the desert south of the Garlock fault using an age threshold of post-18.8 Ma, approximately the limit of the earlier Miocene volcanism as marked by the eruption of the widespread Peach...
Authors
David M. Miller, Phillip B Gans, Tracey J. Felger, Jorge A. Vazquez
Results of the collaborative Lake Ontario bloater restoration stocking and assessment, 2012–2020 Results of the collaborative Lake Ontario bloater restoration stocking and assessment, 2012–2020
Bloater, Coregonus hoyi, are deepwater planktivores native to the Laurentian Great Lakes and Lake Nipigon. Interpretations of commercial fishery time series suggest they were common in Lake Ontario through the early 1900s but by the 1950s were no longer captured by commercial fishers. Annual bottom trawl surveys that began in 1978 and sampled extensively across putative bloater habitat...
Authors
Brian Weidel, Amanda Susanne Ackiss, Marc Chalupnicki, Michael Connerton, Steve Davis, John M. Dettmers, Timothy Drew, Aaron T. Fisk, Roger Gordon, S. Dale Hanson, Jeremy Holden, Mark E. Holey, James H. Johnson, Timothy B. Johnson, Colin Lake, Brian F. Lantry, Kevin Loftus, Gregg Mackey, James E. McKenna, Michael J. Millard, Scott P. Minihkeim, Brian O’Malley, Adam Rupnik, Andrew C. Todd, Steven Lapan