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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Filter Total Items: 176717
Nearshore ecosystems in the Gulf of Alaska Nearshore ecosystems in the Gulf of Alaska
No abstract available.
Authors
Heather Coletti, Sarah Beth Traiger, Katrin Iken, Brenda Konar, Brenda Ballachey, James L. Bodkin, George G. Esslinger, Kimberly A. Kloecker
Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (Limosa haemastica) nest survival Nest site and habitat changes over 15 years in a predicted climate refugium in Beluga, AK, USA, have a positive impact on Hudsonian godwit (Limosa haemastica) nest survival
Climate change is transforming the Arctic and sub-Arctic at a pace that threatens many taxa with population declines and extinction. However, some habitats–such as muskeg bogs–can serve as climatic refugia and lessen the effects of a changing climate on the species that rely on them. Hudsonian Godwits (Limosa haemastica) are a species of migratory shorebird that utilizes the muskeg bogs...
Authors
Eden Smith, Rose J. Swift, Anna Courtemanche, Feipeng Huang, Mary Margaret Pelton, Lauren Puleo, Josiah Simmonds, Matthew Waller, Hannah Walton, Casey Weissburg, Luke R. Wilde, Nathan R. Senner
Net CO2 emissions from dry inland waters persist in the presence of vegetation Net CO2 emissions from dry inland waters persist in the presence of vegetation
Many inland waters are shrinking due to shifts in climate and water diversion for human uses. As they dry out, their exposed sediments emit large amounts of carbon dioxide (CO2) to the atmosphere. However, current global estimates of CO2 emissions from dry inland waters are derived exclusively from bare sediment dark-chamber measurements that do not account for the colonization of...
Authors
K. Sharma, Soren Brothers, S. Bernal, Núria Catalán, P. Keller, M. Koschorreck, S. Kosten, C. Leigh, D. von Schiller, A. Pastor, A. Larrañaga, A. Ari, A. Camacho-Santamans, A. Grinham, A. Lupon, A. Linkhorst, A. Elosegi, B. Obrador, B. D. Eyre, C. Trochine, C. C. Muniz, C. Feijoo, C. Duvert, E. Moreno-Ostos, E. Jacqueline Garcia, E. S. Oliveria, F. Cuassolo, H. R. Fernandez, J. Yeo, J. Oakes, J. R. Paranaíba, J. Pegg, J. Anselmo, J. J. Montes-Perez, L. van den Heuvel, L. Ran, L. L. Wilkinson, L. Gomez-Gener, M. Arroita, M. Shanafield, M. L. Gultemirian, M. I. Arce, M. Cobo, M. M. Sanchez-Montoya, N. Barros, N. Wells, N. Karakaya, P. Erturk Ari, Q. Struik, R. Aben, R. Rimas, S. Kumar, Sheel Bansal, S. Sarkar, S. Rodriguez-Gomez, T. Huang, T. Silverthorn, T. Datry, V. Diaz Villanueva, R. Marce
Net widening of Southern California beaches Net widening of Southern California beaches
Human impacts from dams reduce river sediment fluxes and are primary causes of coastal erosion worldwide. Here we provide new satellite-derived shoreline observation techniques to examine beach area trends across the diverse coastal settings of California. Contrary to global trends, these data reveal that the most heavily urbanized and dammed region of southern California experienced net...
Authors
Jonathan A. Warrick, Kilian Vos, Daniel D. Buscombe, Andrew C. Ritchie, Sean Vitousek, Teresa Hachey, Brett Sanders
Network-wide assessment of soil water content calibration and sensitivity to biomass proxies using cosmic-ray neutron sensing in the Roaring Fork Basin, Colorado Network-wide assessment of soil water content calibration and sensitivity to biomass proxies using cosmic-ray neutron sensing in the Roaring Fork Basin, Colorado
Soil water content (SWC) is a key state variable of the climate system but is often uncertain in water balance monitoring, especially in alpine environments. SWC measurements can be challenging in alpine environments due to the topography and rocky soils. In 2022, the US Geological Survey's Next Generation Water Observing System Program began research to evaluate water balance monitoring
Authors
Sophia Becker, Gwendolyn Elizabeth Davies, Trenton E. Franz, Tyler Dunham Lampard, Todd Caldwell
Neutron scattering reveals fractionation of natural gas mixtures in unconventional petroleum reservoir pores: Perspectives on energy resource recovery and storage Neutron scattering reveals fractionation of natural gas mixtures in unconventional petroleum reservoir pores: Perspectives on energy resource recovery and storage
In unconventional petroleum reservoirs hydrocarbon fluids are hosted by both mineral and organic matter pores. These pores can have diameters that range from microns to less than a single nanometer and, for unconventional reservoirs, there is evidence that small pores (
Authors
Aaron M. Jubb, Justin E. Birdwell, Leslie F. Ruppert, Martha Stokes, Ashton M. Wiens, Thomas Headen, Tristan G. A. Youngs
New constraints on northeast Seattle basin structure from converted seismic waves New constraints on northeast Seattle basin structure from converted seismic waves
The Seattle basin is a deep sedimentary basin in the Seattle–Bellevue, Washington metropolitan area within the Puget Lowland of Washington State. We determine the structure of a portion of the basin and the underlying basement using analysis of P waves converted from direct S incident from below. A deep local crustal event beneath Monroe, about 35 km northeast of Seattle, was recorded by...
Authors
Frederick Pollitz, Ian P. Stone, Audrey M. Dunham, Erin A. Wirth
New measurements indicate that natural geologic methane emissions from microseepage in the Michigan Basin are likely negligible New measurements indicate that natural geologic methane emissions from microseepage in the Michigan Basin are likely negligible
The magnitude of natural geologic methane (CH4) emissions to the atmosphere (including emissions of fossil CH4 from offshore and onshore gas and oil seeps, diffuse microseepage, mud volcanoes, volcanic vents, and geothermal areas) is highly uncertain. The largest component of geologic emissions is thought to be microseepage, which is the diffuse flux of CH4 from soils across large areas...
Authors
Kathleen R. Hall, Thomas S. Weber, Marika P. Stock, Marc L. Buursink, Haoran Piao, Mingzhe Zhu, Katey M. Walter-Anthony, Vasilii V. Petrenko
New methods provide a 300–year perspective on modern area burned in two wilderness areas of the southwest United States New methods provide a 300–year perspective on modern area burned in two wilderness areas of the southwest United States
Climate change, expanding human ignitions, and increased fuels from fire exclusion are driving increases in area burned and fire severity in dry conifer forests of the western United States. Increasing area burned is occurring against the backdrop of a large fire deficit caused by over a century of fire exclusion. A key land management question is whether historically frequent fire...
Authors
Calvin A. Farris, Ellis Q. Margolis, Jose Iniguez, D.A. Falk, K. Gerow, C. H. Baisan, C.D. Allen, T.W. Swetnam
Non-native invasive beetle alters structure of a riparian bird community in a biodiversity hotspot Non-native invasive beetle alters structure of a riparian bird community in a biodiversity hotspot
A serious emerging threat to southern California riparian ecosystems is the invasive shot hole borer (Euwallacea spp.; SHB), a non-native beetle that cultivates a pathogenic fungus that kills trees of 66 reproductive host species. We examined the response of the bird community at the Tijuana River, California, to a massive SHB infestation in 2015 using data from a Monitoring Avian...
Authors
Barbara E. Kus, Julie L. Yee, Shannon M. Mendia
Non-physical barrier design and environmental conditions alter routing and survival of juvenile Chinook salmon (Oncorhynchus tshawytscha) in the Sacramento-San Joaquin River Delta Non-physical barrier design and environmental conditions alter routing and survival of juvenile Chinook salmon (Oncorhynchus tshawytscha) in the Sacramento-San Joaquin River Delta
Pacific salmon face substantial challenges when migrating through anthropogenically modified river systems, such as the Sacramento-San Joaquin River Delta (the Delta). Non-physical behavioral barriers, such as the bioacoustic fish fence (BAFF), are one potential solution for guiding fish away from hazards without obstructing water flow. However, the effectiveness of these technologies...
Authors
Maggie Jo Raboin, Summer M. Burdick, Russell W. Perry
Nonstationary demographic state-space models using unreplicated counts for species undergoing environmental stressors Nonstationary demographic state-space models using unreplicated counts for species undergoing environmental stressors
A fundamental task in ecological statistics is to estimate abundance and growth rate distributions from wildlife monitoring data to inform conservation management. Modeling time series of wildlife populations presents a number of challenges from both statistical and ecological perspectives, including discreteness; lack of replication; nonstationarity; and observation, demographic, and...
Authors
Ashton M. Wiens, Teresa Frances Bohner, Bradley James Udell, Wayne E. Thogmartin