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A framework for understanding the effects of subsurface agricultural drainage on downstream flows
Understanding controls on streamflow volume and magnitude is important to water resource management applications, such as critical water and transportation structure design and floodplain mapping. Changes in land use and agricultural practices, such as subsurface agricultural drainage, may be contributing to changes in streamflow characteristics. Subsurface agricultural drainage, also...
Authors
Hannah L. Podzorski, Karen R. Ryberg
Assessment of undiscovered conventional and continuous oil and gas resources in the Escondido, Olmos, and San Miguel Formations of the Western Gulf Basin Province, U.S. Gulf Coast region, 2023
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 5 million barrels of oil and 25 billion cubic feet of gas in conventional reservoirs and 361 million barrels of oil and 10,978 billion cubic feet of gas in continuous reservoirs in the Western Gulf Basin Province of the U.S. Gulf Coast region.
Authors
William H. Craddock, John W. Counts, Colin A. Doolan, Marc L. Buursink, Celeste D. Lohr, Javin J. Hatcherian, Katherine L. French, Jared T. Gooley, Phuong A. Le, Tracey J. Mercier, Cheryl A. Woodall, Christopher J. Schenk
Evaluation of alternative coatings for U.S. Geological Survey water-quality samplers
Each year, U.S. Geological Survey (USGS) personnel collect approximately 52,000 water-quality samples from rivers and streams across the United States. Several samplers are used by the USGS for water-quality sample collection in riverine environments. These samplers are coated with Plasti Dip to protect the exterior of the sampler; however, Plasti Dip is susceptible to fraying and wear...
Authors
Alyssa M. Thornton
Gaps in water quality modeling of hydrologic systems
This review assesses gaps in water quality modeling, emphasizing opportunities to improve next-generation models that are essential for managing water quality and are integral to meeting goals of scientific and management agencies. In particular, this paper identifies gaps in water quality modeling capabilities that, if addressed, could support assessments, projections, and evaluations...
Authors
Lisa Lucas, Craig J. Brown, Dale M. Robertson, Nancy T. Baker, Zachary Johnson, Christopher Green, Se Jong Cho, Melinda L. Erickson, Allen C. Gellis, Jeramy Roland Jasmann, Noah Knowles, Andreas Prein, Paul Stackelberg
Development of species-specific primers for the identification of Atlantic and shortnose sturgeons
Atlantic (Acipenser oxyrinchus oxyrinchus) and shortnose sturgeon (Acipenser brevirostrum) are broadly distributed along the Atlantic Coast of North America, where they use rivers, estuaries, and coastal habitats. In order to support management under the U.S. Endangered Species Act, it is important to understand when and where these fish occur. However, this presents a challenge as the...
Authors
Miluska Olivera Hyde, David C. Kazyak
Anomalous shear stress variation in wet granular medium: Implications for landslide lateral faults
Landslide assessments typically focus on the mechanical properties of the basal shear zone, but lateral faults are frequently overlooked, possibly due to their lower normal stresses and variably saturated conditions. Using double-cylinder shear experiments on wet granular systems as analogs for landslide lateral faults, we observe anomalous shear stress variations with fluid volume...
Authors
Chengrui Chang, Kohei Ono, William Schulz, Tetsuo Yamaguchi
Estimation of baseflow and flooding characteristics for East Canyon Creek, Summit and Morgan Counties, Utah
An improved understanding of hydrologic responses to changing climatic conditions is needed to better inform water management practices. East Canyon Creek, a perennial, snowmelt-dominated stream in the Wasatch Mountains of northern Utah, is subjected to increasing development and demands on water in the Snyderville Basin and adjacent areas. In this study, streamflow and specific...
Authors
Jonathan Casey Root, Christine A. Rumsey
Volcanic gases reflect magma stalling and launching depths
Many open-vent arc volcanoes display two modes in their continuous gas emissions, one with a characteristic CO2/ ST ratio typical of periods of quiescent degassing and another punctuated by high CO2/ ST gas emitted in the weeks before eruption, a recently recognized eruption precursor. In this study we explore the origin of the two modes of degassing revealed by time-series gas data at...
Authors
Shuo Ding, Terry Plank, J. Maarten de Moor, Yves Moussallam, Maryjo Brounce, Peter J. Kelly
RIce-Net: Integrating ground-based cameras and machine learning for automated river ice detection
River ice plays a critical role in controlling streamflow in cold regions. The U.S. Geological Survey (USGS) qualifies affected water-level measurements and inferred streamflow by ice conditions at a date later than the day of the actual measurements. This study introduces a novel computer vision-based framework, River Ice-Network (RIce-Net), that uses the USGS nationwide network of...
Authors
Mahmoud Ayyad, Marouane Temini, Mohamed Abdelkader, Moheb Henein, Frank Engel, R. Russell Lotspeich, Jack R. Eggleston
From hydrated silica to quartz: Potential hydrothermal precipitates found in Jezero crater, Mars
On Earth, silica-rich phases from opal to quartz are important indicators and tracers of geological processes. Hydrated silica, such as opal, is a particularly good matrix for the preservation of molecular and macroscopic biosignatures. Cherts, a type of silica-dominated rocks, provide a unique archive of ancient terrestrial life while quartz is the emblematic mineral of the Earth's...
Authors
P.S.A. Beck, O. Beyssac, E. Dehouck, S. Bernard, M. Pineau, L. Mandon, C. Royer, E. Clave, S. Schroder, O. Forni, R. Francis, N. Mangold, C.C. Bedford, A.P. Broz, E.A. Cloutis, J.R. Johnson, F. Poulet, T. Fouchet, C. Quantin-Nataf, C. Pilorget, W. Rapin, P.-Y. Meslin, Travis S.J. Gabriel, G. Arana, J.M. Madariaga, A.J. Brown, S. Maurice, S.M. Clegg, O. Gasnault, A. Cousin, R.C. Wiens, The SuperCam Team
Effects of chronic metal exposure and metamorphosis on the microbiomes of larval and adult insects and riparian spiders through the aquatic-riparian food web
The macroinvertebrate microbiome controls various aspects of the host's physiology, from regulation of environmental contaminants to reproductive output. Aquatic insects provide critical nutritional subsidies linking aquatic and riparian food webs while simultaneously serving as a contaminant pathway for riparian insectivores in polluted ecosystems. Previous studies have characterized...
Authors
Brittany G. Perrotta, Karen A. Kidd, Amy M. Marcarelli, Gordon Paterson, David Walters
Characterizing Meteor Crater impact melts through geochemistry and textural analysis
The U.S. Geological Survey Astrogeology Science Center houses the Meteor Crater sample collection, an assemblage of over 2,500 meters of cuttings from 161 drill holes into Meteor Crater’s rim, flanks, and ejecta blanket. We have utilized this unique collection to study the composition and spatial distribution of impact-generated materials from within the ejecta blanket. Meteor Crater has...
Authors
Amber L. Gullikson, Tenielle A. Gaither, Justin J. Hagerty