Sources, fate, and flux of riverine solutes in the Southwest Yellowstone Plateau Volcanic Field, USA
R. Blaine McCleskey, Shaul Hurwitz, Erin B White, David A. Roth, David Susong, Jefferson Hungerford, Lonnie A. Olson
2020, Journal of Volcanology and Geothermal Research (403)
Since the 1970s, temporal variations of hydrothermal discharge and thermal output from the numerous hydrothermal features in the Yellowstone Plateau Volcanic Field (YPVF) have been studied by measuring the chloride flux in the major rivers. In this study, the sources, fate, and flux of solutes in the Fall River and...
Comparative performance and trend of remotely sensed phenology and productivity metrics across the Western United States
Tabitha A. Graves, Ethan Edward Berman, Nathaniel Mikle, Jerod Merkle, Aaron N. Johnston, Geneva W. Chong
2020, Remote Sensing (12)
Vegetation phenology and productivity play a crucial role in surface energy balance, plant and animal distribution, and animal movement and habitat use and can be measured with remote sensing metrics including start of season (SOS), peak instantaneous rate of green-up date (PIRGd), peak of...
Bidirectional connectivity via fish ladders in a large Neotropical river: Response to a comment
L.F. Celestino, F.J. Sanz-Ronda, Leandro E. Miranda, M. C. Makrakis, J. H. Pinheiro Dias, S. Makrakis
2020, River Research and Applications (36) 1377-1381
In a recent article, we described fitting electronic tags to the fish Prochilodus lineatus to document how a fishway connected aquatic habitats downstream and upstream of a major dam. Moreover, given that tagged fish remained upstream or downstream for periods extending months and years before returning to the fishway, and that observed...
Evaluation of acute and chronic toxicity of nickel and zinc to 2 sensitive freshwater benthic invertebrates using refined testing methods
Ning Wang, James L. Kunz, Danielle M. Cleveland, Jeffery A. Steevens, Edward J. Hammer, Eric Van Genderen, Adam C. Ryan, Christian E. Schlekat
2020, Environmental Toxicology and Chemistry (39) 2256-2268
The US Environmental Protection Agency (USEPA) is reviewing the protectiveness of the national ambient water quality criteria (WQC) for nickel (Ni) and zinc (Zn) and compiling toxicity databases to update the WQC. An amphipod (Hyalella azteca) and a unionid mussel (Lampsilis siliquoidea) have shown high sensitivity to Ni and Zn...
A hybrid approach for predictive soil property mapping using conventional soil survey data
Travis W. Nauman, Michael C. Duniway
2020, Soil Science Society of America Journal (84) 170-1194
Soil property maps are important for land management and earth systems modeling. A new hybrid point-disaggregation predictive soil property mapping strategy improved mapping in the Colorado River Basin, and can be applied to other areas with similar data (e.g. conterminous United States). This new approach increased sample size ~6-fold over...
Evaluation of genetic structuring within GIS‐derived Brook Trout management units
Lucas Nathan, Y. Kanno, Benjamin Letcher, Amy B. Welsh, Andrew R. Whiteley, Jason C. Vokoun
2020, Transactions of the American Fisheries Society (149) 681-694
Delineation of management units across broad spatial scales can help to visualize population structuring and identify conservation opportunities. Geographical information system (GIS) approaches can be useful for developing broad‐scale management units, especially when paired with field data that can validate the GIS‐based delineations. Genetic data can be useful for evaluating...
Methods for rapid quality assessment for national-scale land surface change monitoring
Qiang Zhou, Christopher P. Barber, George Z. Xian
2020, Remote Sensing (12)
Providing rapid access to land surface change data and information is a goal of the U.S. Geological Survey. Through the Land Change Monitoring, Assessment, and Projection (LCMAP) initiative, we have initiated a monitoring capability that involves generating a suite of ten annual land cover and land surface change datasets...
Generalized models to estimate carbon and nitrogen stocks of organic soil horizons in Interior Alaska
Kristen L. Manies, Mark Waldrop, Jennifer W. Harden
2020, Earth System Science Data (ESSD) (12) 1745-1757
Boreal ecosystems comprise one tenth of the world’s land surface and contain over 20 % of the global soil carbon (C) stocks. Boreal soils are unique in that its mineral soil is covered by what can be quite thick layers of organic soil. These organic soil layers, or horizons, can...
Steps taken for calculating estimated ultimate recoveries of wells in the Eagle Ford Group and associated Cenomanian–Turonian strata, U.S. Gulf Coast, Texas, 2018
Heidi M. Leathers-Miller
2020, Scientific Investigations Report 2020-5077
In 2018, the U.S. Geological Survey published an assessment of technically recoverable continuous oil and gas resources of the Eagle Ford Group and associated Cenomanian–Turonian strata in the U.S. Gulf Coast of Texas. Estimated ultimate recoveries (EURs) were calculated with production data from IHS MarkitTM using DeclinePlus software in the...
The catastrophic decline of tortoises at a fenced natural area
Kristin H. Berry, Julie L. Yee, Timothy A. Shields, Laura Stockton
2020, Wildlife Monographs (205) 1-53
Agassiz’s desert tortoise (Gopherus agassizii), a threatened species of the southwestern United States, has severely declined to the point where 76% of populations in critical habitat (Tortoise Conservation Areas) are below viability. The potential for rapid recovery of wild populations is low because females require 12–20 years to reach reproductive...
Water-level data for the Albuquerque Basin and adjacent areas, central New Mexico, period of record through September 30, 2019
Joseph E. Beman
2020, Data Series 1129
The Albuquerque Basin, located in central New Mexico, is about 100 miles long and 25–40 miles wide. The basin is hydrologically defined as the extent of consolidated and unconsolidated deposits of Tertiary and Quaternary age that encompasses the structural Rio Grande Rift between San Acacia to the south and Cochiti...
Adjusted geomagnetic data—Theoretical basis and validation
E. Joshua Rigler, Abram E. Claycomb
2020, Open-File Report 2020-1053
Adjusted geomagnetic data are magnetometer measurements with provisional correction factors applied such that vector quantities are oriented in a local Cartesian frame in which the X axis points north, the Y axis points east, and the Z axis points down. These correction factors are determined from so-called absolute measurements, which...
Fate and behavior tools related to inland spill response—Workshop on the U.S. Geological Survey’s role in Federal science support
Daniel J. Sullivan, Faith A. Fitzpatrick
2020, Open-File Report 2020-1063
Executive SummaryThere is a growing body of tools available for science support for determining the fate and behavior of industrial and agricultural chemicals that are rapidly injected (“spilled”) into aquatic environments. A 2-day roundtable-style workshop was held by the U.S. Geological Survey (USGS) in Middleton, Wisconsin, in December 2017 to...
Water resources of Evangeline Parish, Louisiana
Chid J. Murphy, Vincent E. White
2020, Fact Sheet 2020-3020
Information concerning the availability, use, and quality of water in Evangeline Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. In 2014, about 282.66...
Water resources of Avoyelles Parish, Louisiana
Vincent E. White
2020, Fact Sheet 2020-3011
Information concerning the availability, use, and quality of water in Avoyelles Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for stewardship of this vital resource. In 2014, about 70...
Passive acoustic monitoring effectively detects Northern Spotted Owls and Barred Owls over a range of forest conditions
Leila S. Duchac, Damon B. Lesmeister, Katie M. Dugger, Zachary J. Ruff, Raymond J. Davis
2020, Condor (122)
Passive acoustic monitoring using autonomous recording units (ARUs) is a fast-growing area of wildlife research especially for rare, cryptic species that vocalize. Northern Spotted Owl (Strix occidentalis caurina) populations have been monitored since the mid-1980s using mark–recapture methods. To evaluate an alternative survey method, we used ARUs to detect calls...
Ecological forecasting—21st century science for 21st century management
John B. Bradford, Jake Weltzin, Molly L. McCormick, Jill Baron, Zack Bowen, Sky Bristol, Daren M. Carlisle, Theresa Crimmins, Paul C. Cross, Joe DeVivo, Mike Dietze, Mary Freeman, Jason Goldberg, Mevin Hooten, Leslie Hsu, Karen Jenni, Jennifer L. Keisman, Jonathan G. Kennen, Kathy Lee, David P. Lesmes, Keith A. Loftin, Brian W. Miller, Peter S. Murdoch, Jana Newman, Karen L. Prentice, Imtiaz Rangwala, Jordan Read, Jennifer Sieracki, Helen Sofaer, Steve Thur, Gordon Toevs, Francisco Werner, C. LeAnn White, Timothy White, Mark T. Wiltermuth
2020, Open-File Report 2020-1073
Natural resource managers are coping with rapid changes in both environmental conditions and ecosystems. Enabled by recent advances in data collection and assimilation, short-term ecological forecasting may be a powerful tool to help resource managers anticipate impending near-term changes in ecosystem conditions or dynamics. Managers may use the information in...
A global shape model for Saturn's moon Enceladus from a dense photogrammetric control network
Michael T. Bland, Lynn A. Weller, David Mayer, Brent A. Archinal
2020, Conference Paper, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
A planetary bodys global shape provides both insight into its geologic evolution, and a key element of any Planetary Spatial Data Infrastructure (PSDI). NASAs Cassini mission to Saturn acquired more than 600 moderate- to high-resolution images (< 500 m/pixel) of the small, geologically active moon Enceladus. The moons internal global...
FLOwPER user guide—For collection of FLOw PERmanence field observations
Kristin L. Jaeger, Jonathan Burnett, Emily D. Heaston, Steve M. Wondzell, Nathan Chelgren, Jason B. Dunham, Sherri Johnson, Mike Brown
2020, Open-File Report 2020-1075
The accurate mapping of streams and their streamflow conditions in terms of presence or absence of surface water is important to both understanding physical, chemical, and biological processes in streams and to managing land, water, and ecological resources. This document describes a field form, FLOwPER (FLOw PERmanence), available within a...
Mineral resource database for deposits related to the Mesoproterozoic Midcontinent Rift System, United States and Canada
Laurel G. Woodruff, Klaus J. Schulz, Connie L. Dicken, Suzanne W. Nicholson
2020, Open-File Report 2020-1069
The Midcontinent Rift System (MRS) of North America is one of the world’s largest continental rifts and has an age of 1.1 Ga (giga-annum). The MRS hosts a diverse suite of magmatic and hydrothermal mineral deposits in the Lake Superior region where rift rocks are exposed at or near the...
Soil organic carbon stocks and sequestration rates of inland, freshwater wetlands: Sources of variability and uncertainty
Brian Tangen, Sheel Bansal
2020, Science of the Total Environment (749)
Impacts of land use, specifically soil disturbance, are linked to reductions of soil organic carbon (SOC) stocks. Correspondingly, ecosystem restoration is promoted to sequester SOC to mitigate anthropogenic greenhouse gas emissions, which are exacerbating global climate change. Restored wetlands have relatively high potential to...
Coordination of planetary coordinate system recommendations by the IAU Working Group on Cartographic Coordinates and Rotational Elements–2020 status and future
Brent A. Archinal, C. H. Acton, A. Conrad, T. Duxbury, D. Hestroffer, J. L. Hilton, L. Jorda, Randolph L. Kirk, S. A. Klioner, J.-L. Margot, J. Oberst, F. Paganelli, J. Ping, K. Seidelmann, D. J. Tholen, I. P. Williams
2020, Conference Paper, International Society for Photogrammetry and Remote Sensing Congress Proceedings
Our goal is to request input from the lunar and planetary community regarding issues of planetary coordinate systems and cartography standards. We begin with an overview of the work of the International Astronomical Union Working Group on Cartographic Coordinates and Rotational Elements. We briefly describe the operations and membership of...
Three-dimensional shape and structure of the Susitna basin, south-central Alaska, from geophysical data
Anjana K. Shah, Jeffrey Phillips, Kristen A. Lewis, Richard G. Stanley, Peter J. Haeussler, Christopher J. Potter
2020, Geosphere (16) 969-990
We use gravity, magnetic, seismic reflection, well, and outcrop data to determine the three-dimensional shape and structural features of south-central Alaska’s Susitna basin. This basin is located within the Aleutian-Alaskan convergent margin region and is expected to show effects of regional subduction zone processes. Aeromagnetic data, when filtered to highlight...
Incipient bed-movement and flood-frequency analysis using hydrophones to estimate flushing flows on the upper Colorado River, Colorado, 2019
Michael S. Kohn, Mathieu D. Marineau, Laura A. Hempel, Richard R. McDonald
2020, Scientific Investigations Report 2020-5069
In 2019, the U.S. Geological Survey, in cooperation with the Upper Colorado River Wild and Scenic Stakeholder Group, studied the magnitude and recurrence interval of streamflow (discharge) needed to initiate bed movement of gravel-sized and finer sediment in a segment of the Colorado River in Colorado to better understand sediment...
Genomic identification of intergeneric hybrids in New World wood-warblers (Aves: Parulidae)
David P. L. Toews, Gunnar R. Kramer, Andrew W. Jones, Courtney L. Brennan, Benjamin E. Cloud, David E. Andersen, Irby J. Lovette, Henry Streby
2020, Biological Journal of the Linnean Society (131) 183-191
The documentation of hybrids between distantly related taxa can illustrate an initial step to explain how genes might move between species that do not exhibit complete reproductive isolation. In birds, some of the most phylogenetically distant hybrid combinations occur between genera. Traditionally, morphological and plumage characters have been used to...
