Compilation of new and previously published geochemical and modal data for Mesoproterozoic igneous rocks of the St. Francois Mountains, southeast Missouri
Edward A. du Bray, Warren C. Day, Corey J. Meighan
2018, Data Series 1080
The purpose of this report is to present recently acquired as well as previously published geochemical and modal petrographic data for igneous rocks in the St. Francois Mountains, southeast Missouri, as part of an ongoing effort to understand the regional geology and ore deposits of the Mesoproterozoic basement rocks of...
Titanium mineral resources in heavy-mineral sands in the Atlantic coastal plain of the southeastern United States
Bradley S. Van Gosen, Karl J. Ellefsen
2018, Scientific Investigations Report 2018-5045
This study examined titanium distribution in the Atlantic Coastal Plain of the southeastern United States; the titanium is found in heavy-mineral sands that include the minerals ilmenite (Fe2+TiO3), rutile (TiO2), or leucoxene (an alteration product of ilmenite). Deposits of heavy-mineral sands in ancient and modern coastal plains are a significant...
Origin of primitive tholeiitic and calc-alkaline basalts at Newberry Volcano, Oregon
Richard W. Carlson, Timothy L. Grove, Julie M. Donnelly-Nolan
2018, Geochemistry, Geophysics, Geosystems (19) 1360-1377
Major and trace element and radiogenic isotopic characteristics of primitive mafic Pleistocene and Holocene lavas from Newberry Volcano, Oregon, define two groups. The first consists of dry tholeiitic high-alumina olivine basalts that are slightly enriched in highly incompatible elements. The second group consists of calc-alkaline basalts that...
Science partnership between U.S. Geological Survey and the Lower Elwha Klallam Tribe—Understanding the Elwha River Dam Removal Project
Jeffrey J. Duda, Matt M. Beirne, Jonathan A. Warrick, Christopher S. Magirl
2018, Fact Sheet 2018-3025
After nearly a century of producing power, two large hydroelectric dams on the Elwha River in Washington State were removed during 2011 to 2014 to restore the river ecosystem and recover imperiled salmon populations. Roughly two-thirds of the 21 million cubic meters of sediment—enough to fill nearly 2 million dump...
The influence of episodic shallow magma degassing on heat and chemical transport in volcanic hydrothermal systems
Kewei Chen, Hongbin Zhan, Erick R. Burns, Steven E. Ingebritsen, Pierre Agrinier
2018, Geophysical Research Letters (45) 3068-3076
Springs at La Soufrière of Guadeloupe have been monitored for nearly four decades since the phreatic eruption and associated seismic activity in 1976. We conceptualize degassing vapor/gas mixtures as square‐wave sources of chloride and heat and apply a new semianalytic solution to demonstrate that chloride and heat pulses with the...
Relative importance of water-quality stressors in predicting fish community responses in midwestern streams
Michael R. Meador, Jeffrey W. Frey
2018, Journal of the American Water Resources Association (54) 708-723
Fish, habitat, and water chemistry data were collected from 98 streams in the midwestern United States, an area dominated by intense cultivation of row crops, in order to identify important water‐quality stressors to fish communities. We focused on 10 stressors including riparian disturbance, riparian vegetative cover, instream fish cover, streambed...
Relative contributions of microbial and infrastructure heat at a crude oil-contaminated site
Ean Warren, Barbara A. Bekins
2018, Journal of Contaminant Hydrology (211) 94-103
Biodegradation of contaminants can increase the temperature in the subsurface due to heat generated from exothermic reactions, making temperature observations a potentially low-cost approach for determining microbial activity. For this technique to gain more widespread acceptance, it is necessary to better understand all the factors affecting the measured temperatures. Biodegradation...
Landscape connectivity for bobcat (Lynx rufus) and lynx (Lynx canadensis) in the Northeastern United States
Laura E. Farrell, Daniel M. Levy, Therese M. Donovan, Ruth M. Mickey, Alan Howard, Jennifer Vashon, Mark Freeman, Kim Royar, C. William Kilpatrick
2018, PLoS ONE (13) 1-25
Landscape connectivity is integral to the persistence of metapopulations of wide ranging carnivores and other terrestrial species. The objectives of this research were to investigate the landscape characteristics essential to use of areas by lynx and bobcats in northern New England, map a habitat availability model for each species, and...
Evaluating the potential for near-shore bathymetry on the Majuro Atoll, Republic of the Marshall Islands, using Landsat 8 and WorldView-3 imagery
Sandra K. Poppenga, Monica Palaseanu-Lovejoy, Dean B. Gesch, Jeffrey J. Danielson, Dean J. Tyler
2018, Scientific Investigations Report 2018-5024
Satellite-derived near-shore bathymetry (SDB) is becoming an increasingly important method for assessing vulnerability to climate change and natural hazards in low-lying atolls of the northern tropical Pacific Ocean. Satellite imagery has become a cost-effective means for mapping near-shore bathymetry because ships cannot collect soundings safely while operating close to the...
The Midwest Stream Quality Assessment—Influences of human activities on streams
Peter C. Van Metre, Barbara Mahler, Daren M. Carlisle, James F. Coles
2018, Fact Sheet 2017-3087
Healthy streams and the fish and other organisms that live in them contribute to our quality of life. Extensive modification of the landscape in the Midwestern United States, however, has profoundly affected the condition of streams. Row crops and pavement have replaced grasslands and woodlands, streams have been straightened, and...
Golden eagle (Aquila chrysaetos) habitat selection as a function of land use and terrain, San Diego County, California
Jeff A. Tracey, Melanie C. Madden, Peter H. Bloom, Todd E. Katzner, Robert N. Fisher
2018, Open-File Report 2018-1067
Beginning in 2014, the U.S. Geological Survey, in collaboration with Bloom Biological, Inc., began telemetry research on golden eagles (Aquila chrysaetos) captured in the San Diego, Orange, and western Riverside Counties of southern California. This work was supported by the San Diego Association of Governments, California Department of Fish...
Are prey remains accurate indicators of chick diet? A comparison of diet quantification techniques for Black Oystercatchers
B.H. Robinson, H.A. Coletti, L.M. Phillips, Abby Powell
2018, Wader Study (125) 20-32
The quantification of prey remains is a common method for estimating the diet of a variety of birds. However, these estimates may be subject to biases based on prey body type, nesting habitat, and collection date. To better understand biases and limitations associated with this method, we compared it with...
Assessment of continuous gas resources in the Phosphoria Formation of the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah, 2017
Christopher J. Schenk, Tracey J. Mercier, Marilyn E. Tennyson, Cheryl A. Woodall, Thomas M. Finn, Janet K. Pitman, Stephanie B. Gaswirth, Kristen R. Marra, Phuong A. Le, Timothy R. Klett, Heidi M. Leathers-Miller
2018, Fact Sheet 2018-3001
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable resources of 198 billion cubic feet of continuous gas in the Phosphoria Formation of the Wyoming Thrust Belt Province, Wyoming, Idaho, and Utah....
Nearshore coastal bathymetry data collected in 2016 from West Ship Island to Horn Island, Gulf Islands National Seashore, Mississippi
Nancy T. DeWitt, Chelsea A. Stalk, Jake J. Fredericks, James G. Flocks, Kyle W. Kelso, Andrew S. Farmer, Thomas M. Tuten, Noreen A. Buster
2018, Data Series 1081
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center, in cooperation with the U.S. Army Corps of Engineers, Mobile District, conducted bathymetric surveys of the nearshore waters surrounding Ship and Horn Islands, Gulf Islands National Seashore, Mississippi. The objective of this study was to establish base-level elevation...
Flight response to spatial and temporal correlates informs risk from wind turbines to the California Condor
Sharon A. Poessel, Joseph Brandt, Laura C. Mendenhall, Melissa A. Braham, Michael J. Lanzone, Andrew J. McGann, Todd E. Katzner
2018, The Condor (120) 330-342
Wind power is a fast-growing energy resource, but wind turbines can kill volant wildlife, and the flight behavior of obligate soaring birds can place them at risk of collision with these structures. We analyzed altitudinal data from GPS telemetry of critically endangered California Condors (Gymnogyps californianus) to assess the circumstances...
Potential impacts of projected climate change on vegetation management in Hawai`i Volcanoes National Park
Richard J. Camp, Rhonda Loh, S. Paul Berkowitz, Kevin W. Brinck, James D. Jacobi, Jonathan Price, Sierra McDaniel, Lucas B. Fortini
2018, Park Science (34) 22-31
Climate change will likely alter the seasonal and annual patterns of rainfall and temperature in Hawai`i. This is a major concern for resource managers at Hawai`i Volcanoes National Park where intensely managed Special Ecological Areas (SEAs), focal sites for managing rare and endangered plants, may no longer provide suitable habitat...
The response of source-bordering aeolian dunefields to sediment-supply changes 1: Effects of wind variability and river-valley morphodynamics
Joel B. Sankey, Alan Kasprak, Joshua Caster, Amy E. East, Helen C. Fairley
2018, Aeolian Research (32) 228-245
Source-bordering dunefields (SBDs), which are primarily built and maintained with river-derived sediment, are found in many large river valleys and are currently impacted by changes in sediment supply due to climate change, land use changes, and river regulation. Despite their importance, a physically based, applied approach for quantifying the response...
Effects of climate change on forest vegetation in the Northern Rockies Region
Robert E. Keane, Mary Frances Mahalovich, Barry L. Bollenbacher, Mary E. Manning, Rachel A. Loehman, Terrie B. Jain, Lisa M. Holsinger, Andrew J. Larson, Meredith M. Webster
2018, General Technical Report RMRS-GTR-374-6
The projected rapid changes in climate will affect the unique vegetation assemblages of the Northern Rockies region in myriad ways, both directly through shifts in vegetation growth, mortality, and regeneration, and indirectly through changes in disturbance regimes and interactions with changes in other ecosystem processes, such as hydrology, snow dynamics,...
New insights into the phylogenetics and population structure of the prairie falcon (Falco mexicanus)
Jacqueline M. Doyle, Douglas A. Bell, Peter H. Bloom, Gavin Emmons, Amy Fesnock-Parker, Todd E. Katzner, Larry LePre, Kolbe Leonard, Phillip SanMiguel, Rick Westerman, J. Andrew DeWoody
2018, BMC Genomics (19) 1-14
BackgroundManagement requires a robust understanding of between- and within-species genetic variability, however such data are still lacking in many species. For example, although multiple population genetics studies of the peregrine falcon (Falco peregrinus) have been conducted, no similar studies have been done of the...
Effects of climate change on ecological disturbance in the Northern Rockies Region [Chapter 8]
Rachel A. Loehman, Barbara J. Bentz, Gregg A. DeNitto, Robert E. Keane, Mary E. Manning, Jacob P. Duncan, Joel M. Egan, Marcus B. Jackson, Sandra Kegley, I. Blakey Lockman, Dean E. Pearson, James A. Powell, Steve Shelly, Brytten E. Steed, Paul J. Zambino
2018, General Technical Report RMRS-GTR-374
This chapter describes the ecology of important disturbance regimes in the Forest Service, U.S. Department of Agriculture (USFS) Northern Region and the Greater Yellowstone Area, hereafter called the Northern Rockies region, and potential shifts in these regimes as a consequence of observed and projected climate change. The term disturbance regime...
The response of source-bordering aeolian dunefields to sediment-supply changes 2: Controlled floods of the Colorado River in Grand Canyon, Arizona, USA
Joel B. Sankey, Joshua Caster, Alan Kasprak, Amy E. East
2018, Aeolian Research (32) 154-169
In the Colorado River downstream of Glen Canyon Dam in the Grand Canyon, USA, controlled floods are used to resupply sediment to, and rebuild, river sandbars that have eroded severely over the past five decades owing to dam-induced changes in river flow and sediment supply. In this study, we examine...
Spectrally based bathymetric mapping of a dynamic, sand‐bedded channel: Niobrara River, Nebraska, USA
Elizabeth Dilbone, Carl J. Legleiter, Jason S. Alexander, Brandon McElroy
2018, River Research and Applications (34) 430-441
Methods for spectrally based mapping of river bathymetry have been developed and tested in clear‐flowing, gravel‐bed channels, with limited application to turbid, sand‐bed rivers. This study used hyperspectral images and field surveys from the dynamic, sandy Niobrara River to evaluate three depth retrieval methods. The first regression‐based approach, optimal band...
Measuring impact crater depth throughout the solar system
Stuart J. Robbins, Wesley A. Watters, John E. Chappelow, Veronica J. Bray, Ingrid J. Daubar, Robert A. Craddock, Ross A. Beyer, Margaret E. Landis, Lillian R. Ostrach, Livio L. Tornabene, Jamie D. Riggs, Brian P. Weaver
2018, Meteoritics and Planetary Science (53) 583-637
One important, almost ubiquitous, tool for understanding the surfaces of solid bodies throughout the solar system is the study of impact craters. While measuring a distribution of crater diameters and locations is an important tool for a wide variety of studies, so too is measuring a crater's “depth.” Depth can...
High costs of infection: Alphavirus infection reduces digestive function and bone and feather growth in nestling house sparrows (Passer domesticus)
Carol A. Fassbinder-Orth, Tess L. Killpack, Dylan S. Goto, Ellecia L. Rainwater, Valerie I. Shearn-Bochsler
2018, PLoS ONE (13) 1-20
Increasingly, ecoimmunology studies aim to use relevant pathogen exposure to examine the impacts of infection on physiological processes in wild animals. Alphaviruses are arthropod-borne, single-stranded RNA (ssRNA) viruses (“arboviruses”) responsible for millions of cases of human illnesses each year. Buggy Creek virus (BCRV) is a unique alphavirus that is transmitted...
Department of the Interior metadata implementation guide—Framework for developing the metadata component for data resource management
Raymond C. Obuch, Jennifer Carlino, Lin Zhang, Jonathan Blythe, Christopher Dietrich, Christine Hawkinson
2018, Techniques and Methods 16-A1
The Department of the Interior (DOI) is a Federal agency with over 90,000 employees across 10 bureaus and 8 agency offices. Its primary mission is to protect and manage the Nation’s natural resources and cultural heritage; provide scientific and other information about those resources; and honor its trust responsibilities or...
