Survey of bioaccessible pyrethroid insecticides and sediment toxicity in urban streams of the northeast United States
Kara E. Huff-Hartz, Samuel A. Nutile, Courtney Y. Fung, Federico L. Sinche, Patrick W. Moran, Peter C. Van Metre, Lisa H. Nowell, Michael J. Lydy
2019, Environmental Pollution (254)
Pyrethroids are a class of widely-used insecticides that can be transported from terrestrial applications to aquatic systems via runoff and tend to sorb to organic carbon in sediments. Pyrethroid occurrence is detrimental to stream ecosystems due to toxicity to sediment-dwelling invertebrates which are particularly at risk of pyrethroid exposure in...
Water-budget analysis of the Upper Big Sandy Designated Ground-water Basin alluvial aquifer, Elbert, El Paso, and Lincoln Counties, Colorado, 2016
Michael S. Kohn, Jeannette H. Oden, L. R. Arnold
2019, Scientific Investigations Report 2019-5049
The U.S. Geological Survey in cooperation with the Colorado Water Conservation Board and the Upper Big Sandy Groundwater Management District carried out a study in 2016 to evaluate potential groundwater storage changes within the Upper Big Sandy Designated Groundwater Basin (UBSDGB) alluvial aquifer, including groundwater flow between the UBSDGB alluvial...
Glacier recession since the Little Ice Age: Implications for water storage in a Rocky Mountain landscape
Chelsea Mikle, Daniel B. Fagre
2019, Arctic, Antarctic, and Alpine Research (51) 280-289
Glacial ice is a significant influence on local climate, hydrology, vegetation, and wildlife. We mapped a complete set of glacier areas from the Little Ice Age (LIA) using very high-resolution satellite imagery (30-cm) within Glacier National Park, a region that encompasses over 400,000 hectares. We measured glacier change across the...
Subhourly mesoscale analysis of the 2011-2017 North American monsoon near its northwest boundary
Charles Truettner, Michael D. Dettinger, Emanuele Ziaco, Adam Czank, Franco Biondi
2019, International Journal of Climatology (10)
The North American Monsoon (NAM) delivers precipitation to the southwestern USA during the warm-dry summer season. The seasonal extent of NAM precipitation is highly variable and is likely to change under future climate change. Our objective was to determine how large scale monsoonal patterns as well as local variables influence...
Movement and mortality of Atlantic salmonkelts (Salmo salar) released into thePenobscot River, Maine
George A. Maynard, Lisa K. Izzo, Joseph D. Zydlewski
2019, Fishery Bulletin (116) 281-290
The Penobscot River is home to the last major run of Atlantic salmon (Salmo salar) in the United States. For over one century, the river has been stocked intensively. Since the late 1970s, most kelts are released to the Penobscot River estuary following spawning in a hatchery. Over that time,...
Temperature-dependent variations in mineralogy, major element chemistry and the stable isotopes of boron, lithium and chlorine resulting from hydration of rhyolite glass: Constraints from hydrothermal experiments at 150 to 350°C and 25 MPa
Jeffery T. Cullen, Shaul Hurwitz, Jaime D. Barnes, John C. Lassiter, Sarah Penniston-Dorland, Simone Kasemann, James Thordsen
2019, Geochimica et Cosmochimica Acta (261) 269-287
Rhyolite-hosted hydrothermal systems in the continental crust contain valuable energy and mineral resources that make them of special interest across several scientific disciplines. Despite extensive research on these systems, the temperature-dependence of chemical reactions between host rocks and aqueous-rich fluids and the mineralogical transformations resulting from these reactions are not...
Long-term (37 years) impacts of low-head dams on freshwater shrimp habitat connectivity in northeastern Puerto Rico
Jessica Chappell, S. Kyle McKay, Mary Freeman, Catherine M. Pringle
2019, River Research and Applications (35) 1034-1043
Freshwater migratory shrimp in Puerto Rico depend on watershed connectivity, from stream headwaters to the ocean, to complete their life cycle. Moreover, shrimp populations in different watersheds are known to be connected in an island-wide metapopulation. However, low-head dams paired with water intakes on streams draining the El Yunque National...
Virus-like particle production in atmospheric eubacteria isolates
Nuria Teigell-Perez, Cristina Gonzalez-Martin, Basilio Valladares, David J. Smith, Dale W. Griffin
2019, Atmosphere (10)
Culturable eubacterial isolates were collected at various altitudes in Earth’s atmosphere to include ~1.5 m above ground in Tallahassee, Florida, USA, ~10.0 m above sea level over the mid-Atlantic ridge (~15oN), ~ 20 km above ground over the continental United States, ~20 km above sea level over the Pacific Ocean...
Rapid inundation of the southern Florida coastline despite low relative sea-level rise rates during the late-Holocene
Miriam Jones, G. Lynn Wingard, Bethany Stackhouse, Katherine Keller, Debra A. Willard, Marci E. Marot, Bryan D. Landacre, Christopher E. Bernhardt
2019, Nature Communications (10)
Sediment cores from Florida Bay, Everglades National Park were examined to determine ecosystem response to relative sea-level rise (RSLR) over the Holocene. High-resolution multiproxy analysis from four sites show freshwater wetlands transitioned to mangrove environments 4–3.6 ka, followed by estuarine environments 3.4–2.8 ka, during a period of enhanced climate variability....
Volcanic hazards in the Pacific U.S. Territories
Gabrielle Tepp, Brian Shiro, William W. Chadwick
2019, Fact Sheet 2019-3036
The Commonwealth of the Northern Mariana Islands, Guam, and American Samoa lie along the western side of the famed Pacific Ring of Fire. Here, the processes of active island and submarine volcanoes produce activity both underwater and in the atmosphere that poses potential hazards to the daily lives of residents and travelers. Since 2000, CNMI volcanoes...
Mapping irrigated cropland extent across the conterminous United States at 30 m resolution using a semi-automatic training approach on Google Earth Engine
Yanhua Xie, Tyler J. Lark, Jesslyn F. Brown, Holly Gibbs
2019, ISPRS Journal of Photogrammetry and Remote Sensing (155) 136-149
Accurate and timely information on the distribution of irrigated croplands is crucial to research on agriculture, water availability, land use, and climate change. While agricultural land use has been well characterized, less attention has been paid specifically to croplands that are...
Reactivity of As and U co-occurring in mine wastes in northeastern Arizona
Johanna Blake, Sumant Avasarala, Abdul-Mehdi Ali, Michael Spilde, Juan S Lezama-Pacheco, Drew Latta, Kateryna Artyushkova, Anastasia G Ilgen, Christopher Shuey, Christopher Nez, Jose M Cerrato
2019, Chemical Geology (522) 26-37
The reactivity of co-occurring arsenic (As) and uranium (U) in mine wastes was investigated using batch reactors, microscopy, spectroscopy, and aqueous chemistry. Analyses of field samples collected in proximity to mine wastes in northeastern Arizona confirm the presence of As and U in soils and surrounding waters, as reported in...
Alternative sea lamprey barrier technologies: History as a control tool
D.P. Zielinski, R. L. McLaughlin, Theodore R. Castro-Santos, B. Paudel, Pete J. Hrodey, A. M. Muir
2019, Reviews in Fisheries Science and Aquaculture (27) 438-457
Currently, application of lampricides and installation of low-head barriers are the only proven means of sea lamprey (Petromyzon marinus) control in the Great Lakes. While sea lamprey cannot climb or jump over low-head barriers, many desirable migratory species also cannot traverse barriers and are unintentionally blocked. Recently,...
Distribution of contaminants in the environment and wildlife habitat use: A case study with lead and waterfowl on the Upper Texas Coast
Brian Kearns, Stephen K. McDowell, Jena A. Moon, Elizabeth A. Rigby, Warren C. Conway, David A. Haukos
2019, Ecotoxicology (28) 809-824
The magnitude and distribution of lead contamination remain unknown in wetland systems. Anthropogenic deposition of lead may be contributing to negative population-level effects in waterfowl and other organisms that depend on dynamic wetland habitats, particularly if they are unable to detect and differentiate levels of environmental...
Potential for increased hydrothermal arsenic flux during volcanic unrest: Implications for California water supply
Steven E. Ingebritsen, William C. Evans
2019, Applied Geochemistry (108)
The hydrothermal systems associated with the restless high-threat volcanoes at Lassen and Long Valley, California, each release large amounts of arsenic (As) to surface waters – ~6 and ~8 metric tons/yr, respectively. The hydrothermal As output can increase during volcanic unrest,...
A 3-year in-situ measurement of CO2 efflux in coastal wetlands: Understanding carbon loss through ecosystem respiration and its partitioning
Xueyang Yu, Siyuan Ye, Linda Olsson, Mengjie Wei, Ken Krauss, Hans Brix
2019, Wetlands 1-12
Understanding the link between ecosystem respiration (Reco) and its influential factors is necessary to evaluate the sources of gaseous carbon loss in coastal wetlands. Seablite (Suaeda salsa Pall.) is the main vegetation type pioneering temperate coastal wetlands in northeast China, and is generally an understudied wetland type. To evaluate the...
Benthic community dynamics in Coyote Creek and Artesian Slough, southern San Francisco Bay, California, May 2016 to March 2018
Kelly H. Shrader, Sarah A. Pearson, Francis Parchaso, Janet K. Thompson
2019, Open-File Report 2019-1057
The primary objective of this study is to quantify current (2016–18) benthic-community structure and function in the southern San Francisco Bay, and to compare those communities to the communities in the neighboring sloughs. The study area is inclusive of the area south of the Dumbarton Bridge including Coyote Creek and...
Assessment of polycyclic aromatic hydrocarbon concentrations in southern Lake Powell, Glen Canyon National Recreation Area, Arizona and Utah, 2016–17
Alissa L. Coes, Nicholas V. Paretti, David A. Alvarez, Jamie P. Macy
2019, Scientific Investigations Report 2019-5065
Polycyclic aromatic hydrocarbon contamination related to boat use is one of the most important water-quality issues affecting Lake Powell. High concentrations of polycyclic aromatic hydrocarbons in water are common around marinas and other areas with extensive motorboat activity because of releases of uncombusted or partially combusted oil and gasoline from...
Widespread diminishing anthropogenic effects on calcium in freshwaters
Gesa A. Weyhenmeyer, Jens Hartmann, Dag O. Hessen, Jiří Kopáček, Josef Hejzlar, Stephan Jacquet, Stephen K. Hamilton, Piet Verburg, Taylor H. Leach, Martin Schmid, Giovanna Flaim, Tiina Nõges, Peeter Nõges, Valerie C. Wentzky, Michela Rogora, James A. Rusak, Sarian Kosten, Andrew M. Paterson, Katrin Teubner, Scott N. Higgins, Gregory B. Lawrence, Külli Kangur, Ilga Kokorite, Leonardo Cerasino, Clara Funk, Rebecca G. Harvey, Florentina Moatar, Heleen de Wit, Thomas Zechmeister
2019, Scientific Reports (9)
Calcium (Ca) is an essential element for almost all living organisms. Here, we examined global variation and controls of freshwater Ca concentrations, using 440 599 water samples from 43 184 inland water sites in 57 countries. We found that the global median Ca concentration was 4.0 mg L−1 with 20.7% of the water...
Seismic loss and damage in light-frame wood buildings from sequences of induced earthquakes
Robert E Chase, Abbie B. Liel, Nico Luco, Bridger W Baird
2019, Earthquake Engineering and Structural Dynamics (48) 1365-1383
Activities related to oil and gas production, especially deep disposal of wastewater, have led to sequences of induced earthquakes in the central U.S. This study aims to quantify damage to and seismic losses for light-frame wood buildings when subjected to sequences of induced, small to moderate magnitude, events. To conduct...
Twenty-first century California, USA, wildfires: Fuel-dominated vs. wind-dominated fires
Jon Keeley, Alexandra D. Syphard
2019, Fire Ecology (15)
Since the beginning of the twenty-first century California, USA, has experienced a substantial increase in the frequency of large wildfires, often with extreme impacts on people and property. Due to the size of the state, it is not surprising that the factors driving these changes differ across this region. Although...
An introduction to the “Oceans and Society: Blue Planet” Initiative
Emily A Smail, Paul DiGiacomo, Sophie Seeave, Samy Djavidnia, Louis Celliers, Pierre-Yves Le Traon, Jeremy Gault, Elva Escobar-Briones, Hans-Peter Plag, Christine Pequignet, Lenore Bajona, Lin Zhang, Jay Pearlman, Andy Steven, Jon Hodge, Fanny-Mae Racault, Curt D. Storlazzi, Willam Skirving
2019, Journal of Operational Oceanography (12) s1-s11
We live on a blue planet, and Earth’s waters benefit many sectors of society. The future of our blue planet is increasingly reliant on the services delivered by marine, coastal and inland waters and on the advancement of effective, evidence-based decisions on sustainable development. “Oceans and Society: Blue Planet” (hereafter...
Linking demographic and food-web models to understand management trade-offs
Martina Kadin, Morten Frederiksen, Susa Niiranen, Sarah J. Converse
2019, Ecology and Evolution (9) 8587-8600
Alternatives in ecosystem-based management often differ with respect to trade-offs between ecosystem values. Ecosystem or food-web models and demographic models are typically employed to evaluate alternatives, but the approaches are rarely integrated to uncover conflicts between values. We applied multi-state models to a capture-recapture dataset on common guillemots Uria aalge...
Developing and testing physically based triggering thresholds for runoff‐generated debris flows
Hui Tang, Luke A. McGuire, Francis K. Rengers, Jason W. Kean, Dennis M. Staley, Joel B. Smith
2019, Geophysical Research Letters (46) 8830-8839
Runoff in steep channels is capable of transitioning into debris flows with hazardous implications for downstream communities and infrastructure, particularly in alpine landscapes with minimal vegetation and areas recently disturbed by wildfire. Here, we derive thresholds for the initiation of runoff‐generated debris flows based on critical...
Effect of male age structure on reproduction in white-tailed deer
Duane R. Diefenbach, Gary Alt, Bret D. Wallingford, Christopher S. Rosenberry, Eric S. Long
2019, Journal of Wildlife Management (83) 1368-1376
Selective harvest regimes that create female-biased sex ratios can potentially lead to delayed breeding, reduced breeding synchrony, reduced productivity, and a female-biased sex ratio of offspring. These resulting changes in breeding behavior and population dynamics have potential to adversely affect population growth. In 2002, Pennsylvania implemented harvest regulation changes that...
