Clearing the waters: Evaluating the need for site-specific field fluorescence corrections based on turbidity measurements
John Franco Saraceno, James B. Shanley, Bryan D. Downing, Brian A. Pellerin
2017, Limnology and Oceanography: Methods (15) 408-416
In situ fluorescent dissolved organic matter (fDOM) measurements have gained increasing popularity as a proxy for dissolved organic carbon (DOC) concentrations in streams. One challenge to accurate fDOM measurements in many streams is light attenuation due to suspended particles. Downing et al. (2012) evaluated the need for corrections to compensate...
Planting richness affects the recovery of vegetation and soil processes in constructed wetlands following disturbance
Mary M. Means, Changwoo Ahn, Gregory E. Noe
2017, Science of the Total Environment (579) 1366-1378
The resilience of constructed wetland ecosystems to severe disturbance, such as a mass herbivory eat-out or soil disturbance, remains poorly understood. In this study, we use a controlled mesocosm experiment to examine how original planting diversity affects the ability of constructed freshwater wetlands to recover structurally and functionally after a...
Digitized analog boomer seismic-reflection data collected during U.S. Geological Survey cruises Erda 90-1_HC, Erda 90-1_PBP, and Erda 91-3 in Mississippi Sound, June 1990 and September 1991
Stephen T. Bosse, James G. Flocks, Arnell S. Forde
2017, Data Series 1047
The U.S. Geological Survey (USGS) Coastal and Marine Geology Program has actively collected geophysical and sedimentological data in the northern Gulf of Mexico for several decades, including shallow subsurface data in the form of high-resolution seismic-reflection profiles (HRSP). Prior to the mid-1990s most HRSP data were collected in analog format...
Feasibility study for the quantitative assessment of mineral resources in asteroids
Laszlo P. Keszthelyi, Justin Hagerty, Amanda Bowers, Karl J. Ellefsen, Trude King, Ian Ridley, David Trilling, Nicholas Moskovitz, Will Grundy
2017, Open-File Report 2017-1041
This study was undertaken to determine if the U.S. Geological Survey’s process for conducting mineral resource assessments on Earth can be applied to asteroids. Successful completion of the assessment, using water and iron resources to test the workflow, has resulted in identification of the minimal adjustments required to conduct...
U.S. Geological Survey Cooperative Fish and Wildlife Research Units Program—2016–2017 Research Abstracts
Donald E. Dennerline, Dawn E. Childs, editor(s)
2017, Circular 1427
The U.S. Geological Survey (USGS) has several strategic goals that focus its efforts on serving the American people. The USGS Ecosystems Mission Area has responsibility for the following objectives under the strategic goal of “Science to Manage and Sustain Resources for Thriving Economies and Healthy Ecosystems”:Understand, model, and predict change...
Cooperative Fish and Wildlife Research Units - A model partnership program
Donald E. Dennerline, Dawn E. Childs
2017, Fact Sheet 2017-3022
The U.S. Geological Survey (USGS) Cooperative Fish and Wildlife Research Units (CRU) program is a unique model of cooperative partnership among the USGS, other U.S. Department of the Interior and Federal agencies, universities, State fish and wildlife agencies, and the Wildlife Management Institute. These partnerships are maintained as one of...
Longshore water-current velocity and the potential for transport of contaminants—A pilot study in Lake Erie from Walnut Creek to Presque Isle State Park beaches, Erie, Pennsylvania, June and August 2015
Elizabeth A. Hittle
2017, Open-File Report 2016-1206
Bacteria-driven restrictions and (or) advisories on swimming at beaches in Presque Isle State Park (PISP), Erie, Pennsylvania, can occur during the summer months. One of the suspected sources of bacteria is sediment. A terrestrial sediment source to the west of PISP is Walnut Creek, which discharges to Lake Erie about...
Volcanic air pollution hazards in Hawaii
Tamar Elias, A. Jeff Sutton
2017, Fact Sheet 2017-3017
Noxious sulfur dioxide gas and other air pollutants emitted from Kīlauea Volcano on the Island of Hawai‘i react with oxygen, atmospheric moisture, and sunlight to produce volcanic smog (vog) and acid rain. Vog can negatively affect human health and agriculture, and acid rain can contaminate household water supplies by...
Mineralization dynamics of metakaolin-based alkali-activated cements
Juan Pablo Gevaudan, Kate M. Campbell, Tyler Kane, Richard K. Shoemaker, Wil V. Srubar III
2017, Cement and Concrete Research (94) 1-12
This paper investigates the early-age dynamics of mineral formation in metakaolin-based alkali-activated cements. The effects of silica availability and alkali content on mineral formation were investigated via X-ray diffraction and solid-state 29Si magic-angle spinning nuclear magnetic resonance spectroscopy at 2, 7, 14, and 28 days. Silica availability was controlled...
Carbonate buffering and metabolic controls on carbon dioxide in rivers
Edward G. Stets, David Butman, Cory P. McDonald, Sarah M. Stackpoole, Michael D. DeGrandpre, Robert G. Striegl
2017, Global Biogeochemical Cycles (31) 663-677
Multiple processes support the significant efflux of carbon dioxide (CO2) from rivers and streams. Attribution of CO2 oversaturation will lead to better quantification of the freshwater carbon cycle and provide insights into the net cycling of nutrients and pollutants. CO2 production is closely related to O2consumption because of the metabolic linkage of...
Stable isotopic composition of perchlorate and nitrate accumulated in plants: Hydroponic experiments and field data
Nubia Luz Estrada, J.K. Bohlke, Neil C. Sturchio, Baohua Gu, Greg Harvey, Kent O. Burkey, David A. Grantz, Margaret T. McGrath, Todd A. Anderson, Balaji Rao, Ritesh Sevanthi, Paul B. Hatzinger, W. Andrew Jackson
2017, Science of the Total Environment (595) 556-566
Natural perchlorate (ClO4−) in soil and groundwater exhibits a wide range in stable isotopic compositions (δ37Cl, δ18O, and Δ17O), indicating that ClO4− may be formed through more than one pathway and/or undergoes post-depositional isotopic alteration. Plants are known to accumulate ClO4−, but little is known about their ability to alter...
A lake-centric geospatial database to guide research and inform management decisions in an Arctic watershed in northern Alaska experiencing climate and land-use changes
Benjamin M. Jones, Christopher D. Arp, Matthew S. Whitman, Debora A. Nigro, Ingmar Nitze, John Beaver, Anne Gadeke, Callie Zuck, Anna K. Liljedahl, Ronald Daanen, Eric Torvinen, Stacey Fritz, Guido Grosse
2017, Ambio (46) 769-786
Lakes are dominant and diverse landscape features in the Arctic, but conventional land cover classification schemes typically map them as a single uniform class. Here, we present a detailed lake-centric geospatial database for an Arctic watershed in northern Alaska. We developed a GIS dataset consisting of 4362 lakes that provides...
Reassessment of the Upper Fremont Glacier ice-core chronologies by synchronizing of ice-core-water isotopes to a nearby tree-ring chronology
Nathan J. Chellman, Joseph R. McConnell, Monica Arienzo, Gregory T. Pederson, Sarah Aarons, Adam Csank
2017, Environmental Science & Technology (51) 4230-4238
The Upper Fremont Glacier (UFG), Wyoming, is one of the few continental glaciers in the contiguous United States known to preserve environmental and climate records spanning recent centuries. A pair of ice cores taken from UFG have been studied extensively to document changes in climate and industrial pollution (most notably,...
Amphibian conservation: clarifications to comments from Andreone
Erin L. Muths, Robert N. Fisher
2017, Oryx (51) 216-217
We appreciate the comments from Andreone (2016) regarding our proposed alternative strategy for addressing the amphibian crisis. Andreone recognizes the utility of an Incident Command System approach but doubts the feasibility of implementation at an international level. We stated in our original article, however, that ‘the feasibility of our suggestion...
A foundation for future assessment and management of groundwater resources
Kenneth D. Ehman, Brian D. Edwards
2017, Conference Paper
Sequence stratigraphic models for the Pleistocene to Holocene sediments of the Los Angeles (LA) Basin will provide better understanding of regional groundwater flow and have helped identify seawater intrusion pathways into important groundwater aquifers. Because groundwater provides more than one-third of the municipal water supply for the coastal LA Basin, the aquifer...
Science framework for conservation and restoration of the sagebrush biome: Linking the Department of the Interior’s Integrated Rangeland Fire Management Strategy to long-term strategic conservation actions, Part 1. Science basis and applications
Jeanne C. Chambers, Jeffrey L. Beck, John B. Bradford, Jared Bybee, Steve Campbell, John Carlson, Thomas J Christiansen, Karen J. Clause, Gail Collins, Michele R. Crist, Jonathan B. Dinkins, Kevin Doherty, Fred Edwards, Shawn Espinosa, Kathleen A. Griffin, Paul Griffin, Jessica R. Haas, Steve E. Hanser, Douglas W. Havlina, Kenneth F. Henke, Jacob D. Hennig, Linda A Joyce, Francis F. Kilkenny, Sarah M Kulpa, Laurie L Kurth, Jeremy D Maestas, Mary E. Manning, Kenneth E. Mayer, Brian A. Mealor, Clinton McCarthy, Mike Pellant, Marco A. Perea, Karen L. Prentice, David A. Pyke, Lief A. Wiechman, Amarina Wuenschel
2017, General Technical Report RMRS-GTR-360
The Science Framework is intended to link the Department of the Interior’s Integrated Rangeland Fire Management Strategy with long-term strategic conservation actions in the sagebrush biome. The Science Framework provides a multiscale approach for prioritizing areas for management and determining effective management strategies within the sagebrush biome. The emphasis is...
Evaluation of harvest and information needs for North American sea ducks
Mark D. Koneff, Guthrie S. Zimmerman, Chris P. Dwyer, Kathleen K. Fleming, Paul I. Padding, Patrick K. Devers, Fred A. Johnson, Michael C. Runge, Anthony J. Roberts
2017, PLoS ONE (12) 1-29
Wildlife managers routinely seek to establish sustainable limits of sport harvest or other regulated forms of take while confronted with considerable uncertainty. A growing body of ecological research focuses on methods to describe and account for uncertainty in management decision-making and to prioritize research and monitoring investments to reduce the...
Variable effects of climate on forest growth in relation to climate extremes, disturbance, and forest dynamics
Malcolm S. Itter, Andrew O. Finley, Anthony W. D’Amato, Jane R. Foster, John B. Bradford
2017, Ecological Applications (27) 1082-1095
Changes in the frequency, duration, and severity of climate extremes are forecast to occur under global climate change. The impacts of climate extremes on forest productivity and health remain difficult to predict due to potential interactions with disturbance events and forest dynamics—changes in forest stand composition, density, size and age...
The California Seafloor and Coastal Mapping Program – Providing science and geospatial data for California's State Waters
Samuel Y. Johnson, Guy R. Cochrane, Nadine E. Golden, Peter Dartnell, Stephen Hartwell, Susan A. Cochran, Janet Watt
2017, Ocean and Coastal Management (140) 88-104
The California Seafloor and Coastal Mapping Program (CSCMP) is a collaborative effort to develop comprehensive bathymetric, geologic, and habitat maps and data for California's State Waters. CSCMP began in 2007 when the California Ocean Protection Council (OPC) and the National Oceanic and Atmospheric Administration (NOAA) allocated funding for high-resolution...
Management of plains cottonwood at Theodore Roosevelt National Park, North Dakota
Jonathan M. Friedman, Eleanor R. Griffin
2017, Natural Resource Report NPS/THRO/NRR—2017/1395
Establishment of cottonwood trees is driven by flood-induced channel migration, which provides the new surfaces necessary for successful germination and survival. Along the Little Missouri River the largest floods typically result from snowmelt in March or April. Seed release occurs in early summer, and seedlings usually germinate in moist, open...
Developing criteria to establish Trusted Digital Repositories
John Faundeen
2017, Data Science Journal (16) 1-13
This paper details the drivers, methods, and outcomes of the U.S. Geological Survey’s quest to establish criteria by which to judge its own digital preservation resources as Trusted Digital Repositories. Drivers included recent U.S. legislation focused on data and asset management conducted by federal agencies spending $100M USD or more...
Migratory connectivity of american woodcock using band return data
Joseph D. Moore, David G. Krementz
2017, Journal of Wildlife Management (81) 1063-1072
American woodcock (Scolopax minor) are managed as a Central and an Eastern population in the United States and Canada based on band return data showing little crossover between populations or management regions. The observed proportion of crossover between management regions, however, depends on the criteria used to subset the band...
Fracture propagation and stability of ice shelves governed by ice shelf heterogeneity
Chris Borstad, Daniel Mcgrath, Allen Pope
2017, Geophysical Research Letters (44) 4186-4194
Tabular iceberg calving and ice shelf retreat occurs after full‐thickness fractures, known as rifts, propagate across an ice shelf. A quickly evolving rift signals a threat to the stability of Larsen C, the Antarctic Peninsula's largest ice shelf. Here we reveal the influence of ice shelf heterogeneity on the growth...
Shallow-depth location and geometry of the Piedmont Reverse splay of the Hayward Fault, Oakland, California
Rufus D. Catchings, Mark R. Goldman, David Trench, Michael Buga, Joanne H. Chan, Coyn J. Criley, Luther M. Strayer
2017, Open-File Report 2016-1123
The Piedmont Thrust Fault, herein referred to as the Piedmont Reverse Fault (PRF), is a splay of the Hayward Fault that trends through a highly populated area of the City of Oakland, California (fig. 1A). Although the PRF is unlikely to generate a large-magnitude earthquake, slip on the PRF or...
Long-term afterslip of the M6.0, 2004 Parkfield, California, earthquake—Implications for forecasting amount and duration of afterslip on other major creeping faults
James J. Lienkaemper, Forrest S. McFarland
2017, Bulletin of the Seismological Society of America (107) 1082-1093
We present the longest record of surface afterslip on a continental strike‐slip fault for the 2004 M 6.0 Parkfield, California, earthquake, from which we can derive critical information about the duration and predictability of afterslip relevant to urban displacement hazard applications. Surface slip associated with this event occurred entirely postseismically...
