Simulation of groundwater flow, 1895–2010, and effects of additional groundwater withdrawals on future stream base flow in the Elkhorn and Loup River Basins, central Nebraska—Phase three
Amanda T. Flynn, Jennifer S. Stanton
2018, Scientific Investigations Report 2018-5106
The U.S. Geological Survey, in cooperation with the Lewis and Clark, Lower Elkhorn, Lower Loup, Lower Platte North, Lower Niobrara, Middle Niobrara, Upper Elkhorn, and the Upper Loup Natural Resources Districts, designed a study to refine the spatial and temporal discretization of a previously modeled area. This updated study focused on...
A geostatistical state‐space model of animal densities for stream networks
Daniel J. Hocking, James T. Thorson, Kyle O’Neil, Benjamin H. Letcher
2018, Ecological Applications (28) 1782-1796
Population dynamics are often correlated in space and time due to correlations in environmental drivers as well as synchrony induced by individual dispersal. Many statistical analyses of populations ignore potential autocorrelations and assume that survey methods (distance and time between samples) eliminate these correlations, allowing samples to be treated independently....
Long-term rehabilitation of Delavan Lake, Wisconsin, USA
Dale M. Robertson
D. Hamilton, K. Collier, J. Quinn, C. Howard-Williams, editor(s)
2018, Book chapter, Lake restoration handbook: A New Zealand perspective
No abstract available. ...
Quantifying climate sensitivity and climate-driven change in North American amphibian communities
David A.W. Miller, Evan H. Campbell Grant, Erin L. Muths, Staci M. Amburgey, M. J. Adams, Maxwell B. Joseph, J. Hardin Waddle, Pieter T.J. Johnson, Maureen E. Ryan, Benedikt R. Schmidt, Daniel L. Calhoun, Courtney L. Davis, Robert N. Fisher, David M. Green, Blake R. Hossack, Tracy A.G. Rittenhouse, Susan C. Walls, Larissa L. Bailey, Sam S. Cruickshank, Gary M. Fellers, Thomas A. Gorman, Carola A. Haas, Ward Hughson, David S. Pilliod, Steven J. Price, Andrew M. Ray, Walter Sadinski, Daniel Saenz, William J. Barichivich, Adrianne B. Brand, Cheryl S. Brehme, Rosi Dagit, Katy S. Delaney, Brad M. Glorioso, Lee B. Kats, Patrick M. Kleeman, Christopher Pearl, Carlton J. Rochester, Seth P. D. Riley, Mark F. Roth, Brent Sigafus
2018, Nature Communications (9)
Changing climate will impact species’ ranges only when environmental variability directly impacts the demography of local populations. However, measurement of demographic responses to climate change has largely been limited to single species and locations. Here we show that amphibian communities are responsive to climatic variability, using >500,000 time-series observations for...
Delineation of contributing areas for 2017 pumping conditions to selected wells in Ingham County, Michigan
Carol L. Luukkonen
2018, Open-File Report 2018-1133
As part of local wellhead protection area programs, areascontributing water to production wells need to be periodicallyupdated because groundwater-flow paths depend in part onthe stresses to the groundwater-flow system. A steady-stategroundwater-flow model that was constructed in 2009 wasupdated to reflect recent (2017) pumping conditions in theLansing and East Lansing area...
Great Lakes coastal fish habitat classification and assessment
K. E. Kovalenko, L.B. Johnson, C. M. Riseng, M. J. Cooper, K. Johnson, L. A. Mason, James E. McKenna Jr., B. L. Sparks-Jackson, D.G. Uzarski
2018, Journal of Great Lakes Research (44) 1100-1109
Basin-scale assessment of fish habitat in Great Lakes coastal ecosystems would increase our ability to prioritize fish habitat management and restoration actions. As a first step in this direction, we identified key habitat factors associated with highest probability of occurrence for several societally and ecologically important coastal fish species as well as community metrics,...
A regime shift in sediment export from a coastal watershed during a record wet winter, California: Implications for landscape response to hydroclimatic extremes
Amy E. East, Andrew W. Stevens, Andrew C. Ritchie, Patrick L. Barnard, Pamela L. Campbell‐Swarzenski, Brian D. Collins, Christopher H. Conaway
2018, Earth Surface Processes and Landforms (43) 2562-2577
Small, steep watersheds are prolific sediment sources from which sediment flux is highly sensitive to climatic changes. Storm intensity and frequency are widely expected to increase during the 21st century, and so assessing the response of small, steep watersheds to extreme rainfall is essential to understanding landscape response to climate...
Efficient delineation of nested depression hierarchy in digital elevation models for hydrological analysis using level-set method
Qiusheng Wu, Charles R. Lane, Lei Wang, Melanie K. Vanderhoof, Jay R. Christensen, Hongxing Liu
2018, Journal of the American Water Resources Association (55) 354-368
In terrain analysis and hydrological modeling, surface depressions (or sinks) in a digital elevation model (DEM) are commonly treated as artifacts and thus filled and removed to create a depressionless DEM. Various algorithms have been developed to identify and fill depressions in DEMs during the past decades. However, few studies...
A spatially discrete, integral projection model and its application to invasive carp
Richard A. Erickson, Eric E. Eager, Patrick Kocovsky, David C. Glover, Jahn L. Kallis, K. R. Long
2018, Ecological Modelling (387) 163-171
Natural resource managers and ecologists often desire an understanding of spatial dynamics such as migration, dispersion, and meta-population dynamics. Network-node models can capture these salient features. Additionally, the state-variable used with many species may be appropriately modeled as a continuous variable (e.g., length) and management activities sometimes can only target individuals of...
Size and age of Stonecats in Lake Champlain; Estimating growth at the margin of their range to aid in population management
Elizabeth A. Puchala, Donna L. Parrish, Derek H. Ogle
2018, North American Journal of Fisheries Management (38) 1316-1323
Little is known about populations of Stonecat Noturus flavus, especially in the northeastern United States, where they are at the edge of their range. In Lake Champlain tributaries, Stonecats are listed as endangered in Vermont but not in New York. Here we describe the growth of Stonecats in two tributaries to...
Groundwater contributions to excessive algal growth in the East Fork Carson River, Carson Valley, west-central Nevada, 2010 and 2012
Nancy L. Alvarez, Randy A. Pahl, Michael R. Rosen
2018, Scientific Investigations Report 2018-5102
Excessive algal growth and low dissolved oxygen concentrations were observed during low streamflow conditions during summer months along a 5,800-foot reach of the East Fork Carson River in Carson Valley, west-central Nevada. Algal growth from nutrient enrichment of a stream reduces aquatic diversity, threatens fish ecology and stream health, and...
Ecohydrologic changes caused by hydrologic disconnection of ephemeral stream channels in Mojave National Preserve, California
Kimberlie Perkins, David M. Miller, Darren R. Sandquist, Miguel Macias, Aimee Roach
2018, Vadose Zone Journal (17)
Emplacement of highways and railroads has altered natural hydrologic systems by influencing surface-water flow paths and biotic communities in Mojave National Preserve. Infiltration experiments were conducted along active and abandoned channels to evaluate changes in hydrology and related effects on plant water availability and use. Simulated rainfall infiltration experiments with...
Effects of urban stormwater and iron‐enhanced sand filtration on Daphnia magna and Pimephales promelas
Benjamin M. Westerhoff, David J. Fairbairn, Mark L. Ferrey, Adriana Matilla, Jordan Kunkel, Sarah M. Elliott, Richard L. Kiesling, Dustin Woodruff, Heiko L. Schoenfuss
2018, Environmental Toxicology and Chemistry (37) 2645-2659
Urban stormwater is an important but incompletely characterized contributor to surface‐water toxicity. The present study used 5 bioassays of 2 model organisms (Daphnia magnaand fathead minnow, Pimephales promelas) to investigate stormwater toxicity and mitigation by full‐scale iron‐enhanced sand filters (IESFs). Stormwater samples were collected from major stormwater conveyances and full‐scale IESFs...
Williston Basin groundwater availability, United States and Canada
Joanna N. Thamke, Andrew J. Long, Kyle W. Davis
2018, Fact Sheet 2018-3046
The Williston Basin contains important oil and gas resources for the Nation. Freshwater supplies are limited in this semiarid area, and oil and gas development can require large volumes of freshwater. Groundwater is the primary source of water for many water users in the Williston Basin, so to better understand...
Temperature regimes, growth, and food consumption for female and male adult walleye in Lake Huron and Lake Erie: a bioenergetics analysis
Charles P. Madenjian, Todd A. Hayden, Tyler B. Peat, Christopher Vandergoot, David G. Fielder, Ann Marie Gorman, Steven A. Pothoven, John M. Dettmers, Steven J. Cooke, Yingming Zhao, Charles C. Krueger
2018, Canadian Journal of Fisheries and Aquatic Sciences (75) 1573-1586
Bioenergetics modeling was used to assess the relative importance of food availability and water temperature in determining walleye (Sander vitreus) growth. Temperature regimes experienced by both female and male adult walleye in three basins of Lake Huron and in Lake Erie were determined by use of surgically implanted temperature loggers...
Assessment of oil and gas resources in the Upper Jurassic Haynesville and Bossier Formations, U.S. Gulf Coast, 2016
Stanley T. Paxton
2018, Open-File Report 2018-1135
The U.S. Geological Survey completed a geology-based assessment of undiscovered, technically recoverable oil and gas resources in the Haynesville and Bossier Formations of the onshore and State waters portion of the U.S. Gulf Coast region. Haynesville Formation conventional oil and gas production began in the late 1930s, whereas Bossier Formation production...
Groundwater availability of the Williston Basin, United States and Canada
Andrew J. Long, Joanna N. Thamke, Kyle W. Davis, Timothy T. Bartos
2018, Professional Paper 1841
Executive SummaryThe Williston Basin of the Northern Great Plains is a sedimentary basin—a geologic bowl-like structure filled with layered sedimentary rocks dating as far back as the Paleozoic age. The basin, which is nationally important for the production of energy resources, spans Montana, North Dakota, and South Dakota in...
Deciphering the dynamics of inorganic carbon export from intertidal salt marshes using high-frequency measurements
Sophie N. Chu, Zhaohui Aleck Wang, Meagan Gonneea Eagle, Kevin D. Kroeger, Neil K. Ganju
2018, Marine Chemistry (206) 7-18
The lateral export of carbon from coastal marshes via tidal exchange is a key component of the marsh carbon budget and coastal carbon cycles. However, the magnitude of this export has been difficult to accurately quantify due to complex tidal dynamics and seasonal cycling of carbon. In this study, we use in situ, high-frequency measurements of dissolved inorganic...
Sediment Source Assessment Using Sediment Fingerprints
Allen C. Gellis, Lillian E. Gorman Sanisaca, Matthew J. Cashman
2018, Fact Sheet 2018-3008
ProblemSediment is one of the most common causes of loss of stream-biologic integrity, whether in suspension in the water column, or as deposition on a stream or lake bottom. Fine-grained silts and clays are of particular concern because they can degrade habitat and often carry phosphorus and (or) other contaminants...
Karachi tides during the 1945 Makran tsunami
Loyce M. Adams, Brian F. Atwater, Haider Hasan
2018, Geoscience Letters (5)
This paper extends and detides a Karachi tide-gauge record as an observational basis for assessing Indian Ocean tsunami risk. The extended marigram encompasses the time of the great 1945 Makran earthquake of early November 28, local time, and of the ensuing tsunami, which continued into November 29. The marigram was...
Plant production responses to precipitation differ along an elevation gradient and are enhanced under extremes
Seth M. Munson, Erin L. Bunting, John B. Bradford, Bradley J. Butterfield, Jennifer R. Gremer
2018, Ecosystems (22) 699-708
The sensitivity of plant production to precipitation underlies the functioning of ecosystems. Studies that relate long-term mean annual precipitation and production across multiple sites(spatial relationship) or examine interannual linkages within a site (temporal relationship) can reveal biophysical controls over ecosystem function but have limited ability to infer responses to...
Flood-inundation maps for the lower Pawcatuck River in Westerly, Rhode Island, and Stonington and North Stonington, Connecticut
Gardner C. Bent, Pamela J. Lombard
2018, Scientific Investigations Report 2018-5112
A series of 11 digital flood-inundation maps was developed for a 5.5-mile reach of the lower Pawcatuck River in Westerly, Rhode Island, and Stonington and North Stonington, Connecticut, by the U.S. Geological Survey (USGS) in cooperation with the Town of Westerly, Rhode Island, and the Rhode Island Office of Housing...
Comparing public-supply and shallow aquifer groundwater quality in the North San Francisco Bay Aquifers, California
George L. Bennett V
2018, Fact Sheet 2018-3064
Groundwater quality in the North San Francisco Bay area Public-Supply and Shallow Aquifer Systems was investigated by the GAMA-PBP. The North San Francisco Bay Public-Supply Aquifer System study unit (NSF-PA) was sampled in 2004. The North San Francisco Bay Shallow Aquifer System study unit (NSF-SA) was sampled in 2012. The...
Using mercury injection pressure analyses to estimate sealing capacity of the Tuscaloosa marine shale in Mississippi, USA: Implications for carbon dioxide sequestration
Celeste D. Lohr, Paul C. Hackley
2018, International Journal of Greenhouse Gas Control (78) 375-387
This work used mercury injection capillary pressure (MICP) analyses of the Tuscaloosa Group in Mississippi, including the Tuscaloosa marine shale (TMS), to assess their efficacy and sealing capacity for geologic carbon dioxide (CO2) sequestration. Tuscaloosa Group porosity and permeability from MICP were evaluated to calculate CO2 column height retention. TMS and...
Mangrove forests in a rapidly changing world: Global change impacts and conservation opportunities along the Gulf of Mexico coast
Michael J. Osland, Laura C. Feher, Jorge Lopez-Portillo, Richard H. Day, Daniel O. Suman, Jose Manuel Guzman Menendez, Victor H. Rivera-Monroy
2018, Estuarine, Coastal and Shelf Science (214) 120-140
Mangrove forests are highly-productive intertidal wetlands that support many ecosystem goods and services. In addition to providing fish and wildlife habitat, mangrove forests improve water quality, provide seafood, reduce coastal erosion, supply forest products, support coastal food webs, minimize flooding impacts, and support high rates of carbon sequestration. Despite their tremendous societal value, mangrove forests are threatened by...
