Hydrogeologic controls and geochemical indicators of groundwater movement in the Niles Cone and southern East Bay Plain groundwater subbasins, Alameda County, California
Nicholas F. Teague, John A. Izbicki, Jim Borchers, Justin T. Kulongoski, Bryant C. Jurgens
2019, Scientific Investigations Report 2018-5003
Beginning in the 1970s, Alameda County Water District began infiltrating imported water through ponds in repurposed gravel quarries at the Quarry Lakes Regional Park, in the Niles Cone groundwater subbasin, to recharge groundwater and to minimize intrusion of saline, San Francisco Bay water into freshwater aquifers. Hydraulic connection between distinct...
The impact of late Holocene land-use change, climate variability, and sea-level rise on carbon storage in tidal freshwater wetlands on the southeastern United States Coastal Plain
Miriam Jones, Christopher E. Bernhardt, K. W. Krauss, Gregory E. Noe
2019, Journal of Geophysical Research: Biogeosciences (122) 3126-3141
This study examines Holocene impacts of changes in climate, land use, and sea-level rise (SLR) on sediment accretion, carbon accumulation rates (CAR), and vegetation along a transect of tidal freshwater forested wetlands (TFFW) to oligohaline marsh along the Waccamaw River, South Carolina (4 sites) and along the Savannah River, Georgia...
Organic geochemistry and toxicology of a stream impacted by unconventional oil and gas wastewater disposal operations
William H. Orem, Matthew S. Varonka, Lynn M. Crosby, Karl B. Haase, Keith A. Loftin, Michelle L. Hladik, Denise M. Akob, Calin Tatu, Adam C. Mumford, Jeanne B. Jaeschke, Anne L. Bates, Tiffani Schell, Isabelle M. Cozzarelli
2019, Applied Geochemistry (80) 155-167
Water and sediment extracts samples were analyzed for extractable hydrocarbons by gas chromatography/mass spectrometry (GC/MS) using an Agilent (Agilent Technologies, Palo Alto, CA, USA) 7890 series GC and 5975 electron ionization (EI) mass selective detector (MSD) operated in scan mode. Agilent ChemStation software was used for data acquisition and analysis...
Characterization of stormwater runoff from bridge decks in eastern Massachusetts, 2014–16
Kirk P. Smith, Jason R. Sorenson, Gregory E. Granato
2018, Scientific Investigations Report 2018-5033
The quality of stormwater runoff from bridge decks (hereafter referred to as “bridge-deck runoff”) was characterized in a field study from August 2014 through August 2016 in which concentrations of suspended sediment (SS) and total nutrients were monitored. These new data were collected to supplement existing highway-runoff data collected in...
Lake trout spawning and habitat assessment at Stony Island Reef
Stacy Furgal, Brian F. Lantry, Brian Weidel, John M. Farrell, Dimitry Gorsky, Zy Biesinger
2018, Book chapter, NYSDEC Lake Ontario annual report 2018
Lake trout stocking began in the 1970s as part of a binational effort to restore a self-sustaining population of lake trout in Lake Ontario. Despite 48 years of restoration stocking, lake trout in Lake Ontario have not reestablished a self-sustaining population. Spawning surveys done at Stony Island Reef (SIR) in...
Batrachochytrium salamandriovrans (Bsal) in Appalachia—Using scenario building to proactively prepare for a wildlife disease outbreak caused by an invasive amphibian chytrid fungus
M. Camille Hopkins, M. J. Adams, P.E. Super, D.H. Olson, C.R. Hickman, P. English, L. Sprague, I.B. Maska, A.B. Pennaz, K. A. Ludwig
2018, Open-File Report 2018-1150
Batrachochytrium salamandrivorans (Bsal), a pathogenic chytrid fungus, is nonnative to the United States and poses a disease threat to vulnerable amphibian hosts. The Bsal fungus may lead to increases in threatened, endangered, and sensitive status listings at State, Tribal, and Federal levels, resulting in financial costs associated with implementing the...
Morphodynamic evolution following sediment release from the world’s largest dam removal
Andrew C. Ritchie, Jonathan A. Warrick, Amy E. East, Christopher S. Magirl, Andrew W. Stevens, Jennifer A. Bountry, Timothy J. Randle, Christopher A. Curran, Robert C. Hilldale, Jeffrey J. Duda, Ian M. Miller, George R. Pess, Emily Eidam, Melissa M. Foley, Randall McCoy, Andrea S. Ogston
2018, Scientific Reports (8)
Sediment pulses can cause widespread, complex changes to rivers and coastal regions. Quantifying landscape response to sediment-supply changes is a long-standing problem in geomorphology, but the unanticipated nature of most sediment pulses rarely allows for detailed measurement of associated landscape processes and evolution. The intentional removal of two large dams...
Thresholds of lake and reservoir connectivity in river networks control nitrogen removal
Noah M. Schmadel, Judson Harvey, Richard Alexander, Gregory E. Schwarz, Richard Moore, Ken Eng, Jesus D. Gomez-Velez, Elizabeth W. Boyer, Durelle Scott
2018, Nature Communications (9)
Lakes, reservoirs, and other ponded waters are ubiquitous features of the aquatic landscape, yet their cumulative role in nitrogen removal in large river basins is often unclear. Here we use predictive modeling, together with comprehensive river water quality, land use, and hydrography datasets, to examine and explain the influences of...
Surficial materials of Massachusetts—A 1:24,000-scale geologic map database
2018, Scientific Investigations Map 3402
The surficial materials geologic map database defines the distribution of nonlithified earth materials at the land surface in the 189 7.5-minute, 1:24,000-scale quadrangles that cover the Commonwealth of Massachusetts (index map). Across the State, these materials range in thickness from a few feet to more than 500 feet (ft). In...
Correlation of the Tuscaloosa marine shale in Mississippi, Louisiana, and east Texas, U.S.A.
William A. Rouse, Catherine B. Enomoto, Nicholas J. Gianoutsos
2018, GCAGS Transactions (68) 461-476
The U.S. Geological Survey (USGS) completed an assessment of undiscovered, technically recoverable unconventional petroleum resources in the Upper Cretaceous marine shale of the Tuscaloosa Group (Tuscaloosa marine shale; TMS) in 2018. As part of the geologic characterization in preparation for the assessment, a series of wireline log cross sections...
Explosive eruptions at the summit of Mauna Loa: Lithology, modeling, and dating
Frank A. Trusdell, Jefferson Hungerford, John Stone, Keith Fifield, Kaitlin McCann, Harold Wershow, Shikma Zaarur, Melissa Dimeo Boyd
2018, Book chapter, Field volcanology: A tribute to the distinguished career of Don Swanson
Near Moku‘āweoweo, Mauna Loa’s summit caldera, there are three fans of explosive deposits. The fans, located to the west, northwest, and east, are strongly arcuate in map view. Along ‘Āinapō Trail, 2.8–3.5 km southeast of the caldera, there are several small kīpuka that expose a fourth explosive deposit. Although these...
Water
Upmanu Lall, Thomas M. Johnson, Peter Colohan, Amir AghaKouchak, Casey L. Brown, Gregory J. McCabe, Roger Pulwarty, Sankar Arumugam
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
Ensuring a reliable supply of clean freshwater to individuals, communities, and ecosystems, together with effective management of floods and droughts, is the foundation of human and ecological health. The water sector is also central to the economy and contributes significantly to the resilience of many other...
Coastal effects
Elizabeth Fleming, Jeffrey Payne, William V. Sweet, Michael Craghan, John W. Haines, Juliette Finzi Hart, Heidi Stiller, Ariana Sutton-Grier
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
The Coasts chapter of the Third National Climate Assessment, published in 2014, focused on coastal lifelines at risk, economic disruption, uneven social vulnerability, and vulnerable ecosystems. This Coastal Effects chapter of the Fourth National Climate Assessment updates those themes, with a focus on integrating the socioeconomic and...
Alaska
Carl Markon, Stephen T. Gray, Matthew Berman, Laura Eerkes-Medrano, Thomas Hennessy, Henry P. Huntington, Jeremy S. Littell, Molly McCammon, Richard Thoman, Sarah Trainor
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
Alaska is the largest state in the Nation, almost one-fifth the size of the combined lower 48 United States, and is rich in natural capital resources. Alaska is often identified as being on the front lines of <a class="glossarizer_replaced" title="Changes in average weather conditions that persist over multiple decades or longer....
Land cover and land use change
Benjamin M. Sleeter, Thomas Loveland, Grant Domke, Nate Herold, James Wickham, Nathan J. Wood
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
Climate can affect and be affected by changes in land cover (the physical features that cover the land such as trees or pavement) and land use (human management and activities on land, such as mining...
Northeast
Lesley-Ann L. Dupigny-Giroux, Ellen L. Mecray, Mary D. Lemcke-Stampone, Glenn A. Hodgkins, Erika E. Lentz, Katherine E. Mills, Erin D. Lane, Rawlings Miller, David Y. Hollinger, William D. Solecki, Gregory A. Wellenius, Perry E. Sheffield, Anthony B. McDonald, Christopher Caldwell
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
The distinct seasonality of the Northeast’s climate supports a diverse natural landscape adapted to the extremes of cold, snowy winters and warm to hot, humid summers. This natural landscape provides the economic and cultural foundation for many rural communities, which are largely supported by a diverse range of agricultural, tourism,...
Hawai‘i and U.S.-Affiliated Pacific Islands
Victoria Keener, David Helweg, Susan Asam, Seema Balwani, Maxine Burkett, Charles Fletcher, Thomas Giambelluca, Zena Grecni, Malia Nobrega-Olivera, Jeffrey Polovina, Gordon Tribble
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
The U.S. Pacific Islands are culturally and environmentally diverse, treasured by the 1.9 million people who call them home. Pacific islands are particularly vulnerable to climate change impacts due to their exposure and isolation, small size, low elevation (in the case of atolls), and concentration...
Ecosystems, Ecosystem Services, and Biodiversity
Douglas Lipton, Madeleine A. Rubenstein, Sarah R. Weiskopf, Shawn L. Carter, Jay Peterson, Lisa Crozier, Michael Fogarty, Sarah Gaichas, Kimberly J. W. Hyde, Toni Lyn Morelli, Jeffrey Morisette, Hassan Moustahfid, Roldan Munoz, Rajendra Poudel, Michelle D. Staudinger, Charles Stock, Laura Thompson, Robin S. Waples, Jake Weltzin
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
Biodiversity—the variety of life on Earth—provides vital services that support and improve human health and well-being. Ecosystems, which are composed of living things that interact with the physical environment, provide numerous essential benefits to people. These benefits, termed ecosystem services, encompass four primary functions:...
Southeast
Lynne Carter, Adam J. Terando, Kirstin Dow, Kevin Hiers, Kenneth E. Kunkel, Aranzazu R. Lascurain, Doug Marcy, Michael J. Osland, Paul Schramm
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
The Southeast includes vast expanses of coastal and inland low-lying areas, the southern portion of the Appalachian Mountains, numerous high-growth metropolitan areas, and large rural expanses. These beaches and bayous, fields and forests, and cities and small towns are all at risk from a changing climate. While...
U.S. Caribbean
William A. Gould, Ernesto L. Diaz, Nora L. Alvarez-Berrios, Felix Aponte-Gonzalez, Wayne Archibald, Jared H. Bowden, Lisamarie Carrubba, Wanda Crespo, Stephen J. Fain, Grizelle Gonzalez, Annmarie Goulbourne, Eric Harmsen, Eva Holupchinski, Azad H. Khalyani, James P. Kossin, Amanda J. Leinberger, Vanessa I. Marrero-Santiago, Odalys Martinez-Sanchez, Kathleen McGinley, Pablo Mendez-Lazaro, Julio Morrell, Melissa Melendez Oyola, Isabel K. Pares-Ramos, Roger Pulwarty, William V. Sweet, Adam J. Terando, Sigfredo Torres-González
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
Historically, the U.S. Caribbean region has experienced relatively stable seasonal rainfall patterns, moderate annual temperature fluctuations, and a variety of <a class="glossarizer_replaced" title="A weather event that is rare at a particular place and time of year, including, for example, heat waves, cold waves, heavy rains, periods of drought and flooding, and...
Northern Great Plains
Richard T. Conant, Doug Kluck, Mark T. Anderson, Andrew Badger, Barbara M. Boustead, Justin D. Derner, Laura Farris, Michael Hayes, Ben Livneh, Shannon McNeeley, Dannele Peck, Martha Shulski, Valerie Small
David Reidmiller, C. W. Avery, D. R. Easterling, K. E. Kunkel, K. L. M. Lewis, T. K. Maycock, B. C. Stewart, editor(s)
2018, Report, Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II
In the Northern Great Plains, the timing and quantity of both precipitation and runoff have important consequences for water supplies, agricultural activities, and energy production. Overall, climate projections suggest that the number of heavy precipitation events (events with greater than 1 inch per day of rainfall) is projected to increase....
Shrimp U-Pb zircon and opal geochronology, isotope geochemistry, and genesis of the super large Be deposit at Spor Mountain, Utah, USA
Nora K. Foley, Robert A. Ayuso
2018, Conference Paper, Magmatism of the Earth and related Strategic Metal Deposits
Ongoing studies of the Spor Mountain beryllium (Be) deposit are focused on (1) characterizing the role of igneous rocks in the genesis of the ore zones, (2) determining the timing and duration of magmatic-hydrothermal events, and (3) establishing processes related to beryllium transport and accumulation. The Spor Mountain Formation (SMF)...
Preliminary 2018 national seismic hazard model for the conterminous United States
Mark D. Petersen, Allison M. Shumway, Peter M. Powers, Charles Mueller, Sanaz Rezaeian, Morgan P. Moschetti, Daniel E. McNamara, Eric M. Thompson, Oliver S. Boyd, Nico Luco, Susan M. Hoover, Kenneth S. Rukstales
2018, Conference Paper, Earthquake Engineering. National Conference. 11TH 2018. (11NCEE) (12 Vols) Integrating Science, Engineering, and Policy
The 2014 U.S. Geological Survey national seismic hazard model for the conterminous U.S. will be updated in 2018 and 2020 to coincide with the Building Seismic Safety Council’s Project 17 timeline for development of new building code design criteria. The two closely timed updates are planned to allow more time...
Airborne geophysical characterizationof geologic structure in a mountain headwater system, upper East River, Colorado
Burke J. Minsley, Lyndsay B. Ball
2018, Conference Paper
Geologic controls on groundwater flow, particularly in tectonically and topographically complex mountainous terrain, can be difficult to quantify without a detailed understanding of the regional subsurface geologic structure. This structure can influence the magnitude of groundwater flow through the mountain block, which in turn impacts groundwater composition and the flux...
Crisis remote sensing during the 2018 lower East Rift Zone eruption of Kīlauea Volcano
Michael H. Zoeller, Matthew R. Patrick, Christina A. Neal
2018, Photogrammetric Engineering & Remote Sensing (84) 749-751
Kīlauea Volcano, Hawai‘i, is renowned as one of the most active and closely monitored volcanoes on Earth. Scores of seismometers and deformation sensors form an array across the volcano to detect subsurface magmatic activity, and ground observers track eruptions on the surface. In addition to this dense ground-based monitoring, remote...
