Hydrogeology of the Ramapo River-Woodbury Creek valley-fill aquifer system and adjacent areas in eastern Orange County, New York
Paul M. Heisig
2015, Scientific Investigations Report 2014-5156
The hydrogeology of the valley-fill aquifer system and surrounding watershed areas was investigated within a 23-mile long, fault-controlled valley in eastern Orange County, New York. Glacial deposits form a divide within the valley that is drained to the north by Woodbury Creek and is drained to the south by the...
Soil greenhouse gas emissions and carbon budgeting in a short-hydroperiod floodplain wetland
Jackie Batson, Gregory B. Noe, Cliff R. Hupp, Ken W. Krauss, Nancy B. Rybicki, Edward R. Schenk
2015, Journal of Geophysical Research: Biogeosciences (120) 77-95
Understanding the controls on floodplain carbon (C) cycling is important for assessing greenhouse gas emissions and the potential for C sequestration in river-floodplain ecosystems. We hypothesized that greater hydrologic connectivity would increase C inputs to floodplains that would not only stimulate soil C gas emissions but also sequester more C...
Patterns of floodplain sediment deposition along the regulated lower Roanoke River, North Carolina: annual, decadal, centennial scales
Cliff R. Hupp, Edward R. Schenk, Daniel Kroes, Debra A. Willard, Phil A. Townsend, Robert K. Peet
2015, Geomorphology (228) 666-680
The lower Roanoke River on the Coastal Plain of North Carolina is not embayed and maintains a floodplain that is among the largest on the mid-Atlantic Coast. This floodplain has been impacted by substantial aggradation in response to upstream colonial and post-colonial agriculture between the mid-eighteenth and mid-nineteenth centuries. Additionally,...
Geochemical evolution of groundwater in the Mud Lake area, eastern Idaho, USA
Gordon W. Rattray
2015, Environmental Earth Sciences (73) 8251-8269
Groundwater with elevated dissolved-solids concentrations—containing large concentrations of chloride, sodium, sulfate, and calcium—is present in the Mud Lake area of Eastern Idaho. The source of these solutes is unknown; however, an understanding of the geochemical sources and processes controlling their presence in groundwater in the Mud Lake area is needed...
Central Appalachian basin natural gas database: distribution, composition, and origin of natural gases
Yomayra A. Roman Colon, Leslie F. Ruppert
2015, Open-File Report 2014-1207
The U.S. Geological Survey (USGS) has compiled a database consisting of three worksheets of central Appalachian basin natural gas analyses and isotopic compositions from published and unpublished sources of 1,282 gas samples from Kentucky, Maryland, New York, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia. The database includes field and reservoir...
Evaluation of development options for Alaska North Slope viscous and heavy oil
Emil D. Attanasi, Philip A. Freeman
2015, Natural Resources Research (24) 85-106
Current estimates of discovered viscous and heavy oil in Alaska’s North Slope are 12 billion barrels of oil-in-place and 12–18 billion barrels of oil-in-place, respectively (see Appendix 1 for conversion to SI units). Since the early 1990s to the end of 2010, cumulative viscous oil production has amounted to...
Detrital zircon U-Pb provenance of the Colorado River: A 5 m.y. record of incision into cover strata overlying the Colorado Plateau and adjacent regions
David L. Kimbrough, Marty Grove, George E. Gehrels, Rebecca J. Dorsey, Keith A. Howard, Oscar Lovera, Andres Aslan, Kyle House, Philip A. Pearthree
2015, Geosphere (11) 1719-1748
New detrital zircon U-Pb age distributions from 49 late Cenozoic sandstones and Holocene sands (49 samples, n = 3922) record the arrival of extra-regional early Pliocene Colorado River sediment at Grand Wash (western USA) and downstream locations ca. 5.3 Ma and the subsequent evolution of the river’s provenance signature. We...
Simulations of potential future conditions in the cache critical groundwater area, Arkansas
Haveen M. Rashid, Brian R. Clark, Hanan H. Mahdi, Hanadi S. Rifai, Haydar J. Al-Shukri
2015, Environmental & Engineering Geoscience (21) 1-19
A three-dimensional finite-difference model for part of the Mississippi River Valley alluvial aquifer in the Cache Critical Groundwater Area of eastern Arkansas was constructed to simulate potential future conditions of groundwater flow. The objectives of this study were to test different pilot point distributions to find reasonable estimates of aquifer...
Kilauea's 5-9 March 2011 Kamoamoa fissure eruption and its relation to 30+ years of activity from Pu'u 'Ō'ō
Tim R. Orr, Michael P. Poland, Matthew R. Patrick, Weston A. Thelen, A.J. Sutton, Tamar Elias, Carl R. Thornber, Carolyn Parcheta, Kelly M. Wooten
Rebecca Carey, Valerie Cayol, Michael P. Poland, Dominique Weis, editor(s)
2015, Book chapter, Hawaiian volcanoes: From source to surface
Lava output from Kīlauea's long-lived East Rift Zone eruption, ongoing since 1983, began waning in 2010 and was coupled with uplift, increased seismicity, and rising lava levels at the volcano's summit and Pu‘u ‘Ō‘ō vent. These changes culminated in the four-day-long Kamoamoa fissure eruption on the East Rift...
Shippingport, Kentucky, is the type locality for the white-footed mouse, Peromyscus leucopus (Rafinesque, 1818) (Mammalia: Rodentia: Cricetidae)
Neal Woodman
2015, Proceedings of the Biological Society of Washington (182) 152-163
The white-footed mouse, Musculus leucopus Rafinesque, 1818 (= Peromyscus leucopus), is a common small mammal that is widespread in the eastern and central United States. Its abundance in many habitats renders it ecologically important, and its status as a reservoir for hantavirus and Lyme disease gives the species medical and...
Oxic to anoxic transition in bottom waters during formation of the Citronen Fjord sediment-hosted Zn-Pb deposit, North Greenland
John F. Slack, Diogo Rosa, Hendrik Falck
2015, Conference Paper, 13th Biennial Meeting of the Society for Geology Applied to Mineral Deposits
Bulk geochemical data acquired for host sedimentary rocks to the Late Ordovician Citronen Fjord sediment-hosted Zn-Pb deposit in North Greenland constrain the redox state of bottom waters prior to and during sulphide mineralization. Downhole profiles for one drill core show trends for redox proxies (MnO, Mo, Ce anomalies) that suggest...
Songbirds as sentinels of mercury in terrestrial habitats of eastern North America
Allyson K. Jackson, David C. Evers, Evan M. Adams, Daniel A. Cristol, Collin A. Eagles-Smith, Samuel T. Edmonds, Carrie E. Gray, Bart Hoskins, Oksana P. Lane, Amy Sauer, Timothy Tear
2015, Ecotoxicology (24) 453-467
Mercury (Hg) is a globally distributed environmental contaminant with a variety of deleterious effects in fish, wildlife, and humans. Breeding songbirds may be useful sentinels for Hg across diverse habitats because they can be effectively sampled, have well-defined and small territories, and can integrate pollutant exposure over time and space....
Structural superposition in fault systems bounding Santa Clara Valley, California
Russell W. Graymer, Richard G. Stanley, David A. Ponce, Robert C. Jachens, Robert W. Simpson, Carl M. Wentworth
2015, Geosphere (11) 63-75
Santa Clara Valley is bounded on the southwest and northeast by active strike-slip and reverse-oblique faults of the San Andreas fault system. On both sides of the valley, these faults are superposed on older normal and/or right-lateral normal oblique faults. The older faults comprised early components of the San Andreas...
Monitoring Eastern Spadefoot (Scaphiopus holbrookii) response to weather with the use of a passive integrated transponder (PIT) system
Kevin J. Ryan, Aram J.K. Calhoun, Brad C. Timm, Joseph D. Zydlewski
2015, Journal of Herpetology (49) 257-263
Eastern Spadefoots (Scaphiopus holbrookii) are probably one of the least-understood amphibian species in the United States. In New England, populations are localized and it is likely that some populations go undocumented because of the species' cryptic habits. We used passive integrated transponders (PIT tags) to monitor burrow emergence with the...
A sinuous tumulus over an active lava tube at Kīlauea Volcano: evolution, analogs, and hazard forecasts
Tim R. Orr, Jacob E. Bleacher, Matthew R. Patrick, Kelly M. Wooten
2015, Journal of Volcanology and Geothermal Research (291) 35-48
Inflation of narrow tube-fed basaltic lava flows (tens of meters across), such as those confined by topography, can be focused predominantly along the roof of a lava tube. This can lead to the development of an unusually long tumulus, its shape matching the sinuosity of the underlying lava tube. Such...
Spatial patterns of atmospheric deposition of nitrogen and sulfur using ion-exchange resin collectors in Rocky Mountain National Park, USA
David W. Clow, Heidi Roop, Leora Nanus, Mark Fenn, Graham A. Sexstone
2015, Atmospheric Environment (101) 149-157
Lakes and streams in Class 1 wilderness areas in the western United States (U.S.) are at risk from atmospheric deposition of nitrogen (N) and sulfur (S), and protection of these resources is mandated under the Federal Clean Air Act and amendments. Assessment of critical loads, which are the maximum exposure...
Use of flux and morphologic sediment budgets for sandbar monitoring on the Colorado River in Marble Canyon, Arizona
Paul E. Grams, Daniel D. Buscombe, David J. Topping, Joseph E. Hazel Jr., Matt Kaplinski
2015, Conference Paper, Proceedings of the joint federal interagency conference 2015
The magnitude and pfattern of streamflow and sediment supply of the Colorado River in Grand Canyon (Figure 1) has been affected by the existence and operations of Glen Canyon Dam since filling of Lake Powell Reservoir began in March 1963. In the subsequent 30 years, fine sediment was scoured from...
Continuous monitoring of meteorological conditions and movement of a deep-seated, persistently moving rockslide along Interstate Route 79 near Pittsburgh
Francis Ashland, Helen L. Delano
2015, Pennsylvania Geology (45) 22-26
A large inventory of landslides exists for Allegheny County, Pa., and historical movement of manyof these has resulted in considerable damage to property, roads, and infrastructure. Along InterstateRoute 79, a subset of the landslide inventory includes deep-seated rockslides, two of which reactivatedduring construction of the highway in the late 1960s...
Evidence for intercontinental parasite exchange through molecular detection and characterization of haematozoa in northern pintails (Anas acuta) sampled throughout the North Pacific Basin
Andrew M. Ramey, Joel A. Schmutz, John A. Reed, Go Fujita, Bradley D. Scotton, Bruce Casler, Joseph P. Fleskes, Kan Konishi, Kiyoshi Uchida, Michael J. Yabsley
2015, International Journal for Parasitology: Parasites and Wildlife (4) 11-21
Empirical evidence supports wild birds as playing a role in the interhemispheric exchange of bacteria and viruses; however, data supporting the redistribution of parasites among continents are limited. In this study, the hypothesis that migratory birds contribute to the redistribution of parasites between continents was tested by sampling northern pintails...
Elk habitat suitability map for North Carolina
Steven G. Williams, David T. Cobb, Jaime A. Collazo
2015, Journal of the Southeastern Association of Fish and Wildlife Agencies (2) 181-186
Although eastern elk (Cervus elaphus canadensis) were extirpated from the eastern United States in the 19th century, they were successfully reintroduced in the North Carolina portion of the Great Smoky Mountains National Park in the early 2000s. The North Carolina Wildlife Resources Commission (NCWRC) is evaluating the prospect of reintroducing...
Estimating switchgrass productivity in the Great Plains using satellite vegetation index and site environmental variables
Yingxin Gu, Bruce K. Wylie, Daniel M. Howard
2015, Ecological Indicators (48) 472-476
Switchgrass is being evaluated as a potential feedstock source for cellulosic biofuels and is being cultivated in several regions of the United States. The recent availability of switchgrass land cover maps derived from the National Agricultural Statistics Service cropland data layer for the conterminous United States provides an opportunity to...
San Andreas tremor cascades define deep fault zone complexity
David R. Shelly
2015, Nature Geoscience (8) 145-252
Weak seismic vibrations - tectonic tremor - can be used to delineate some plate boundary faults. Tremor on the deep San Andreas Fault, located at the boundary between the Pacific and North American plates, is thought to be a passive indicator of slow fault slip. San Andreas Fault tremor migrates at...
Lake Ontario benthic prey fish assessment, 2014
Brian Weidel, Maureen Walsh
2015, Report, 2014 Annual Report Bureau of Fisheries Lake Ontario Unit and St. Lawrence River Unit to the Great Lakes Fishery Commission’s Lake Ontario Committee
Benthic prey fishes are an important component of the Lake Ontario fish community and serve as vectors that move energy from benthic invertebrates into native and introduced sport fishes. Since the 1970’s, the USGS Lake Ontario Biological Station has assessed benthic fish populations and community dynamics with bottom trawls at...
Aftershocks illuminate the 2011 Mineral, Virginia, earthquake causative fault zone and nearby active faults
J. Wright Horton Jr., Anjana K. Shah, Daniel E. McNamara, Stephen L. Snyder, Aina M Carter
2015, Special Paper of the Geological Society of America (509) 253-271
Deployment of temporary seismic stations after the 2011 Mineral, Virginia (USA), earthquake produced a well-recorded aftershock sequence. The majority of aftershocks are in a tabular cluster that delineates the previously unknown Quail fault zone. Quail fault zone aftershocks range from ~3 to 8 km in depth and are in a...
Preface
J. Wright Horton Jr., Martin C. Chapman, Russell A. Green
2015, Geological Society of America Special Papers (509) vii-vii
This book grew out of a topical session on “Central Virginia Earthquakes of 2011: Geology, Geophysics, and Significance for Seismic Hazards in Eastern North America” at the 2012 The Geological Society of America (GSA) Annual Meeting in Charlotte, North Carolina (USA). It also benefitted from related sessions...
