GRACE storage change characteristics (2003–2016) over major surface basins and principal aquifers in the Conterminous United States
Naga Manohar Velpuri, Gabriel B. Senay, Jessica M. Driscoll, Samuel Saxe, Lauren E. Hay, William H. Farmer, Julie E. Kiang
2019, Remote Sensing (936) 1-22
In this research, we characterized the changes in Gravity Recovery and Climate Experiment’s (GRACE) monthly total water storage anomaly (TWSA) in 18 surface basins and 12 principal aquifers in the Conterminous United States (CONUS) over 2003–2016. Regions with high variability in storage were identified. Ten basins and 4 aquifers showed...
Landsat 9
U.S. Geological Survey
2019, Fact Sheet 2019-3008
Landsat 9 is a partnership between the National Aeronautics and Space Administration and the U.S. Geological Survey that will continue the Landsat program’s critical role of repeat global observations for monitoring, understanding, and managing Earth’s natural resources. Since 1972, Landsat data have provided a unique resource for those who work...
Use of a Numerical Model to Simulate the Hydrologic System and Transport of Contaminants Near Joint Base Cape Cod, Western Cape Cod, Massachusetts
Donald A. Walter, Timothy D. McCobb, Michael N. Fienen
2019, Scientific Investigations Report 2018-5139
Historical training and operational activities at Joint Base Cape Cod (JBCC) on western Cape Cod, Massachusetts, have resulted in the release of contaminants into an underlying glacial aquifer that is the sole source of water to the surrounding communities. Remedial systems have been installed to contain and remove contamination from...
Groundwater-Level Elevations in the Denver Basin Bedrock Aquifers of Elbert County, Colorado, 2015–18
Colin A. Penn, Rhett R. Everett
2019, Scientific Investigations Report 2019-5014
Public and domestic water supplies in Elbert County, Colorado, rely on groundwater withdrawals from five bedrock aquifers in the Denver Basin aquifer system (lower Dawson, upper Dawson, Denver, Arapahoe, and Laramie-Fox Hills) to meet water demands. Increased pumping in response to regional population growth and development has led to declining...
Strontium isotopes reveal ephemeral streams used for spawning and rearing by an imperiled potamodromous cyprinid--Clear Lake hitch Lavinia exilicauda chi
Frederick V. Feyrer, George Whitman, Matthew J. Young, Rachel C. Johnson
2019, Marine and Freshwater Research
Identification of habitats responsible for the successful production and recruitment of rare migratory species is a challenge in conservation biology. Here, a tool was developed to assess life stage linkages for the threatened potamodromous cyprinid Clear Lake hitch Lavinia exilicauda chi. Clear Lake hitch undertake migrations from Clear Lake...
Birth and evolution of the Virgin River fluvial system: ∼1 km of post–5 Ma uplift of the western Colorado Plateau
Cory Walk, Karl Karlstrom, Ryan S. Crow, Matt Heizler
2019, Geosphere (15) 759-782
The uplift history of the Colorado Plateau has been debated for over a century with still no unified hypotheses for the cause, timing, and rate of uplift. 40Ar/39Ar and K/Ar dating of recurrent basaltic volcanism over the past ∼6 Ma within the Virgin River drainage system, southwest Utah, northwest Arizona, and...
Drought forecasting for streams and groundwaters in northeastern United States
Samuel H. Austin, Robert W. Dudley
2019, Fact Sheet 2019-3015
BackgroundWhen rainfall is lower than normal over an extended period, streamflows decline, groundwater levels fall, and hydrological drought can occur. Droughts can reduce the water available for societal needs, such as public and private drinking-water supplies, farming, and industry, and for ecological health, such as maintenance of water quality and...
Submarine permafrost map in the arctic modelled using 1D transient heat flux (SuPerMAP)
P.P. Overduin, T. Schneider, F. Miesner, M.N. Grigoriev, Carolyn D. Ruppel, A. Vasiliev, H. Lantuit, B. Juhls, S. Westermann
2019, Journal of Geophysical Research C: Oceans (124) 3490-3507
Offshore permafrost plays a role in the global climate system, but observations of permafrost thickness, state, and composition are limited to specific regions. The current global permafrost map shows potential offshore permafrost distribution based on bathymetry and global sea level rise. As a first‐order estimate, we employ a heat transfer...
Carbon dioxide enhanced oil recovery and residual oil zone studies at the U.S. Geological Survey
Peter D. Warwick, Emil D. Attanasi, Madalyn S. Blondes, Sean T. Brennan, Marc L. Buursink, Colin A. Doolan, Philip A. Freeman, Hossein Jahediesfanjani, C. Ozgen Karacan, Celeste D. Lohr, Matthew D. Merrill, Ricardo A. Olea, Jacqueline N. Roueche, Jenna L. Shelton, Ernie Slucher, Brian A. Varela, Mahendra K. Verma
2019, Conference Paper
The U.S. Geological Survey (USGS) is preparing a national resource assessment of the potential hydrocarbons recoverable after injection of carbon dioxide (CO2) into conventional oil reservoirs in the United States. The implementation of CO2-enhanced oil recovery (CO2-EOR) techniques can increase hydrocarbon production, and lead to incidental retention of CO2 in...
Long-term population dynamics of dreissenid mussels (Dreissena polymorpha and D. rostriformis): A cross-system analysis
David L. Strayer, Boris V. Adamovich, Rita Adrian, David C. Aldridge, Csilla Balogh, Lyubov E. Burlakova, Hannah Fried-Petersen, Laszlo G.-Toth, Amy L. Hetherington, Thomas S. Jones, Alexander Y. Karatayev, Jacqueline B. Madill, Oleg A. Makarevich, J. Ellen Marsden, Andre L. Martel, Dan Minchin, Thomas F. Nalepa, Ruurd Noordhuis, Timothy J. Robinson, Lars G. Rudstam, Astrid N. Schwalb, David R. Smith, Alan D. Steinman, Jonathan M. Jeschke
2019, Ecosphere (10)
Dreissenid mussels (including the zebra mussel Dreissena polymorpha and the quagga mussel D. rostriformis) are among the world's most notorious invasive species, with large and widespread ecological and economic effects. However, their long‐term population dynamics are poorly known, even though these dynamics are critical to determining impacts and effective management. We gathered and analyzed...
Understanding and mitigating bee drownings in open feeders
Nimish B. Vyas, Amanda D. Plunkett, Evelynn Enciso, Victor Torrez
2019, Bee World (96) 92-95
Whereas open feeders are relatively inexpensive and are easily set up and maintained, they do present a drowning hazard to bees. We observed that bees feeding off the walls of the open container fell into the sugar water because of their incarnation, interactions with other bees and when shooed off...
Precipitation and temperature drive continental scale patterns in stream invertebrate production
Christopher J. Patrick, D. McGarvey, James H. Larson, W. Cross, D. Allen, A. Benke, T. Brey, A. Huryn, J. Douglas Jones, C. Murphy, C. Ruffing, P. Saffarinia, M. Whiles, B. P. Wallace, G. Woodward
2019, Nature (5)
Secondary production, the growth of new heterotrophic biomass, is a key process in aquatic and terrestrial ecosystems that has been carefully measured in many flowing water ecosystems. We combine structural equation modeling with the first worldwide dataset on annual secondary production of stream invertebrate communities to reveal core pathways linking...
Ground-motion attenuation in the Sacramento-San Joaquin delta, California, from 14 Bay Area earthquakes, including the 2014 M 6.0 South Napa earthquake
Jemile Erdem, Jack Boatwright, Jon Peter B. Fletcher
2019, Bulletin of the Seismological Society of America (109) 1025-1033
Peak ground motions (acceleration and velocity) radiated by earthquakes in the San Francisco Bay area and recorded within the Sacramento–San Joaquin Delta generally attenuate faster with distance than the Next Generation Attenuation-West2 ground-motion prediction equations (GMPEs). We evaluate the attenuation for a wide set of paths into the Delta by...
Methane emissions from artificial waterbodies dominate the carbon footprint of irrigation: A study of transitions in the food-energy-water-climate nexus (Spain, 1900-2014)
Eduardo Aguilera, Jaime Vila-Traver, Bridget Deemer, Juan Infante-Amate, Gloria I. Guzman, Manuel Gonzalez de Molina
2019, Environmental Science & Technology
Irrigation in the Mediterranean region has been used for millennia and has greatly expanded with industrialization. Irrigation is critical for climate change adaptation, but it is also an important source of greenhouse gas emissions. This study analyzes the carbon (C) footprint of irrigation in Spain, covering the...
Streptomyces corynorhini sp. nov., isolated from Townsend’s big-eared bats (Corynorhinus townsendii)
Paris S. Hamm, Nicole A. Caimi, Diana E. Northup, Ernest W. Valdez, Debbie C. Buecher, Christopher A. Dunlap, David P. Labeda, Andrea Porras-Alfaro
2019, Antonie van Leeuwenhoek (112) 1297-1305
Four bacterial strains, with the capability of inhibiting Pseudogymnoascus destructans, the causative agent of white-nose syndrome, were isolated from male Townsend’s big-eared bats (Corynorhinus townsendii, Family: Vespertilionidae) in New Mexico. Isolates AC161, AC162, AC208, and AC230T were characterised as a novel clade using morphological, phenotypic and phylogenetic analysis....
Fish assemblage structure and fisheries resources in Puerto Rico’s riverine estuaries
A.C. Engman, Thomas J. Kwak, J.R. Fischer, C.G. Lilyestrom
2019, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science (11) 189-201
Tropical estuaries are diverse and productive habitats with respect to their fish assemblages and associated fisheries, but these ecosystems and fisheries are imperiled by multiple anthropogenic threats. Despite the economic, social, and biodiversity value of tropical estuarine fish assemblages, they are poorly understood, especially those on...
Sitting ducklings: Timing of hatch, nest departure, and predation risk for dabbling duck broods
Sarah H. Peterson, Joshua T. Ackerman, Mark P. Herzog, Christopher Hartman, Rebecca Croston, Cliff L. Feldheim, Michael L. Casazza
2019, Ecology and Evolution (9) 5490-5500
For ground‐nesting waterfowl, the timing of egg hatch and duckling departure from the nest may be influenced by the risk of predation at the nest and en route to wetlands and constrained by the time required for ducklings to imprint on the hen and be physically...
Quantifying risk of whale–vessel collisions across space, time, and management policies
Nathan J. Crum, Timothy A. Gowan, Andrea Krzystan, Julien Martin
2019, Ecosphere (10)
Transportation industries can negatively impact wildlife populations, including through increased risk of mortality. To mitigate this risk successfully, managers and conservationists must estimate risk across space, time, and alternative management policies. Evaluating this risk at fine spatial and temporal scales can be challenging, especially in systems where wildlife–vehicle collisions are...
Water-level data for the Albuquerque Basin and adjacent areas, central New Mexico, period of record through September 30, 2017
Joseph E. Beman, Andre B. Ritchie, Amy E. Galanter
2019, Data Series 1113
The Albuquerque Basin, located in central New Mexico, is about 100 miles long and 25–40 miles wide. The basin is hydrologically defined as the extent of consolidated and unconsolidated deposits of Tertiary and Quaternary age that encompasses the structural Rio Grande Rift between San Acacia to the south and Cochiti...
Mechanisms of a coniferous refugium persistence under drought and heat
Nate G. McDowell, Charlotte Grossiord, Henry D. Adams, Sara Pinzon-Navarro, D. Scott MacKay, Dave Breshears, Craig D. Allen, Isaac Borrego, L. Turin Dickman, Adam D. Collins
2019, Environmental Research Letters (14)
Predictions of warmer droughts causing increasing forest mortality are becoming abundant, yet few studies have investigated the mechanisms of forest persistence. To examine the resistance of forests to warmer droughts, we used a five-year precipitation reduction (~45% removal), heat (+4 °C above ambient) and combined drought and...
Examination of Bathymodiolus childressi nutritional sources, isotopic niches, and food-web linkages at two seeps in the US Atlantic margin using stable isotope analysis and mixing models
Amanda Demopoulos, Jennifer McClain Counts, Jill R. Bourque, Nancy G. Prouty, Brian Smith, Sandra Brooke, Steve W. Ross, Carolyn Ruppel
2019, Deep Sea Research Part A, Oceanographic Research Papers (148) 53-66
Chemosynthetic environments support distinct benthic communities capable of utilizing reduced chemical compounds for nutrition. Hundreds of methane seeps have been documented along the U.S. Atlantic margin (USAM), and detailed investigations at a few seeps have revealed distinct environments containing mussels, microbial mats, authigenic carbonates, and soft sediments. The dominant mussel, Bathymodiolus childressi, contains methanotrophic endosymbionts but is also capable of filter...
North-facing slopes and elevation shape asymmetric genetic structure in the range-restricted salamander Plethodon shenandoah
KP Mulder, Nandadevi Cortes-Rodriguez, Adrianne B. Brand, Evan H. Campbell Grant, Robert C. Fleischer
2019, Ecology and Evolution (9) 5094-5105
Species with narrow environmental preferences are often distributed across fragmented patches of suitable habitat, and dispersal among subpopulations can be difficult to directly observe. Genetic data collected at population centers can help quantify gene flow, which is especially important for vulnerable species with a disjunct range. Plethodon shenandoah is a...
Patterns of acoustical activity of bats prior to and 10 years after WNS on Fort Drum Army Installation, New York
Tomás Nocera, W. Mark Ford, Alexander Silvis, Christopher A. Dobony
2019, Global Ecology and Conservation (18)
Previous acoustic surveys, netting, and count data have shown that overall bat activity patterns have shifted among most species between pre- and post-white-nose syndrome (WNS) years in much of North America where WNS has occurred. However, the significance of these changes is based on the species-specific susceptibility to WNS. We used...
Monitoring the Riverine Pulse: Applying high-frequency nitrate data to advance integrative understanding of biogeochemical and hydrological processes
Douglas A. Burns, Brian A. Pellerin, Matthew P. Miller, Paul Capel, Anthony J. Tesoriero, Jonathan M. Duncan
2019, WIREs Water
Widespread deployment of sensors that measure river nitrate (NO3-) concentrations has led to many recent publications in water resources journals including review papers focused on data quality assurance, improved load calculations, and better nutrient management. The principal objective of this paper is to review and synthesize studies of high-frequency NO3-...
Peak ground displacement saturates exactly when expected: Implications for earthquake early warning
Daniel T. Trugman, Morgan T. Page, Sarah E. Minson, Elizabeth S. Cochran
2019, Journal of Geophysical Research B: Solid Earth (124) 4642-4653
The scaling of rupture properties with magnitude is of critical importance to earthquake early warning (EEW) systems that rely on source characterization using limited snapshots of waveform data. ShakeAlert, a prototype EEW system that is being developed for the western United States, provides real-time estimates of earthquake magnitude based on...