Morphodynamic resilience of intertidal mudflats on a seasonal time scale
Mick Van der Wegen, Dano Roelvink, Bruce E. Jaffe
2019, JGR Oceans (124) 8290-8308
Intertidal mudflats are morphodynamic features present in many estuaries worldwide. Often located between vegetated shores and deep channels they comprise valuable ecosystems and serve to protect the hinterland by attenuating waves. Although mudflats are persistently present on yearly to decadal time scales, little is known on their morphodynamic adaptation to...
Holocene Sea-Level Variability from Chesapeake Bay Tidal Marshes
Thomas M. Cronin, Megan K. Clevenger, Neil E. Tibert, Tammy Prescott, Michael Toomey, J. Bradford Hubeny, Mark B. Abbott, Julia Seidenstein, Hannah Whitworth, Samuel R Fisher, Nick Wondolowski, Anna Ruefer
2019, Holocene (29) 1979-1693
We reconstructed the last 10,000 years of Holocene relative sea-level rise (RSLR) from sediment core records in near Chesapeake Bay, eastern U.S.A., including new marsh records from the Potomac and Rappahannock Rivers, Virginia. Results show mean RSLR rates of 2.6 mm yr-1 from 10 to 8 kilo-annum (ka) due...
River water-quality concentration and flux estimation can be improved by accounting for serial correlation through an autoregressive model
Qian Zhang, Robert M. Hirsch
2019, Water Resources Research (55) 9705-9723
Accurate quantification of riverine water‐quality concentration and flux is challenging because monitoring programs typically collect concentration data at lower frequencies than discharge data. Statistical methods are often used to estimate concentration and flux on days without observations. One recently developed approach is the Weighted Regressions on Time, Discharge, and Season...
Infrasound from giant bubbles during explosive submarine eruptions
John J. Lyons, Matthew M. Haney, David Fee, Aaron Wech, Christopher F. Waythomas
2019, Nature Geoscience (12) 952-958
Shallow submarine volcanoes pose unique scientific and monitoring challenges. The interaction between water and magma can create violent explosions just below the surface, but the inaccessibility of submerged volcanoes means they are typically not instrumented. This both increases the risk to marine and aviation traffic and leaves the underlying eruption...
Calibration of the USGS National Hydrologic Model in ungauged basins using statistical at-site streamflow simulations
William Farmer, Jacob LaFontaine, Lauren Hay
2019, Journal of Hydrologic Engineering (24)
In the absence of measured streamflow, statistically simulated daily streamflow can be used to support the ability of physical models to represent hydrologic processes at ungauged locations. The objective of this study was to determine the feasibility of using statistical simulations in place of measured streamflow to calibrate physical...
Large loss of CO2 in winter observed across pan-arctic permafrost region
Susan M Natali, Jennifer D. Watts, Stefano Potter, Brendan M. Rogers, Sarah M. Ludwig, Anne-Katrin Selbmann, Patrick F. Sullivan, Benjamin W. Abbott, Kyle A. Arndt, Leah Birch, Mats P. Bjorkman, Anthony Bloom, Gerardo Celis, Torben R. Christiensen, Casper T. Christiansen, Roisin Commane, Elisabeth J. Cooper, Patrick Crill, Claudia Czimczik, Sergey Davydov, Jinyang Du, Jocelyn E. Egan, Bo Elberling, Eugenie S. Euskirchen, Thomas Friborg, Helene Genet, Mathias Gockede, Jordan P. Goodrich, Paul Grogan, Manuel Helbig, Elchin E. Jafarov, Julie Jastrow, Aram Kalhori, Yongwon Kim, John S Kimball, Lars Kutzbach, Mark J. Lara, Klaus S. Larsen, Michael M Loranty, Magnus Lund, Massimo Lupascu, Nima Madani, Avni Malhorta, Jack McFarland, David A. McGuire, Anders Michelson, Christina Minions, Walter C. Oechel, David Olefeldt, Frans-Jan Parmentier, Norbert Pirk, Benjamin Poulter, William L. Quinton, Fereidoun Rezanezhad, David Risk, Torsten Sachs, Kevin Schaefer, Neils M. Schmidt, Edward A. Schuur, Philipp R. Semenchuk, Gaius Shaver, Oliver Sonnentag, Gregory Starr, Claire C. Treat, Mark P. Waldrop, Yihui Wang, Jeffrey Welker, Christian Wille, Xiaofeng Xu, Zhen Zhang, Qianlai Zhuang, Donatella Zona
2019, Nature Climate Change (9) 852-857
Recent warming in the Arctic, which has been amplified during the winter1,<a id="ref-link-section-d35506e2410_1" title="Koenigk, T. et al. Arctic Climate Change in 21st...
Application of a regional climate model to assess changes in the climatology of the Eastern US and Cuba associated with historic landcover change
Steven W. Hostetler, R Reker, Jay R. Alder, Thomas Loveland, Debra A. Willard, Christopher E. Bernhardt, Eric T. Sundquist, Renee L. Thompson
2019, JGR Atmospheres (124) 11722-11745
We examine the annual, seasonal, monthly, and diurnal climate responses to the land use change (LUC) in eastern United States and Cuba during four epochs (1650, 1850, 1920, and 1992) with ensemble simulations conducted with the RegCM4 regional climate model that includes the Biosphere Atmosphere Transfer Scheme (BATS1e) surface physics...
Quantifying source and sink habitats and pathways in spatially structured populations: A generalized modelling approach
James E. Diffendorfer, Christine Sample, Joanna A Beiri, Benjamin L. Allen, Yulia Dementieva, Alyssa Carson, Connar Higgins, Sadie Piatt, Shirley Qiu, Summer Stafford, Brady J. Mattsson, Darius J. Semmens, Wayne E. Thogmartin
2019, Ecological Modelling (407) 1-10
The ability to classify habitats and movement pathways as sources or sinks is an important part of the decision making process for the conservation of spatially structured populations. Diverse approaches have been used to quantify the importance of habitats and pathways in a spatial network, however these approaches have been...
Global ecological predictors of the soil priming effect
Felipe Bastida, Carlos M. Garcia, Noah Fierer, David J. Eldridge, Matthew A. Bowker, Sebastian R. Abades, Fernando D. Alfaro, Asmeret Asefaw Berhe, Nick A. Cutler, Antonio Gallardo, Laura Garcia-Velazquez, Stephen C. Hart, Patrick E. Hayes, Teresa Hernandez, Zeng-Yei Hseu, Nico Jehmlich, Martin Kirchmair, Hans Lambers, Sigrid Neuhauser, Victor M. Pena-Ramirez, Cecilia A. Perez, Sasha C. Reed, Fernanda Santos, Christina Siebe, Benjamin W. Sullivan, Pankaj Trivedi, Alfonso Vera, Mark Williams, Jose M. Moreno, Manuel Delgado-Baquerizo
2019, Nature Communications (10)
Identifying the global drivers of soil priming is essential to understanding C cycling in terrestrial ecosystems. We conducted a survey of soils across 86 globally-distributed locations, spanning a wide range of climates, biotic communities, and soil conditions, and evaluated the apparent soil priming effect using 13C-glucose labeling. Here we show that...
Remote sensing of dryland ecosystem structure and function: Progress, challenges, and opportunities
William K. Smith, Matthew P. Dannenberg, Dong Yan, Stephanie Herrmann, Mallory L. Barnes, Greg A. Barron-Gafford, Joel A. Biederman, Scott Ferrenberg, Andrew M. Fox, Amy R. Hudson, John F. Knowles, Natasha MacBean, David J.P. Moore, Pamela L. Nagler, Sasha C. Reed, William A. Rutherford, Russell L. Scott, Xianfeng Wang, Julia Yang
2019, Remote Sensing of Environment (233)
Drylands make up roughly 40% of the Earth's land surface, and billions of people depend on services provided by these critically important ecosystems. Despite their relatively sparse vegetation, dryland ecosystems are structurally and functionally diverse, and emerging evidence suggests that these ecosystems...
Mountain-block recharge: A review of current understanding
Katherine H. Markovich, Andrew H. Manning, Laura Condon, Jennifer McIntosh
2019, Water Resources Research (55) 8278-8304
Mountain-block recharge (MBR) is the subsurface inflow of groundwater to lowland aquifers from adjacent mountains. MBR can be a major component of recharge but remains difficult to characterize and quantify due to limited hydrogeologic, climatic, and other data in the mountain block and at the mountain front. The number of...
Adapterama II: Universal amplicon sequencing on Illumina platforms (TaggiMatrix)
Travis C Glenn, Todd W Pierson, Natalia J Bayona-Vasquez, Troy J. Kieran, Sandra L. Hoffberg, Jesse Thomas, Daniel E. Lefever, John W. Finger Jr., Bei Gao, Xiaoming Bian, Swarnali Louha, Ramya Kolli, Kerin Bentley, Julie Rushmore, Kelvin Wong, Michael Rothrock, Anna M. McKee, Tai L. Guo, Rodney Mauricio, Marirosa Molina, Brian Cummings, Lawrence H. Lash, Kun Lu, Gregory S. Gilbert, Stephen P. Hubbell, Brant C. Faircloth
2019, PeerJ
Next-generation sequencing (NGS) of amplicons is used in a wide variety of contexts. In many cases, NGS amplicon sequencing remains overly expensive and inflexible, with library preparation strategies relying upon the fusion of locus-specific primers to full-length adapter sequences with a single identifying sequence or ligating adapters onto PCR products....
sUAS-based remote sensing of river discharge using thermal particle image velocimetry and bathymetric lidar
Paul J. Kinzel, Carl J. Legleiter
2019, Remote Sensing (11)
This paper describes a non-contact methodology for computing river discharge based on data collected from small Unmanned Aerial Systems (sUAS). The approach is complete in that both surface velocity and channel geometry are measured directly under field conditions. The technique does not require introducing artificial tracer particles for computing...
Flood-frequency estimates for Ohio streamgages based on data through water year 2015 and techniques for estimating flood-frequency characteristics of rural, unregulated Ohio streams
G. F. Koltun
2019, Scientific Investigations Report 2019-5018
Estimates of the magnitudes of annual peak streamflows with annual exceedance probabilities of 0.5, 0.2, 0.1, 0.04, 0.02, 0.01, and 0.002 (equivalent to recurrence intervals of 2-, 5-, 10-, 25-, 50-, 100-, and 500-years, respectively) were computed for 391 streamgages in Ohio and adjacent states based on data collected through...
Flood-inundation maps for Nimishillen Creek near North Industry, Ohio, 2019
Matthew T. Whitehead
2019, Scientific Investigations Report 2019-5083
Digital flood-inundation maps for a 4-mile reach of Nimishillen Creek near North Industry, Ohio, were created by the U.S. Geological Survey (USGS) in cooperation with the Muskingum Watershed Conservancy District, Ohio, and the Stark County Board of Commissioners. The flood-inundation maps, which can be accessed through the USGS Flood Inundation...
Assessing the feasibility of satellite-based thresholds for hydrologically driven landsliding
Matthew A. Thomas, Brian D. Collins, Benjamin B. Mirus
2019, Water Resources Research (55) 9006-9023
Elevated soil moisture and heavy precipitation contribute to landslides worldwide. These environmental variables are now being resolved with satellites at spatiotemporal scales that could offer new perspectives on the development of landslide warning systems. However, the application of these data to hydro-meteorological thresholds (which account for antecedent soil moisture and...
Sampling across 20 years (1996–2017) reveals loss of diversity and genetic connectivity in the Coachella Valley fringe-toed lizard (Uma inornata)
Amy G. Vandergast, Dustin A. Wood, Mark Fisher, Cameron W. Barrows, Anna Mitelberg, Julia G. Smith
2019, Open-File Report 2019-1105
The Coachella Valley fringe-toed lizard (Uma inornata) is a federally threatened, aeolian sand dune obligate, endemic to the Coachella Valley, California. Historically, U. inornata is thought to have formed a large interconnected metapopulation across the valley, with local dune habitat and population size fluctuations linked to stochastic droughts and flooding. Since the...
Real-time assessments of water quality—A nowcast for Escherichia coli and cyanobacterial toxins
Donna S. Francy, Amie M.G. Brady, Tammy M. Zimmerman
2019, Fact Sheet 2019-3061
Threats to our recreational and drinking waters include disease-causing (pathogenic) organisms from fecal contamination and toxins produced by some species of cyanobacteria (cyanotoxins) that can cause acute and (or) chronic illnesses. Because traditional laboratory methods for detecting these threats take too long for prompt public health protection, tools for real-time...
Morphological computation of dune evolution with equilibrium and non-equilibrium sediment-transport models
Satomi Yamaguchi, Sanjay Giri, Yasuyuki Shimizu, Jonathan M. Nelson
2019, Water Resources Research (55) 8463-8477
This paper presents an exploratory study that comprises the implementation and comparison of different approaches and parameterization of sediment transport mechanisms in a process-based morphological model for simulating river dunes. The purpose of this study was to assess the underlying physical processes associated with sediment transport and dune evolution simulated...
Geology and assessment of undiscovered oil and gas resources of the East Greenland Rift Basins Province, 2008
Donald L. Gautier
Thomas E. Moore, Donald L. Gautier, editor(s)
2019, Professional Paper 1824-K
In 2007 the U.S. Geological Survey (USGS) completed an assessment of undiscovered, technically recoverable oil and gas resources in the East Greenland Rift Basins Province of Northeast Greenland. The province was selected as the prototype for the U.S. Geological Survey Circum-Arctic Resource Appraisal (CARA). In collaboration with the Geological Survey...
Morphodynamic modeling of the response of two barrier islands to Atlantic hurricane forcing
Marlies van der Lugt, Ellen Quataert, Ap van Dongeren, Maarten van Ormondt, Christopher R. Sherwood
2019, Estuarine, Coastal and Shelf Science (229)
The accurate prediction of a barrier island response to storms is challenging because of the complex interaction between hydro- and morphodynamic processes that changes at different stages during an event. Assessment of the predictive skill is further complicated because of uncertainty in the hydraulic forcing, initial conditions, and the parameterization...
Conservation of temporary wetlands
Dani Boix, Aram J.K. Calhoun, David M. Mushet, Kathleen P. Bell, James A. Fitzsimons, Francis Isselin-Nondedeu
2019, Book chapter, Reference Module in Earth Systems and Environmental Sciences
Temporary wetlands are characterized by frequent drying resulting in a unique, highly specialized assemblage of often rare or specialized plant and animal species. They are found on all continents and in a variety of landscape settings. Although accurate estimates of the abundance of temporary wetlands are available in only a...
Modeling control of Common Carp (Cyprinus carpio) in a shallow lake–wetland system
James B Pearson, Jason B. Dunham, J Ryan Bellmore, Donald E. Lyons
2019, Wetlands Ecology and Management (27) 663-682
The introduction of Common Carp (Cyprinus carpio) into North American waterways has led to widespread alteration of aquatic ecosystems. Control of this invader has proven extremely difficult due to its capacity for rapid population growth. To help understand how Common Carp can potentially be controlled we developed a population dynamics...
Foraging ecology mediates response to ecological mismatch during migratory stopover
A. M. Tucker, Conor P. McGowan, M. Catalano, A. Derose-Wilson, R. A. Robinson, J. Zimmerman
2019, Ecosphere (10)
Impacts of ecological mismatches should be most pronounced at points of the annual cycle when populations depend on a predictable, abundant, and aggregated food resource that changes in timing or distribution. The degree to which species specialize on a key prey item, therefore, should determine their sensitivity to mismatches. We...
Withdrawal and consumption of water by thermoelectric power plants in the United States, 2015
Melissa A. Harris, Timothy H. Diehl
2019, Scientific Investigations Report 2019-5103
The U.S. Geological Survey has developed models to estimate thermoelectric water use based on linked heat and water budgets. The models produced plant-level withdrawal and consumption estimates using consistent methods for 1,122 water-using, utility-scale thermoelectric power plants in the United States for 2015. Total estimated withdrawal for 2015 was about...
