Adjudicating groundwater: A judge’s guide to understanding groundwater and modeling
Thomas Harter, Tara Moran, Eric Wildman
Alf Brandt, Michael N. Fienen, Jeremy T. White, editor(s)
2019, Book
Dividing the Waters offers this groundwater science bench book that cannot be matched by any other scientific or judicial publication. Adjudicating Groundwater combines the expertise and experience of academic scientists (UC Davis/Stanford), federal scientists (U.S. Geological Survey), and judicial officers to create a resource that can fulfill the needs of...
Hillslope hydrology in global change research and earth system modeling
Ying Fan, Martyn Clark, David M. Lawrence, Sean Swenson, L. E. Band, S. L. Brantley, P. D. Brooks, W. E. Dietrich, A. Flores, G. Grant, J. W. Kirchner, D. S. Mackay, J.J. McDonnell, Paul C. D. Milly, P. L. Sullivan, C. Tague, H. Ajami, N. W. Chaney, A. Hartmann, P. Hazenberg, J. McNamara, J. Pelletier, J. Perket, E. Rouholahnejad-Freund, T. Wagener, X. Zeng, E. Beighley, J. Buzan, M. Huang, B. Livneh, B. P. Mohanty, B. Nijssen, M. Safeeq, C. Shen, W. van Verseveld, J. Volk, D. Yamazaki
2019, Water Resources Research (55) 1737-1772
Earth System Models (ESMs) are essential tools for understanding and predicting global change, but they cannot explicitly resolve hillslope‐scale terrain structures that fundamentally organize water, energy, and biogeochemical stores and fluxes at subgrid scales. Here we bring together hydrologists, Critical Zone scientists, and ESM developers, to explore how hillslope structures...
Spatiotemporal remote sensing of ecosystem change and causation across Alaska
Neal J. Pastick, M. Torre Jorgenson, Scott J. Goetz, Benjamin M. Jones, Bruce K. Wylie, Burke J. Minsley, Hélène Genet, Joseph F. Knight, David K. Swanson, Janet C. Jorgenson
2019, Global Change Biology (25) 1171-1189
Contemporary climate change in Alaska has resulted in amplified rates of press and pulse disturbances that drive ecosystem change with significant consequences for socio‐environmental systems. Despite the vulnerability of Arctic and boreal landscapes to change, little has been done to characterize landscape change and associated drivers across northern high‐latitude ecosystems....
Prediction of ice‐free conditions for a perennially ice‐covered Antarctic lake
Maciej K. Obryk, P. T. Doran, J. C. Priscu
2019, Journal of Geophysical Research F: Earth Surface (124) 686-694
Although perennially ice‐covered Antarctic lakes have experienced variable ice thicknesses over the past several decades, future ice thickness trends and associated aquatic biological responses under projected global warming remain unknown. Heat stored in the water column in chemically stratified Antarctic lakes that have middepth temperature maxima can significantly influence the...
Genetic and morphological differences between water chestnut (Myrtales: Lythraceae: Trapa) populations in the northeastern United States, Japan, and South Africa
Lynde L. Dodd, Nancy B. Rybicki, Ryan Thum, Yasuro Kadono, Kadiera Searfoss Ingram
2019, Technical Report ERDC/EL TR-19-3
This Special Report (SR) outlines preliminary work conducted under the Aquatic Plant Control Research Program (APCRP) to investigate genetic and morphological differences of Trapa taxa (water chestnut) in the Northeastern (NE) US. Comparisons of morphological characteristics and genetics were made between Trapa populations from the native region of Eurasia...
Factors influencing anuran wetland occupancy in an agricultural landscape
Jennifer E. Swanson, Clay Pierce, Stephen J. Dinsmore, Kelly L. Smalling, Mark W. Vandever, Timothy W. Stewart, Erin L. Muths
2019, Herpetologica (75) 47-56
Habitat disturbance is an important cause of global amphibian declines, with especially strong effects in areas of high agricultural use. Determining the influence of site characteristics on amphibian presence and success is vital to developing effective conservation strategies. We used occupancy analysis to estimate presence of four anuran species at...
Role of recovering river herring population on smallmouth bass diet and growth
Jonathan M. Watson, Stephen M. Coghlan Jr., Joseph D. Zydlewski, Daniel B. Hayes, Daniel S. Stich
2019, Book chapter, Managing centrarchid fisheries in rivers and streams
Fish assemblages in Atlantic coastal rivers have undergone extensive ecological change in the last two and a half centuries due to human influence, including extirpation of many migratory fish species, such as river herring (Alosa spp.) and introduction of nonnative piscivores, notably Smallmouth Bass Micropterus dolomieu. Recently, dam removals and...
Strontium residual salt analyses (SrRSA) and geochemistry of Bakken Formation core samples from Fleckten 1-20, North Dakota
Zell E. Peterman, Kiyoto Futa, Thomas Oliver
2019, Mountain Geologist (56) 5-17
Samples of Bakken Formation core from the Fleckton 1-20 well in Ward County, North Dakota, were analyzed using the Strontium Residual Salt Analysis (SrRSA) method to assess pore-water communication among the upper, middle, and lower sections of the unit by analyzing 87Sr/86Sr in pore-water salts leached from the core. Major and...
A multidisciplinary framework to derive global river reach classifications at high spatial resolution
Camille Ouellet Dallaire, Bernhard Lehner, Roger Sayre, Michele Thieme
2019, Environmental Research Letters (14) 1-12
Projected climate and environmental change are expected to increase the pressure on global freshwater resources. To prepare for and cope with the related risks, stakeholders need to devise plans for sustainable management of river systems, which in turn requires the identification of management-appropriate operational units, such as groups of rivers...
A new 30 meter resolution global shoreline vector and associated global islands database for the development of standardized ecological coastal units
Roger Sayre, Suzanne Noble, Sharon L. Hamann, Rebecca A. Smith, Dawn J. Wright, Sean P. Breyer, Kevin Butler, Keith Van Graafeiland, Charlie Frye, Deniz Karagulle, Dabney Hopkins, Drew Stephens, Kevin Kelly, Zeenatul Basher, Devon Burton, Jill Janene Cress, Karina Atkins, D. Paco Van Sistine, Beverly Friesen, Rebecca Allee, Tom Allen, Peter Aniello, Irawan Asaad, Mark John Costello, Kathy Goodin, Peter Harrison, Maria T. Kavanaugh, Helen Lillis, Eleonora Manca, Frank E. Muller-Karger, Bjorn Nyberg, Rost Parsons, Justin Saarinen, Jac Steiner, Adam Reed
2019, Journal of Operational Oceanography (12) s47-s56
A new 30-m spatial resolution global shoreline vector (GSV) was developed from annual composites of 2014 Landsat satellite imagery. The semi-automated classification of the imagery was accomplished by manual selection of training points representing water and non-water classes along the entire global coastline. Polygon topology was applied to the GSV,...
Adapting a regional water-quality model for local application: A case study for Tennessee, USA
Anne B. Hoos, Sherry H. Wang, Gregory E. Schwarz
2019, Environmental Modelling and Software (115) 187-199
We evaluated whether SPAtially Referenced Regression On Watershed attributes (SPARROW) models calibrated for two adjacent USA regions could be applied at the local scale to support management decisions for streams in Tennessee. Nutrient-source apportionment of load is important for this local-scale application and demands careful consideration of uncertainty in the calibrated coefficients. We used...
Geochemically distinct oil families in the onshore and offshore Santa Maria basins, California
Kenneth E. Peters, Paul G. Lillis, Thomas Lorenson, J. E. Zumberge
2019, AAPG Bulletin (103) 243-271
The purpose of this work is to identify genetic affinities among 48 crude oil samples from the onshore and offshore Santa Maria basins. A total of 21 source-related biomarker and stable carbon isotope ratios among the samples were assessed to assure that they were unaffected by secondary processes. Chemometric analysis...
Communication strategies for reducing lead poisoning in wildlife and human health risks
John H. Schulz, Sonja A. Wilhelm Stanis, Elisabeth B. Webb, Christine Jie Li, Damon M. Hall
2019, Wildlife Society Bulletin (43) 131-140
Although lead poisoning in North American waterfowl has been reduced, it persists among other wildlife. To address this issue, we review lead poisoning in wildlife and threats to human health, describe the recent socio-political landscape, and develop a framework for reducing lead exposure related to hunting ammunition and fishing tackle....
Bridge scour countermeasure assessments at select bridges in the United States, 2016–18
Taylor J. Dudunake, Richard J. Huizinga, Ryan L. Fosness
2019, Open-File Report 2019-1008
In 2009, the Federal Highway Administration published Hydraulic Engineering Circular No. 23 (HEC-23) to provide specific design and implementation guidelines for bridge scour and stream instability countermeasures. However, the effectiveness of countermeasures implemented over the past decade following those guidelines has not been evaluated. Therefore, in 2013, the U.S....
Trends in global shark attacks
Stephen R. Midway, Tyler Wagner, George H. Burgess
2019, PLoS ONE (14)
Shark attacks are a global phenomenon that attracts widespread attention and publicity, often with negative outcomes for shark populations. Despite the widespread perceptions of shark attacks, trends in human water activities and shark populations are both dynamic, resulting in variable rates of shark attacks over space and time. Understanding variable...
Applying concepts of general resilience to large river ecosystems: A case study from the Upper Mississippi and Illinois rivers
Kristen L. Bouska, Jeffrey N. Houser, Nathan R. De Jager, Molly Van Appledorn, James T. Rogala
2019, Ecological Indicators (101) 1094-1110
Large floodplain-river ecosystems are often highly modified to provide services that society desires, yet these modifications can limit an ecosystem’s ability to adapt to changing conditions. The adaptive capacity of an ecosystem, its general resilience, is a conceptual framework for considering how a system will respond to such changes. We...
Escherichia coli and microbial source tracking marker concentrations in and near a constructed wetland in Maumee Bay State Park, Oregon, Ohio, 2015–16
Christopher M. Kephart, Amie M.G. Brady, Ryan W. Jackwood
2019, Scientific Investigations Report 2018-5127
Elevated Escherichia coli (E. coli) concentrations at the Maumee Bay State Park (MBSP) Lake Erie beach have resulted in frequent recreational water-quality advisories. After the construction of a wetland along Berger Ditch in Maumee Bay State Park, Oregon, Ohio, samples were collected and analyzed for concentrations of E. coli and...
Landsat: The cornerstone of global land imaging
Ginger Butcher, Christopher Barnes, Linda Owen
2019, GIM International (January/February 2019) 31-35
Since 1972, the joint NASA/ U.S. Geological Survey Landsat series of Earth Observation satellites have provided an uninterrupted space-based data record of the Earth’s land surface to help advance scientific research towards the understanding of our planet and the environmental impact of its inhabitants. Early Landsat satellites offered a wealth...
Diurnal habitat selection of migrating Whooping Crane in the Great Plains
David M. Baasch, Patrick D. Farrell, Aaron T. Pearse, David A. Brandt, Andrew J. Caven, Mary J. Harner, Greg D. Wright, Kristine L. Metzger
2019, Avian Conservation and Ecology (14) 1-14
Available stopover habitats with quality foraging opportunities are essential for migrating waterbirds, including Whooping Crane (Grus americana). Several studies have evaluated habitats used by Whooping Crane for roosting throughout its migration corridor; however, habitats associated with foraging and other diurnal activities have received less attention. We used data collected from...
Landscape and organismal factors affecting sagebrush-seedling transplant survival after megafire restoration
Bill Davidson, Matthew J. Germino, Bryce Richardson, David Barnard
2019, Restoration Ecology (27) 1008-1020
Larger and more frequent disturbances are motivating efforts to accelerate recovery of foundational perennial species by focusing efforts into establishing island patches to sustain keystone species and facilitate recovery of the surrounding plant community. Evaluating the variability in abiotic and biotic factors that contribute to differences in survival and establishment...
Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012
Jana S. Stewart, Gregory E. Schwarz, John W. Brakebill, Stephen D. Preston
2019, Scientific Investigations Report 2018-5145
Nutrient inputs from commercial agricultural fertilizer, particularly nitrogen and phosphorus, are important factors contributing to the degradation of surface-water quality and the alteration of aquatic ecosystems. Despite this importance, information about the application of fertilizer to agricultural land is not available in a consistent manner across the United States at...
Effects of salinity and light on growth and interspecific interactions between Myriophyllum spicatum L. and Ruppia maritima L.
E. R. Hillman, Megan La Peyre
2019, Aquatic Botany (155) 25-31
Submerged macrophyte habitats provide significant benefits to estuarine systems. In southeast Louisiana, Myriophyllum spicatum L. (milfoil) and Ruppia maritima L. (widgeongrass) are dominant species existing across fresh to brackish areas. Though frequently co-occurring across the range of salinity and light conditions, their individual responses to changing...
Toxicokinetics of imidacloprid-coated wheat seeds in Japanese quail (Coturnix japonica) and an evaluation of hazard
Thomas G. Bean, Michael S. Gross, Natalie Karouna-Renier, Paula F. P. Henry, Sandra L. Schultz, Michelle L. Hladik, Kathryn Kuivila, Barnett A. Rattner
2019, Environmental Science & Technology (53) 3888-3897
Birds are potentially exposed to neonicotinoid insecticides by ingestion of coated seeds during crop planting. Adult male Japanese quail were orally dosed with wheat seeds coated with an imidacloprid (IMI) formulation at either 0.9 mg/kg body weight (BW) or 2.7 mg/kg BW (~3 and 9% of IMI LD50 for Japanese...
Modeling riparian restoration impacts on the hydrologic cycle at the Babacomari Ranch, SE Arizona, USA
Laura M. Norman, James B. Callegary, Laurel Lacher, Natalie R. Wilson, Chloé Fandel, Brandon T. Forbes, Tyson Swetnam
2019, Water (11) 1-20
This paper describes coupling field experiments with surface and groundwater modeling to investigate rangelands of SE Arizona, USA using erosion-control structures to augment shallow and deep aquifer recharge. We collected field data to describe the physical and hydrological properties before and after gabions (caged riprap) were installed in an ephemeral...
Modeling δ18O as an early indicator of regime shift arising from salinity stress in coastal vegetation
Su Yean Teh, Hock Lye Koh, Donald L. DeAngelis, Clifford I. Voss, Leonel da Silveira Lobo Sternberg
2019, Hydrogeology Journal (27) 1257-1276
In many important coastal habitats, a combination of increasing soil salinization due to sea level rise, reduced precipitation and storm surges may induce regime shift from salinity-intolerant glycophytic vegetation to salinity-tolerant halophytic species. Early detection of regime shift due to salinity stress in vegetation may facilitate conservation efforts. It has...
