Wave-resolving Shoreline Boundary Conditions for Wave-Averaged Coastal Models
Francesco Memmola, Alessandro Coluccelli, Aniello Russo, John C. Warner, Maurizio Brocchini
2020, Ocean Modeling (153)
Downscaling broadscale ocean model information to resolve the fine-scale swash-zone dynamics has a number of applications, such as improved resolution of coastal flood hazard drivers, modeling of sediment transport and seabed morphological evolution. A new method is presented, which enables wave-averaged models for the nearshore circulation to include short-wave induced...
Disease in Central Valley salmon: Status and lessons from other systems
Brendan M Lehman, Rachel C. Johnson, Mark Adkison, Oliver T Burgess, Richard E Connon, Nann A. Fangue, Scott J Foott, Sascha L Hallett, Beatriz Martinez-Lopez, Kristina M. Miller, Maureen K. Purcell, Nicholas A. Som, Pablo Valdes-Donoso, Alison L Collins
2020, San Francisco Estuary and Watershed Science (18)
Chinook Salmon (Oncorhynchus tshawytscha) are increasingly vulnerable to anthropogenic activities and climate change, especially at their most southern species range in California’s Central Valley. There is considerable interest in understanding stressors that contribute to population decline and in identifying management actions...
Canine distemper virus in the sea otter population (Enhydra lutris) in Washington State, USA
Nancy Thomas, C. LeAnn White, Jeremiah Saliki, Krysten L. Schuler, Deanna Lynch, Ole Nielsen, J.P. Dubey, Susan Knowles
2020, Journal of Wildlife Diseases (56) 873-883
Before 2001, all serosurveys for morbilliviruses in sea otters (Enhydra lutris) in California, Washington, and Alaska, USA, documented a 0% seroprevalence. The first published serologic detections of morbillivirus in sea otters occurred in 2001–02 in live-captured Washington sea otters, with a documented 80% seroprevalence. We conducted a retrospective study of...
Does harvest affect genetic diversity in grey wolves?
David Edward Ausband, Lisette Waits
2020, Molecular Ecology (29) 3187-3195
Harvest can affect vital rates such as reproduction and survival, but also genetic measures of individual and population health. Grey wolves (Canis lupus) live and breed in groups, and effective population size is a small fraction of total abundance. As a result, genetic diversity of wolves may be particularly sensitive...
Persist in place or shift in space? Evaluating the adaptive capacity of species to climate change
Lindsey L. Thurman, Bruce Stein, Erik A. Beever, Wendy Foden, Sonya Geange, Nancy Green, John E. Gross, David J Lawrence, Olivia E. LeDee, Julian D. Olden, Laura Thompson, Bruce Young
2020, Frontiers in Ecology and the Environment (18) 520-528
Assessing the vulnerability of species to climate change serves as the basis for climate‐adaptation planning and climate‐smart conservation, and typically involves an evaluation of exposure, sensitivity, and adaptive capacity (AC). AC is a species’ ability to cope with or adjust to changing climatic conditions, and is...
The effects of phosphatization on the mineral associations and speciation of Pb in ferromanganese crusts
Kira Mizell, James R. Hein, Andrea Koschinsky, Sarah M. Hayes
2020, Earth and Space Chemistry (9) 1515-1526
The older layers of thick ferromanganese (FeMn) crusts from the central Pacific Ocean have undergone diagenetic phosphatization, during which carbonate fluorapatite (CFA) filled fractures and pore space and replaced carbonates. The effects of phosphatization on individual trace metal concentrations, speciation, and phase...
Groundwater quality in relation to drinking water health standards and hydrogeologic and geochemical characteristics for 47 domestic wells in Potter County, Pennsylvania, 2017
Daniel G. Galeone, Charles A. Cravotta III, Dennis W. Risser
2020, Scientific Investigations Report 2020-5038
As part of a regional effort to characterize groundwater in rural areas of Pennsylvania, water samples from 47 domestic wells in Potter County were collected from May through September 2017. The sampled wells had depths ranging from 33 to 600 feet in sandstone, shale, or siltstone aquifers. Groundwater samples were...
Does signal-free detrending increase chronology coherence in large tree-ring networks?
M.Y. McPartland, Scott St. George, Gregory T. Pederson, K.J. Anchukaitis
2020, Dendrochronologia (63)
Over the past decade, dendrochronologists have increasingly adopted the signal-free detrending (SFD) method to remove age-size trends in tree-ring measurement series, amplify the common stand-wide signal in composite chronologies, and recover medium- to low-frequency patterns that may be inadvertently removed by other...
Appendix C: Interim report on subtask focused on resampling historic Kennedy/ITD plots for RP-284
Allison B. Simler-Williamson, Matthew Germino, Brynne E. Lazarus
2020, Research Report RP284
In October 2019, an Idaho Transportation Department (ITD) Cooperative Transportation Research Program award was made to Boise State University in partnership with the U.S. Geological Survey to investigate the use of weed-suppressive bacteria (Pseudomonas fluorescens strain ACK55) with preemergent herbicides (imazapic and indaziflam) to reduce exotic annual grasses (cheatgrass, medusahead)...
Unifying advective and diffusive descriptions of bedform pumping in the benthic biolayer of streams
Stanley Grant, Ahmed Monofy, Fulvio Boano, Jesus Gomez-Velez, Ian Guymer, Judson Harvey, Marco Ghisalberti
2020, Water Resources Research (56)
Many water quality and ecosystem functions performed by streams occur in the benthic biolayer, the biologically active upper (~5 cm) layer of the streambed. Solute transport through the benthic biolayer is facilitated by bedform pumping, a physical process in which dynamic and static pressure variations over the surface of stationary bedforms...
Living with wildfire in the Squilchuck Drainage - Chelan County, Washington: 2020 data report
Hannah Brenkert-Smith, Patricia A. Champ, Jon Riley, Christopher M. Barth, Colleen Donovan, James Meldrum, Carolyn Wagner
2020, Data Report RMRS-RN-87
Research on the social dimensions of wildfire provides opportunities to understand how communities and the people who reside in those communities interact with the threat of wildfire. Overall, three findings from this project were particularly noteworthy. First, household survey results indicate that residents in the Squilchuck Drainage, Chelan County, Washington...
Integrated hydro-terrestrial modeling: Development of a national capability
David P. Lesmes, Jessica Moerman, Tom Torgeson, Bob Vallario, Timothy D. Scheibe, Efi Foufoula-Georgiou, Harry L. Jenter, Ronald L. Bingner, Laura Condon, Brian Cosgrove, Carlos Del Castillo, Charles W Downer, John Eylander, Michael N. Fienen, Nels Frazier, David Gochis, Dave Goodrich, Judson Harvey, Joseph D. Hughes, David Hyndman, John M. Johnston, Forrest Melton, Glenn E. Moglen, David Moulton, Laura K. Lautz, Rajbir Parmar, Brenda Rashleigh, Patrick Reed, Katherine Skalak, Charuleka Varadharajan, Roland J. Viger, Nathalie Voisin, Mark Wahl
2020, Report
Water is one of our most important natural resources and is essential to our national economy and security. Multiple federal government agencies have mission elements that address national needs related to water. Each water-related agency champions a unique science and/or operational mission focused on advancing a portion of the nation’s...
Yellowstone grizzly bear investigations 2019 - Annual report of the Interagency Grizzly Bear Study Team
Frank T. van Manen, Mark A. Haroldson, Bryn Karabensh, editor(s)
2020, Report
No abstract available....
Rapid-assessment test strips: Effectiveness forcyanotoxin monitoring in a northern temperate lake
Jaime F. LeDuc, Victoria Christensen, Ryan P. Maki
2020, Lake and Reservoir Management (4) 444-453
Precise and rapid methods of determining toxin levels are needed in lakes used for recreation and drinking water to facilitate a quick risk assessment during cyanobacteria blooms. Therefore, we evaluated rapid-assessment test strips, a newer technology for estimating the toxicity of cyanobacterial blooms, in Kabetogama Lake, a...
Robotic environmental DNA bio-surveillance of freshwater health
Adam J. Sepulveda, Jim M. Birch, Elliott Barnhart, Christopher M. Merkes, Kevan Yamahara, Roman Marin, Stacy Kinsey, Peter R. Wright, Christian Schmidt
2020, Scientific Reports (10)
Autonomous water sampling technologies may help to overcome the human resource challenges of monitoring biological threats to rivers over long time periods and large geographic areas. The Monterey Bay Aquarium Research Institute has pioneered a robotic Environmental Sample Processor (ESP) that overcomes some of the constraints associated with traditional sampling...
Flow‐ecology modelling to inform reservoir releases for riparian restoration and management
John T Hickey, Patrick B. Shafroth, Woodrow L Fields
2020, Hydrological Processes (34) 4576-4591
Linked hydrologic, hydraulic, and ecological models can facilitate planning and implementing water releases from reservoirs to achieve ecological objectives along rivers. We applied a flow‐ecology model, the Ecosystem Functions Model (HEC‐EFM), to the Bill Williams River in southwestern USA to estimate areas suitable for recruitment of...
Uranium bioaccumulation dynamics in the mayfly Neocloeon triangulifer and application to site-specific prediction
Brianna L. Henry, Marie Noele Croteau, David Walters, Janet L. Miller, Daniel J. Cain, Christopher C. Fuller
2020, Environmental Science & Technology (54) 11313-11321
Little is known about the underlying mechanisms governing the bioaccumulation of uranium (U) in aquatic insects. We experimentally parameterized conditional rate constants for aqueous U uptake, dietary U uptake, and U elimination for the aquatic baetid mayfly Neocloeon triangulifer. Results showed that...
A one‐dimensional model for turbulent mixing in the benthic biolayer of stream and coastal sediments
Stanley Grant, Jesus Gomez-Velez, Marco Ghisalberti, Ian Guymer, Fulvio Boano, Kevin Roche, Judson Harvey
2020, Water Resources Research (56)
In this paper, we develop and validate a rigorous modeling framework, based on Duhamel's Theorem, for the unsteady one-dimensional vertical transport of a solute across a flat sediment-water interface (SWI) and through the benthic biolayer of a turbulent stream. The modeling framework is novel in capturing the...
Sea surface temperature across the Subarctic North Pacific and marginal seas through the past 20,000 years: A paleoceanographic synthesis
Catherine V. Davis, Sarah Myhre, Curtis Deutsch, Beth Caissie, Summer K. Praetorius, Marisa Borreggine, Robert C. Thunell
2020, Quaternary Science Research (246)
Deglacial sea surface conditions in the subarctic North Pacific and marginal seas are the subject of increasing interest in paleoceanography. However, a cohesive picture of near-surface oceanography from which to compare inter and intra-regional variability through the last deglaciation is lacking. We present a synthesis of sea surface temperature covering...
Shaping land use change and ecosystem restoration in a water-stressed agricultural landscape to achieve multiple benefits
Benjamin P. Bryant, T. Rodd Kelsey, Adrian L. Vogl, Stacie A. Wolny, Duncan J. MacEwan, Paul Selmants, Tanushree Biswas, H. Scott Butterfield
2020, Frontiers in Sustainable Food Systems (4)
Irrigated agriculture has grown rapidly over the last 50 years, helping food production keep pace with population growth, but also leading to significant habitat and biodiversity loss globally. Now, in some regions, land degradation and overtaxed water resources mean historical production levels may need to be reduced. We demonstrate how...
Building adaptive capacity in a coastal region experiencing global change
Fred A. Johnson, Mitchell J. Eaton, Jessica Mikels-Carrasco, David J. Case
2020, Ecology & Society (25)
Coastal ecosystems in the eastern U.S. have been severely altered by human development, and climate change and other stressors are now further degrading the capacity of those ecological and social systems to remain resilient in the face of such disturbances. We sought to identify potential ways in which local conservation...
Soft Release Translocation of Texas Horned Lizards (Phrynosoma cornutum) on an Urban Military Installation in Oklahoma, United States
Brett Alexander DeGregorio, H. Myers, R. Moody
2020, Animals (10)
Wildlife translocation is an often-used technique to augment populations or remove animals from harm’s way. Unfortunately, many translocation efforts fail to meet their goals for myriad reasons, particularly because translocated animals make large, erratic movements after release, which can result in high mortality rates. Soft release, holding animals in acclimation...
Themes of contemporary inland fisheries goals
C.A. Aldridge, Leandro E. Miranda, M. E. Colvin
2020, Fisheries Magazine (46) 34-39
Goals are important for the effective execution of public trust responsibilities by state inland fisheries bureaus, but formulating meaningful goals is not simple. Often bureaus look to their past and to their sister bureaus in neighboring states when crafting goals for their own freshwater resources. Herein, we review the goal...
Cottonwoods, water, and people-Integrating analysis of tree rings with observations of elders from the Eastern Shoshone and Northern Arapaho Tribes of the Wind River Reservation, Wyoming
Shannon M. McNeeley, Jonathan M. Friedman, Tyler A. Beeton, Richard D. Thaxton
2020, Open-File Report 2020-1072
We assessed the history of flow and riparian ecosystem change along the Wind River using cottonwood tree-ring data, streamgage records, historical temperature and precipitation data, drought indices, and local observations and Traditional Ecological Knowledge from elders of the Eastern Shoshone and Northern Arapaho Tribes of the Wind River Reservation, Wyoming....
Impact of unburned remnant sagebrush versus outplants on post-fire landscape rehabilitation
Cara Applestein, Trevor Caughlin, Matthew Germino
2020, Report
Nearly half of the vast sagebrush steppe in the western United states has lost many or nearly all native plant species, largely due to the interaction of invasive species and increased wildfire. Re-establishing sagebrush, a keystone component of these ecosystems, has become a management focus in recent decades using aerial...
