Walk in the footsteps of the Apollo astronauts: A field guide to northern Arizona astronaut training sites
R. Greg Vaughan, Kevin Schindler, Jeanne Stevens, Ian Hough
2019, Book chapter, Geologic excursions in southwestern North America field guide 55
Every astronaut who walked on the Moon trained in Flagstaff, AZ. In the early 1960s, scientists at the newly formed United States Geological Survey (USGS) Branch of Astrogeology led this training, teaching geologic principals and field techniques to the astronaut crews. USGS scientists and engineers also developed and...
Benthic algal (Periphyton) growth rates in response to nitrogen and phosphorus: Parameter estimation for water quality models
Travis S. Schmidt, Christopher Konrad, Janet L. Miller, Stephen D. Whitlock, Craig A. Stricker
2019, Journal of the American Water Resources Association (55) 1479-1491
Nitrogen (N) and phosphorus (P) are important pollutants that can stimulate nuisance blooms of algae. Water-quality models (e.g., WASP, CE-QUAL-R1, CE-QUAL-ICM, QUAL2k) are valuable and widely used management tools for algal accrual because of excess nutrients in the presence of other limiting factors. These models utilize the Monod and Droop...
Alaska Geochemical Database Version 3.0 (AGDB3)—Including “Best Value” Data Compilations for Rock, Sediment, Soil, Mineral, and Concentrate Sample Media
Matthew Granitto, Bronwen Wang, Nora B. Shew, Susan M. Karl, Keith A. Labay, Melanie B. Werdon, Susan S. Seitz, John E. Hoppe
2019, Data Series 1117
The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one “best value” determination for each analyzed species, greatly improving speed and efficiency of use. Like the Alaska Geochemical Database Version 2.0 before it, the AGDB3 was created and designed to...
Stratigraphic analysis of Corte Madera Creek flood control channel deposits
Daniel N. Livsey, Paul A. Work, Maureen A. Downing-Kunz
2019, Scientific Investigations Report 2019-5070
Sedimentation in a channel can reduce flood conveyance capability and potentially place nearby property and life at risk from flooding. In 1998, Marin County Public Works dredged the concrete-lined segment of Corte Madera Creek, which drains a hilly and largely urbanized watershed that terminates in San Francisco Bay, California. From...
Phosphorus and nitrogen transport in the binational Great Lakes Basin estimated using SPARROW watershed models
Dale M. Robertson, David A. Saad, Glenn A. Benoy, Ivana Vouk, Gregory E. Schwarz, Michael T Laitta
2019, Journal of the American Water Resources Association (55) 1401-1424
Eutrophication problems in the Great Lakes are caused by excessive nutrient inputs (primarily phosphorus, P, and nitrogen, N) from various sources throughout its basin. In developing protection and restoration plans, it is important to know where and from what sources the nutrients originate. As part of a binational effort, Midcontinent...
Multiproxy Cretaceous-Paleogene boundary event stratigraphy: An Umbria-Marche basin-wide perspective
Matthias Sinnesael, Alessandro Montanari, Fabrizio Frontalini, Rodolfo Coccioni, Jerome Gattacceca, Christophe Snoeck, Wencke Wegner, Christian Koeberl, Leah E. Morgan, Niels de Winter, Donald J. DePaolo, Philippe Claeys
2019, Book chapter, 250 Million Years of Earth History in Central Italy: Celebrating 25 Years of the Geological Observatory of Coldigioco
The complete and well-studied pelagic carbonate successions from the Umbria-Marche Basin (Italy) permit the study of the event-rich stratigraphical interval around the Cretaceous-Paleogene (K-Pg) boundary (e.g., Deccan volcanism, boundary impact, Paleocene recovery and climate). To test the robustness of various proxy records (bulk carbonate δ13C, δ18O, 87Sr/86Sr and Ca, Fe,...
Residency, recruitment, and stopover duration of hatch-year Roseate Terns (Sterna dougallii) during the pre-migratory staging period
Kayla L. Davis, Sarah M. Karpanty, Jeffrey A. Spendelow, Jonathan B. Cohen, Melissa A. Althouse, Katharine C Parsons, Cristin F. Luttazi, Daniel H. Catlin, Daniel Gibson
2019, Avian Conservation and Ecology (14)
Avian migratory stopover and staging sites represent important energetic bottlenecks and may influence population dynamics as much as breeding or wintering periods. Roseate terns (Sterna dougallii) are an ideal species to examine staging demography because >70% of the entire endangered northwest Atlantic population stages at accessible locations around Cape Cod,...
Floodplains provide important amphibian habitat despite multiple ecological threats
Meredith Holgerson, Adam Duarte, Marc Hayes, Michael J. Adams, Julie A. Tyson, Keith Douville, Angela Strecker
2019, Ecosphere (10)
Floodplain ponds and wetlands are productive and biodiverse ecosystems, yet they face multiple threats including altered hydrology, land use change, and non‐native species. Protecting and restoring important floodplain ecosystems requires understanding how organisms use these habitats and respond to altered environmental conditions. We developed Bayesian models to evaluate occupancy of...
Evaluating the factors responsible for post-fire water quality response in forests of the western USA
Ashley J. Rust, Samuel Saxe, John E. McCray, Charles C. Rhoades, Terri S. Hogue
2019, International Journal of Wildland Fire (28) 769-784
Wildfires commonly increase nutrient, carbon, sediment, and metal inputs to streams yet the factors responsible for the type, magnitude and duration of water quality effects are poorly understood. Prior work by the current authors found increased nitrogen, phosphorus and cation exports were common the first five post-fire years from a...
PaCTS 1.0: A crowdsourced reporting standard for paleoclimate data
Natalie M. Kehrwald, Deborah Khider, Julien Emile-Geay, Nicholas P. McKay, Yolanda Gili, Daniel Garijo, Varun Ratnakar, Peter Brewer, Adam Csank, Emilie Dassie, Kristine Delong, Thomas Felix, William Gray, Lucas Jonkers, Michael Kahle, Darrell S. Kaufman, Julie N. Richey, Andreas Schmittner, Elaine Kennedy Sutherland, Montserrat Alonso-Garcia, Bertrand Sebastian, Oliver Bothe, Andrew Bunn, Manuel Chevalier, Pierre Francus, Amy Frappier, Simon Goring, Belen Martrat, Helen V. McGregor, Kathryn J. Allen, Fabien Arnaud, Yarrow L. Axford, Timothy T. Barrows, Lucie Bazin, Pilaar Birch, Elizabeth Bradley, Joshua Bregy, Emilie Capron, Olivier Cartapanis, Hong-Wei Chiang, Kim Cobb, Maxime Debret, Rene Dommain, Jianghui Du, Kelsey Dyez, Suellyn Emerick, Michael Erb, Georgina Falster, Walter Finsinger, Daniel Fortier, Nicolas Gauthier, Steven George, Eric Grimm, Jennifer Hertzberg, Fiona Hibbert, Aubrey Hillman, William Hobbs, Matthew Huber, Anna L. C. Hughes, Samuel Jaccard, Ruan Jiaoyang, Markus Kienast, Bronwen Konecky, Gael Le Roux, Vyacheslav Lyubchich, Valdir Novello, Lydia Olaka, Judson W. Partin, Christof Pearce, Steven J. Phipps, Cecile Pignol, Natalia Pietrowska, Maria-Serena Poli, Alexander Prokopenko, Franciele Schwanck, Christian Stepanek, George E. A. Swann, Richard Telford, Elizabeth R. Thomas, Zoe Thomas, Sarah Truebe, Lucien von Gunten, Amanda Waite, Nils Weitzel, Bruno Wilhelm, John B. Williams, Mai Winstrup, Ning Zhao, Yuxin Zhou
2019, Paleoceanography and Paleoclimatology (34) 1570-1596
The progress of science is tied to the standardization of measurements, instruments, and data. This is especially true in the Big Data age, where analyzing large data volumes critically hinges on that data being standardized. Accordingly, the lack of community-sanctioned data standards in paleoclimatology has largely precluded the benefits of...
Paleo calendar-effect adjustments in time-slice and transient climate-model simulations (PaleoCalAdjust v1.0): Impact and strategies for data analysis
Patrick J. Bartlein, Sarah Shafer
2019, Geoscientific Model Development (12) 3889-3913
The “paleo calendar effect” is a common expression for the impact that changes in the length of months or seasons over time, related to changes in the eccentricity of Earth's orbit and precession, have on the analysis or summarization of climate-model output. This effect can have significant implications for paleoclimate...
Updating estimates of low-streamflow statistics to account for possible trends
Annalise G. Blum, Stacey A. Archfield, Robert M. Hirsch, Richard M Vogel, Julie E. Kiang, Robert W. Dudley
2019, Hydrologic Sciences Journal (6) 1404-1414
Accurate estimators of streamflow statistics are critical to the design, planning, and management of water resources. Given increasing evidence of trends in low-streamflow, new approaches to estimating low-streamflow statistics are needed. Here we investigate simple approaches to select a recent subset of the low-flow record to update...
Growth and energy budget of Northern Snakehead Channa argus in relation to ration
Jiashou Liu, Tangling Zhang, Duane Chapman
2019, Conference Paper, Proceedings of the First International Snakehead Symposium (Symposium 89N)
Northern Snakehead Channa argus weighing 188.54+13.80 g were fed live Oriental Weatherfish Misgurnus anguillicaudatus at five rations (starvation, 1, 2, 4% body weight per day and satiation) at 28 oC under laboratory conditions to determine its growth and energy budget in relation to ration. The specific growth rate increased linearly...
Estimating annual Ceratonova shasta mortality rates in juvenile Scott and Shasta River coho salmon that enter the Klamath River mainstem
Nicholas A. Som, Nicholas J. Hetrick, Russell Perry, Julie D Alexander
2019, Report, Arcata fisheries technical report number TR 2019-38
The impacts of Ceratonova shasta on Klamath River salmonids have been the focus of tremendous research and monitoring over the past decade. Knowledge gained from the various studies has resulted in a growing suite of decision support tools that can be used to predict the prevalence of infection and mortality...
Factors associated with structure loss in the 2013–2018 California wildfires
Alexandra D. Syphard, Jon Keeley
2019, Fire (2)
Tens of thousands of structures and hundreds of human lives have been lost in recent fire events throughout California. Given the potential for these types of wildfires to continue, the need to understand why and how structures are being destroyed has taken on a new level of urgency. We compiled...
Chemically enhanced treatment wetland to improve water quality and mitigate land subsidence in the Sacramento-San Joaquin Delta: Cost and design considerations
Philip A. M. Bachand, Tamara E. C. Kraus, William R. Horwath, Nathan R. Hatch, Sandra M. Bachand
2019, San Francisco Estuary and Watershed Science (17)
Water quality impairment and land surface subsidence threaten the viability of the Sacramento-San Joaquin Delta (Delta), a critical component of California’s water conveyance system. Current day irrigation drainage through Delta island peat soils impacts drinking water treatment and is linked to mercury transport, potentially posing both ecological and public health...
Evaluation of an acoustic fish deterrent system in shallow water application at the Emiquon Preserve, Lewistown, IL.
James J. Wamboldt, Kelsie A. Murchy, Jessica C. Stanton, K. Douglas Blodgett, Marybeth K. Brey
2019, Management of Biological Invasions (10) 536-558
Expansion of non-native fish have caused ecological and economic damage and can negatively impact native fish populations. Current research on deterrent technologies for bighead Hypophthalmichthys nobilis and silver carp H. molitrix have primarily focused on reducing upstream movement in large river lock approaches. However, there is also interest in excluding carp from smaller-scale locations....
Age and growth of cottonwood trees along the Missouri River, North Dakota
Jonathan M. Friedman, Fisher R. Ankney, Marshall Wolf
2019, The Prairie Naturalist (50) 26-35
The relict plains cottonwood (Populus deltoides subsp. monilifera) forest along the Missouri River between Lakes Sakakawea and Oahe includes trees as large as two meters in diameter. We cored 24 of these trees to determine their age and suitability for flow reconstruction. Because most of the trees were rotten in...
Distribution and status of trout and char in North America
Phaedra E. Budy, Kevin B. Rogers, Yoichiro Kanno, Brooke E Penaluna, Nathaniel Hitt, Gary P. Thiede, Jason Dunham, Chad Mellison, William Somer, James DeRito
2019, Book chapter, Trout and char of the world
No abstract available....
Computational sustainability: Computing for a better world and a sustainable future
Carla Gomes, Thomas Dietterich, Christopher Barrett, Jon Conrad, Bistra Dilkina, Stefano Ermon, Fei Fang, Andrew Farnsworth, Alan Fern, Xiaoli Fern, Daniel Fink, Daniel Fisher, Alexander Flecker, Daniel Freund, Angela K. Fuller, John Gregoire, John Hopcroft, Steve Kelling, Zico Kolter, Warren Powell, Nicole Sintov, John Selker, Bart Selman, Daniel Sheldon, David Shmoys, Milind Tambe, Weng-keen Wong, Christopher Wood, Xiaojian Wu, Yexiang Xue, Abdul-Aziz Yakuba, Amulya Yadav, Mary Lou Zeeman
2019, Communications of the ACM (62) 56-65
Computational sustainability aims to develop computational methods to help solve environmental, economic, and societal problems and thereby facilitate a path towards a sustainable future. Sustainability problems are unique in scale, impact, complexity, and richness, offering challenges but also opportunities for the advancement of the state of the art of computing...
Clarifying how hunt-specific experiences affect satisfaction among more avid and less avid waterfowl hunters
David C. Fulton, Susan A. Schroeder, Louis Cornicelli, Steven D. Cordts, Jeffrey S. Lawrence
2019, Wildlife Society Bulletin (43) 455-467
Marketing research methods could enhance understanding of hunter satisfaction, a key metric for state wildlife management agencies. We use three marketing research approaches—revised importance-performance, importance-grid, and penalty-reward-contrast analysis—to examine the determinants of waterfowl hunter satisfaction. These methods have seen limited application in research on hunting and other outdoor recreation activities....
Back to the future: Rebuilding the Everglades
Fred H. Sklar, James M. Beerens, Laura A. Brandt, Carlos A. Coronado-Molina, Steven M Davis, Tom Frankovich, Christopher Madden, Agnes McLean, Joel C. Trexler, Walter Wilcox
2019, Book chapter, The Coastal Everglades: The Dynamics of Social-Ecological Transformation in the South Florida Landscape
Society values landscapes that are engrained in cultural tradition and have a rich connection with human history. As such, there has been a concerted effort to look at the pristine past and develop plans to move the past into the future. However, bringing the past back is constrained by hysteretic...
Framework for using downscaled climate model projections in ecological experiments to quantify plant and soil responses
Rachel K. Owen, Elisabeth B. Webb, Keith W. Goyne, Bohumil M. Svoma, Sagar Gautam
Iadine Chades, editor(s)
2019, Ecosphere (10) 1-19
Soil and plant responses to climate change can be quantified in controlled settings. However, the complexity of climate projections often leads researchers to evaluate ecosystem response based on general trends, rather than specific climate model outputs. Climate projections capture spatial and temporal climate extremes and variability that are lost when...
Foreword
L. David Mech
Toni K. Ruth, Polly C. Buotte, Maurice G. Hornocker, editor(s)
2019, Book chapter, Yellowstone cougars: Ecology before and during wolf restoration
No abstract available....
Effects of air exposure on survival of Yellowstone Cutthroat Trout angled from a stream with warm water temperatures
Darcy K. McCarrick, Curtis J. Roth, Daniel J. Schill, Brett High, Michael C. Quist
2019, Journal of Fish and Wildlife Management (10) 509-516
We evaluated the effects of air exposure on Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri caught and released in a cold-water stream with elevated water temperatures (i.e., > 14°C) in southeastern Idaho. Anglers caught fish in a 2.3-km section of Fall Creek, Idaho, during August 2018. Sampled fish...
