Mass wasting along the Cascadia subduction zone: Implications for abyssal turbidite sources and the earthquake record
Jenna C. Hill, Janet Watt, Daniel S. Brothers
2022, Earth and Planetary Science Letters (597)
The only submarine records of large (>Mw7) prehistoric earthquakes along the Cascadia subduction zone are derived from sequences of deep sea turbidites interpreted to represent synchronous, shaking-induced failures along the continental slope. However, the spatial correlation of these deposits along the margin is complicated and the chronological constraints involve significant...
You vs. us: Framing adaptation behavior in terms of private or social benefits
Hilary Byerly Flint, Paul Cada, Patricia A. Champ, Jamie Gomez, Danny Margoles, James Meldrum, Hannah Brenkert-Smith
2022, Climatic Change (174)
Private actions to mitigate and adapt to climate change may have benefits to both the individual and society. In some cases, an individual may be motivated by appeals that highlight benefits to others, rather than to oneself. We test whether such prosocial framing influences information-seeking behavior...
Improving gas-derived parameterization of groundwater using free phase gas measurements
Robert J Agnew, Andrew Hunt, Todd Halihan
2022, Environmental Science: Water Research & Technology (8) 2682-2693
Dissolved atmogenic gasses in groundwater provide significant information about recharge conditions, flowpath, and age. Free phase gas in aquifers is largely ignored in these analyses and there is a lack of quantitative analysis for gas flux mechanisms. Many related fields encountering multiphase flow acknowledge that the presence of bubbles...
Evaluation of sample preservation methods for analysis of selected volatile organic compounds in groundwater at the Idaho National Laboratory, Idaho
Kerri C. Treinen, Roy C. Bartholomay
2022, Scientific Investigations Report 2022-5076
During 2020, water samples were collected from 25 wells completed in the eastern Snake River Plain aquifer and from 1 well completed in perched groundwater above the aquifer at the Idaho National Laboratory to determine the effect of different sample-preservation methods on the laboratory determinations of concentrations of volatile...
MTAB 101, September 2022
Kyra Harvey, Jennifer L. McKay
2022, Newsletter
This Memo to All Banders (MTAB 101) was released in September 2022. Subjects in this this memo are 1. The Chief’s Chirp; 2. Alerts – Highly Pathogenic Avian Influenza; 3. Staff updates – staff spotlight: BBL’s new contractor database manager; 4. News – Gamebirds Release, 1-Year Anniversary of Banders Without...
Intra-site sources of restoration variability in severely invaded rangeland: Strong temporal effects of herbicide-weather interactions; weak spatial effects of plant-community patch type and litter
Rebecca Donaldson, Matthew Germino
2022, Ecological Solutions and Evidence (3)
Invasions by exotic annual grasses (EAGs) are replacing native perennials in semiarid areas globally, including the vast sagebrush-steppe rangelands of western North America. Efforts to eradicate EAGs and restore perennials have had mixed success, especially in relatively warm and dry areas where EAGs had high dominance prior to intervention....
In-reservoir physical processes modulate aqueous and biological methylmercury export from a seasonally anoxic reservoir
Austin K. Baldwin, Collin Eagles-Smith, James Willacker, Brett Poulin, David P. Krabbenhoft, Jesse Naymik, Michael T. Tate, Dain Bates, Nick Gastelecutto, Charles Hoovestol, Christopher F. Larsen, Alysa Muir Yoder, James A. Chandler, Ralph Myers
2022, Environmental Science and Technology (56) 13751-13760
Anoxic conditions within reservoirs related to thermal stratification and oxygen depletion lead to methylmercury (MeHg) production, a key process governing the uptake of mercury in aquatic food webs. Once formed within a reservoir, the timing and magnitude of the biological uptake of MeHg and the relative importance of MeHg export...
Combining eddy covariance and chamber methods to better constrain CO2 and CH4 fluxes across a heterogeneous restored tidal wetland
Julie Shahan, Housen Chu, Lisamarie Windham-Myers, Maiyah Matsumura, Joseph Carlin, Elke Eichelmann, Ellen J Goodrich-Stuart, Brian A. Bergamaschi, Kyle Kensuke Nakatsuka, Cove Sturtevant, Patty Oikawa
2022, Journal of Geophysical Research-Biogeosciences (127)
Tidal wetlands play an important role in global carbon cycling by storing carbon in sediment at millennial time scales, transporting dissolved carbon into coastal waters, and contributing significantly to global CH4 budgets. However, these ecosystems' greenhouse gas monitoring and predictions are challenging due to spatial heterogeneity and tidal...
Evaluation of select velocity measurement techniques for estimating discharge in small streams across the United States
Tyler Victor King, Stephen Hundt, Amy E. Simonson, Kyle W. Blasch
2022, Journal of the American Water Resources Association (58) 1510-1530
Multiple instruments and methods exist for collecting discrete streamflow measurements in small streams with low flows, defined here as less than 5.7 m3/s (200 ft3/s). Included in the available methods are low-cost approaches that are infrequently used, in part, because their uncertainty is not well known. In this...
Distribution and abundance of Southwestern Willow Flycatchers (Empidonax traillii extimus) on the Upper San Luis Rey River, San Diego County, California—2021 data summary
Scarlett L. Howell, Barbara E. Kus
2022, Data Report 1158
We surveyed for Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) along the upper San Luis Rey River near Lake Henshaw in Santa Ysabel, California, in 2021. Surveys were completed at four locations: three downstream from Lake Henshaw, where surveys occurred from 2015 to 2020 (Rey River Ranch [RRR], Cleveland National...
Quantifying flow and nonflow management impacts on an endangered fish by integrating data, research, and expert opinion
Charles Yackulic, Thomas P Archdeacon, Richard A. Valdez, Monika Hobbs, Michael D. Porter, Joel Lusk, Ashley M. Tanner, Eric J Gonzales, Debbie Y Lee, Grace M Haggerty
2022, Ecosphere (13)
Managers charged with recovering endangered species in regulated river segments often have limited flexibility to alter flow regimes and want estimates of the expected population benefits associated with both flow and nonflow management actions. Disentangling impacts on different life stages from concurrently applied actions is essential for determining the effectiveness...
Biosafety practices when working with bats: A guide to field research considerations
Alvaro Aguilar-Setién, Nidia Aréchiga-Ceballos, Gary A. Balsamo, Amy J. Behrman, Hannah K. Frank, Gary R. Fujimoto, Elizabeth Gilman Duane, Thomas Warner Hudson III, Shelley M. Jones, Luis A. Ochoa Carrera, Gregory L. Powell, Carrie Alison Smith, Joni Triantis Van Sickle, Susan E. Vleck
2022, Applied Biosafety (27) 169-190
Introduction: Field work with bats is an important contribution to many areas of research in environmental biology and ecology, as well as microbiology. Work with bats poses hazards such as bites and scratches, and the potential for exposure to infectious pathogens such as rabies virus. It also exposes researchers to many...
Development of the LCMAP annual land cover product across Hawai'i
Congcong Li, George Z. Xian, Danika F. Wellington, Kelcy Smith, Josephine Horton, Qiang Zhou
2022, International Journal of Applied Earth Observation and Geoinformation (113)
Following the completion of land cover and change (LCC) products for the conterminous United States (CONUS), the U.S. Geological Survey's (USGS’s) Land Change Monitoring, Assessment, and Projection initiative has broadened the capability of characterizing continuous historical land change across the full Landsat records for Hawaiʻi at 30-meter resolution. One of the challenges of implementing...
Viscoelastic fault-based model of crustal deformation for the 2023 update to the U.S. National Seismic Hazard Model
Fred Pollitz
2022, Seismological Research Letters (93) 3087-3099
The 2023 update to the National Seismic Hazard (NSHM) model is informed by several deformation models that furnish geodetically estimated fault slip rates. Here I describe a fault‐based model that permits estimation of long‐term slip rates on discrete faults and the distribution of...
Influence of riparian thinning on trophic pathways supporting stream food webs in forested watersheds
David A. Roon, Jason B. Dunham, J. Ryan Bellmore, Deanna H. Olson, Bret C. Harvey
2022, Ecosphere (13)
Resource managers seek to thin second-growth riparian forests to address multiple stream and riparian management objectives, including enhancing aquatic productivity via light-mediated trophic pathways in watersheds of the Pacific Northwest (USA). However, such increases in aquatic productivity depend on complex food web dynamics that link riparian forests and streams. To...
New strategies for characterizing genetic structure in wide-ranging, continuously distributed species: a Greater Sage-grouse case study
Sara J. Oyler-McCance, Todd B. Cross, Jeffery R. Row, Michael K. Schwartz, Dave E. Naugle, Jennifer A. Fike, Kristopher J. Winiarski, Brad C. Fedy
2022, PLoS ONE (17)
Characterizing genetic structure across a species’ range is relevant for management and conservation as it can be used to define population boundaries and quantify connectivity. Wide-ranging species residing in continuously distributed habitat pose substantial challenges for the characterization of genetic structure as many analytical methods used are less effective when...
Partial observability and management of ecological systems
Byron K. Williams, Eleanor D. Brown
2022, Ecology and Evolution (12)
The actual state of ecological systems is rarely known with certainty, but management actions must often be taken regardless of imperfect measurement (partial observability). Because of the difficulties in accounting for partial observability, it is usually treated in an ad hoc fashion, or simply...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Water resources
Timothy T. Bartos, Steven K. Sando, Todd M. Preston, Gregory C. Delzer, Robert F. Lundgren, Rochelle A. Nustad, Rodney R. Caldwell, Zell E. Peterman, Bruce D. Smith, Kathleen M. Macek-Rowland, David A. Bender, Jill D. Frankforter, Joel M. Galloway
2022, Scientific Investigations Report 2017-5070-C
The Williston Basin has been a leading oil and gas producing area for more than 50 years. While oil production initially peaked within the Williston Basin in the mid-1980s, production rapidly increased in the mid-2000s, largely because of improved horizontal (directional) drilling and hydraulic fracturing methods. In 2012, energy development...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Physiography, climate, land use, and demographics
Kevin C. Vining, Joanna N. Thamke, Max Post van der Burg
2022, Scientific Investigations Report 2017-5070-B
The Williston Basin has been a leading domestic oil and gas producing region. As energy demands have increased, so has energy development. A group of 13 Federal agencies and Tribal groups formed the Bakken Federal Executive Group to address common challenges associated with energy development, with a focus on understanding...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Executive summary
Max Post van der Burg, Kevin C. Vining, Jill D. Frankforter
2022, Scientific Investigations Report 2017-5070-A
Executive SummaryThe Williston Basin, which includes parts of Montana, North Dakota, and South Dakota in the United States and parts of Manitoba and Saskatchewan in Canada, has been explored as a potential source of energy resources since the early 20th century; however, commercially viable petroleum drilling and recovery began in...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota—Species of conservation concern
Max Post van der Burg, Amy J. Symstad, Lawrence D. Igl, David M. Mushet, Diane L. Larson, Glen A. Sargeant, David D. Harper, Aïda M. Farag, Brian A. Tangen, Michael J. Anteau
2022, Scientific Investigations Report 2017-5070-D
The ecosystems of the Williston Basin provide direct and indirect benefits to society. These benefits include carbon sequestration, flood control, nutrient rich soils for agricultural productivity, and habitat for wildlife. This chapter’s main focus is on the effects of energy development on species that occupy the ecosystems in the Williston...
Potential effects of energy development on environmental resources of the Williston Basin in Montana, North Dakota, and South Dakota
2022, Scientific Investigations Report 2017-5070
About this volumeThe Williston Basin, which includes parts of Montana, North Dakota, and South Dakota in the United States, has been a leading domestic oil and gas producing area. To better understand the potential effects of energy development on environmental resources in the Williston Basin, the U.S. Geological Survey, in...
Assessment of undiscovered conventional oil and gas resources in Paleozoic total petroleum systems of the Central European Basin system, 2019
Christopher J. Schenk, Tracey J. Mercier, Cheryl A. Woodall, Heidi M. Leathers-Miller, Phuong A. Le, Ronald M. Drake II, Michael E. Brownfield
2022, Fact Sheet 2022-3066
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 278 million barrels of oil and 25.7 trillion cubic feet of gas in Paleozoic total petroleum systems of the Central European Basin System....
Mountain rivers reveal the earthquake hazard of geologic faults in Silicon Valley
Felipe Aron, Samuel Johnstone, Andreas Mavrommatis, Robert M. Sare, Frantz Maerten, Jack Loveless, Curtis W Baden, George E. Hilley
2022, Geophysical Research Letters (49)
The 1989, Mw = 6.9 Loma Prieta earthquake resulted in tens of lives lost and cost California almost 3% of its gross domestic product. Despite widespread damage, the earthquake did not clearly rupture the surface, challenging the identification and characterization of these hidden hazards. Here, we show that they can be illuminated by...
Integrated modeling of dynamic marsh feedbacks and evolution under sea-level rise in a mesotidal estuary (Plum Island, MA, USA)
Karim Alizad, James T. Morris, Matthew V. Bilskie, Davina Passeri, Scott C. Hagen
2022, Water Resources Research (58)
Around the world, wetland vulnerability to sea-level rise (SLR) depends on different factors including tidal regimes, topography, creeks and estuary geometry, sediment availability, vegetation type, etc. The Plum Island estuary (PIE) is a mesotidal wetland system on the east coast of the United States. This research applied a newly updated...
