Rotenone use and subsequent prey loss lowers Osprey fledging rates via brood reduction
Charles J. Henny, James L Kaiser
2022, Journal of Raptor Research (56) 37-54
Fisheries managers used the fish toxicant rotenone to eradicate an undesirable brown bullhead (Ameiurus nebulosus) population and all other fish species at Hyatt Reservoir, Oregon, on 12 October 1989. This 4-yr study (1988–1990, 1992) compared effects of that rotenone project on Ospreys (Pandion haliaetus) nesting...
Summary and synthesis of 15 years of the Amphibian Vital Sign monitoring in the National Capital Region Inventory and Monitoring Network
Evan H. Campbell Grant, Adrianne Brand, AD Wright
2022, Report
The amphibian monitoring program, designed and conducted by the U.S. Geological Survey’s Amphibian Research and Monitoring Initiative program, is designed to estimate the status and trends of amphibian populations to assist management decisions in individual parks and across the National Capital Region Network. Detection/non-detection data for stream and wetland habitats has...
Repeat magnetotelluric measurements to monitor The Geysers steam field in northern California
Jared R. Peacock, David Alumbaugh, Michael Albert Mitchell, Craig Hartline
2022, Conference Paper, Proceedings, 47th Workshop on Geothermal Reservoir Engineering
The Geysers in northern California is the world’s largest electricity generating steam field. To help understand changes in the steam reservoir, repeat magnetotelluric (MT) measurements are being collected once a year from 2021-2023. These data will be compared and modeled to provide 4-D images of changes within the...
Selecting the optimal fine-scale historical climate data for assessing current and future hydrological conditions
Michelle A. Stern, Lorraine E. Flint, Alan L. Flint, Ryan M Boynton, Joseph A E Stewart, Jessica W Wright, James H. Thorne
2022, Journal of Hydrometeorology (23) 293-308
High-resolution historical climate grids are readily available and frequently used as inputs for a wide range of regional management and risk assessments, including water supply, ecological processes, and as baseline for climate change impact studies that compare them to future projected conditions. Because historical gridded climates are produced using various...
State of stress in areas of active unconventional oil and gas development in North America
Jens-Erik Lundstern, Mark D. Zoback
2022, AAPG Bulletin (106) 355-385
In this paper, we present comprehensive data on stress orientation and relative magnitude in areas throughout North America where unconventional oil and gas are currently being developed. We find excellent agreement between maximum horizontal principal stress (SHmax) orientations over a wide range of depths, using multiple methods. In all...
Simple relationships between residence time and annual nutrient retention, export, and loading for estuaries
Jian Shen, Jiabi Du, Lisa Lucas
2022, Limnology and Oceanography (67) 918-933
Simple mathematical models are derived from mass balances for water and transported substance to provide insight into the relationships between import, export, transport, and internal removal for nonconservative substances in an estuary. Extending previous work, our models explicitly include water and substance inputs from the ocean...
Biomass allocation of tidal freshwater marsh species in response to natural and manipulated hydroperiod in coastal deltaic floodplains
Andre S. Rovai, Robert R. Twilley, Alexandra Christiensen, Annabeth McCall, Daniel J. Jensen, Gregg Snedden, James T. Morris, John A. Cavell
2022, Estuarine, Coastal and Shelf Science (268)
Deltaic floodplains are highly vulnerable to relative sea level rise (RSLR) depending on the sediment supply from river channels that provides elevation capital as adaptation mechanism. In river channels where levees have restricted sediment supply to coastal deltaic floodplains, river sediment diversions have been proposed as a restoration strategy to...
Bright spots for inland fish and fisheries to guide future hydropower development
William M. Twardek, Ian G. Cowx, Nicolas W.R. Lapointe, Craig P. Paukert, T. Douglas Beard Jr., Elena M. Bennett, David Browne, Andrew K. Carlson, Keith D. Clarke, Zeb Hogan, Kai Lorenzen, Abigail Lynch, Peter B. McIntyre, Paulo S. Pompeu, Mark W. Rogers, Alexis Sakas, William W. Taylor, Taylor D. Ward, Zeenatul Basher, Steven J. Cooke
2022, Water Biology and Security (1)
Hydropower production is one of the greatest threats to fluvial ecosystems and freshwater biodiversity. Now that we have entered the Anthropocene, there is an opportunity to reflect on what might constitute a ‘sustainable’ Anthropocene in the context of hydropower and riverine fish populations. Considering elements of existing practices that promote favorable...
Isotopic discrimination of natural and anthropogenic perchlorate sources in groundwater in a semi-arid region of northeastern Oregon (USA)
Paul B. Hatzinger, J.K. Bohlke, W.A. Jackson, Baohua Gu, Stanley J. Mroczkowski, Neil C. Sturchio
2022, Applied Geochemistry (139)
Perchlorate (ClO4−) has synthetic and natural sources. Synthetic ClO4− is released to the environment from its use as an oxidant in military and aerospace applications, and from its presence in a variety of common commercial products, such as safety flares, chlorate herbicides, and fireworks. Natural sources of ClO4− in the...
An apparent dip calculator for spreadsheets
Gregory J. Walsh
2022, Techniques and Methods 7-C28
This report and spreadsheet calculator contain Microsoft Excel-based equations that are useful in structural geology to calculate plunge or apparent dip when measuring lineations on a plane. The spreadsheet allows users to measure the trend or the plunge of a lineation and calculate the corresponding unknown value of trend or...
Taking a macroscale perspective to improve understanding of shallow lake total phosphorus and chlorophyll a
Kendra Spence Cheruvelil, Katherine Webster, Katelyn King, Autumn C. Poisson, Tyler Wagner
2022, Hydrobiologia (849) 3663-3677
We conducted a macroscale study of 2210 shallow lakes (mean depth ≤ 3 m or a maximum depth ≤ 5 m) in the Upper Midwestern and Northeastern USA. We asked the following: What are the patterns and drivers of shallow lake total phosphorus (TP), chlorophyll a (CHLa), and TP–CHLa relationships at the macroscale, how do these differ from...
Active forest management accelerates carbon storage in plantation forests in Lishui, southern China
Jiaojiao Diao, Jinxun Liu, Zhiliang Zhu, Xinyuan Wei, Mingshi Li
2022, Forest Ecosystems (9)
BackgroundChina has committed to achieving peak CO2 emissions before 2030 and carbon neutrality before 2060; therefore, accelerated efforts are needed to better understand carbon accounting in industry and energy fields as well as terrestrial ecosystems. The carbon sink capacity of plantation forests contributes to the mitigation of climate...
Quantifying the sensitivity of microearthquake slip inversions to station distribution using a dense nodal array
Colin Nathanael Pennington, Hilary Chang, Justin Rubinstein, Rachel E. Abercrombie, Nori Nakata, Takahiko Uchide, Elizabeth S. Cochran
2022, Bulletin of the Seismological Society of America (112) 1252-1270.
To investigate the sensitivity of slip inversions to station distribution and choice of empirical Green’s function (EGF), we examine three microearthquakes that occurred within the high‐density LArge‐n Seismic Survey in Oklahoma (LASSO) nodal seismic array. The LASSO array’s dense distribution of 1825 geophones provides...
Lessons learned from 20 y of monitoring suburban development with distributed stormwater management in Clarksburg, Maryland, USA
Kristina G. Hopkins, Sean Woznicki, Brianna Williams, Charles C. Stillwell, Eric Naibert, Marina J. Metes, Daniel K. Jones, Dianna M. Hogan, Natalie Celeste Hall, Rosemary M. Fanelli, Aditi S. Bhaskar
2022, Freshwater Science (41) 459-476
Urban development is a well-known stressor for stream ecosystems, presenting a challenge to managers tasked with mitigating its effects. For the past 20 y, streamflow, water quality, geomorphology, and benthic communities were monitored in 5 watersheds in Montgomery County, Maryland, USA. This study presents a synthesis of...
Comparison of sediment composition by smear slides to quantitative shipboard data: A case study on the utility of smear slide percent estimates, IODP Expedition 353, northern Indian Ocean
Stephen C. Phillips, Kate Littler
2022, Scientific Drilling (30) 59-74
Smear slide petrography has been a standard technique during scientific ocean drilling expeditions to characterize sediment composition and classify sediment types, but presentation of these percent estimates to track downcore trends in sediment composition has become less frequent over the past 2 decades. We compare semi-quantitative smear slide composition estimates...
Nekton community dynamics within active and inactive deltas in a major river estuary: Potential implications for altered hydrology regimes
Caleb B. Taylor, John Andrew Nyman, Megan K. La Peyre
2022, Aquatic Biology (31) 1-18
High fisheries production within estuaries is associated with coastal upwelling, tidal mixing, and land-based runoff facing increasing impacts from climate and human activities. Active river deltas receive large riverine inflows compared to inactive river deltas, providing contrasting estuaries to compare impacts of river inflow on estuarine nekton. We quantified nekton...
Illinois and Landsat
U.S. Geological Survey
2022, Fact Sheet 2022-3006
Illinois is home to more than 12 million residents, including those living in Chicago, the third-largest city in the United States. Yet farmland claims about 75 percent of the largely flat terrain in Illinois. Tallgrass prairie once covered “The Prairie State,” and some remnants remain, but corn and soybeans are...
Three decades of stranding data reveal insights into endangered hawksbill sea turtles in Hawai‘i
Shandell Brunson, Alexander Gaos, Irene Kelly, Kyle van Houtan, Yonat Swimmer, Stacy Hargrove, George H. Balazs, Thierry M. Work, T. Todd Jones
2022, Endangered Species Research (47) 109-118
Hawksbill sea turtles Eretmochelys imbricata inhabiting the Hawaiian Islands are extremely rare and listed as endangered under the US Endangered Species Act. The paucity of data on basic hawksbill ecology continues to hinder effective management of the species. We analyzed stranding data collected between 1984 and 2018 to gain insights into...
December 23, 2021, Red Hill synoptic groundwater-level survey, Hālawa area, O‘ahu, Hawai‘i
Rylen K. Nakama, Jackson N. Mitchell, Delwyn S. Oki
2022, Open-File Report 2022-1018
On December 23, 2021, groundwater levels were measured in selected wells in the Hālawa area, O‘ahu, Hawai‘i, constituting a synoptic groundwater-level survey (shortened herein to “synoptic survey”) of the area. Groundwater levels were measured mainly from 9:00 a.m. to 12:00 p.m. (times listed in Hawai‘i standard time) and provide a...
A geochronological review of magmatism along the external margin of Columbia and in the Grenville-age orogens forming the core of Rodinia
Ake Johansson, Bernard Bingen, Hannu Huhma, Tod Waight, Rikke Vestergaard, Alvar Soesoo, Grazina Skridlaite, Ewa Krzeminska, Leonid Shumlyanskyy, Mark E. Holland, Christopher S. Holm-Denoma, Wilson Teixeira, Frederico Faleiros, Bruno Riberio, Joachim Jacobs, Cheng-Cheng Wang, Robert Thomas, Paul Macey, Christopher Kirkland, Michael Hartnady, Bruce Eglington, Stephen Puetz, Kent Condie
2022, Precambrian Research (371)
A total of 4344 magmatic U-Pb ages in the range 2300 to 800 Ma have been compiled from the Great Proterozoic Accretionary Orogen along the margin of the Columbia / Nuna supercontinent and from the subsequent Grenvillian collisional orogens forming the core of Rodinia. The age data are derived from...
Pervasive, preferential flow through mega-thick unsaturated zones in the Southern Great Basin
Tracie R. Jackson, Joseph M. Fenelon, Seth Reilly Gainey
2022, Groundwater (60) 496-509
Recharge from preferential flow through mega-thick (100–1,000 m) unsaturated zones is a pervasive phenomenon, as demonstrated with a case study of volcanic highland recharge areas in the Great Basin province in southern Nevada, USA. Statistically significant rising water-level trends occur for most study-area wells and resulted...
Behavioural adjustments in the social associations of a precocial shorebird mediate the costs and benefits of grouping decisions
Luke R. Wilde, Rose J. Swift, Nathan R. Senner
2022, Journal of Animal Ecology (91) 870-882
Animals weigh multiple costs and benefits when making grouping decisions. The cost-avoidance grouping framework proposes that group density, information quality and risk affect an individual’s preference for con or heterospecific groups. However, this assumes the cost–benefit balance of a particular grouping is constant spatiotemporally, which may not always be...
Linear regression model documentation for computing water-quality constituent concentrations using continuous real-time water-quality data for the Republican River, Clay Center, Kansas, July 2018 through March 2021
Brianna M. Leiker
2022, Scientific Investigations Report 2022-5016
The Republican River is the primary inflow to Milford Lake and drains areas of Kansas, Nebraska, and Colorado. Milford Lake has been listed as impaired and designated hypereutrophic by the Kansas Department of Health and Environment because of excessive nutrient loading. Milford Lake had confirmed harmful algal blooms every summer...
Gas hydrate saturation estimates, gas hydrate occurrence, and reservoir characteristics based on well log data from the hydrate-01 stratigraphic test well, Alaska North Slope
Seth S. Haines, Timothy Collett, Jun Yoneda, Naoyuki Shimoda, Ray Boswell, Norihiro Okinaka
2022, Journal of Energy and Fuels (36) 3040-3050
The Hydrate-01 Stratigraphic Test Well was drilled at the Kuparuk 7-11-12 site on the Alaska North Slope in December 2018. Sonic log data provide compressional (P) and shear (S) slowness from which we determine gas hydrate saturation (Sgh) estimates using effective medium theory. The sonic Sgh estimates compare...
Comparative toxicity of aquatic per- and polyfluoroalkyl substance exposure in three species of amphibians
Robert Wesley Flynn, Gary M. Hoover, Michael G. Iacchetta, Samuel C. Guffey, Youn J. Choi, Chloe De Perre, Belinda Huerta, Weiming Li, Jason T. Hoverman, Linda S. Lee, Maria S. Speulveda
2022, Environmental Toxicology and Chemistry (41) 1407-1415
Per- and polyfluoroalkyl substances (PFAS) are contaminants of concern due to their widespread occurrence in the environment, persistence, and potential to elicit a range of negative health effects. Per- and polyfluoroalkyl substances are regularly detected in surface waters, but their effects on many aquatic organisms are...
