Geoenvironmental model for roll-type uranium deposits in the Texas Gulf Coast
Katherine Walton-Day, Johanna Blake, Robert R. Seal, II, Tanya J. Gallegos, Jean Dupree, Kent D Becher
2022, Minerals (12)
Geoenvironmental models were formulated by the U.S. Geological Survey in the 1990s to describe potential environmental effects of extracting different types of ore deposits in different geologic and climatic regions. This paper presents a geoenvironmental model for roll-front (roll-type) uranium deposits in the Texas Coastal Plain. The model reviews...
Comparison of radium analytical methods for municipal drinking water well operation
Madeleine J Mathews, Sean R Scott, Randall J. Hunt, Matthew Ginder-Vogel
2022, Water Science and Engineering (4)
Radium (Ra) is a geogenic contaminant that occurs at high levels in the Midwestern Cambrian-Ordovician aquifer system (MCOAS), a regionally important sandstone and carbonate drinking water aquifer. Water utilities using the MCOAS often must adopt treatment methods or use alternative water sources to maintain high-quality drinking...
Assessing runoff and erosion on woodland-encroached sagebrush steppe using the Rangeland Hydrology and Erosion Model
C. Jason Williams, Frederick B. Pierson, Osama Z. Al-Hamdan, S. Kossi Nouwakpo, Justin C. Johnson, Viktor O. Polyakov, Patrick R. Kormos, Scott Shaff, Kenneth E. Spaeth
2022, Ecosphere (13)
The transition of sagebrush-dominated (Artemisia spp.) shrublands to pinyon (Pinus spp.) and juniper (Juniperus spp.) woodlands markedly alters resource-conserving vegetation structure typical of these landscapes. Land managers and scientists in the western United States need knowledge and predictive tools for assessment and effective targeting of tree-removal treatments to conserve or restore sagebrush vegetation...
What is a biocrust? A refined, contemporary definition for a broadening research community
Bettina Weber, Jayne Belnap, Burkhard Budel, Anita J. Antoninka, Nichole N. Barger, V Bala Chaudhary, Anthony Darrouzet-Nardi, David J. Eldridge, Akasha M. Faist, Scott Ferrenberg, Caroline Havrilla, Elisabeth Huber-Sannwald, Oumarou Malam Issa, Fernando T. Maestre, Sasha C. Reed, Emilio Rodriguez-Caballero, Colin L Tucker, Kristina E. Young, Yuanming Zhang, Yunge Zhao, Xiaobing Zhou, Matthew A. Bowker
2022, Biological Reviews (97) 1768-1785
Studies of biological soil crusts (biocrusts) have proliferated over the last few decades. The biocrust literature has broadened, with more studies assessing and describing the function of a variety of biocrust communities in a broad range of biomes and habitats and across a large spectrum of disciplines, and also by...
Cryptic population decrease due to invasive species predation in a long-lived seabird supports need for eradication
Steffen Oppel, Bethany L. Clark, Michelle M. Risi, Catharine Horswill, Sarah J. Converse, Christopher W. Jones, Alexis M. Osborne, Kim Stevens, Vonica Perold, Alexander L. Bond, Ross M. Wanless, Richard Cuthbert, John Cooper, Peter G. Ryan
2022, Journal of Applied Ecology (59) 2059-2070
Invasive species are one of the greatest drivers of biodiversity loss worldwide, and the eradication of invasive species from islands is a highly efficient management strategy. Because eradication operations require large financial investments, uncertainty over the magnitude of impacts of both invasive species and their removal can impede the...
Maturation study of vitrinite in carbonaceous shales and coals: Insights from hydrous pyrolysis
Divya K. Mishra, Paul C. Hackley, Aaron M. Jubb, Margaret M. Sanders, Shailesh Agrawal, Atul K. Varma
2022, International Journal of Coal Geology (259)
The presence of vitrinite in sedimentary rocks of post-Silurian age allows its reflectance to be used to estimate the thermal maturation of organic matter in petroleum systems. Increasing reflectance of vitrinite, which is primarily driven by aromaticity, depends primarily on the time and temperature attributes of its evolutionary pathway. This...
Reproductive indices and observations of mass ovarian follicular atresia in hatchery-origin pallid sturgeon
Tanner L. Cox, Christopher S. Guy, Luke M. Holmquist, Molly A. H. Webb
2022, Journal of Applied Ichthyology (38) 391-402
The Pallid Sturgeon (Scaphirhynchus albus) Conservation Propagation and Stocking Program began stocking in the Missouri River above Fort Peck Reservoir in 1998 with 1997-year-class pallid sturgeon. Within the 1997-year class, all hatchery-origin pallid sturgeon females that reached reproductive maturation by 2016 underwent mass ovarian follicular atresia. Using combined historical and...
Application of a soil-water-balance model to estimate annual groundwater recharge for Long Island, New York, 1900–2019
Jason S. Finkelstein, Jack Monti Jr., John P. Masterson, Donald A. Walter
2022, Scientific Investigations Report 2021-5143
A soil-water-balance (SWB) model was developed for Long Island, New York, to estimate the potential amount of annual groundwater recharge to the Long Island aquifer system from 1900 to 2019. The SWB model program is a computer code based on a modified Thornthwaite-Mather SWB approach and uses spatially and temporally...
Primary production responses to extreme changes in North American Monsoon precipitation vary by elevation and plant functional composition through time
Seth M. Munson, John B. Bradford, Bradley J. Butterfield, Jennifer R. Gremer
2022, Journal of Ecology (110) 2232-2245
Primary production in dryland ecosystems is limited by water availability and projected to be strongly affected by future shifts in seasonal precipitation. Warm-season precipitation derived from the North American Monsoon contributes 40% of annual precipitation to dryland ecosystems in the southwestern U.S. and is projected to become more variable....
Resisting-accepting-directing: Ecosystem management guided by an ecological resilience assessment
Kristen L. Bouska, Nathan R. De Jager, Jeffrey N. Houser
2022, Environmental Management (70) 381-400
As anthropogenic influences push ecosystems past tipping points and into new regimes, complex management decisions are complicated by rapid ecosystem changes that may be difficult to reverse. For managers who grapple with how to manage ecosystems under novel conditions and heightened uncertainty, advancing our understanding of regime shifts is...
Data-driven modeling of wind waves in upper Delaware Bay with living shorelines
Nan Wang, Q. Chen, Ling Zhu, Hongqing Wang
2022, Ocean Engineering (257)
Living shoreline projects have been built to preserve coastal ecosystems under future climate change and sea level rise. To quantify the wave power variation across living shorelines, the wave characteristics around the constructed oyster reefs (CORs) in upper Delaware Bay were investigated in this study. Wave parameters seaward and shoreward...
Assessing wave attenuation with rising sea levels for sustainable oyster reef-based living shorelines
Reza Salatin, Hongqing Wang, Q. Chen, Ling Zhu
2022, Frontiers in Built Environment (8)
In densely populated coastal areas with sea-level rise (SLR), protecting the shorelines against erosion due to the wave impact is crucial. Along with many engineered structures like seawalls and breakwaters, there are also green structures like constructed oyster reefs (CORs) that can not only attenuate the incident waves...
Assessment of streamflow trends in the eastern Dakotas, water years 1960–2019
Parker A. Norton, Gregory C. Delzer, Joshua F. Valder, Wyatt S. Tatge, Karen R. Ryberg
2022, Scientific Investigations Report 2022-5055
Hydrologic extremes, whether periods of drought or flooding, are occurring more frequently with greater severity and can have substantial economic impacts. Along with flooding, the timing and volume of streamflow also is changing across the United States. The focus of this report is to characterize a unique trend in mean...
Seismostratigraphic analysis of Lake Cahuilla sedimentation cycles and fault displacement history beneath the Salton Sea, California, USA
Daniel Brothers, Neal W. Driscoll, Graham Kent, Robert L. Baskin, Alistair J. Harding, Annie Kell
2022, Geosphere (18) 1354-1376
The Salton Trough (southeastern California, USA) is the northernmost transtensional stepover of the Gulf of California oblique-divergent plate boundary and is also where the southern terminus of the San Andreas fault occurs. Until recently, the distribution of active faults in and around the Salton...
Hidden in plain sight: Migration routes of the elusive Anadyr bar-tailed godwit revealed by satellite tracking
Ying-Chi Chan, T. Lee Tibbitts, Dmitry Dorofeev, Chris J. Hassell, Theunis Piersma
2022, Journal of Avian Biology (2022)
Satellite and GPS tracking technology continues to reveal new migration patterns of birds which enables comparative studies of migration strategies and distributional information useful in conservation. Bar-tailed godwits in the East Asian–Australasian Flyway Limosa lapponica baueri and L. l. menzbieri are known for their long non-stop flights, however these populations are in steep decline....
Highly pathogenic avian influenza (HPAI): An emerging disease threat in North America
Andrew M. Ramey, Colleen M. Handel
2022, Report
Highly pathogenic avian influenza (HPAI) is an ecologically and economically significant avian disease that is quickly spreading among wild and domestic birds throughout North America. In this blog post, we provide information and resources that can help you to be informed, be prepared, and be ready to take appropriate action...
Reference values and comparison of blood chemistry and plasma protein values between gold standard analyzers and four point-of-care devices in free-ranging canvasbacks (Aythya valisineria)
Nancy L. Anderson, Susan E.W. De La Cruz, Maris Brenn-White, Greg Frankfurter, Michael H. Ziccardi, Beatriz Martinez-Lopez
2022, Journal of Zoo and Wildlife Medicine (53) 302-318
Accurate, timely, and cost-effective blood chemistry analysis is an essential tool for directing emergency treatment, monitoring the health status of captive and free-ranging individuals and flocks, and improving the efficacy of conservation actions. Blood samples were obtained from 52 canvasbacks (Aythya valisineria) that were captured on San Francisco Bay, California,...
A refined assessment of the paleoceanographic and tectonic influences on the deposition of the Monterey Formation in California
John A. Barron
Ivano Aiello, John A. Barron, Christina Ravelo, editor(s)
2022, Book chapter, Understanding the Monterey Formation and similar biosiliceous units across space and time
Application of updated diatom biochronology to the Monterey Formation and related biosiliceous rocks reveals the imprint of both global paleoclimatic/ paleoceanographic and regional tectonic events. A rise in global sea level combined with regional tectonic deepening associated with the development of the transform California margin resulted in the abrupt onset...
Enumerating plausible multifault ruptures in complex fault systems with physical constraints
Kevin R. Milner, Bruce E. Shaw, Edward H. Field
2022, Bulletin of the Seismological Society of America (112) 1806-1824
We propose a new model for determining the set of plausible multifault ruptures in an interconnected fault system. We improve upon the rules used in the Third Uniform California Earthquake Rupture Forecast (UCERF3) to increase connectivity and the physical consistency of ruptures. We replace UCERF3’s simple azimuth change rules with...
Mapping a magnetic superstorm: March 1989 geoelectric hazards and impacts on United States power systems
Jeffrey J. Love, Greg M. Lucas, E. Joshua Rigler, Benjamin Scott Murphy, Anna Kelbert, Paul A. Bedrosian
2022, Space Weather (20)
A study is made of the relationships between geomagnetic and geoelectric field variation, Earth-surface impedance, and operational interference (anomalies) experienced on electric-power systems across the contiguous United States during the March 13-14, 1989 magnetic storm. For this, a 1-minute-resolution sequence of geomagnetic field maps is constructed from magnetometer time series...
Long-term ice phenology records spanning up to 578 years for 78 lakes around the Northern Hemisphere
Sapna Sharma, Alessnadro Filazzola, Thi Nguyen, Mohammad Imrit, Kevin Blagrave, Damien Bouffard, Julia Daly, Harley Feldman, Natalie Feldsine, Harrie-Jan Hendricks-Franssen, Nikolay Granin, Richard Hecock, Jan Henning L'Abee-Lund, Ed Hopkins, Neil Howk, Michael Iacono, Lesley B. Knoll, Johanna Korhonen, Hilmar Malmquist, Woldzimierz Marszelewski, Shin-ichiro S. Matsuzaki, Yuichi Miyabara, Kiyoshi Miyasaka, Alexander Mills, Lolita Olson, Theodore Peters, David Richardson, Dale M. Robertson, Lars G. Rudstam, Danielle Wain, Holly Waterfield, Gesa A. Weyhenmeyer, Brendan Wiltse, Huaxia Yao, Andry Zhdanov, John J. Magnuson
2022, Scientific Data (9)
In recent decades, lakes have experienced unprecedented ice loss with widespread ramifications for winter ecological processes. The rapid loss of ice, resurgence of winter biology, and proliferation of remote sensing technologies, presents a unique opportunity to integrate disciplines to further understand the broad spatial and temporal patterns in ice loss...
A framework for ensemble modelling of climate change impacts on lakes worldwide: The ISIMIP lake sector.
Malgorzata Golub, Wim Thiery, Rafael Marce, Don Pierson, Inne Vanderkelen, Daniel Mercado-Bettin, R. Iestyn Woolway, Luke Grant, Eleanor Jennings, Benjamin Kraemer, Jacob Schewe, Fang Zhao, Katja Frieler, Matthias Mengel, Vasiliy Y. Bogomolov, Damian Bouffard, Marianne Cote, Raoul-Marie Couture, Andrey V. Debolskiy, Bram Droppers, Gideon Gal, Mingyang Guo, Annette B. G. Janssen, Georgiy Kirillin, Robert Ladwig, Madeline Magee, Tadhg Moore, Marjorie Perroud, Sebastiano Piccolroaz, Love Raaman Vinnea, Martin Schmid, Tom Shatwell, Victor M. Stepanenko, Zeli Tan, Bronwyn Woodward, Huaxia Yao, Rita Adrian, Mathew Allan, Orlane Anneville, Lauri Arvola, Karen Atkins, Leon Boegman, Cayelan C. Carey, Kyle Christianson, Elvira de Eyto, Curtis L. DeGasperi, Maria Grechushnikova, Josef Hejzlar, Klaus Joehnk, Ian D. Jones, Alo Laas, Eleanor B. MacKay, Ivan Mammarella, Hampus Markensten, Christopher G. McBride, Deniz Özkundakci, Miguel Potes, Karsten Rinke, Dale M. Robertson, James A. Rusak, Rui Salgado, Leon van der Linden, Piet Verburg, Danielle Wain, Nicole K. Ward, Sabine Wollrab, Galina Zdorovennova
2022, Geoscientific Model Development (15) 4297-4623
Empirical evidence demonstrates that lakes and reservoirs are warming across the globe. Consequently, there is an increased need to project future changes in lake thermal structure and resulting changes in lake biogeochemistry in order to plan for the likely impacts. Previous studies of the impacts of climate change on lakes...
Computed tomography for measuring body fat reserves in threatened Mohave desert tortoise (Gopherus agassizii)
M A Walden, Rachel Jania, Matthew E Kinney, Anne Devan-Song, K. Kristina Drake, Todd Esque, Kevin T. Shoemaker
2022, Journal of Zoo and Wildlife Medicine (53) 412-423
Noninvasive methods for measuring fat reserves in both captive and free-ranging animals are important for monitoring individual and population health, but chelonian anatomy and physiology present challenges to accurate measurements. Standard field-based methods for assessing body condition in Mojave desert tortoises (Gopherus agassizii) involve the...
Statistical assessment on determining local presence of rare bat species
Kathryn M. Irvine, Katharine M. Banner, Christian Stratton, W. Mark Ford, Brian Reichert
2022, Ecosphere (13)
Surveying cryptic, sparsely distributed taxa using autonomous recording units, although cost-effective, provides imperfect knowledge about species presence. Summertime bat acoustic surveys in North America exemplify the challenges with characterizing sources of uncertainty: observation error, inability to census populations, and natural stochastic variation. Statistical uncertainty, if not...
Adaptive problem maps (APM): Connecting data dots to build increasingly informed and defensible environmental conservation decisions
Martha E. Mather, John M. Dettmers
2022, Journal of Environmental Management (312)
Connecting individual datasets from different projects to each other and to decisions can help manager-researcher-administrator teams build on what is known and adapt their environmental decision-making process as new information becomes available. Throughout their careers, environmental professionals often collect data on many individual projects that address similar sets of natural...
