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Assessing pesticide application contributions of per- and polyfluoroalkyl substances (PFAS) in agricultural streams Assessing pesticide application contributions of per- and polyfluoroalkyl substances (PFAS) in agricultural streams
Research has documented per-and polyfluoroalkyl substances (PFAS) to be prevalent in streams impacted by urban sources; less is known regarding PFAS contributions via pesticide applications: PFAS coming from pesticide containers and “inert” ingredients not listed on pesticide formulation labels. To better understand co-occurrence of pesticides and PFAS in agricultural streams, 10 streams...
Authors
Emily E. Woodward, Michelle L. Hladik, James L. Orlando, Matthew Uychutin, James L. Gray, Dana W. Kolpin
Post-wildfire water quality and aquatic ecosystem response in the U.S. Pacific Northwest: science and monitoring gaps Post-wildfire water quality and aquatic ecosystem response in the U.S. Pacific Northwest: science and monitoring gaps
An increase in the occurrence of large, high severity wildfires in the western Pacific Northwest (PNW), USA, has created an urgent need for science to better inform forest management and policy decisions to maintain source water quality in the region. The western PNW faces similar challenges to other regions with shifting wildfire regimes and large population centers reliant on surface...
Authors
Sara Wall, Jana E. Compton, Ashley A. Coble, Beth M. Haley, Jiajia Lin, Allison Myers-Pigg, Justin K. Reale, Katie Wampler, Allison Swartz, Kevan Moffett, Kevin D. Bladon, Kurt Carpenter, Heejun Chang, Junjie Chen, David Donahue, Chris S. Eckley, Amanda K. Hohner, Peter M. Kiffney, Lorrayne Miralha, Peter Regier, Joshua Seeds, Mark River
Bascom Laser Diffraction Sedimentology Laboratory, Reston, Virginia Bascom Laser Diffraction Sedimentology Laboratory, Reston, Virginia
Introduction At the Bascom Laser Diffraction Sedimentology Laboratory, which is located in the Florence Bascom Geoscience Center at U.S. Geological Survey (USGS) headquarters in Reston, Virginia, scientists use physical sedimentology and particle characterization techniques to conduct detailed sediment characterization. Scientists address research problems in collaboration with other...
Authors
Grant D. Colip
Stepovers and beyond: Structural control of The Geysers geothermal system and the broader Clear Lake region Stepovers and beyond: Structural control of The Geysers geothermal system and the broader Clear Lake region
Fault geometry exerts a first-order control on geothermal systems by governing stress localization, fracture development, and permeability, yet in complex fault networks or broader shear zones, the relative influence of individual geometric features is often difficult to resolve. In the northern California Coast Ranges, The Geysers geothermal field is commonly interpreted to occur within...
Authors
Benjamin L. Melosh
The petrogenesis of Þingmúli volcano, East Fjords, Iceland The petrogenesis of Þingmúli volcano, East Fjords, Iceland
In this work we revisit Þingmúli volcano (Þ = Th), a classic locality known as an example of a complete tholeiitic differentiation. Þingmúli is a ~ 9.5 Ma extinct central volcano located in the East Fjords of Iceland, in which the whole compositional spectrum from basalt to rhyolites have erupted. These volcanic products have been previously considered as petrogenetically related by an...
Authors
Amanda L. Hughes, Joaquín A. Cortès, Dave McGarvie, Richard J. Moscati, Valerie Olive
Ten new insights in climate science 2025 Ten new insights in climate science 2025
Interdisciplinary understanding is vital for delivering sound climate policy advice. However, navigating the ever-growing and increasingly diverse scholarly literature on climate change is challenging for any individual researcher. This annual synthesis highlights and explains recent advances across a variety of fields of climate change research. This year, the 10 insights focus on: (1)...
Authors
Daniel Ospina, Paula Mirazo, Richard P. Allan, Smriti Basnett, Ana Bastos, Nishan Bhattarai, Wendy Broadgate, Derik J. Broekhoff, Mercedes Bustamante, Deliang Chen, Yeonju Choi, Peter Cox, Luiz A. Domeignoz-Horta, Krislie Ebi, Pierre Friedlingstein, Thomas L. Frölicher, Sabine Fuss, Helge F. Goessling, Nicolas Gruber, Qingyou He, Sophie R. Hebden, Nadja Hedrich, Adrian Heilemann, Marina Hirota, Øivind Hodnebrog, Gustaf Hugelius, Santiago Izquierdo-Tort, Sirkku Juhola, Fumiko Kasuga, Piyu Ke, Douglas I. Kelley, Şiir Kilkiș, Maximilian Kotz, Nilushi Kumarasinghe, William F. Lamb, Shih-Yu Lee, Junguo Liu, Cara N. Maesano, Maria A. Martin, Guilherme G. Mazzochini, Christopher J. Merchant, Akira S. Mori, Jennifer Morris, Åsa Persson, Hans-Otto Pörtner, Benedict S. Probst, Justine Ramage, Estelle Razanatsoa, Aaron Redman, Johan Rockström, Regina Rodrigues, Sophie Ruehr, Sadie J. Ryan, Carl-Friedrich Schleussner, Peter Schlosser, William A. Scott, Jan C. Semenza, Hansjörg Seybold, Drew T. Shindell, Giles B. Sioen, Kathryn E. Smith, Youba Sokona, Annika H. Stechemesser, Thomas F. Stocker, Sophie H.L. Su, Djiby Thiam, Gregory Trencher, Anna-Maria Virkkala, Lila Warszawski, Sarah R. Weiskopf, Henry Wu, Shupeng Zhu
Synthesizing beaver coexistence messaging with the capability, opportunity, and motivation behavior model Synthesizing beaver coexistence messaging with the capability, opportunity, and motivation behavior model
In the western United States, conservation practitioners are increasingly working with private landowners to restore habitat for North American beavers (Castor canadensis) and to use nonlethal mitigation techniques when beavers damage crops and infrastructure. Effective communication is critical for promoting coexistence, yet on-the-ground conservation messaging seldom links to behavior...
Authors
Brian D. Erickson, Megan Siobhan Jones
Chronic wasting disease (CWD) knowledge, risk perception, and management acceptance are influenced by media engagement and trust among deer hunters in Massachusetts Chronic wasting disease (CWD) knowledge, risk perception, and management acceptance are influenced by media engagement and trust among deer hunters in Massachusetts
Prior to wildlife disease emergence, public outreach campaigns can improve disease-related knowledge and increase the likelihood that stakeholders accept potential management actions. One wildlife disease of particular interest is chronic wasting disease (CWD), which is spreading across the United States but has not been detected in Massachusetts. We conducted a survey of deer hunters (n...
Authors
Margaret C. McEachran, Brian M. Hoven, Martin J. R Feehan, Graziella Vittoria DiRenzo
Per- and polyfluoroalkyl substances in waters associated with oil and gas development in the Denver Basin Per- and polyfluoroalkyl substances in waters associated with oil and gas development in the Denver Basin
Use of per- and polyfluoroalkyl substances (PFAS) in the petroleum industry could be a cause for concern due to the large volumes of produced water (PW) generated during oil and gas extraction, the reuse of these wastes in water-stressed regions, and adverse health outcomes related to PFAS exposures. However, PW PFAS characterization is nearly absent in the literature, and hydraulic...
Authors
Matthew S. Varonka, Aaron M. Jubb, Bonnie McDevitt, Jenna L. Shelton, Elliott P. Barnhart, Denise M. Akob, Isabelle M. Cozzarelli
Mineral commodity summaries 2026 Mineral commodity summaries 2026
Introduction Each mineral commodity chapter of the 2026 edition of the U.S. Geological Survey (USGS) Mineral Commodity Summaries (MCS) includes information on events, trends, and issues for each mineral commodity as well as discussions and tabular presentations on domestic industry structure, Government programs, tariffs, 5-year salient statistics, and world production, reserves, and...
Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ18O signals Shifting winter atmospheric teleconnections to the North Pacific reconcile Younger-Dryas and Holocene δ18O signals
Using Alaskan lake sediment oxygen isotope records (δ18O), which trace the δ18O of precipitation, we establish that abrupt atmospheric shifts occurred during the last deglacial period in the North Pacific-Arctic. The robust lake δ18O chronologies confidently correlate Younger-Dryas (YD) atmospheric adjustments in Alaska with Greenland ice-core records and their seasonal sensitivity are...
Authors
Lesleigh Anderson, Bruce P. Finney, W. Brad Baxter
Out with the old: Empirical trends in U.S. land-based wind turbine decommissioning and repowering Out with the old: Empirical trends in U.S. land-based wind turbine decommissioning and repowering
A growing number of wind turbines (WTs) across the globe are now reaching or exceeding their expected service lifetime; WT decommissioning is on the rise. Accordingly, questions pertaining to WT end-of-life have risen in importance in policy and practice. Yet, research on the various factors relating to WT decommissioning is relatively sparse. Moreover, the key assumptions underpinning...
Authors
Joseph Rand, Louisa Kramer, Ben Hoen, James E. Diffendorfer, Christopher Garrity