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Predicting hydrothermal reservoir depth from chemical geothermometers using a three-dimensional temperature model in the Great Basin, USA Predicting hydrothermal reservoir depth from chemical geothermometers using a three-dimensional temperature model in the Great Basin, USA
Recent work in the Great Basin region of the western United States has made it possible to predict the depth of hydrothermal reservoirs (i.e., the depth at which heat is accumulated prior to ascent via hydrothermal upflow) identified through geochemistry and to contextualize the spatial patterns of these reservoir depths. Chemical geothermometers use the chemical and mineral constituents...
Authors
Jacob DeAngelo, Erick R. Burns, Stanley Paul Mordensky
Investigating the influence of forest disturbance on grizzly bear habitat ecology and fitness in the Northern Continental Divide Ecosystem Investigating the influence of forest disturbance on grizzly bear habitat ecology and fitness in the Northern Continental Divide Ecosystem
No abstract available.
Authors
Milan V. Vinks, Sarah Nelson Sells, Cecily M. Costello
Intertidal ecosystem indicators in the northern Gulf of Alaska Intertidal ecosystem indicators in the northern Gulf of Alaska
No abstract available.
Authors
Heather A. Coletti, Sarah Beth Traiger, Daniel Esler, Katrin Iken, Jim Bodkin, Brenda E. Ballachey, Kimberly A. Kloecker, Brenda H. Konar, Mandy Lindeberg, Daniel Monson, Brian H. Robinson, Robert M. Suryan, Ben P. Weitzman
A regional synthesis of climate data to inform the 2025 State Wildlife Action Plans in the Northeast U.S. A regional synthesis of climate data to inform the 2025 State Wildlife Action Plans in the Northeast U.S.
The State Wildlife Action Plans (SWAPs) are proactive planning documents, known as “comprehensive wildlife conservation strategies,” that assess the health of each state’s wildlife and habitats, identify current management and conservation challenges, and outline needed actions to conserve natural resources over the long term. SWAPs are revised every 10 years, with the last revision in...
Authors
Michelle Staudinger, Ambarish Karmalkar, Karen Terwilliger, Kevin Burgio, Alice Lubeck, Hanusia Higgins, Tracy Rice, Toni Lyn Morelli, Anthony D’Amato
USGS Activities in Support of 2020–2021 Lake Michigan CSMI USGS Activities in Support of 2020–2021 Lake Michigan CSMI
No abstract available.
Authors
David B. Bunnell, Richard T. Kraus, Darryl W. Hondorp, Yu-Chun Kao
Management of tidal wetland restoration and fish in the upper San Francisco Estuary: Where are we now and how do we move forward? A summary of the 2023 Wetland Science Symposium Management of tidal wetland restoration and fish in the upper San Francisco Estuary: Where are we now and how do we move forward? A summary of the 2023 Wetland Science Symposium
Tidal wetland restoration to benefit at-risk fish species in the Sacramento-San Joaquin Delta and Suisun marsh has gained momentum over the past decade, much of it in response to mitigation requirements for the State Water Project and Central Valley Project. In fall 2023, the Department of Water Resources and the State Water Contractors convened a symposium, entitled Delta-Suisun Tidal...
Authors
Rosemary Hartman, Matthew J. Young, Stacy Sherman, David E. Ayers, Elizabeth Brusati, Dylan Chapple, Emma Mendonsa, Edward Hard, Louise Conrad
Amphibian and reptile conservation in the United States of America Amphibian and reptile conservation in the United States of America
Wildlife stewardship is of utmost importance in the United States, where management for sustainable natural resources is extended to native species including amphibians and reptiles. The U.S. wildlife conservation framework is a nested system of authorities regulating species and habitats, science-based management and policy decisions, and adaptive management as new knowledge is applied...
Authors
Deanna H. Olson, David S. Pilliod
Colorado Delta riparian plant health improvement Colorado Delta riparian plant health improvement
The riparian corridor along Mexico’s arid Colorado River Delta is being affected by reduction in river flow and increases in heat, drought, human infrastructure, and disturbances. These disturbances can change riparian land cover by limiting water availability for riparian plant species, increasing fire intensity and frequency, and increasing soil and water salinities. In response to...
Authors
Pamela L. Nagler
A journey to the center of the USGS National Strong-motion Project processing and beyond A journey to the center of the USGS National Strong-motion Project processing and beyond
The United States Geological Survey (USGS) National Strong Motion Project (NSMP) has the primary U.S. government responsibility to acquire, process, and disseminate significant strong-motion earthquake ground motion records measured at surficial free-field stations, structures (buildings, dams, and bridges, and geotechnical arrays to the earthquake engineering community. As a result of...
Authors
Lisa Sue Schleicher, Jamison Haase Steidl, Eric M. Thompson, Alan K. Yong, Jeff Brody, James Luke Blair, Mike Hearne, Brad T. Aagaard, Susan E. Hough, Han Shao, Garet Huddleston, Keira Heilpern, Kristin Marano, Gabe Ferragut, B. Worden, David J. Wald, Jason De Cristofaro, Adria Ruth McClain, B. Dunham, D. Nget, J. Aragon, J. Gomez, V. Amador, V. Carrasco Rodriquez, E. E. Luna, D. Cembalski, D. Childs, J. Smith, D. Croker, L. Gee
Dust management at an active construction area impacts monarch distribution Dust management at an active construction area impacts monarch distribution
The North American population of monarch butterflies (Danaus plexippus) is experiencing dramatic declines, necessitating investigations into challenges facing this species that can be resolved through management actions. For instance, dust made airborne by heavy equipment driving along a dirt road can settle on roadside vegetation, resulting in reduced use by monarchs. Dust accumulation...
Authors
Amy W. O'Donnell, Jeffery D. Sullivan, Carl R. Callahan, Peter C. McGowan, Diann J. Prosser
Salmon data mobilization Salmon data mobilization
Despite substantial research and conservation efforts, many salmon populations are in decline. Globally, salmon research is not delivering effective decision support products to help managers apply research insights as informed management actions. Data Mobilization (DM) is a key step towards building the wider evidence base required to deliver accountable, reliable, and usable scientific...
Authors
Graeme Diack, Tom Bird, Scott A. Akenhead, Jennifer M. Bayer, Deirdre Brophy, Colin Bull, Elvira de Eyto, Nora Hanson, Brett T. Johnson, Matt Jones, Alexis Knight, Marie Nevoux, Tim van der Strap, Alan Walker
Models no not provide proof: An example of model ambiguity and application of isotopic data in a mine pit lake Models no not provide proof: An example of model ambiguity and application of isotopic data in a mine pit lake
Geochemical and hydrologic models of pit lakes are commonly used in environmental regulatory decisions to predict future water quality and hydrologic conditions and to understand existing pit lakes. Models may be used to quantify sulfide oxidation, predict thermal/chemical stratification and mixing, and better understand connections between pit lakes and aquifers. One concern related to...
Authors
Connor P. Newman