2021 assessment of the Joint Fire Science Program’s Fire Science Exchange Network
Natasha Collins, James Meldrum, Rudy Schuster, Nina Burkardt
2022, Scientific Investigations Report 2022-5052
The U.S. Geological Survey (USGS), on behalf of the Joint Fire Science Program (JFSP), conducted an evaluation of the Fire Science Exchange Network (FSEN), which connects wildland fire scientists and practitioners through 15 individual exchanges across the United States to help address complex wildfire needs and challenges. The study was...
Multiple agricultural cropland products of South Asia developed using Landsat-8 30 m and MODIS 250 m data using machine learning on the Google Earth Engine (GEE) cloud and spectral matching techniques (SMTs) in support of food and water security
Murali Krishna Gumma, Prasad Thenkabail, Pranay Panjala, Pardhasaradhi Teluguntla, Takashi Yamano, Ismail Mohammad
2022, GIScience & Remote Sensing (59) 1048-1077
Cropland products are of great importance in water and food security assessments, especially in South Asia, which is home to nearly 2 billion people and 230 million hectares of net cropland area. In South Asia, croplands account for about 90% of all human water use. Cropland extent, cropping intensity, crop...
Martian gully activity and the gully sediment transport system
Colin M. Dundas, Susan J. Conway, Glen E. Cushing
2022, Icarus (386)
The formation process for Martian gullies is a critical unknown for understanding recent climate conditions. Leading hypotheses include formation by snowmelt in a past climate, or formation via currently active CO2 frost processes. This paper presents an expanded catalog of >300 recent...
Can we accurately estimate sediment budgets on Mars?
Joel B. Sankey, Alan Kasprak, Matthew Chojnacki, Timothy N. Titus, Joshua Caster, Geoffrey DeBenedetto
2022, Earth and Planetary Science Letters (593)
Sediment budgets are fundamentally important for planetary science. However, only one primary method, based on remote sensing, is currently available for determining extraterrestrial sediment budgets. For determining sediment budgets on Earth, both in-situ and remote sensing methods are available. Despite the widespread use of the two methods, there has been...
Characterization of the bathymetry, hydrodynamics, water quality, infrastructure, and channel condition of the Old Erie Canal from DeWitt to its junction with the current Erie Canal in Verona, near Rome, New York, 2018–19
John F. Wernly
2022, Open-File Report 2021-1125
The Old Erie Canal has undergone sedimentation and aquatic growth that have restricted flow and diminished the aesthetic quality of the canal during the nearly 200 years since its construction. During 2018–2019, the U.S. Geological Survey (USGS) in cooperation with the Madison County Planning Department and the New York State...
Quantifying interdependencies in geyser eruptions at the Upper Geyser Basin, Yellowstone National Park
William F. Fagan, Anshuman Swain, Amitava Banerjee, Hamir Ranade, Peter Thompson, Phillip P. A. Staniczenko, Barrett Flynn, Jefferson Hungerford, Shaul Hurwitz
2022, Journal of Geophysical Research (127)
The Upper Geyser Basin at Yellowstone National Park (Wyoming, USA) harbors the greatest concentration of geysers worldwide. Research suggests that individual geysers are not isolated but rather are hydraulically connected in the subsurface with other geysers and thermal springs. To quantify such connections, we combined techniques from machine learning, causal...
Trout responses to stocking rates and river discharge within a southeast U.S. hydropeaking tailwater
Jonathan J. Spurgeon, Joseph Kaiser, Christy Graham, Steve Lochmann
2022, North American Journal of Fisheries Management (42) 926-938
Freshwater fish populations often exist in systems characterized by novel ecological processes resulting from human alteration. Salmonid populations embedded within coldwater sections of warmwater rivers are spatially constrained by habitat availability. Tailwater fish contend with fluctuating river discharges and density-dependent processes associated with fish stocking and exploitation. Salmonid populations sustained...
Upper-plate structure and tsunamigenic faults near the Kodiak Islands, Alaska, USA
Marlon D. Ramos, Lee M Liberty, Peter J. Haeussler, Robert John Humphreys
2022, Geosphere (18) 1474-1491
The Kodiak Islands lie near the southern terminus of the 1964 Great Alaska earthquake rupture area and within the Kodiak subduction zone segment. Both local and trans-Pacific tsunamis were generated during this devastating megathrust event, but the local tsunami source region and the causative faults are poorly understood. We provide...
Virtual special issue of recent advances on gas hydrates scientific drilling in Alaska
Ray Boswell, Koji Yamamoto, Timothy S. Collett, Norihiro Okinaka
2022, Journal of Energy & Fuels (36) 7921-7924
Gas hydrate refers to a non-stoichiometric clathrate that forms spontaneously in the natural environment whenever sufficient quantities of gases of appropriate size (most commonly methane) interact with abundant water under specific conditions of temperature and pressure. (1,2) Such...
Revisiting the 1899 earthquake series using integrative geophysical analysis in Yakutat Bay, Alaska
Maureen A. L. Walton, Sean P.S. Gulick, Peter J. Haeussler
2022, Geosphere (18) 1453-1473
A series of large earthquakes in 1899 affected southeastern Alaska near Yakutat and Disenchantment Bays. The largest of the series, a MW 8.2 event on 10 September 1899, generated an ~12-m-high tsunami and as much as 14.4 m of coseismic uplift in Yakutat Bay, the...
African penguins and localized fisheries management: Response to Butterworth and Ross-Gillespie
Bill Sydeman, Gene Hunt, E.K. Pikitch, J. Parrish, John F. Piatt, D. Boersma, L. Kaufman, D. L. Anderson, S. Thompson, Richard B. Sherley
2022, ICES Journal of Marine Science
We present a response to Butterworth and Ross-Gillespie's (2022) comment on our perspectives on how forage fish fisheries are impacting the endangered African penguin (Sphenicus demersus), and corresponding management options. Butterworth and Ross-Gillespie overstate model uncertainties and downplay the clear ecological and conservation significance of the fisheries closure experiment....
Revisiting 228Th as a tool for determining sedimentation and mass accumulation rates
Joseph Tamborski, Pinghe Cai, Meagan J. Eagle, Paul Henderson, Matthew Charette
2022, Chemical Geology (607)
The use of 228Th has seen limited application for determining sedimentation and mass accumulation rates in coastal and marine environments. Recent analytical advances have enabled rapid, precise measurements of particle-bound 228Th using a radium delayed coincidence counting system (RaDeCC). Herein we review the 228Th cycle in the marine environment and...
The North American tree-ring fire-scar network
Ellis Margolis, Christopher H. Guiterman, Raphael Chavardes, Jonathan D. Coop, Kelsey Copes-Gerbitz, Denyse A. Dawe, Donald A. Falk, James D. Johnston, Evan Larson, Hangkyo Lim, Joseph M. Marschall, Cameron E. Naficy, Adam T. Naito, Marc-André Parisien, Sean A. Parks, Jeanne Portier, Helen M. Poulos, Kevin M. Robertson, James H. Speer, Michael C. Stambaugh, Thomas W. Swetnam, Alan J. Tepley, Ichchha Thapa, Craig D. Allen, Yves Bergeron, Lori D. Daniels, Peter Z. Fule, David Gervais, Martin P. Girardin, Grant L. Harley, Jill E. Harvey, Kira M. Hoffman, Jean M. Huffman, Matthew D. Hurteau, Lane B. Johnson, Charles W. Lafon, Manuel K. Lopez, R. Stockton Maxwell, Jed Meunier, Malcolm North, Monica T. Rother, Micah R. Schmidt, Rosemary L. Sherriff, Lauren A. Stachowiak, Alan H. Taylor, Erana J. Taylor, Valerie Trouet, Miguel L. Villarreal, Larissa L. Yocom, Karen B. Arabas, Alexis H. Arizpe, Dominique Arseneault, Alicia Azpeleta Tarancon, Christopher H. Baisan, Erica Bigio, Franco Biondi, Gabriel D. Cahalan, Anthony C. Caprio, Julian Cerano-Paredes, Brandon M. Collins, Daniel C. Dey, Igor Drobyshev, Calvin A. Farris, M. Adele Fenwick, William T. Flatley, M. Lisa Floyd, Ze’ev Gedalof, Andres Holz, Lauren F. Howard, David W. Huffman, Jose Iniguez, Kurt F. Kipfmueller, Stanley G Kitchen, Keith Lombardo, Donald McKenzie, Andrew G. Merschel, Kerry L. Metlen, Jesse Minor, Christopher D. O'Connor, Laura Platt, William J. Platt, Thomas Saladyga, Amanda B. Stan, Scott L. Stephens, Colleen Sutheimer, Ramzi Touchan, Peter J. Weisberg
2022, Ecosphere (13)
Fire regimes in North American forests are diverse and modern fire records are often too short to capture important patterns, trends, feedbacks, and drivers of variability. Tree-ring fire scars provide valuable perspectives on fire regimes, including centuries-long records of fire year, season, frequency, severity, and size....
The 8 April 1860 Jour de Pâques earthquake sequence in southern Haiti
Stacey Martin, Susan E. Hough
2022, Bulletin of the Seismological Society of America (112) 2468-2486
The grave threat posed by the Enriquillo‐Plantain Garden fault zone (EPGFZ) and other fault systems on the Tiburon Peninsula in southern Haiti was highlighted by the catastrophic M 7.0 Léogâne earthquake on 12 January 2010 and again by the deadly M 7.2 Nippes earthquakes on 14 August 2021. Early Interferometric Synthetic Aperture Radar observations...
Host plant associations of Lepidoptera and implications for forest bird management at Hakalau Forest National Wildlife Refuge
Paul C. Banko, Robert W. Peck, Maya Munstermann, Kelly Jaenecke
2022, Hawaii Cooperative Studies Unit Technical Report 104
Forests dominated or co-dominated by ‘ōhi‘a (Metrosideros polymorpha) are critical to most Hawaiian forest birds, but fungal diseases causing Rapid ‘Ōhi‘a Death (ROD) threaten ‘ōhi‘a-based food webs that support native bird communities on Hawai‘i Island. Caterpillars are the most frequently consumed arthropod prey of native birds and their young and...
Morphological traits related to potential invasiveness of two subspecies of the crayfish Faxonius neglectus
Daniel D. Magoulick, K. Carter Wynne, Jessica Clark
2022, River Research and Applications (38) 1510-1518
Biological invasions have major environmental and economic impacts, and pose a serious threat to global biodiversity. Invasive crayfish species are one of the greatest threats to native crayfish biodiversity. Additionally, almost 50% of US and Canadian species are considered at risk, making crayfish one of the most imperiled taxonomic groups...
High geomagnetic field intensity recorded by anorthosite xenoliths requires a strongly powered late Mesoproterozoic geodynamo
Yiming Zhang, Nicholas L. Swanson-Hysell, Margaret Susan Avery, Roger R. Fu
2022, Proceedings of the National Academy of Sciences (119)
Acquiring high-fidelity ancient magnetic field intensity records from rocks is crucial for constraining the long-term evolution of Earth’s core. However, robust estimates of ancient field strengths are often difficult to recover due to alteration or nonideal behavior. We use rocks known as anorthosite that formed in the deep crust and...
Effects of return flows on stream water quality and availability in the Upper Colorado, Delaware, and Illinois River Basins
Scott Ator, Olivia L. Miller, David A. Saad
2022, PLOS Water (7)
Understanding effects of human water use and subsequent return flows on the availability and suitability of water for downstream uses is critical to efficient and effective watershed management. We compared spatially detailed estimates of stream chemistry within three watersheds in diverse settings to available standards to...
Germanium redistribution during weathering of Zn mine wastes: Implications for environmental mobility and recovery of a critical mineral
Sarah Jane White, Nadine M. Piatak, Ryan J. McAleer, Sarah M. Hayes, Robert R. Seal, II, Laurel A. Schaider, James P. Shine
2022, Applied Geochemistry (143)
Germanium (Ge) is a metal used in emerging energy technologies, communications, and defense, and has been deemed critical by the United States due to its essential applications and scarce supply. Germanium is recovered as a byproduct of zinc (Zn) sulfides, and mining and processing of these materials lead to waste...
Evidence for fluctuating wind in shaping an ancient Martian dune field: The Stimson formation at the Greenheugh pediment, Gale crater
Steven G. Banham, Sanjeev Gupta, David M. Rubin, Candice C. Bedford, Lauren A. Edgar, Alexander Bryk, Williiam E. Dietrich, Christopher M. Fedo, Rebecca M. E. Williams, Gwenael Caravaca, Robert Barnes, Gerhard Paar, Thomas Ortner, Ashwin R. Vasavada
2022, Journal of Geophysical Research - Planets (127)
Temporal fluctuations of wind strength and direction can influence aeolian bedform morphology and orientation, which can be encoded into the architecture of aeolian deposits. These strata represent a direct record of atmospheric processes and can be used to understand ancient Martian atmospheric processes as well as those...
Classifying mixing regimes in ponds and shallow lakes
Meredith Holgerson, David Richardson, Joseph Roith, Lauren E Bortolotti, Kerri Finlay, Daniel J. Hornbach, Kshitij Gurung, Andrew Ness, Mikkel R. Andersen, Sheel Bansal, Jacques Finlay, Jacob Cianci-Gaskill, Shannon Hahn, Benjamin Janke, Cory P. McDonald, Jorrit Mesman, Rebecca L. North, Cassandra Roberts, Jon N. Sweetman, Jackie Webb
2022, Water Resource Research (58)
Lakes are classified by thermal mixing regimes, with shallow waterbodies historically categorized as continuously mixing systems. Yet, recent studies demonstrate extended summertime stratification in ponds, underscoring the need to reassess thermal classifications for shallow waterbodies. In this study, we examined the summertime thermal dynamics of 34 ponds...
Co-occurrence models fail to infer underlying patterns of avoidance and aggregation when closure is violated
Robert Charles Lonsinger
2022, Ecology and Evolution (12)
Advances in multi-species monitoring have prompted an increase in the use of multi-species occupancy analyses to assess patterns of co-occurrence among species, even when data were collected at scales likely violating the assumption that sites were closed to changes in the occupancy state for...
Failure to achieve recommended environmental flows coincides with declining fish populations: Long-term trends in regulated and unregulated rivers
Casey A. Pennock, Lindsey Ann Bruckerhoff, Keith B. Gido, Adam L. Barkalow, Matthew J. Breen, Phaedra E. Budy, William W. Macfarlane, David L. Propst
2022, Freshwater Biology (67) 1631-1643
Dams can be operated to mimic components of the natural flow regime to minimise impacts on downstream ecosystems. However, infrastructure, societal needs, water management, and catchment runoff constrain which and when flow regime attributes can be mimicked.We compared fish assemblage responses, including native and non-native species, over 2 decades...
Exposure and effects of bioaccumulative contaminants of emerging concern in tree swallows nesting across the Laurentian Great Lakes
Christine M. Custer, Thomas W. Custer, Paul M. Dummer
2022, Report, Contaminants of emerging concern in the Great Lakes: Science to inform management practices for protecting the health and integrity of wildlife populations from adverse effects
Contaminants of emerging concern (CECs) are a loosely defined group of chemicals whose wide-spread usage or presence in the environment has occurred more recently or for which there has been relatively little research done until recently. Many of these CECs are not currently regulated. The National Toxicology Program within the...
Contaminants of emerging concern in the Great Lakes. GLRI integrated phase II group progress report
Stephanie L. Hummel, Gerald T. Ankley, Lyle Burgoon, Steven R. Corsi, Christine M. Custer, Kimani Kimbrough, Heiko L. Schoenfuss, Sarah A. Zack, Elizabeth A. Murphy
2022, Group Progress Report EPA/600/R-22/057
No abstract available....
