Watershed processes as amplifiers of climate change and the impact on the future of fine-sediment delivery in the Humboldt Bay-Eel River region, California
Jennifer Curtis
2022, Conference Paper, Friends of the Pleistocene. Pacific cell 2022. Triangle of doom V2.0 guidebook
No abstract available....
Vegetation monitoring
Karen Schlatter, Martha Gomez-Sapiens, Helen Salazar, Alejandra Calvo-Fonseca, Patrick B. Shafroth, Eduardo Gonzalez
2022, Report, Minute 323, first biennial report 2018, of monitoring of environmental flows in the Limitrophe and delta of the Colorado River
Sonoran Institute, Pronatura Noroeste, and University of Arizona conducted vegetation monitoring in riparian restoration sites and control sites along the Colorado River corridor in Mexico during the fall (end of the growing season) of 2018. The overall goal of the vegetation monitoring program was to quantify impacts of restoration actions...
Living with wildfire in Grand County, Colorado: 2021 data report
Hannah Brenkert-Smith, Abby Elizabeth McConnell, Schelly K. Olson, Adam C. Gosey, James Meldrum, Patricia A. Champ, Jamie Gomez, Christopher M. Barth, Colleen Donovan, Carolyn Wagner, Julia Goolsby
2022, Research Note RMRS-RN-94
Wildfire affects hundreds of wildland-urban interface communities each year, and yet most communities lack data reflecting the conditions before an event. This study was conducted before the devastating 2020 East Troublesome Fire1, which spread across 193,812 acres and resulted in two lives lost and 366 homes and 214 other structures...
Crowd-sourced SfM: Best practices for high resolution monitoring of coastal cliffs and bluffs
Phillipe Alan Wernette, Ian M. Miller, Andrew C. Ritchie, Jonathan A. Warrick
2022, Continental Shelf Research (245)
Structure from motion (SfM) photogrammetry is an increasingly common technique for measuring landscape change over time by deriving 3D point clouds and surface models from overlapping photographs. Traditional change detection approaches require photos that are geotagged with a differential GPS (DGPS) location, which requires expensive equipment that can limit the ability of communities and...
Section 5: Remote sensing of vegetation in the riparian corridor of the Colorado River’s delta 2013-2018
Pamela L. Nagler, Armando Barreto-Munoz, Christopher J. Jarchow, Kamel Didan
2022, Report, Minute 323: Colorado River limitrophe and delta environmental flows monitoring interim report for 2018
This remote sensing section is based on Nagler et al. (in preparation for the journal Hydrological Processes) and is a summary of the USGS preliminary findings to date. This report documents the changes in green foliage density (greenness) as measured by satellite vegetation index (VI) data and corresponding evapotranspiration (ET)...
Editorial: Fire regimes in desert ecosystems: Drivers, impacts and changes
Eddie J. B. van Etten, Matthew L. Brooks, Aaron C. Greenville, Glenda M. Wardel
2022, Frontiers in Ecology and Evolution (10)
Although not commonly associated with fire, many desert ecosystems across the globe do occasionally burn, and there is evidence that fire incidences are increasing, leading to altered fire regimes in this biome. The increased prevalence of megafires (wildfires >10,000 ha in size and typically damaging) in most global biomes is...
Defining fine-scaled population structure among continuously distributed populations
Michael S. O’Donnell, David R. Edmunds, Cameron L. Aldridge, Julie A. Heinrichs, Adrian P. Monroe, Peter S. Coates, Brian G. Prochazka, Steve E. Hanser, Lief A. Wiechman
2022, Methods in Ecology and Evolution (13) 2222-2235
Understanding wildlife population structure and connectivity can help managers identify conservation strategies, as structure can facilitate the study of population changes and habitat connectivity can provide information on dispersal and biodiversity. To facilitate the use of wildlife monitoring data for improved adaptive management, we developed a novel approach to...
Analysis of provisioning ecosystem services and perceptions of climate change for indigenous communities in the Western Himalayan Gurez Valley, Pakistan
Uzma Saeed, Muhammad Arshad, Shakeel Hayat, Toni Lyn Morelli, Muhammad Ali Nawaz
2022, Ecosystem Services (56)
Climate change is a significant threat to people living in mountainous regions. It is essential to understand how montane communities currently depend especially on the provisioning ecosystem services (ES) and the ways in which climate change will impact these services, so that people can develop relevant adaptation strategies. The ES...
Volcano, earthquake, and tsunami hazards of the Cascadia Subduction Zone
Elizabeth G. Westby, Andrew J Meigs, Chris Goldfinger
2022, Elements (18) 251-256
Subduction zones produce some of Earth’s most devastating geological events. Recent eruptions of Mount St. Helens and great earthquakes and tsunamis in Japan and Sumatra provide stark examples of the destructive power of subduction-related hazards. In the Cascadia subduction zone, large earthquakes, tsunamis, and volcanic eruptions have occurred in the...
Rural turtles: Estimating the occupancy of Northwestern Pond Turtles and non-native red-eared sliders in agricultural habitats in California's Sacramento Valley and Sacramento-San Joaquin River Delta
Jonathan P. Rose, Brian J. Halstead, Alexandria M. Fulton
2022, Northwestern Naturalist (103) 97-109
The Northwestern Pond Turtle (Actinemys marmorata; WPT) was once widespread throughout the Sacramento Valley and the Sacramento-San Joaquin River Delta. Much of its historical range has been converted into agricultural land, reducing and altering aquatic habitat and surrounding uplands. Red-eared Sliders (Trachemys scripta elegans; RES)...
Recommendations regarding water level management to achieve ecological goals in the Upper Mississippi River System
Patricia J. Heglund, Lauren Salvato, Danelle M. Larson, Aaron McFarlane
2022, Report
The Water Level Management Regional Coordinating Committee tasked an ad hoc group to employ structured decision making (SDM) practices to reach partnership agreement around a set of basic recommendations as to when, where, and why WLM should be used as an ecosystem restoration tool in the UMRS. Between April 2021...
Special issue: Landsat update 50th anniversary
Andrea Lloyd
2022, Newsletter
Landsat Updates are prepared periodically and distributed electronically to provide information about Landsat activities and related topics of interest. This update highlights some of the articles and media that the USGS has developed over the last few months as well as upcoming events....
Ground water quality sub-indicator report
Helen Zhang, Melinda L. Erickson, Dale VanStempvoort, George Zhang, John Spoelstra
2022, Report, State of the Great Lakes 2022 Technical Report
The overall status of groundwater quality in the Great Lakes Basin is assessed as “Good” (Figure 1). For the assessed fraction of the basin (84% of the total area), the groundwater quality is “Good” in 58% of the area, “Fair” in 41% of the area, and “Poor” in 1% of...
Mapping structural control through analysis of land-surface deformation for the Rialto-Colton groundwater subbasin, San Bernardino County, California, 1992–2010
Justin T. Brandt
2022, Open-File Report 2022-1030
The locations of many faults in and near the Rialto-Colton groundwater subbasin are not precisely known because the spatial density of existing lithologic and hydrologic data used to infer the locations of faults can be sparse. The U.S. Geological Survey, in cooperation with the San Bernardino Valley Municipal Water District,...
Volcanic electrification: Recent advances and future perspectives
Corrado Cimarelli, Sonja A Behnke, Kimberly Genareau, Joshua Méndez Harper, Alexa R. Van Eaton
2022, Bulletin of Volcanology (84)
The electrification of volcanic plumes has been described intermittently since at least the time of Pliny the Younger and the 79 AD eruption of Vesuvius. Although sometimes disregarded in the past as secondary effects, recent work suggests that the electrical properties of volcanic plumes reveal intrinsic and otherwise inaccessible parameters...
Subindicator: Native Prey Fish Diversity
Brian Weidel, Mark Vinson, Darryl W. Hondorp, Ralph W. Tingley III, Joseph Schmitt
2022, Report, State of the Great Lakes 2022: Technical report
No abstract available....
Seismic monitoring solutions for buildings
Mehmet Celebi, Yavuz Kaya
2022, Book chapter, Sensor technologies for civil infrastructures: Applications in structural health monitoring
This chapter introduces seismic monitoring of structural systems for buildings and begins with a historical background of this topic in the United States. After providing the historical context, the chapter reviews common seismic instrumentation issues such as utilization of data, code versus extensive instrumentation, free-field instrumentation, record synchronization requirements and...
Sub-indicator: Cladophora
David Depew, Harvey A. Bootsma, Todd Howell, Megan McCusker, Mary Anne Evans
2022, Report, State of the Great Lakes 2022 technical report
Every three years the Great Lakes Executive Committee reports on the status of the Great Lakes' ecosystem based on 9 indicators and several sub-indicators. This sub-indicator technical report supports assessment of the Nutrients and Algae Indicator by evaluating the status of Cladophora and other benthic algae that can grow...
Key observations of flexed-leg urination in the free-ranging Gray Wolf (Canis lupus)
L. David Mech, Rick McIntyre
2022, Canadian Field Naturalist (136) 10-12
Flexed-leg urination (FLU) in female Gray Wolves (Canis lupus) has been little studied in the wild. Captive females in packs do not exhibit FLU unless they are both mature and dominant to an associate female, but these characteristics have not been confirmed in free-ranging wolves. We present observations of...
Spatiotemporal changes in influenza A virus prevalence among wild waterfowl inhabiting the continental United States throughout the annual cycle
Cody M. Kent, Andrew M. Ramey, Josh T. Ackerman, Justin Bahl, Sarah N. Bevins, Andrew S. Bowman, Walter Boyce, Carol Cardona, Michael L. Casazza, Troy D. Cline, Susan E.W. De La Cruz, Jeffrey S. Hall, Nichola J. Hill, Hon S. Ip, Scott Krauss, Jennifer M. Mullinax, Jacqueline M. Nolting, Magdalena Plancarte, Rebecca L. Poulson, Jonathan A. Runstadler, Richard D. Slemons, David E. Stallknecht, Jeffery D. Sullivan, John Y. Takekawa, Richard J. Webby, Robert G. Webster, Diann J. Prosser
2022, Scientific Reports (12)
Avian influenza viruses can pose serious risks to agricultural production, human health, and wildlife. An understanding of viruses in wild reservoir species across time and space is important to informing surveillance programs, risk models, and potential population impacts for vulnerable species. Although it is recognized that...
Interspecific and local variation in Tern chick diets across nesting colonies in the Gulf of Maine
Keenan Yakola, Adrian Jordaan, Stephen Kress, Paula Shannon, Michelle Staudinger
2022, Waterbirds (44) 397-414
The Gulf of Maine, USA is home to four colonial co-nesting tern species: Least Tern (Sternula antillarum), Common Tern (Sterna hirundo), Arctic Tern (Sterna paradisaea), and the federally endangered Roseate Tern (Sterna dougallii). Over three decades of visual observations of chick provisioning were compiled for...
Nutrient restoration of a large, impounded, ultra-oligotrophic western river to recover declining native fishes
Ryan S. Hardy, Tyler J. Ross, Kevin McDonnell, Michael Quist, Charlie Holderman, Bryan S. Stevens
2022, North American Journal of Fisheries Management (42) 977-993
Declines in many fish populations in large, western rivers have been primarily attributed to the anthropogenic reduction of nutrient inputs and subsequent impacts to the food web. The largest known river fertilization program was implemented starting in 2005 on the Kootenai River in northern Idaho...
Constraints on the adjustment of tidal marshes to accelerating sea level rise
Neil Saintilan, Katya E. Kovalenko, Glenn R. Guntenspergen, Kerrylee Rogers, James C. Lynch, Donald Cahoon, Catherine E. Lovelock, Daniel A. Friess, Erica Ashe, Ken Krauss, Nicole Cormier, Tom Spencer, Janine Adams, Jacqueline Raw, Carles Ibanez, Francesco Scarton, Stijn Temmerman, Patrick Meire, Tom Maris, Karen M. Thorne, John Brazner, Gail L. Chmura, Tony Bowron, Vishmie Palepitiya Gamage, Kimberly Cressman, Charlie Endris, Christina Marconi, Pamela Marcum, Kari St. Laurent, William G. Reay, Kenneth B. Raposa, Jason A. Garwood, Nicole Kahn
2022, Science (377) 523-527
Much uncertainty exists about the vulnerability of valuable tidal marsh ecosystems to relative sea level rise. Previous assessments of resilience to sea level rise, to which marshes can adjust by sediment accretion and elevation gain, revealed contrasting results, depending on contemporary or Holocene geological data. By analyzing globally distributed contemporary...
Real-time earthquake detection and alerting behavior of PLUM ground-motion-based early warning in the United States
Jessie Kate Saunders, Sarah E. Minson, Annemarie S. Baltay Sundstrom, Julian J Bunn, Elizabeth S. Cochran, Deborah L. Kilb, Colin T O’Rourke, Mitsuyuki Hoshiba, Yuki Kodera
2022, Bulletin of the Seismological Society of America (112) 2668-2688
We examine the real‐time earthquake detection and alerting behavior of the Propagation of Local Undamped Motion (PLUM) earthquake early warning (EEW) algorithm and compare PLUM’s performance with the real‐time performance of the current source‐characterization‐based ShakeAlert System. In the United States (U.S.), PLUM uses a two‐station approach to detect earthquakes. Once...
Proceedings of the Highly Pathogenic Avian Influenza and Wild Birds Webinar Series, August 2–5, 2021
M. Camille Hopkins, J. Russ Mason, Giavanna Haddock, Andrew M. Ramey
2022, Open-File Report 2022-1066
In light of ongoing and geographically widespread highly pathogenic avian influenza (HPAI) outbreaks in wild birds throughout much of Eurasia during 2020–21, the Interagency Steering Committee for Avian Influenza Surveillance in Wild Migratory Birds disseminated an informational memorandum in January 2021 to highlight the need for enhanced surveillance and heightened...
