Juvenile Lost River and shortnose sucker year-class formation, survival, and growth in Upper Klamath Lake, Oregon, and Clear Lake Reservoir, California—2018 monitoring report
Ryan J. Bart, Summer M. Burdick, Marshal S. Hoy, Carl O. Ostberg
2020, Open-File Report 2020-1064
Executive SummaryPopulations of federally endangered Lost River (Deltistes luxatus) and shortnose suckers (Chasmistes brevirostris) in Upper Klamath Lake, Oregon, and Clear Lake Reservoir (hereinafter Clear Lake), California, are experiencing long-term decreases in abundance. Upper Klamath Lake populations are decreasing not only because of adult mortality, which is relatively low, but...
Groundwater levels and generalized potentiometric surfaces, former Naval Air Warfare Center, West Trenton, New Jersey, 2018
Alex R. Fiore, Pierre J. Lacombe
2020, Open-File Report 2020-1016
Groundwater-level conditions, generalized groundwater potentiometric surfaces, and generalized flow directions at the decommissioned Naval Air Warfare Center in West Trenton, New Jersey, were evaluated for calendar year 2018. Groundwater levels measured continuously in five on-site wells and one nearby off-site well were plotted as hydrographs for January 1, 2018, through...
Fish and habitat assessment in Rock Creek, Klickitat County, southeastern Washington, 2018
Jill M. Hardiman
2020, Open-File Report 2020-1051
Executive SummaryNative steelhead (anadromous form of rainbow trout [Oncorhynchus mykiss]) and bridgelip sucker (Catostomus columbianus) were historically used by the Kah-miltpah (Rock Creek) Band for sustenance, trade, and traditional practices in Rock Creek, a tributary to the Columbia River in southeastern Washington State. Rock Creek flows south to the Columbia...
Optimization of tidal marsh management at the Cape May and Supawna Meadows National Wildlife Refuges, New Jersey, through use of structured decision making
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Brian Braudis, Heidi Hanlon
2020, Open-File Report 2020-1055
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances...
Using information from global climate models to inform policymaking—The role of the U.S. Geological Survey
Adam Terando, David Reidmiller, Steven W. Hostetler, Jeremy S. Littell, Beard Jr., Sarah R. Weiskopf, Jayne Belnap, Geoffrey S. Plumlee
2020, Open-File Report 2020-1058
This report provides an overview of model-based climate science in a risk management context. In addition, it summarizes how the U.S. Geological Survey (USGS) will continue to follow best scientific practices and when and how the results of this research will be delivered to the U.S. Department of the Interior...
Assessing the risks posed by SARS-CoV-2 in and via North American bats — Decision framing and rapid risk assessment
Michael C. Runge, Evan H. Campbell Grant, Jeremy T. H. Coleman, Jonathan D. Reichard, Samantha E.J. Gibbs, Paul M. Cryan, Kevin J. Olival, Daniel P. Walsh, David S. Blehert, M. Camille Hopkins, Jonathan M. Sleeman
2020, Open-File Report 2020-1060
The novel β-coronavirus, SARS-CoV-2, may pose a threat to North American bat populations if bats are exposed to the virus through interaction with humans, if the virus can subsequently infect bats and be transmitted among them, and if the virus causes morbidity or mortality in bats. Further, if SARS-CoV-2 became...
Dye-tracing plan for verifying the Kansas River time-of-travel model
Chantelle Davis, Bradley S. Lukasz, Madison R. May
2020, Open-File Report 2020-1039
The Kansas River provides drinking water for multiple cities in northeastern Kansas and is used for recreational purposes. Thus, improving the scientific knowledge of streamflow velocities and traveltimes will greatly aid in water-treatment plans and response to critical events and threats to water supplies. Dye-tracer studies are usually done to...
Data release of reprocessed select National Uranium Resources Evaluation program samples in Wyoming
David W. Lucke, Steven M. Smith, Jaime S. Azain, Andrew David Ingraham
2020, Open-File Report 2020-7
The U.S. Atomic Energy Commission established the National Uranium Resources Evaluation (NURE) program in 1973 to identify uranium resources throughout the United States. Part of this program focused on the collection of stream-sediment samples and subsequent geochemical analyses of these samples for uranium, in addition to 47 other elements. As...
Regional hydrostratigraphic framework of Joint Base McGuire-Dix-Lakehurst and vicinity, New Jersey, in the context of perfluoroalkyl substances contamination of groundwater and surface water
Alex R. Fiore
2020, Open-File Report 2019-1134
A study was conducted by the U.S. Geological Survey, in cooperation with the U.S. Air Force, to describe the regional hydrostratigraphy of shallow aquifers and confining units underlying Joint Base McGuire-Dix-Lakehurst (JBMDL) and vicinity, New Jersey, in the context of contamination of groundwater and surface water by per- and polyfluoroalkyl...
Observations of coastal change and numerical modeling of sediment-transport pathways at the mouth of the Columbia River and its adjacent littoral cell
Andrew W. Stevens, Edwin Elias, Stuart Pearson, George M. Kaminsky, Peter R Ruggiero, Heather M. Weiner, Guy R. Gelfenbaum
2020, Open-File Report 2020-1045
Bathymetric and topographic surveys performed annually along the coastlines of northern Oregon and southwestern Washington documented changes in beach and nearshore morphology between 2014 and 2019. Volume change analysis revealed measurable localized erosion and deposition throughout the study area, but significant net erosion at the regional scale (several kilometers [km])...
Behavior and movement of adult winter steelhead (Oncorhynchus mykiss) in the upper Cowlitz River Basin, Washington, 2017–18
Theresa L. Liedtke, Tobias J. Kock, Amy C. Hansen, Brian K. Ekstrom, Ryan G. Tomka
2020, Open-File Report 2020-1054
Executive SummaryA 2-year radiotelemetry study was completed to monitor the movements of adult winter steelhead (Oncorhynchus mykiss) in the upper Cowlitz River Basin. A reintroduction program was established to restore healthy and harvestable populations of steelhead because volitional access to the area was blocked in the 1960s after construction of...
Evaluation of the analytical methods used to determine the elemental concentrations found in the stream geochemical dataset compiled for Alaska
Bronwen Wang, Karl J. Ellefsen, Matthew Granitto, Karen D. Kelley, Susan M. Karl, George N.D. Case, Douglas C. Kreiner, Courtney L. Amundson
2020, Open-File Report 2020-1038
A recent U.S. Geological Survey data compilation of stream-sediment geochemistry for Alaska contains decades of analyses collected under numerous Federal and State programs. The compiled data were determined by various analytical methods. Some samples were reanalyzed by a different analytical method than the original, resulting in some elements having concentrations...
Sediments and the sea floor of the continental shelves and coastal waters of the United States—About the usSEABED integrated sea-floor-characterization database, built with the dbSEABED processing system
Brian J. Buczkowski, Jane A. Reid, Chris J. Jenkins
2020, Open-File Report 2020-1046
Since the second half of the 20th century, there has been an increase in scientific interest, research effort, and information gathered on the geologic sedimentary character of the continental margins of the United States. Data and information from thousands of sources have increased our scientific understanding of the character of...
Louisiana Barrier Island Comprehensive Monitoring Program: Mapping habitats in beach, dune, and intertidal environments along the Louisiana Gulf of Mexico shoreline, 2008 and 2015–16
Nicholas M. Enwright, William M. SooHoo, Jason L. Dugas, Craig P. Conzelmann, Claudia Laurenzano, Darin M. Lee, Kelly Mouton, Spencer J. Stelly
2020, Open-File Report 2020-1030
Barrier islands, headlands, and coastal shorelines provide numerous valuable ecosystem goods and services, including storm protection and erosion control for the mainland, habitat for fish and wildlife, salinity regulation in estuaries, carbon sequestration in marshes, and areas for recreation and tourism. These coastal features are dynamic environments because of their...
Red Knot (Calidris canutus) research—Preliminary results and future opportunities
David C. Kazyak, Aaron W. Aunins, Robin L. Johnson
2020, Open-File Report 2020-1050
The Red Knot, Calidris canutus, is a highly migratory shorebird with a cosmopolitan distribution. Six subspecies have been identified, two of which occur regularly in North America (C.c. rufa and C.c. roselaari). Given their long-distance migrations through many jurisdictions and conservation status, tools are needed to reliably distinguish the subspecies...
U.S. Geological Survey 2018 Kīlauea Volcano eruption response in Hawai'i—After-action review
Dee M. Williams, Vic F. Avery, Michelle L. Coombs, Dale A. Cox, Lief R. Horwitz, Sara K. McBride, Ryan J. McClymont, Seth C. Moran
2020, Open-File Report 2020-1041
The 2018 Kīlauea Volcano eruption lasted 107 days, and now ranks as the most destructive event at Kilauea since 1790, and as one of the most costly volcanic disasters in U.S. history. Multiple simultaneous hazard events unfolded, including sustained seismic activity leading to collapse at the summit of Halema'uma'u crater...
Time-series model, statistical methods, and software documentation for R–QWTREND—An R package for analyzing trends in stream-water quality
Aldo V. Vecchia, Rochelle A. Nustad
2020, Open-File Report 2020-1014
As part of a U.S. Geological Survey water-quality study started in 2018, in cooperation with the International Joint Commission, North Dakota Department of Environmental Quality, and Minnesota Pollution Control Agency, a publicly available software package called R–QWTREND was developed for analyzing trends in stream-water quality. The R–QWTREND package is a...
Assessment of rangeland ecosystem conditions in Grand Canyon-Parashant National Monument, Arizona
Michael C. Duniway, Emily C. Palmquist
2020, Open-File Report 2020-1040
Sustainability of dryland ecosystems depends on the functionality of soil-vegetation feedbacks that affect ecosystem processes, such as nutrient cycling, water capture and retention, soil erosion and deposition, and plant establishment and reproduction. Useful, common indicators can provide information on soil and site stability, hydrologic function, and biotic integrity. Evaluation of...
Ground failure triggered by shaking during the November 30, 2018, magnitude 7.1 Anchorage, Alaska, earthquake
Alex R. Grant, Randall W. Jibson, Robert C. Witter, Kate E. Allstadt, Eric M. Thompson, Adrian M. Bender
2020, Open-File Report 2020-1043
We developed an initial inventory of ground failure features from the November 30, 2018, magnitude 7.1 Anchorage earthquake. This inventory of 153 features is from ground-based observations soon after the earthquake (December 5–10) that include the presence or absence of liquefaction, landslides, and individual crack traces of lateral spreads...
Water-table elevation maps for 2008 and 2016 and water-table elevation changes in the aquifer system underlying eastern Albuquerque, New Mexico
Allison K. Flickinger, Aurelia C. Mitchell
2020, Open-File Report 2020-1036
The addition of surface water from the San Juan-Chama Drinking Water Project to the Albuquerque water supply and the reduction in per capita water use has led to decreased groundwater withdrawals. This decrease in withdrawals has resulted in rising groundwater levels since 2008 in portions of the aquifer underlying Albuquerque....
Black abalone surveys at Naval Base Ventura County, San Nicolas Island, California: 2019, annual report
Michael C. Kenner
2020, Open-File Report 2020-1047
The U.S. Geological Survey Western Ecological Research Center’s Santa Cruz Field Station, Santa Cruz, California, has been funded by the U.S. Navy to continue monitoring a suite of intertidal black abalone sites at San Nicolas Island, California. The nine rocky intertidal sites were established in 1980 by Glenn VanBlaricom (then...
2018 U.S. Geological Survey–California Geological Survey fault-imaging surveys across the Hollywood and Santa Monica Faults, Los Angeles County, California
Rufus D. Catchings, Janis Hernandez, Mark R. Goldman, Joanne H. Chan, Robert R. Sickler, Brian Olson, Coyn J. Criley
2020, Open-File Report 2020-1049
We acquired multiple types of seismic data across the Hollywood Fault in Hollywood, Calif., and the Santa Monica Fault in Beverly Hills, Calif., in May and June 2018. On the basis of our data, we infer near-surface locations of various traces of these faults.From two separate profiles across the Hollywood...
Simulation of the probabilistic plume extent for a potential replacement wastewater-infiltration lagoon, and probabilistic contributing areas for supply wells for the Town of Lac du Flambeau, Vilas County, Wisconsin
Paul F. Juckem, Michael N. Fienen
2020, Open-File Report 2020-1032
An existing two-dimensional, steady-state groundwater-flow model of the shallow groundwater-flow system of the Lac du Flambeau Reservation in Vilas County, Wisconsin, originally developed by the U.S. Geological Survey, was used to simulate the potential for wastewater from a proposed relocation of a wastewater lagoon to contaminate the Lac du Flambeau...
Prioritizing habitats based on abundance and distribution of molting waterfowl in the Teshekpuk Lake Special Area of the National Petroleum Reserve, Alaska
Paul L. Flint, Vijay Patil, Bradley Shults, Sarah J. Thompson
2020, Open-File Report 2020-1034
The National Petroleum Reserve in Alaska (NPR-A) encompasses more than 9.5 million hectares of federally managed land on the Arctic Coastal Plain of northern Alaska, where it supports a diversity of wildlife, including millions of migratory birds. Within the NPR-A, Teshekpuk Lake and the surrounding area provide important habitat for...
Report of the River Master of the Delaware River for the period December 1, 2010–November 30, 2011
Vincent J. DiFrenna, William J. Andrews, Kendra L. Russell, J. Michael Norris, Robert R. Mason, Jr.
2020, Open-File Report 2020-1020
A Decree of the Supreme Court of the United States, entered June 7, 1954, established the position of Delaware River Master within the U.S. Geological Survey. In addition, the Decree authorizes diversion of water from the Delaware River Basin and requires compensating releases from certain reservoirs, owned by New York...
