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Rebecca Jane Frus (Former Employee)

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Summary of Responses at the 2021 Colorado River Basin Science and Technology Meetings Summary of Responses at the 2021 Colorado River Basin Science and Technology Meetings

In June and July 2021, the Colorado River Basin Actionable and Strategic Integrated Science and Technology (ASIST) pilot team held a series of 12 Science and Technology Collaboration meetings with U.S. Geological Survey science staff to discuss complex integrated science challenges and solutions related to drought in the Colorado River Basin. These meetings were structured to explore...
By
Fort Collins Science Center

Annotated bibliography of 64 papers reviewed and summarized in a conceptual framework to assess post-wildfire water quality Annotated bibliography of 64 papers reviewed and summarized in a conceptual framework to assess post-wildfire water quality

We conducted a scoping review to assess the current state of the science and knowledge gaps of post-wildfire water quality. A scoping review is a rapid, systematic approach that is more superficial compared to traditional reviews, and can be considered a preliminary study that informs future in-depth reviews, meta-analyses, or modelling efforts (Robinne et al., 2020). We developed a...
By
Water Resources Mission Area

Bibliography of hydrological and ecological research in the Great Basin terminal lakes, USA Bibliography of hydrological and ecological research in the Great Basin terminal lakes, USA

This database contains literature citations and associated abstracts pertaining to the ecology and hydrology of terminal lakes in the Great Basin region of the western United States. This is not meant to be an exhaustive list, nor did we perform a systematic meta-analysis; rather, literature records were included based on topical relevance.
By
Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada

The hydrograph for well ER-5-3-2 in Frenchman Flat, southern Nevada, has previously unexplained water-level fluctuations. Four, three-dimensional, groundwater models (MODFLOW 6) were developed to evaluate potential stresses and hydrologic conditions affecting the well ER-5-3-2 hydrograph. Four model scenarios were developed that simulated: (1) wellbore leakage without recharge, (2)...
By
Nevada Water Science Center

A snapshot of stakeholder science needs related to drought in the Colorado River Basin A snapshot of stakeholder science needs related to drought in the Colorado River Basin

Stakeholder science needs were determined by reviewing more than 200 recently published literature items and web pages from Colorado River Basin (CRB) stakeholders. These stakeholder communications were used to characterize over 400 stakeholder science needs by reviewing their priorities, strategies, issues, missions, and concerns related to drought in the CRB. Members of the CRB...
By
Arizona Water Science Center, California Water Science Center, Colorado Water Science Center, Fort Collins Science Center, Geology, Geophysics, and Geochemistry Science Center, Nevada Water Science Center, New Mexico Water Science Center, Southwest Biological Science Center, Utah Water Science Center, Wyoming-Montana Water Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

Data Release for The Hydraulic-Parameter Database and Integrated Borehole Analyses, Pahute Mesa and Vicinity, Nevada Data Release for The Hydraulic-Parameter Database and Integrated Borehole Analyses, Pahute Mesa and Vicinity, Nevada

This data release consists of a ZIP file that includes: two Excel workbooks, detailed metadata files, and data directories. The Hydraulic Properties Database (HPD; Table-of-AQtests.xlsm) is an interactive Excel workbook that catalogues single-well, aquifer-test results at Pahute Mesa and vicinity. Results from 1,459 single-well, aquifer-test analyses are uniquely identified to 360 tested...
By
Nevada Water Science Center

Supplemental data from: A Process to Estimate Net Infiltration using a Site-Scale Water-Budget Approach, Rainier Mesa, Nevada National Security Site, 2002-05 Supplemental data from: A Process to Estimate Net Infiltration using a Site-Scale Water-Budget Approach, Rainier Mesa, Nevada National Security Site, 2002-05

This USGS data release represents tabular data for a process to estimate net infiltration using a site-scale water-budget approach, Rainier Mesa, Nevada National Security Site, 2002-05. This dataset consists of the following: (1) Measured and corrected precipitation data from A12 weather station, Rainier Mesa, Nevada National Security Site, July 1, 2002 to June 30, 2005. (2) Inventory of...
By
Nevada Water Science Center
Ecosystems Mission Area Overview slide deck
Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Slides describing the USGS Ecosystems Mission Area presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Slides describing the USGS Ecosystems Mission Area presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Water Mission Area Integrated Water Availability Assessments Overview slide deck
Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Slides describing the USGS Water Mission Area's Integrated Water Availability Assessment Program presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Slides describing the USGS Water Mission Area's Integrated Water Availability Assessment Program presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Oregon geographic area on 11/8/2022-11/9/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Oregon geographic area on 11/8/2022-11/9/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Nevada California geographic area on 10/18/2022-10/19/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Nevada California geographic area on 10/18/2022-10/19/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Great Salt Lake geographic area on 11/1/2022-11/2/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Great Salt Lake geographic area on 11/1/2022-11/2/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Words of different text sizes and colors arranged into a cloud-like shape
Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape
Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape
Words of different text sizes and colors arranged into a cloud-like shape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

This word cloud displays answers to the question: what are the key mechanisms that interconnect the Great Basin landscape? The exercise was conducted at a stakeholder workshop in 2022. Answers that were selected by many participants have the largest text size and are more central in the cloud. The most popular answers were: climate, water, birds, fire and drought.

By
Saline Lake Ecosystems Integrated Water Availability Assessment
Words of different text sizes and colors arranged into a cloud-like shape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

This word cloud displays answers to the question: what are the key mechanisms that interconnect the Great Basin landscape? The exercise was conducted at a stakeholder workshop in 2022. Answers that were selected by many participants have the largest text size and are more central in the cloud. The most popular answers were: climate, water, birds, fire and drought.

By
Saline Lake Ecosystems Integrated Water Availability Assessment
Five rectangles in different colors contain text stating the five primary thematic questions
Saline Lakes Project Primary Thematic Questions
Saline Lakes Project Primary Thematic Questions
Five rectangles in different colors contain text stating the five primary thematic questions

Saline Lakes Project Primary Thematic Questions

Saline Lakes Project Primary Thematic Questions

The Saline Lakes Team identified five primary thematic questions around environmental data collection activities or management needs: 1) How much water is there and how is it used throughout the watershed? 2) What are the hydrologic vulnerabilities of each saline lake? 3) What are the primary resources being utilized by representative taxa at each lake?

Five rectangles in different colors contain text stating the five primary thematic questions

Saline Lakes Project Primary Thematic Questions

Saline Lakes Project Primary Thematic Questions

The Saline Lakes Team identified five primary thematic questions around environmental data collection activities or management needs: 1) How much water is there and how is it used throughout the watershed? 2) What are the hydrologic vulnerabilities of each saline lake? 3) What are the primary resources being utilized by representative taxa at each lake?

U.S. Geological Survey Colorado River Basin science and technology collaboration meetings on drought (2021)—Synthesis of findings U.S. Geological Survey Colorado River Basin science and technology collaboration meetings on drought (2021)—Synthesis of findings

Ongoing, prolonged, and severe drought and water overuse during the first two decades of the 21st century have reduced water supplies of the Colorado River Basin, with effects cascading to ecosystems and human communities throughout the basin. In June and July 2021, the U.S. Geological Survey (USGS) Colorado River Basin Actionable and Strategic Integrated Science and Technology...
Authors
Adrian Pierre-Frederic Monroe, Jason S. Alexander, Eric D. Anderson, Patrick J. Anderson, William J. Andrews, Jessica M. Driscoll, Rebecca J. Frus, Joseph A. Hevesi, Daniel K. Jones, Kathryn A. Thomas, Anne C. Tillery, Alicia Torregrosa, Katharine G. Dahm
By
Ecosystems Mission Area, Fort Collins Science Center

Imperiled Great Basin terminal lakes: Synthesizing ecological and hydrological science gaps and research needs for waterbird conservation Imperiled Great Basin terminal lakes: Synthesizing ecological and hydrological science gaps and research needs for waterbird conservation

Terminal lakes are declining globally because of human water demands, drought, and climate change. Through literature synthesis and feedback from the resource and conservation community, we review the state of research for terminal lakes in the Great Basin of the United States, which support millions of waterbirds annually, to prioritize ecological and hydrologic information needs. From...
Authors
Garth Herring, Ashley L. Whipple, Cameron L. Aldridge, Bryce Alan Pulver, Collin A. Eagles-Smith, Rich D. Inman, Elliott Matchett, Adrian P. Monroe, Elizabeth Kari Orning, Benjamin Seward Robb, Jessica E. Shyvers, Bryan C. Tarbox, Nathan D. Van Schmidt, Cassandra Smith, Matthew J. Holloran, Cory T. Overton, David O'Leary, Michael L. Casazza, Rebecca J. Frus
By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps

Wildfire substantially alters aquatic ecosystems by inducing moderate to catastrophic physical and chemical changes. However, the relations of environmental and watershed variables that drive those effects are complex. We present a Driver-Factor-Stressor-Effect (DFSE) conceptual framework to assess the current state of the science related to post-wildfire water-quality. We reviewed 64...
Authors
Sarah M. Elliott, Michelle I. Hornberger, Donald O. Rosenberry, Rebecca J. Frus, Richard M. Webb
By
Water Resources Mission Area, Nevada Water Science Center, Upper Midwest Water Science Center

Integrated science strategy for assessing and monitoring water availability and migratory birds for terminal lakes across the Great Basin, United States Integrated science strategy for assessing and monitoring water availability and migratory birds for terminal lakes across the Great Basin, United States

Executive SummaryIn 2022, the U.S. Geological Survey (USGS) established the Saline Lake Ecosystems Integrated Water Availability Assessment (IWAAs) to monitor and assess the hydrology of terminal lakes in the Great Basin and the migratory birds and other wildlife dependent on those habitats. Scientists from across the USGS (with specialties in water quantity, water quality, limnology...
Authors
Rebecca J. Frus, Cameron L. Aldridge, Michael L. Casazza, Collin Eagles-Smith, Garth Herring, Scott A. Hynek, Daniel K. Jones, Susan K Kemp, Thomas M. Marston, Christopher M. Morris, Ramon C. Naranjo, Cee Nell, David R. O'Leary, Cory T. Overton, Bryce A. Pulver, Brian E. Reichert, Christine A. Rumsey, Rudy M. Schuster, Cassandra D. Smith
By
Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

Evaluation of potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, southern Nevada Evaluation of potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, southern Nevada

Well ER-5-3-2 is part of a well network designed to monitor long-term water levels and radionuclide concentrations downgradient from underground nuclear tests that occurred in Frenchman Flat, an area of the U.S. Department of Energy Nevada National Security Site in southern Nevada. Interpretation of monitoring records for well ER-5-3-2 was confounded by previously unexplained water-level...
Authors
Tracie R. Jackson, Rebecca J. Frus
By
Water Resources Mission Area, Nevada Water Science Center

Colorado River Basin Actionable and Strategic Integrated Science and Technology Project—Science strategy Colorado River Basin Actionable and Strategic Integrated Science and Technology Project—Science strategy

The U.S. Geological Survey (USGS) conducts a wide variety of science that improves understanding of droughts and their effects on ecosystems and society. This work includes data collection and monitoring of aquatic and terrestrial systems; assessment and analysis of patterns, trends, drivers, and impacts of drought; development and application of predictive models; and delivery of...
Authors
Katharine G. Dahm, Todd Hawbaker, Rebecca J. Frus, Adrian P. Monroe, John B. Bradford, William J. Andrews, Alicia Torregrosa, Eric D. Anderson, David Dean, Sharon L. Qi
By
Geosciences and Environmental Change Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

Addressing stakeholder science needs for integrated drought science in the Colorado River Basin Addressing stakeholder science needs for integrated drought science in the Colorado River Basin

Stakeholders need scientific data, analysis, and predictions of how drought the will impact the Colorado River Basin in a format that is continuously updated, intuitive, and easily accessible. The Colorado River Basin Actionable and Strategic Integrated Science and Technology Pilot Project was formed to demonstrate the effectiveness of addressing complex problems through stakeholder...
Authors
Anne C. Tillery, Sally House, Rebecca J. Frus, Sharon L. Qi, Daniel K. Jones, William J. Andrews
By
Ecosystems Mission Area, Water Resources Mission Area, Arizona Water Science Center, California Water Science Center, Colorado Water Science Center, Fort Collins Science Center, Geology, Geophysics, and Geochemistry Science Center, Nevada Water Science Center, New Mexico Water Science Center, Southwest Biological Science Center, Utah Water Science Center, Washington Water Science Center, Wyoming-Montana Water Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

A comparison of groundwater sampling technologies, including passive diffusion sampling, for radionuclide contamination A comparison of groundwater sampling technologies, including passive diffusion sampling, for radionuclide contamination

Using traditional high-flow purge methods for long-term water quality monitoring of deep groundwater wells can be expensive, affect contaminant migration, and produce excessive volumes of discharge water that can be difficult to manage. The use of low-flow pumping methods and depth discrete bailers (DDBs) can reduce the cost of sampling deep groundwater wells. In general, using different...
Authors
Rebecca J. Frus, Thomas Imbrigiotta
By
Water Resources Mission Area, Nevada Water Science Center, New Jersey Water Science Center

Documentation of single-well aquifer tests and integrated borehole analyses, Pahute Mesa and Vicinity, Nevada Documentation of single-well aquifer tests and integrated borehole analyses, Pahute Mesa and Vicinity, Nevada

Single-well aquifer testing has been carried out at Pahute Mesa in southern Nevada since 1962. These tests include single-well pumping and slug tests to estimate geologic formation hydraulic properties. Initially, aquifer tests focused on identifying low-permeability rocks suitable for testing large-yield nuclear devices, whereas later hydrologic investigations focused on potential...
Authors
Rebecca J. Frus, Keith J. Halford
By
Water Resources Mission Area, Nevada Water Science Center
Saline Lake Ecosystems IWAA Stakeholder Workshop Meeting Materials

Saline Lake Ecosystems IWAA Stakeholder Workshop Meeting Materials

In fall 2022, the Saline Lake Ecosystems IWAA Team held three two-day virtual workshops to identify stakeholder science priorities for the Great Basin...

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Science and Products

Summary of Responses at the 2021 Colorado River Basin Science and Technology Meetings Summary of Responses at the 2021 Colorado River Basin Science and Technology Meetings

In June and July 2021, the Colorado River Basin Actionable and Strategic Integrated Science and Technology (ASIST) pilot team held a series of 12 Science and Technology Collaboration meetings with U.S. Geological Survey science staff to discuss complex integrated science challenges and solutions related to drought in the Colorado River Basin. These meetings were structured to explore...
By
Fort Collins Science Center

Annotated bibliography of 64 papers reviewed and summarized in a conceptual framework to assess post-wildfire water quality Annotated bibliography of 64 papers reviewed and summarized in a conceptual framework to assess post-wildfire water quality

We conducted a scoping review to assess the current state of the science and knowledge gaps of post-wildfire water quality. A scoping review is a rapid, systematic approach that is more superficial compared to traditional reviews, and can be considered a preliminary study that informs future in-depth reviews, meta-analyses, or modelling efforts (Robinne et al., 2020). We developed a...
By
Water Resources Mission Area

Bibliography of hydrological and ecological research in the Great Basin terminal lakes, USA Bibliography of hydrological and ecological research in the Great Basin terminal lakes, USA

This database contains literature citations and associated abstracts pertaining to the ecology and hydrology of terminal lakes in the Great Basin region of the western United States. This is not meant to be an exhaustive list, nor did we perform a systematic meta-analysis; rather, literature records were included based on topical relevance.
By
Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada MODFLOW6 models used to evaluate potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, Southern Nevada

The hydrograph for well ER-5-3-2 in Frenchman Flat, southern Nevada, has previously unexplained water-level fluctuations. Four, three-dimensional, groundwater models (MODFLOW 6) were developed to evaluate potential stresses and hydrologic conditions affecting the well ER-5-3-2 hydrograph. Four model scenarios were developed that simulated: (1) wellbore leakage without recharge, (2)...
By
Nevada Water Science Center

A snapshot of stakeholder science needs related to drought in the Colorado River Basin A snapshot of stakeholder science needs related to drought in the Colorado River Basin

Stakeholder science needs were determined by reviewing more than 200 recently published literature items and web pages from Colorado River Basin (CRB) stakeholders. These stakeholder communications were used to characterize over 400 stakeholder science needs by reviewing their priorities, strategies, issues, missions, and concerns related to drought in the CRB. Members of the CRB...
By
Arizona Water Science Center, California Water Science Center, Colorado Water Science Center, Fort Collins Science Center, Geology, Geophysics, and Geochemistry Science Center, Nevada Water Science Center, New Mexico Water Science Center, Southwest Biological Science Center, Utah Water Science Center, Wyoming-Montana Water Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

Data Release for The Hydraulic-Parameter Database and Integrated Borehole Analyses, Pahute Mesa and Vicinity, Nevada Data Release for The Hydraulic-Parameter Database and Integrated Borehole Analyses, Pahute Mesa and Vicinity, Nevada

This data release consists of a ZIP file that includes: two Excel workbooks, detailed metadata files, and data directories. The Hydraulic Properties Database (HPD; Table-of-AQtests.xlsm) is an interactive Excel workbook that catalogues single-well, aquifer-test results at Pahute Mesa and vicinity. Results from 1,459 single-well, aquifer-test analyses are uniquely identified to 360 tested...
By
Nevada Water Science Center

Supplemental data from: A Process to Estimate Net Infiltration using a Site-Scale Water-Budget Approach, Rainier Mesa, Nevada National Security Site, 2002-05 Supplemental data from: A Process to Estimate Net Infiltration using a Site-Scale Water-Budget Approach, Rainier Mesa, Nevada National Security Site, 2002-05

This USGS data release represents tabular data for a process to estimate net infiltration using a site-scale water-budget approach, Rainier Mesa, Nevada National Security Site, 2002-05. This dataset consists of the following: (1) Measured and corrected precipitation data from A12 weather station, Rainier Mesa, Nevada National Security Site, July 1, 2002 to June 30, 2005. (2) Inventory of...
By
Nevada Water Science Center
Ecosystems Mission Area Overview slide deck
Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Slides describing the USGS Ecosystems Mission Area presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Ecosystems Mission Area Overview slide deck

Slides describing the USGS Ecosystems Mission Area presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Water Mission Area Integrated Water Availability Assessments Overview slide deck
Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Slides describing the USGS Water Mission Area's Integrated Water Availability Assessment Program presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Water Mission Area Integrated Water Availability Assessments Overview slide deck

Slides describing the USGS Water Mission Area's Integrated Water Availability Assessment Program presented at the Fall 2022 Saline Lakes Stakeholder Workshops for the Nevada California, Great Salt Lake, and Oregon geographic areas.

By
Ecosystems, Water Resources, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC)
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Oregon geographic area on 11/8/2022-11/9/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

Oregon Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/8/2022-11/09/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Oregon geographic area on 11/8/2022-11/9/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Nevada California geographic area on 10/18/2022-10/19/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

Nevada California Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 10/18/2022-10/19/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Nevada California geographic area on 10/18/2022-10/19/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Great Salt Lake geographic area on 11/1/2022-11/2/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

Great Salt Lake Saline Lake Ecosystems IWAA Workshop, Meeting Summary, 11/1/2022-11/2/2022

High-level meeting summaries of the state-local stakeholder workshop held for the Great Salt Lake geographic area on 11/1/2022-11/2/2022

By
Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment
Words of different text sizes and colors arranged into a cloud-like shape
Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape
Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape
Words of different text sizes and colors arranged into a cloud-like shape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

This word cloud displays answers to the question: what are the key mechanisms that interconnect the Great Basin landscape? The exercise was conducted at a stakeholder workshop in 2022. Answers that were selected by many participants have the largest text size and are more central in the cloud. The most popular answers were: climate, water, birds, fire and drought.

By
Saline Lake Ecosystems Integrated Water Availability Assessment
Words of different text sizes and colors arranged into a cloud-like shape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

Word Cloud: Key Mechanisms that Interconnect the Great Basin Landscape

This word cloud displays answers to the question: what are the key mechanisms that interconnect the Great Basin landscape? The exercise was conducted at a stakeholder workshop in 2022. Answers that were selected by many participants have the largest text size and are more central in the cloud. The most popular answers were: climate, water, birds, fire and drought.

By
Saline Lake Ecosystems Integrated Water Availability Assessment
Five rectangles in different colors contain text stating the five primary thematic questions
Saline Lakes Project Primary Thematic Questions
Saline Lakes Project Primary Thematic Questions
Five rectangles in different colors contain text stating the five primary thematic questions

Saline Lakes Project Primary Thematic Questions

Saline Lakes Project Primary Thematic Questions

The Saline Lakes Team identified five primary thematic questions around environmental data collection activities or management needs: 1) How much water is there and how is it used throughout the watershed? 2) What are the hydrologic vulnerabilities of each saline lake? 3) What are the primary resources being utilized by representative taxa at each lake?

Five rectangles in different colors contain text stating the five primary thematic questions

Saline Lakes Project Primary Thematic Questions

Saline Lakes Project Primary Thematic Questions

The Saline Lakes Team identified five primary thematic questions around environmental data collection activities or management needs: 1) How much water is there and how is it used throughout the watershed? 2) What are the hydrologic vulnerabilities of each saline lake? 3) What are the primary resources being utilized by representative taxa at each lake?

U.S. Geological Survey Colorado River Basin science and technology collaboration meetings on drought (2021)—Synthesis of findings U.S. Geological Survey Colorado River Basin science and technology collaboration meetings on drought (2021)—Synthesis of findings

Ongoing, prolonged, and severe drought and water overuse during the first two decades of the 21st century have reduced water supplies of the Colorado River Basin, with effects cascading to ecosystems and human communities throughout the basin. In June and July 2021, the U.S. Geological Survey (USGS) Colorado River Basin Actionable and Strategic Integrated Science and Technology...
Authors
Adrian Pierre-Frederic Monroe, Jason S. Alexander, Eric D. Anderson, Patrick J. Anderson, William J. Andrews, Jessica M. Driscoll, Rebecca J. Frus, Joseph A. Hevesi, Daniel K. Jones, Kathryn A. Thomas, Anne C. Tillery, Alicia Torregrosa, Katharine G. Dahm
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Ecosystems Mission Area, Fort Collins Science Center

Imperiled Great Basin terminal lakes: Synthesizing ecological and hydrological science gaps and research needs for waterbird conservation Imperiled Great Basin terminal lakes: Synthesizing ecological and hydrological science gaps and research needs for waterbird conservation

Terminal lakes are declining globally because of human water demands, drought, and climate change. Through literature synthesis and feedback from the resource and conservation community, we review the state of research for terminal lakes in the Great Basin of the United States, which support millions of waterbirds annually, to prioritize ecological and hydrologic information needs. From...
Authors
Garth Herring, Ashley L. Whipple, Cameron L. Aldridge, Bryce Alan Pulver, Collin A. Eagles-Smith, Rich D. Inman, Elliott Matchett, Adrian P. Monroe, Elizabeth Kari Orning, Benjamin Seward Robb, Jessica E. Shyvers, Bryan C. Tarbox, Nathan D. Van Schmidt, Cassandra Smith, Matthew J. Holloran, Cory T. Overton, David O'Leary, Michael L. Casazza, Rebecca J. Frus
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Ecosystems Mission Area, Water Resources Mission Area, Species Management Research Program, Water Availability and Use Science Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps

Wildfire substantially alters aquatic ecosystems by inducing moderate to catastrophic physical and chemical changes. However, the relations of environmental and watershed variables that drive those effects are complex. We present a Driver-Factor-Stressor-Effect (DFSE) conceptual framework to assess the current state of the science related to post-wildfire water-quality. We reviewed 64...
Authors
Sarah M. Elliott, Michelle I. Hornberger, Donald O. Rosenberry, Rebecca J. Frus, Richard M. Webb
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Water Resources Mission Area, Nevada Water Science Center, Upper Midwest Water Science Center

Integrated science strategy for assessing and monitoring water availability and migratory birds for terminal lakes across the Great Basin, United States Integrated science strategy for assessing and monitoring water availability and migratory birds for terminal lakes across the Great Basin, United States

Executive SummaryIn 2022, the U.S. Geological Survey (USGS) established the Saline Lake Ecosystems Integrated Water Availability Assessment (IWAAs) to monitor and assess the hydrology of terminal lakes in the Great Basin and the migratory birds and other wildlife dependent on those habitats. Scientists from across the USGS (with specialties in water quantity, water quality, limnology...
Authors
Rebecca J. Frus, Cameron L. Aldridge, Michael L. Casazza, Collin Eagles-Smith, Garth Herring, Scott A. Hynek, Daniel K. Jones, Susan K Kemp, Thomas M. Marston, Christopher M. Morris, Ramon C. Naranjo, Cee Nell, David R. O'Leary, Cory T. Overton, Bryce A. Pulver, Brian E. Reichert, Christine A. Rumsey, Rudy M. Schuster, Cassandra D. Smith
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Ecosystems Mission Area, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center, Nevada Water Science Center, Oregon Water Science Center, Utah Water Science Center, Western Ecological Research Center (WERC), Saline Lake Ecosystems Integrated Water Availability Assessment

Evaluation of potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, southern Nevada Evaluation of potential stresses and hydrologic conditions driving water-level fluctuations in well ER-5-3-2, Frenchman Flat, southern Nevada

Well ER-5-3-2 is part of a well network designed to monitor long-term water levels and radionuclide concentrations downgradient from underground nuclear tests that occurred in Frenchman Flat, an area of the U.S. Department of Energy Nevada National Security Site in southern Nevada. Interpretation of monitoring records for well ER-5-3-2 was confounded by previously unexplained water-level...
Authors
Tracie R. Jackson, Rebecca J. Frus
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Water Resources Mission Area, Nevada Water Science Center

Colorado River Basin Actionable and Strategic Integrated Science and Technology Project—Science strategy Colorado River Basin Actionable and Strategic Integrated Science and Technology Project—Science strategy

The U.S. Geological Survey (USGS) conducts a wide variety of science that improves understanding of droughts and their effects on ecosystems and society. This work includes data collection and monitoring of aquatic and terrestrial systems; assessment and analysis of patterns, trends, drivers, and impacts of drought; development and application of predictive models; and delivery of...
Authors
Katharine G. Dahm, Todd Hawbaker, Rebecca J. Frus, Adrian P. Monroe, John B. Bradford, William J. Andrews, Alicia Torregrosa, Eric D. Anderson, David Dean, Sharon L. Qi
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Geosciences and Environmental Change Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

Addressing stakeholder science needs for integrated drought science in the Colorado River Basin Addressing stakeholder science needs for integrated drought science in the Colorado River Basin

Stakeholders need scientific data, analysis, and predictions of how drought the will impact the Colorado River Basin in a format that is continuously updated, intuitive, and easily accessible. The Colorado River Basin Actionable and Strategic Integrated Science and Technology Pilot Project was formed to demonstrate the effectiveness of addressing complex problems through stakeholder...
Authors
Anne C. Tillery, Sally House, Rebecca J. Frus, Sharon L. Qi, Daniel K. Jones, William J. Andrews
By
Ecosystems Mission Area, Water Resources Mission Area, Arizona Water Science Center, California Water Science Center, Colorado Water Science Center, Fort Collins Science Center, Geology, Geophysics, and Geochemistry Science Center, Nevada Water Science Center, New Mexico Water Science Center, Southwest Biological Science Center, Utah Water Science Center, Washington Water Science Center, Wyoming-Montana Water Science Center, Colorado River Basin: Actionable and Strategic Integrated Science and Technology

A comparison of groundwater sampling technologies, including passive diffusion sampling, for radionuclide contamination A comparison of groundwater sampling technologies, including passive diffusion sampling, for radionuclide contamination

Using traditional high-flow purge methods for long-term water quality monitoring of deep groundwater wells can be expensive, affect contaminant migration, and produce excessive volumes of discharge water that can be difficult to manage. The use of low-flow pumping methods and depth discrete bailers (DDBs) can reduce the cost of sampling deep groundwater wells. In general, using different...
Authors
Rebecca J. Frus, Thomas Imbrigiotta
By
Water Resources Mission Area, Nevada Water Science Center, New Jersey Water Science Center

Documentation of single-well aquifer tests and integrated borehole analyses, Pahute Mesa and Vicinity, Nevada Documentation of single-well aquifer tests and integrated borehole analyses, Pahute Mesa and Vicinity, Nevada

Single-well aquifer testing has been carried out at Pahute Mesa in southern Nevada since 1962. These tests include single-well pumping and slug tests to estimate geologic formation hydraulic properties. Initially, aquifer tests focused on identifying low-permeability rocks suitable for testing large-yield nuclear devices, whereas later hydrologic investigations focused on potential...
Authors
Rebecca J. Frus, Keith J. Halford
By
Water Resources Mission Area, Nevada Water Science Center
Saline Lake Ecosystems IWAA Stakeholder Workshop Meeting Materials

Saline Lake Ecosystems IWAA Stakeholder Workshop Meeting Materials

In fall 2022, the Saline Lake Ecosystems IWAA Team held three two-day virtual workshops to identify stakeholder science priorities for the Great Basin...

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