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Filter Total Items: 151
Resolve 1
Date Published: September 5, 2017
Status: Active

Geohydrologic Framework and Assessment of Aquifer Characteristics of the Big Sioux Aquifer and Groundwater Flow Model to Determine Sustainable Yield for the City of Sioux Falls

Project Period: 2015-18
Cooperators: City of Sioux Falls
Project Chief: Greg Delzer

Spring Creek
Date Published: September 5, 2017
Status: Active

Simulation of Groundwater Flow in the Madison and Minnelusa Aquifers, Black Hills Area

Project Period: 2011-2018
Cooperator: National Park Service, Black Hills National Forest, City of Rapid City, West Dakota Water Development District
Project Chief: Bill Eldridge

Contacts: Bill Eldridge
Figure 1
Date Published: September 5, 2017
Status: Active

Real-time, Continuous Nitrate Monitoring of the Big Sioux River near Sioux Falls, South Dakota

Project Period: ongoing
Cooperators: City of Sioux Falls and East Dakota Water Development District
Project Chief: Galen Hoogestraat

Mount Rushmore water sampling
Date Published: September 1, 2017

Study to Examine Water-Quality Concerns within Mount Rushmore National Memorial

Project Period: 2011-2016
Cooperators: Mount Rushmore National Memorial
Project Chief: Galen Hoogestraat

USGS
Date Published: September 1, 2017

High-Resolution Hydrographic Mapping in Lincoln and Minnehaha Counties

Project Period: December 1, 2014 to June 30, 2016
Cooperators: Cities of Harrisburg and Sioux Falls, Lincoln County, East Dakota Water Development District, South Dakota Department of Transportation, and the Mid-America GIS Consortium
Project Chief: Ryan Thompson and Dan Driscoll

Oil and Gas 4
Date Published: August 31, 2017
Status: Active

Estimating National Water Use Associated with Unconventional Oil and Gas Development

Project Period: 2016-ongoing
Cooperator: U.S. Geological Survey Water Availability and Use Science Program
Project Chiefs: Kathleen Rowland, Gregory Delzer, Joanna Thamke, and Janet Carter

Cedar Rapids
Date Published: August 29, 2017
Status: Active

Characterizing the Hydrogeological Framework for the Cedar River Alluvial Aquifer System near Cedar Rapids, Iowa, using Airborne Electromagnetic Surveys

Project Period: 2016-18
Cooperators: City of Cedar Rapids
Project Chiefs: Eddie Haj (Iowa/Illinois Water Science Center) and Joshua Valder (Dakota Water Science Center)

Contacts: Joshua Valder
Canyon Lake
Date Published: August 29, 2017

Water-Quality Monitoring of Canyon Lake

Project Period: May 2017 - September 2018
Cooperator: West Dakota Water Development District
Project Chief: Galen Hoogestraat

USGS
Date Published: August 29, 2017
Status: Completed

Implementing a Web-Based Streamflow Statistics Tool for South Dakota (StreamStats)

The objective of this study is to provide a Web-based interactive tool (StreamStats) for determining streamflow statistics for any stream location within South Dakota for which applicable streamflow regression equations have been published.

Contacts: Ryan F Thompson
USGS
Date Published: August 28, 2017
Status: Completed

South Dakota Watershed Boundary Dataset

Dataset for South Dakota Watershed Boundary.

Contacts: Ryan F Thompson
Collecting Water Samples from a Well in Armenia
Date Published: August 28, 2017
Status: Completed

Armenia - Building Groundwater Management Capacity for the Ararat Valley

Project Period: 2016-17
Cooperator: U.S. Agency for International Development (USAID)
Project Chief: Joshua Valder

Contacts: Joshua Valder
Image: Missouri River
Date Published: August 17, 2017

Missouri River Basin Overveiw

Learn About the Missouri River Basin

Filter Total Items: 1,746
Publication Thumbnail
Year Published: 2018

Adaptive population divergence and directional gene flow across steep elevational gradients in a climate‐sensitive mammal

The American pika is a thermally sensitive, alpine lagomorph species. Recent climate-associated population extirpations and genetic signatures of reduced population sizes range-wide indicate the viability of this species is sensitive to climate change. To test for potential adaptive responses to climate stress, we sampled pikas along two...

Waterhouse, Matthew D.; Erb, Liesl P.; Beever, Erik A.; Russello, Michael A.
Waterhouse, M.D., L.P. Erb, E.A. Beever, and M.A. Russello. 2018. Adaptive population divergence and directional gene flow across steep elevational gradients in a climate-sensitive mammal. Molecular Ecology 27(11): 2512-2528.

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Year Published: 2018

Comparison of NEXRAD multisensor precipitation estimates to rain gage observations in and near DuPage County, Illinois, 2002–12

In this report, precipitation data from 2002 to 2012 from the hourly gridded Next-Generation Radar (NEXRAD)-based Multisensor Precipitation Estimate (MPE) precipitation product are compared to precipitation data from two rain gage networks—an automated tipping bucket network of 25 rain gages operated by the U.S. Geological Survey (USGS) and 51...

Spies, Ryan R.; Over, Thomas M.; Ortel, Terry
Spies, R.R., Over, T.M., and Ortel, T.W., 2018, Comparison of NEXRAD multisensor precipitation estimates to rain gage observations in and near DuPage County, Illinois, 2002–12: U.S. Geological Survey Open-File Report 2018–1061, 30 p., https://doi.org/10.3133/ofr20181061.

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Year Published: 2018

Examining speed versus selection in connectivity models using elk migration as an example

ContextLandscape resistance is vital to connectivity modeling and frequently derived from resource selection functions (RSFs). RSFs estimate relative probability of use and tend to focus on understanding habitat preferences during slow, routine animal movements (e.g., foraging). Dispersal and migration, however, can produce rarer, faster movements...

Brennan, Angela; Hanks, Ephraim M.; Merkle, Jerod A.; Cole, Eric K.; Dewey, Sarah R.; Courtemanch, Alyson B.; Cross, Paul C.
Brennan, A, EM Hanks, JA Merkle, EK Cole, SR Dewey, AB Courtemanch, and PC Cross. 2018. Examining speed versus selection in connectivity models using elk migration as an example. Landscape Ecology. 00:000-000

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Year Published: 2018

U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative—2016 annual report

This is the ninth annual report highlighting U.S. Geological Survey (USGS) science and decision-support activities conducted for the Wyoming Landscape Conservation Initiative (WLCI). The activities address specific management needs identified by WLCI partner agencies. In fiscal year (FY) 2016, there were 26 active USGS WLCI science-based projects...

Bowen, Zachary H.; Aikens, Ellen; Aldridge, Cameron L.; Anderson, Patrick J.; Assal, Timothy J.; Chalfoun, Anna D.; Chong, Geneva W.; Eddy-Miller, Cheryl A.; Garman, Steven L.; Germaine, Stephen S.; Homer, Collin G.; Johnston, Aaron; Kauffman, Matthew J.; Manier, Daniel J.; Melcher, Cynthia P.; Miller, Kirk A.; Walters, Annika W.; Wheeler, Jerrod D.; Wieferich, Daniel; Wilson, Anna B.; Wyckoff, Teal B.; Zeigenfuss, Linda C.
Bowen, Z.H., Aikens, E., Aldridge, C.L., Anderson, P.J., Assal, T.J., Chalfoun, A.D., Chong, G.W., Eddy-Miller, C.A., Garman, S.L., Germaine, S.S., Homer, C.G., Johnston, A., Kauffman, M.J., Manier, D.J., Melcher, C.P., Miller, K.A., Walters, A.W., Wheeler, J.D., Wieferich, D., Wilson, A.B., Wyckoff, T.B., and Zeigenfuss, L.C., 2018, U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative—2016 annual report: U.S. Geological Survey Open-File Report 2018–1048, 49 p., https://doi.org/10.3133/ofr20181048.

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Year Published: 2018

Methods for peak-flow frequency analysis and reporting for streamgages in or near Montana based on data through water year 2015

This report documents the methods for peak-flow frequency (hereinafter “frequency”) analysis and reporting for streamgages in and near Montana following implementation of the Bulletin 17C guidelines. The methods are used to provide estimates of peak-flow quantiles for 50-, 42.9-, 20-, 10-, 4-, 2-, 1-, 0.5-, and 0.2-percent annual exceedance...

Sando, Steven K.; McCarthy, Peter M.
Sando, S.K., and McCarthy, P.M., 2018, Methods for peak-flow frequency analysis and reporting for streamgages in or near Montana based on data through water year 2015: U.S. Geological Survey Scientific Investigations Report 2018–5046, 39 p., https://doi.org/10.3133/sir20185046.

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Year Published: 2018

Effects of brine contamination from energy development on wetland macroinvertebrate community structure in the Prairie Pothole Region

Wetlands in the Prairie Pothole Region (PPR) of North America support macroinvertebrate communities that are integral to local food webs and important to breeding waterfowl. Macroinvertebrates in PPR wetlands are primarily generalists and well adapted to within and among year changes in water permanence and salinity. The Williston Basin, a major...

Preston, Todd M.; Borgreen, Michael J.; Ray, Andrew M.
Preston, TM, Borgreen, MJ, and Ray, RM. 2018. Effects of brine contamination from energy development on wetland macroinvertebrate community structure in the Prairie Pothole Region. Environmental Pollution, 239C, 722-732

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Year Published: 2018

Book review: Handbook of cyanobacterial monitoring and cyanotoxin analysis

Review of Meriluoto, Jussi, Lisa Spoof, and GeoffreyA. Codd [eds.]. 2017. Handbook of Cyanobacterial Monitoring and Cyanotoxin Analysis. John Wiley & Sons, Ltd.: Chichester, West Sussex, UK, ISBN 978‐1‐119‐06868‐6 (978‐1‐119‐06876‐1 eBook), DOI 10.1002/9781119068761.

Graham, Jennifer L.; Loftin, Keith A.
Graham, J.L. and Loftin, K.A., 2018, Book Review - Handbook of Cyanobacterial Monitoring and Cyanotoxin Analysis: Limnology and Oceanography Bulletin, 25(2), p. 61-62.

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Year Published: 2018

Toward a social-ecological theory of forest macrosystems for improved ecosystem management

The implications of cumulative land-use decisions and shifting climate on forests, require us to integrate our understanding of ecosystems, markets, policy, and resource management into a social-ecological system. Humans play a central role in macrosystem dynamics, which complicates ecological theories that do not explicitly include human...

Kleindl, William J.; Stoy, Paul C.; Binford, Michael W.; Desai, Ankur R.; Dietze, Michael C.; Schultz, Courtney A.; Starr, Gregory; Staudhammer, Christina; Wood, David J. A.
Kleindl, W., P. Stoy, M. Binford, A. Desai, M. Dietze, C. Schultz, G. Starr, C. Staudhammer, and D. Wood. 2018. Toward a Social-Ecological Theory of Forest Macrosystems for Improved Ecosystem Management. Forests 9:200.

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Year Published: 2018

Carnivore hotspots in Peninsular Malaysia and their landscape attributes

Mammalian carnivores play a vital role in ecosystem functioning. However, they are prone to extinction because of low population densities and growth rates, and high levels of persecution or exploitation. In tropical biodiversity hotspots such as Peninsular Malaysia, rapid conversion of natural habitats threatens the persistence of this vulnerable...

Ratnayeke, Shyamala; van Manen, Frank T.; Clements, Gopalasamy Reuben; Mohd Kulaimi, Noor Azleen; Sharp, Stuart P.
Ratnayeke S, van Manen FT, Clements GR, Kulaimi NAM, Sharp SP (2018) Carnivore hotspots in Peninsular Malaysia and their landscape attributes. PLoS ONE 13(4): e0194217.

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Year Published: 2018

Size‐assortative choice and mate availability influences hybridization between red wolves (Canis rufus) and coyotes (Canis latrans)

Anthropogenic hybridization of historically isolated taxa has become a primary conservation challenge for many imperiled species. Indeed, hybridization between red wolves (Canis rufus) and coyotes (Canis latrans) poses a significant challenge to red wolf recovery. We considered seven hypotheses to assess factors influencing hybridization between...

Hinton, Joseph W.; Gittleman, John L.; van Manen, Frank T.; Chamberlain, Michael J.
Hinton JW, Gittleman JL, van Manen FT, Chamberlain MJ. Size-assortative choice and mate availability influences hybridization between red wolves (Canis rufus) and coyotes (Canis latrans). Ecol Evol. 2018;00: 1–14. https://doi.org/10.1002/ece3.3950

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Year Published: 2018

Water-quality, bed-sediment, and biological data (October 2015 through September 2016) and statistical summaries of data for streams in the Clark Fork Basin, Montana

Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to characterize aquatic resources in the...

Dodge, Kent A.; Hornberger, Michelle I.; Turner, Matthew A.
Dodge, K.A., Hornberger, M.I., and Turner, M.A., 2018, Water-quality, bed-sediment, and biological data (October 2015 through September 2016) and statistical summaries of data for streams in the Clark Fork Basin, Montana: U.S. Geological Survey Open-File Report 2017–1136, 118 p., https://doi.org/10.3133/ofr20171136.

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Year Published: 2018

Spatiotemporal heterogeneity in prey abundance and vulnerability shapes the foraging tactics of an omnivore

Prey abundance and prey vulnerability vary across space and time, but we know little about how they mediate predator–prey interactions and predator foraging tactics. To evaluate the interplay between prey abundance, prey vulnerability and predator space use, we examined patterns of black bear (Ursus americanus) predation of caribou (Rangifer...

Rayl, Nathaniel D.; Bastille-Rousseau, Guillaume; Organ, John F.; Mumma, Matthew; Mahoney, Shane P.; Soulliere, Colleen; Lewis, Keith; Otto, Robert; Murray, Dennis; Waits, Lisette; Fuller, Todd
Rayl, N.D., Bastille-Rousseau, G., Organ, J.F., Mumma, M.A., Mahoney, S.P., Soulliere, C.E., Lewis, K.P., Otto, R.D., Murray, D.L., Waits, L.P., & Fuller, T.K. (2018) Data from: Spatiotemporal heterogeneity in prey abundance and vulnerability shapes the foraging tactics of an omnivore. Journal of Animal Ecology.

Filter Total Items: 181
December 31, 2016

Changes in Canopy Cover with NASA MODIS Leaf Area Index Data

Did you know that tree canopy cover can be measured from space? The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor onboard NASA’s Terra and Aqua satellites can do just that by providing data that are used to calculate Leaf Area Index (LAI). LAI is a measurement of green leaf area in broadleaf tree canopies and needle surface area in coniferous tree canopies.

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December 31, 2016

Annual Progression of Global Vegetation with NASA MEaSUREs VIP

The seasonal progression of global vegetation is driven by the tilt of the Earth's rotational axis and its annual orbit around the Sun. In turn, global seasonality drives major changes in important environmental factors such as global atmospheric carbon dioxide concentrations. This data visualization illustrates this phenomenon using weekly Enhanced Vegetation Index 2 (

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Image shows a cubical sample of pyrite with a quartz crystal extending beneath it
December 31, 2016

Pyrite and Quartz

A sample of pyrite and quartz. Iron pyrite, also known as Fool's Gold due to its resemblance to gold, often occurs in quartz veins. Pyrite is an important source of sulfur dioxide, which is primarily used to create sulfuric acid, an important industrial acid. In fact, consumption of sulfuric acid has been regarded as one of the best indexes of a nation's industrial

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October 31, 2016

Monitoring Stormwater and Green Infrastructure (Gary City Hall, Ind.)

This time-lapse video shows the construction of the new Gary City Hall parking lot and rain garden in Gary, Indiana. The City of Gary is utilizing green infrastructure in their redevelopment projects in the hopes of reducing the amount stormwater runoff that enters their storm-sewer system and, eventually, Lake Michigan. This project included reducing the amount of

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Pipe installation to monitor harmful algal blooms at Cheney Reservoir
October 20, 2016

Pipe installation to monitor harmful algal blooms at Cheney Reservoir

John Rosendale installs a pipe to monitor harmful algal blooms at Cheney Reservoir in Kansas. 

Two decades of harmful algal bloom, nutrient and sediment research by the USGS is helping to support Wichita’s long-term vision of a sustainable water supply into the future. Early warning indicators of harmful algal blooms have been developed for Cheney Reservoir, Kansas

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October 10, 2016

Detecting Invasive Species in the Field: Portable eDNA Screening Tool

The USGS field tested the use of a portable hand-held kit for the detection of the environmental DNA (eDNA) of Asian carps (bighead carp and silver carp) in water samples as part of on-going invasive species detection research. The goals of the USGS-led research are to develop a method and kit that can be used on-site to detect Asian carp eDNA within one hour. Developing

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Satellite image that shows the flooding in Iowa for the Cedar River.
September 26, 2016

Cedar River Surges to Second-Highest Level in Eastern Iowa

Images from Landsat 8's Operational Land Imager sensor show the dramatic transformation of the river as it flows toward Cedar Rapids. On July 8, 2016, the shallow river meanders into the city, surrounded by green crops in the heart of the growing season. The September 26 image shows the overflowing river at a time when magenta tones around it speak to a countryside

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September 6, 2016

USGS Hammond Bay Biological Station Renovation — Time Lapse

Watch as the USGS Hammond Bay Biological Station water tank and pump house are constructed from the ground up! This short video features time lapse photography of the 1-million gallon water tank and pump house constructed to supply water to a state-of-the-art aquatic science laboratory. Laboratory construction will occur over the next several years and will also be

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August 3, 2016

Shovelnose Spawning

Video of ARIS Sonar imagery showing a female and two male shovelnose sturgeon over an egg deposition location recorded during controlled experiments to study spawning behavior.
 

Sensors are cleaned with an automatic wiper brush on the continuous water-quality monitors. 
July 29, 2016

Water-quality sensors kept clean for harmful algal bloom monitoring

Sensors are cleaned with an automatic wiper brush on the continuous water-quality monitors. 

Two decades of harmful algal bloom, nutrient and sediment research by the USGS is helping to support Wichita’s long-term vision of a sustainable water supply into the future. Early warning indicators of harmful algal blooms have been developed for Cheney Reservoir, Kansas,

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July 18, 2016

Inside USGS, No. 6, Ken Pierce, Heavy Breathing of Yellowstone Caldera

Dr. Kenneth Pierce studied the geology and geomorphology of the greater Yellowstone area for nearly his entire career with the U.S. Geological Survey. From 1965 to present, Dr. Pierce has mapped glacial deposits, pioneered Quaternary dating techniques, conducted research on the Yellowstone Hot Spot, studied the geothermal areas, explored the geology of archaeological sites

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July 18, 2016

Inside USGS, No. 5, Pleistocene Glaciations of Greater Yellowstone

Dr. Kenneth Pierce studied the geology and geomorphology of the greater Yellowstone area for nearly his entire career with the U.S. Geological Survey. From 1965 to present, Dr. Pierce has mapped glacial deposits, pioneered Quaternary dating techniques, conducted research on the Yellowstone Hot Spot, studied the geothermal areas, explored the geology of archaeological sites

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Filter Total Items: 106
Mother grizzly and cub at Gibbon River, Yellowstone National Park.
September 21, 2016

Grizzly bears in the southern portion of the Northern Continental Divide Ecosystem experienced a rapid increase in genetic diversity, according to a new study led by the USGS.

Crop of OK earthquake
September 3, 2016

A magnitude 5.8 earthquake struck in Oklahoma on September 3, 2016 at 12:02:44 UTC (7:02 am local time). 

An American pika collects grass and flowers to stockpile its winter food supplies.
August 25, 2016

American pikas – small herbivores that typically live in rocky slopes, known as talus, across many mountain ranges in the American West – are disappearing from some locations across the West due to climate change, according to a study by the U.S. Geological Survey and some of its partners.

USGS: Science for a changing world
August 11, 2016

Two new streamgages recently installed by the U.S. Geological Survey in the cities of Greenfield and Elwood, Indiana will provide continuous, real-time streamflow and water level information in areas that have demonstrated a need for reliable flood warning and flood-related data.  

Tethys 1
August 4, 2016

The USGS and Monterey Bay Aquarium Research Institute deployed a long-range autonomous underwater vehicle, named Tethys, in Lake Michigan on August 1. The deployment will last approximately 25 days. Tethys is continuously measuring amounts of algae and fish food called zooplankton across vast distances to help scientists better understand the base of the changing Lake Michigan food web. 

Claudia Regan
August 3, 2016

New Center Director to sustain NOROCK’s tradition of productivity and partnership in generating ground-breaking science relevant to resource managers in the Northern Rocky Mountains and beyond.

Unmanned Aerial Vehicle Ignites Controlled Fires
July 31, 2016

The USGS Nebraska Cooperative Fish and Wildlife Research Unit in partnership with the Nebraska Intelligent MoBile Unmanned Systems Lab (NIMBUS) and the Applied Complex Adaptive Systems Lab have designed a drone prototype that drops balls filled with combustible material that ignites fire as part of prescribed fire management.

Filter Total Items: 119