Unified Interior Regions

Colorado

The Rocky Mountain Region ranges from the Colorado Rockies to the Western Deserts to the Great Plains. The Rocky Mountain Region conducts multi- and interdisciplinary research and monitoring in locations across the Region, the United States, around the world, and across our solar system.

States L2 Landing Page Tabs

Filter Total Items: 207
Date published: November 19, 2018
Status: Active

Paradox Basin Oil and Gas Assessments

The U.S. Geological Survey completed the following assessments of undiscovered oil and gas resources of the Paradox Basin Province of Utah, Colorado, New Mexico and Arizona 5021.

Date published: November 19, 2018
Status: Active

Uinta-Piceance Basin Oil and Gas Assessments

The U.S. Geological Survey (USGS) has conducted a number of geology-based assessments of undiscovered oil and gas resources in the Uinta-Piceance Basin (USGS Province 5020) of western Colorado and Eastern Utah. Recent assessments include.

    Date published: November 15, 2018
    Status: Active

    Water-Quality Summaries for Several Major River Basins in Colorado

    Summaries of water-quality monitoring data are available for several major river basins in Colorado.

    For each basin, current data from a network of sites are compared to previously collected data and instream standards. Lowess curves are provided on plots for selected constituents where a sufficient period of record and limited censored data are available.

    Date published: October 23, 2018
    Status: Active

    Hazard and losses from earthquake-triggered landslides and liquefaction- Kate Allstadt

    Augment existing near real-time earthquake-triggered landslide and liquefaction hazard models with products such as landslide dam likelihood, road network disturbances, and disruption to ports. Investigate methods for improving and/or rapidly updating models such as remote sensing data, historical fill maps, and social media and news reports.

    Date published: October 23, 2018
    Status: Active

    Evaluation of the National Streamgage Network to Support Surface Water Characterization- Chris Konrad

    How can our national streamgage network evolve to meet changing demands in the coming fifty years?  This is an opportunity to explore the varied uses of the U.S. Geological Survey’s National Streamgage Network and understand how it can be used to support water management across the country and how it can be more effectively designed.

    Date published: October 18, 2018
    Status: Active

    Yellowstone National Park Integrated Studies- JoAnn Holloway

    The goal of the project supported by the internship is to evaluate mineral assemblages in drill hole core collected from Yellowstone National Park using spectral methods, determine subsurface structures using electromagnetic methods, and to evaluate the distribution of rare earth elements and other trace metals associated with minerals using scanning electron microscopy and electron microprobe...

    Date published: October 16, 2018
    Status: Active

    Plant and insect invasions and novel host use- Ian Pearse

    Plants and insects comprise a large portion of problematic invasive species. The success of these invasions largely depends on the outcomes of plant-insect interactions in which plants that escape herbivores may be more successful invaders, and herbivores that find adequate hosts have the opportunity to establish. This project will explore the dynamics of introduced plant or insect populations...

    Date published: October 16, 2018
    Status: Active

    High Performance Computing for the Advancement of Earth Science- Janice Gordon

    Work with USGS scientists to apply high performance computing principles and techniques to solve national and international earth science challenges.

    Date published: October 16, 2018
    Status: Active

    Geophysical studies into the architecture of large igneous systems hosting magmatic ore deposits- Carol Finn

    Exploring for the critical platinum-group elements (PGEs) relies upon understanding the geophysical signature of the entire magmatic system in which they form, from bottom to top. The USGS is applying a range of geophysical techniques to investigate the internal architecture of layered mafic intrusions.

    Date published: October 16, 2018
    Status: Active

    Extending subduction zone earthquake hazard assessments to risk- Nicolas Luco

    Subduction zone earthquakes, can generate ground shaking that lasts several minutes. Typical earthquake risk assessments do not account for such long-duration ground shaking. Earthquake engineers and scientists at the USGS and elsewhere are colllaborating to change this.

    Date published: August 30, 2018
    Status: Active

    Bioactive Chemicals Research Laboratory

    The Bioactive Chemicals Research Laboratory applies a collaborative transdisciplinary approach to conduct research to minimize the risk to human and aquatic organism health from exposure to contaminants in water supplies.

    Date published: August 30, 2018
    Status: Completed

    Paleoflood Investigations to Improve Flood-Frequency Estimates for Eastern Colorado

    The peak-streamflow regional-regression equations (PSRREs) in the Plains hydrologic region in eastern Colorado have the largest uncertainty of any hydrologic region in Colorado. Reliable peak-streamflow information is critical for the proper design of stream-related infrastructure, such as bridges and dams, and flood-plain inundation maps. In an effort to provide more reliable peak-streamflow...

    Filter Total Items: 143
    Date published: May 28, 2020

    Input and Output Data for the Application of the Precipitation-Runoff Modeling System (PRMS) to Simulate Near-Native Streamflow in the Upper Rio Grande Basin

    This data release contains input and output data from hydrologic simulations of naturalized or near-native streamflow conditions in the Upper Rio Grande Basin (URGB) in Colorado, New Mexico, Texas, and northern Mexico by using the Precipitation-Runoff Modeling System (PRMS). The Upper Rio Grande Basin PRMS model was calibrated in a three step process by (1) calibrating solar rad

    Date published: May 26, 2020

    Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 09132095; Anthracite Creek above Mouth near Somerset, Colorado

    This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at Anthracite Creek above Mouth near Somerset, U.S. Geological Survey (USGS) site number 09132095. The methods used follow USGS guidance as referenced in relevant Office of Surface Water Technical Memorandum (TM) 2016.07 and Office of Water Quality TM 2016.10,

    Date published: May 26, 2020

    Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 385553107243301; North Fork Gunnison below Raven Gulch near Somerset, Colorado

    This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at North Fork Gunnison River below Raven Gulch, U.S. Geological Survey (USGS) site number 385553107243301. The methods used follow USGS guidance as referenced in relevant Office of Surface Water/Office of Water Quality Technical Memoranda and USGS Techniques and M

    Date published: May 26, 2020

    Model Archive Summary for Suspended-Sediment Concentration at U.S. Geological Survey Site 385903107210800; Muddy Creek above Paonia Reservoir, Colorado

    This model archive summary documents the suspended-sediment concentration (SSC) model developed to estimate 15-minute SSC at Muddy Creek above Paonia Reservoir, U.S. Geological Survey (USGS) site number 385903107210800. The methods used follow USGS guidance as referenced in relevant Office of Surface Water Technical Memorandum (TM) 2016.07 and Office of Water Quality TM 2016.10,

    Date published: May 4, 2020

    Terrestrial and Bathymetric Survey Data for Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable Reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado, 2019

    The U.S. Geological Survey (USGS), in cooperation with the U.S. Air Force Academy, carried out bathymetry surveys to better characterize the 2019 water supply capacity of Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado. The bathymetry surveys were carried out b

    Date published: May 4, 2020

    Bathymetric Digital Elevation Models for Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable Reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado, 2019

    The U.S. Geological Survey (USGS), in cooperation with the U.S. Air Force Academy, carried out bathymetry surveys to better characterize the 2019 water-supply capacity of Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado. Survey points from bathymetry and terrest

    Date published: April 28, 2020

    Water-level and well-discharge data related to aquifer testing in Wet Mountain Valley, Colorado, 2019

    Short-term aquifer tests were conducted to estimate hydraulic properties in an alluvial aquifer. Tests included eight single-hole pumping and recovery tests and three slug tests (in a single well). These investigations were conducted in the Wet Mountain Valley, in Custer and Fremont Counties, Colorado. The U.S. Geological Survey (USGS) conducted aquifer tests in May, 2019. These aqu

    Date published: April 23, 2020

    Domestic Wells in the United States

    Domestic wells provide drinking water supply for approximately 40 million people in the United States. Knowing the location of these wells, and the populations they serve, is important for identifying heavily used aquifers, locations susceptible to contamination, and populations potentially impacted by poor-quality groundwater. 

    Date published: April 21, 2020

    Topographic and Sediment Size Data from Fountain Creek between Colorado Springs and the Confluence with the Arkansas River, Colorado, 2019

    In 2012, the U.S. Geological Survey (USGS) in cooperation with Colorado Springs Utilities selected 10 study areas along Fountain Creek between Colorado Springs, Colorado and the confluence of Fountain Creek with the Arkansas River for annual geomorphic monitoring. The purpose of this data release is to present topographic survey data, rasters , and sediment size data collected in 2019

    Date published: February 4, 2020

    Base flow monitoring for stream temperature and intermittency at Baca National Wildlife Refuge.

    The Baca National Wildlife Refuge is located in the San Luis Valley of South-central Colorado on the western flank of the Sangre de Cristo massif, northwest of the Great Sand Dunes National Park. Wildlife managers at the refuge are tasked with protecting two fish species of special concern, the Rio Grande Chub (Gila pandora) and the Rio Grande Sucker (Catostomus plebeius). The U.S. Ge

    Date published: January 28, 2020

    Runoff Modeling Web Services

    In cooperation with StreamStats, the runoff modeling services were developed using RESTful principles in order to assist engineers and watershed managers by calculating peak runoff for small watersheds. This API is intended to document the available service endpoints and provide limited example usage to assist developers in building outside programs...

    Date published: January 1, 2020

    Elevation-Volume Tables for Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable Reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado, 2019 (ver. 1.1, June 2020)

    The U.S. Geological Survey (USGS), in cooperation with the U.S. Air Force Academy, carried out bathymetry surveys to better characterize the 2019 water supply capacity of Deadmans Lake; Golf Course Reservoir 9; Ice Lake; Kettle Lakes 1, 2, and 3; and Non-Potable reservoirs 1, 2, 3, and 4 at the U.S. Air Force Academy, Colorado. The bathymetry surveys were carried out b

    Filter Total Items: 407
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    Year Published: 2018

    Comparability among four invertebrate sampling methods and two multimetric indexes, Fountain Creek Basin, Colorado, 2010–2012

    The U.S. Geological Survey (USGS), in cooperation with Colorado Springs City Engineering and Colorado Springs Utilities, analyzed previously collected invertebrate data to determine the comparability among four sampling methods and two versions (2010 and 2017) of the Colorado Benthic Macroinvertebrate Multimetric Index (MMI). For this study,...

    Bruce, James F.; Roberts, James J.; Zuellig, Robert E.
    Bruce, J.F., Roberts, J.J., and Zuellig, R.E., 2018, Comparability among four invertebrate sampling methods and two multimetric indexes, Fountain Creek Basin, Colorado, 2010–2012: U.S. Geological Survey Scientific Investigations Report 2018–5061, 11 p., https://doi.org/10.3133/sir20185061.

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    Year Published: 2018

    Assessment of dissolved-selenium concentrations and loads in the lower Gunnison River Basin, Colorado, as part of the Selenium Management Program, from 2011 to 2016

    The Gunnison Basin Selenium Management Program implemented a water-quality monitoring network in 2011 in the lower Gunnison River Basin in Colorado. Selenium is a trace element that bioaccumulates in aquatic food chains and can cause reproductive failure, deformities, and other harmful effects. This report presents the percentile values of...

    Henneberg, Mark F.
    Henneberg, M.F., 2018, Assessment of dissolved-selenium concentrations and loads in the lower Gunnison River Basin, Colorado, as part of the Selenium Management Program, from 2011 to 2016: U.S. Geological Survey Scientific Investigations Report 2018–5001, 23 p., https://doi.org/10.3133/ofr20185001.

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    Year Published: 2018

    Methane in groundwater from a leaking gas well, Piceance Basin, Colorado, USA

    Site-specific and regional analysis of time-series hydrologic and geochemical data collected from 15 monitoring wells in the Piceance Basin indicated that a leaking gas well contaminated shallow groundwater with thermogenic methane. The gas well was drilled in 1956 and plugged and abandoned in 1990. Chemical and isotopic data showed the...

    McMahon, Peter B.; Thomas, Judith C.; Crawford, John T.; Dornblaser, Mark M.; Hunt, Andrew G.
    McMahon, P.B., Thomas, J.C., Crawford, J.T., Dornblaser, M.M, Hunt, A.G., 2018. Methane in groundwater from a leaking gas well, Piceance Basin, Colorado, USA. Sci. Total Environ. 634, 791-801.

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    Year Published: 2018

    Changes in biological communities of the Fountain Creek Basin, Colorado, 2003–2016, in relation to antecedent streamflow, water quality, and habitat

    The analysis described in this report is part of a longterm project monitoring the biological communities, habitat, and water quality of the Fountain Creek Basin. Biology, habitat, and water-quality data have been collected at 10 sites since 2003. These data include annual samples of aquatic invertebrate communities, fish communities, water...

    Roberts, James J.; Bruce, James F.; Zuellig, Robert E.
    Roberts, J.J., Bruce, J.F., and Zuellig, R.E., 2018, Changes in biological communities of the Fountain Creek Basin, Colorado, 2003–2016, in relation to antecedent streamflow, water quality, and habitat: U.S. Geological Survey Scientific Investigations Report 2017–5162, 20 p., https://doi.org/10.3133/sir20175162.

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    Year Published: 2017

    Hydrogeologic characteristics and geospatial analysis of water-table changes in the alluvium of the lower Arkansas River Valley, southeastern Colorado, 2002, 2008, and 2015

    The U.S. Geological Survey in cooperation with the Lower Arkansas Valley Water Conservancy District measures groundwater levels periodically in about 100 wells completed in the alluvial material of the Arkansas River Valley in Pueblo, Crowley, Otero, Bent, and Prowers Counties in southeastern Colorado, of which 95 are used for the analysis in this...

    Holmberg, Michael J.
    Holmberg, M.J., 2017, Hydrogeologic characteristics and geospatial analysis of water-table changes in the alluvium of the lower Arkansas River Valley, southeastern Colorado, 2002, 2008, and 2015: U.S. Geological Survey Scientific Investigations Map 3378, pamphlet 9 p., 3 sheets, scale 1:130,000 and 1:575, 000, https://doi.org/10.3133/sim3378.

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    Year Published: 2017

    Geoelectric monitoring at the Boulder magnetic observatory

    Despite its importance to a range of applied and fundamental studies, and obvious parallels to a robust network of magnetic-field observatories, long-term geoelectric field monitoring is rarely performed. The installation of a new geoelectric monitoring system at the Boulder magnetic observatory of the US Geological Survey is summarized. Data from...

    Blum, Cletus; White, Tim; Sauter, Edward A.; Stewart, Duff; Bedrosian, Paul A.; Love, Jeffrey J.
    Blum, C. C., White, T. C., Sauter, E. A., Stewart, D. C., Bedrosian, P. A., and Love, J. J.: Geoelectric monitoring at the Boulder magnetic observatory, Geosci. Instrum. Method. Data Syst. Discuss., https://doi.org/10.5194/gi-2017-27, in production, 2017.

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    Year Published: 2017

    Characterization of water quality and suspended sediment during cold-season flows, warm-season flows, and stormflows in the Fountain and Monument Creek watersheds, Colorado, 2007–2015

    From 2007 through 2015, the U.S. Geological Survey, in cooperation with Colorado Springs City Engineering, conducted a study in the Fountain and Monument Creek watersheds, Colorado, to characterize surface-water quality and suspended-sediment conditions for three different streamflow regimes with an emphasis on characterizing water quality during...

    Miller, Lisa D.; Stogner, Sr., Robert W.
    Miller, L.D., and Stogner, R.W., Sr., 2017, Characterization of water quality and suspended sediment during cold-season flows, warm-season flows, and stormflows in the Fountain and Monument Creek Watersheds, Colorado, 2007–2015: U.S. Geological Survey Scientific Investigations Report 2017–5084, 47 p., https://doi.org/10.3133/sir20175084.

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    Year Published: 2017

    Precipitation, streamflow, suspended-sediment, and water-quality data for the U.S. Army Garrison Fort Carson and Piñon Canyon Maneuver Site, Colorado, 1966–2015

    The U.S. Army Garrison Fort Carson (AGFC) and the Piñon Canyon Maneuver Site (PCMS) are facilities operated by the U.S. Department of the Army in southern Colorado. The U.S. Geological Survey, in cooperation with the U.S. Department of the Army, established a hydrologic and water-quality data-collection network at the AGFC in June 1978 and at the...

    Arnold, L.R.
    Arnold, L.R., 2017, Precipitation, streamflow, suspended-sediment, and water-quality data for the U.S. Army Garrison Fort Carson and Piñon Canyon Maneuver Site, Colorado, 1966–2015: U.S. Geological Survey Open-File Report 2017–1072, 130 p., https://doi.org/10.3133/ofr20171072.

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    Year Published: 2017

    Estimation of salt loads for the Dolores River in the Paradox Valley, Colorado, 1980–2015

    Regression models that relate total dissolved solids (TDS) concentrations to specific conductance were used to estimate salt loads for two sites on the Dolores River in the Paradox Valley in western Colorado. The salt-load estimates will be used by the Bureau of Reclamation to evaluate salt loading to the river coming from the Paradox Valley and...

    Mast, Alisa
    Mast, M.A., 2017, Estimation of salt loads for the Dolores River in the Paradox Valley, Colorado, 1980–2015: U.S. Geological Survey Scientific Investigations Report 2017–5059, 20 p., https://doi.org/10.3133/sir20175059.

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    Year Published: 2017

    The Niobrara Formation as a challenge to water quality in the Arkansas River, Colorado, USA

    Study regionArkansas River, east of the Rocky Mountains.Study focusCretaceous sedimentary rocks in the western United States generally pose challenges to water quality, often through mobilization of salts and trace metals by irrigation. However, in the Arkansas River Basin of Colorado, patchy exposure of multiple Cretaceous formations has made it...

    Bern, Carleton R.; Stogner, Sr., Robert W.
    Bern, C.R. and Stogner, R.W., Sr., 2017, The Niobrara Formation as a challenge to water quality in the Arkansas River, Colorado, USA: Journal of Hydrology: Regional Studies, Elsevier, v. 12, p. 181-195.

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    Year Published: 2017

    Synoptic sampling and principal components analysis to identify sources of water and metals to an acid mine drainage stream

    Combining the synoptic mass balance approach with principal components analysis (PCA) can be an effective method for discretising the chemistry of inflows and source areas in watersheds where contamination is diffuse in nature and/or complicated by groundwater interactions. This paper presents a field-scale study in which synoptic sampling and PCA...

    Byrne, Patrick; Runkel, Robert L.; Walton-Day, Katie
    Byrne, P.A., Runkel, R.L., and Walton-Day, K., 2017, Synoptic sampling and principal components analysis to identify sources of water and metals to an acid mine drainage stream: Environmental Science and Pollution Research, Springer, p. 1-21, ISSN 0944-1344; doi:10.1007/s11356-017-9038-x

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    Year Published: 2017

    Bathymetry of Clear Creek Reservoir, Chaffee County, Colorado, 2016

    To better characterize the water supply capacity of Clear Creek Reservoir, Chaffee County, Colorado, the U.S. Geological Survey, in cooperation with the Pueblo Board of Water Works and Colorado Mountain College, carried out a bathymetry survey of Clear Creek Reservoir. A bathymetry map of the reservoir is presented here with the elevation-surface...

    Kohn, Michael S.; Kinzel, Paul J.; Mohrmann, Jacob S.
    Kohn, M.S., Kinzel, P.J., and Mohrmann, J.S., 2017, Bathymetry of Clear Creek Reservoir, Chaffee County, Colorado, 2016: U.S. Geological Survey Scientific Investigations Map 3375, 1 sheet, https://doi.org/10.3133/sim3375

    Filter Total Items: 196
    Photo of sideview of a structure that blocks rainfall
    April 18, 2018

    Rainout shelters allow researchers to study the effects of drought

    This rainout shelter blcoks about 35% of the natural rainfall, allowing researchers to understand the effects of drought on plants in the southwestern United States.

    Photo of structure which blocks about 35% of rainfall
    April 17, 2018

    Rainout shelters allow researchers to study effects of drought

    Rainout shelters block about 35% of natural rainfall, allowing researchers to study the effects of drought on plants in the arid and semiarid southwestern United States. 

    photo of structure which blocks rainfall
    April 17, 2018

    Rainout structures allow researchers to study the effects of drought

    This rainout structure blocks about 35% of the natural rainfall, allowing researchers to study the effects of drought on plants in the southwestern United States.

    Fathead minnows (Pimephales promelas) swimming in an experimental aquarium
    April 3, 2018

    Fathead minnows swimming in an experimental aquarium

    Fathead minnows (Pimephales promelas) swimming in an expermental aquaium. The aquarium is part of an experiment to assess endocrine disruption in fish.

    Bioactive Chemicals Research Laboratory -- Boulder, Colorado
    April 3, 2018

    Bioactive Chemicals Research Laboratory -- Boulder, Colorado

    Bioactive Chemicals Research Laboratory -- Boulder, Colorado. Fathead minnows (Pimephales promelas) swimming in an expermental aquaium

    Measuring streamflow through augered holes, North Platte nr Northgate
    January 17, 2018

    Measuring streamflow through augered holes, North Platte nr Northgate

    Measuring streamflow through augered holes, North Platte nr Northgate

    Fathead minnows (Pimephales promelas) swimming in an experimental aquarium
    December 31, 2017

    Fathead minnows swimming in an experimental aquarium

    Bioactive Chemicals Research Laboratory — Boulder, Colorado. Fathead minnows (Pimephales promelas) swimming in an experimental aquarium. The aquarium is part of an experiment to assess endocrine disruption in fish.

    Aquariums where male fathead minnows were exposed to the effluent from a wastewater treatment plant
    December 31, 2017

    Aquariums where male fathead minnows were exposed to sewage effluent

    Aquariums where male fathead minnows were exposed to the effluent from a wastewater treatment plant

    Scientist operates small drone over river valley with mountains in the background.
    August 16, 2017

    USGS uses drone with thermal infrared camera to study water resources

    USGS Hydrologist Eric White flies a small unoccupied aircraft system – sUAS or "drone" – equipped with a thermal infrared camera during a groundwater/surface-water exchange study along the East River in Gunnison National Forest near Gothic, Colorado, in August 2017. The study was part of a multi-year project by the USGS Water Resources Mission Area Hydrogeophysics Branch

    ...
    July 14, 2017

    Debris flow monitoring at Chalk Cliffs, CO (2017)

    The USGS and its cooperators have installed debris-flow monitoring equipment in the largest drainage basin at Chalk Cliffs, CO. Data collection at this site supports research on the hydrologic factors that control debris-flow initiation, entrainment, and flow dynamics.

    This debris flow took place July 19, 2017. The video includes a single view of an instrumented

    Johanna Blake demonstrates how to use a water quality sonde
    June 21, 2017

    Johanna Blake demonstrates how to use a water quality sonde

    USGS NMWSC Hydrologists Johanna Blake and Jeb Brown attended the 2nd Annual Conference on Environmental Conditions of the Animas and San Juan Watersheds with Emphasis on Gold King Mine and other Mine Waste Issues in Farmington, NM from June 20-21. Johanna and Jeb presented on the USGS long-term monitoring work of continuous monitoring sondes, water quality, and sediment

    ...
    Hydrologists doing field work near Farmington, NM
    June 20, 2017

    Hydrologists doing field work near Farmington, NM

    USGS NMWSC Hydrologists Johanna Blake and Jeb Brown attended the 2nd Annual Conference on Environmental Conditions of the Animas and San Juan Watersheds with Emphasis on Gold King Mine and other Mine Waste Issues in Farmington, NM from June 20-21. Johanna and Jeb presented on the USGS long-term monitoring work of continuous monitoring sondes, water quality, and sediment

    ...
    Filter Total Items: 213
    Image: Collecting Data at an Alpine Lake
    August 10, 2018

    Earlier snowmelt affects many ecosystems worldwide, especially in montane settings. USGS and other federal and university scientists determined how alpine plant species respond to snow melt gradients in a high-alpine area of the Rocky Mountains in Colorado.

    Bandelier Postwildfire, New Mexico Water Science Center
    August 6, 2018

    The U.S. Geological Survey is celebrating the achievements of Dr. Craig D. Allen, who was recently named an Ecological Society of America (ESA) fellow for making exceptional contributions to a broad array of ecology. Dr. Allen, a research ecologist with the USGS Fort Collins Science Center, joins 27 other newly-initiated ESA fellows from academia, public and private sectors. Fellows are elected fo

    UAS Vehicle
    June 26, 2018

    This Thursday, scientists with the U.S. Geological Survey and NASA will test new technologies near Parkdale, Colorado, located west of Cañon City, to better understand how drones may be used to measure water depth, water levels and velocity from the sky. 

    Dry wash in San Rafael Desert with white surface salts
    January 25, 2018

    Salinity loads that originate from groundwater within the Upper Colorado River Basin have decreased from 1986-2011, according to a new U.S. Geological Survey study done in cooperation with the Colorado River Basin Salinity Control Program.

    Prairie dog and SPV bait
    December 13, 2017

    About 70 percent of wild prairie dogs successfully ingested baits containing an oral sylvatic plague vaccine, or SPV, that were distributed throughout their habitats, according to a new U.S. Geological Survey study.

    Photo of a young girl drinking water, which likely originated from groundwater sources. 
    December 7, 2017

    A regional assessment of untreated groundwater in the Rio Grande aquifer system, which includes parts of Colorado, New Mexico and Texas, is now available from the U.S. Geological Survey.

    Upstream view of Fountain Creek in Colorado
    December 1, 2017

    The U.S. Geological Survey just added more than 800 fish and macroinvertebrate data samples from Fountain Creek, Colorado, to the USGS BioData Retrieval system.

    Lake Fork Creek below Sugarloaf dam near Leadville
    November 17, 2017

    Bringing together decades of research and mapping, the U.S. Geological Survey just released a geologic map and companion pamphlet featuring the Arkansas River Valley region in north-central Colorado.  

    Investigating Lung Disease in Military Veterans
    November 10, 2017

    Six years ago, veterans returning from Iraq and Afghanistan had trouble breathing normally. The list of potential causes that soldiers were exposed to seemed endless: smoke from burn pits used for trash disposal, desert dust, diesel generator exhaust, humidity and temperature extremes, explosives, and city trash and sewage.

    Map of Crested Butte Low-Level Flight Study Area
    September 25, 2017

    Editor:  In the public interest and in accordance with Federal Aviation Administration regulations, the USGS is announcing this low-level airborne project. Your assistance in informing the local communities is appreciated.

    A wildfire in a forest
    September 7, 2017

    A growing number of wildfire-burned areas throughout the western United States are expected to increase soil erosion rates within watersheds, causing more sediment to be present in downstream rivers and reservoirs, according to a new study by the U.S. Geological Survey.

    Image: Burning Sagebrush
    September 6, 2017

    An examination of long-term data for lands managed by the Bureau of Land Management finds that land treatments in the southwestern United States are increasingly large, expensive and related to fire and invasive species control.

    Filter Total Items: 213