Unified Interior Regions

Region 7: Upper Colorado Basin

Regions L2 Landing Page Tabs

USGS Science Centers in Region 7-Upper Colorado Basin conduct a large number of cooperative and collaborative projects with other agencies and partners. A sampling of those projects are shown below on this web page.

Filter Total Items: 351
Date published: May 22, 1997
Status: Active

Groundwater-Level Monitoring in Middle Rio Grande Basin Piezometers

In 1996, the U.S. Geological Survey, in cooperation with the New Mexico Office of the State Engineer and the Albuquerque Bernallilo County Water Utility Authority, began a drilling program to install specialized monitoring wells in the Middle Rio Grande Basin. The purpose of the program is to monitor hydraulic head at specific depths in the aquifer (fig. 1). Most of these specialized wells,...

Contacts: Joseph E Beman
Date published: May 22, 1997
Status: Active

Middle Rio Grande Piezometer network

In 1996, the U.S. Geological Survey, in cooperation with the New Mexico Office of the State Engineer and the Albuquerque Bernallilo County Water Utility Authority, began a drilling program to install specialized monitoring wells in the Middle Rio Grande Basin. The purpose of the program is to monitor hydraulic head at specific depths in the aquifer (fig 1). Most of these specialized wells,...

Contacts: Joseph E Beman
Date published: October 20, 1996
Status: Completed

Upper Animas River Basin Abandoned Mine Lands Initiative

The USGS Abandoned Mine Lands Initiative (AMLI) is developing and demonstrating scientific knowledge and technologies that will help Federal land management agencies clean up contamination in areas near abandoned hardrock mines across the Nation. The Initiative is being conducted in two pilot watersheds, the Upper Animas River Basin in Colorado and the...

Filter Total Items: 4,737
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Year Published: 2019

Identification of conservation and restoration priority areas in the Danube River based on the multi-functionality of river-floodplain systems

Large river-floodplain systems are hotspots of biodiversity and ecosystem services but are also used for multiple human activities, making them one of the most threatened ecosystems worldwide. There is wide evidence that reconnecting river channels with their floodplains is an effective measure to increase...

Funk, Andrea; Martinez-Lopez, Javier; Borgwardt, Florian; Traunder, Daniel; Bagstad, Kenneth J.; Balbi, Stefano; Magrach, Ainhoa; Villa, Ferdinando; Hein, Thomas

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Year Published: 2019

Do low-cost seismographs perform well enough for your network? An overview of laboratory tests and field observations of the OSOP Raspberry Shake 4D

Seismologists have recently begun utilizing low-cost nodal sensors in dense deployments to sample the seismic wavefield at unprecedented spatial resolution. Earthquake Early Warning Systems (EEWS) and other monitoring networks (e.g. wastewater injection) would additionally benefit from network densification; however, current nodal systems lack...

Anthony, Robert E.; Ringler, Adam T.; Wilson, David C.; Wolin, Emily

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Year Published: 2019

Spatiotemporal analysis of the Foreshock-Mainshock-Aftershock sequence of the 6 July 2017 M5.8 Lincoln, Montana, earthquake

A MW 5.8 earthquake occurred on 6 July 2017 at 12.2 km depth, 11 km southeast of Lincoln in west central Montana. No major damage or injuries were reported; however, the widely felt mainshock generated a prolific aftershock sequence with more than 1200 located events through the end of 2017. The Lincoln event is the latest in a series of moderate-...

McMahon, Nicole D; Yeck, William L.; Stickney, Michael C.; Aster, Richard C.; Martens, Hilary R; Benz, Harley M.

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Year Published: 2019

Modeling landowner interactions and development patterns at the urban fringe

Population growth and unrestricted development policies are driving low-density urbanization and fragmentation of peri-urban landscapes across North America. While private individuals own most undeveloped land, little is known about how their decision-making processes shape landscape-scale patterns of urbanization over time. We introduce a hybrid...

Koch, Jennifer; Dorning, Monica; Van Berkel, Derek B.; Beck, Scott M.; Sanchez, Georgina M; Shashidharan, Ashwin; Smart, Lindsey S.; Zhang, Qiang; Smith, Jordan W.; Meentemeyer, Ross K.

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Year Published: 2019

Near-surface environmentally forced changes in the Ross Ice Shelf observed with ambient seismic noise

Continuous seismic observations across the Ross Ice Shelf reveal ubiquitous ambient res- onances at frequencies >5 Hz. These firn-trapped surface wave signals arise through wind and snow bedform interactions coupled with very low velocity structures. Progressive and long-term spectral changes are associated with surface snow redistribution by...

Chaput, J.; Aster, R.C.; McGrath, D.; Baker, M.G.W.; Anthony, Robert E.; Gerstoft, P.; Bromirski, P.; Nyblade, A.; Stephen, R.A.; Wiens, D.

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Year Published: 2019

Testing the potential role of brine reflux in the formation of sedimentary exhalative (Sedex) ore deposits

Sedimentary exhalative (sedex) ore deposits are the world’s largest Zn-Pb deposits. While the geologic processes that formed these deposits are generally well understood, the fundamental hydrologic processes that drove these massive hydrothermal systems remain an area of debate. We use numerical modeling to test an emerging hypothesis, supported...

Manning, Andrew H.; Fixme, Bad ORCID

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Year Published: 2019

Towards globally customizable ecosystem service models

Scientists, stakeholders and decision makers face trade-offs between adopting simple or complex approaches when modeling ecosystem services (ES). Complex approaches may be time- and data-intensive, making them more challenging to implement and difficult to scale, but can produce more accurate and locally specific results. In contrast, simple...

Martinez-Lopez, Javier; Bagstad, Kenneth J.; Balbi, Stefano; Magrach, Ainhoa; Voigt, Brian; Athanasiadis, Ioannis; Pascual, Marta; Willcock, Simon; Villa, Ferdinando
Martínez-López, J., K.J. Bagstad, S. Balbi, A. Magrach, B. Voigt, I. Athanasiadis, M. Pascual, S. Willcock, and F. Villa. 2019. Towards globally customizable ecosystem service models. Science of the Total Environment 650(2):2325-2336.

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Year Published: 2019

Overview of the oxygen isotope systematics of land snails from North America

Continental paleoclimate proxies with near-global coverage are rare. Land snail δ18O is one of the few proxies abundant in Quaternary sediments ranging from the tropics to the high Arctic tundra. However, its application in paleoclimatology remains difficult, attributable in part to limitations in published calibration studies. Here we present...

Yanes, Yurena; Al-Qattan, Nasser M.; Rech, Jason A.; Pigati, Jeffrey S.; Dodd, Justin P.; Nekola, Jeffrey C.

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Year Published: 2019

Mw 4.2 Delaware Earthquake of 30 November 2017

The 30 November 2017 Delaware earthquake with magnitude MW 4.2 occurred beneath the northeastern tip of the Delmarva Peninsula near Dover, Delaware. The earthquake and its aftershocks provide an opportunity to evaluate seismicity in a passive margin setting using much improved coverage by high-quality permanent broadband seismometers at regional...

Kim, Won-Young; Gold, Mitchell; Ramsay, Joseph; Meltzer, Anne; Wunsch, David; Baxter, Stefanie; Lekic, Vedran; Goodling, Phillip; Pearson, Karen; Wagner, Lara S.; Roman, Diana C.; Golden, Steven; Pratt, Thomas L.

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Year Published: 2019

Seismic and acoustic signatures of surficial mass movements at volcanoes

Surficial mass movements, such as debris avalanches, rock falls, lahars, pyroclastic flows, and outburst floods, are a dominant hazard at many volcanoes worldwide. Understanding these processes, cataloging their spatio-temporal occurrence, and detecting, tracking, and characterizing these events would advance the science of volcano monitoring and...

Allstadt, Kate E.; Matoza, Robin S; Lockhart, Andrew; Moran, Seth C.; Caplan-Auerbach, Jacqueline; Haney, Matthew M.; Thelen, Weston; Malone, Stephen D.

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Year Published: 2019

A global empirical model for near real-time assessment of seismically induced landslides

Earthquake-triggered landslides are a significant hazard in seismically active regions, but our ability to assess the hazard they pose in near real-time is limited. In this study, we present a new globally applicable model for seismically induced landslides based on the most comprehensive global dataset available; we use 23 landslide inventories...

Nowicki Jessee, M. Anna; Hamburger, M.W.; Allstadt, Kate E.; Wald, David J.; Tanyas, H.; Hearne, Mike; Thompson, E.M.

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Year Published: 2019

Monitoring brine contamination using time-lapse airborne electromagnetic surveys, East Poplar Oil Field, Montana

Integrated geophysical and water-quality studies have been used to delineate areas of saline groundwater in shallow unconfined aquifers underlying the East Poplar oil field in northeastern Montana. In 2004, a RESOLVE survey was conducted over the oil field to identify high conductivity areas potentially associated with brine contamination and to...

Ball, Lyndsay; Deszcz-Pan, Maria; Thamke, Joanna; Smith, Bruce

Photos and videos described and linked on this webpage come from a wide variety of USGS science activities and presentations performed by USGS Science Center staff members in the Region 7-Upper Colorado Basin.

Filter Total Items: 596
Sagebrush, grasses, and forbs in a shrub-steppe ecosystem
August 28, 2015

Sagebrush, grasses, and forbs in a shrub-steppe ecosystem

Determining aboveground biomass of sagebrush, grasses, and forbs is important for estimating fuel loads, measuring carbon storage, and assessing habitat quality in shrublands. Remote sensing may offer a more efficient alternative to common, labor intensive methods of measuring aboveground biomass that are difficult to apply across large areas. Researchers from the USGS are

...
Core from 2" well drilled into Wasatch Formation, Big Piney, WY
August 16, 2015

Core from 2" well drilled into Wasatch Formation, Big Piney, WY

Core from 2" well drilled into Wasatch Formation, Big Piney, WY

Soil Sample in Scoop
August 13, 2015

Animas River Sample

Animas River downstream from Silverton, Colorado, showing streambed sediment collected from right bank backwater area in scoop, and from left bank cobble area (in jar) near USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.

Creek Close up
August 13, 2015

Cement Creek Close Up

North Fork Cement Creek showing visual results of sodium hydroxide (NaOH) addition which increases the pH causing  precipitation of ferric (orange) and ferrous (green) iron hydroxides.  Latitude 37.89517, Longitude -107.64656.

Sediment sample close up.
August 13, 2015

Baker's Bridge Sediment Sample

Animas River samples at Baker's Bridge/Tall Timber Resort (USGS site ID 09359500).  Closeup view showing location of streambed sediment sample collection from right side of left channel where river splits into two channels upstream from the Riverside Resort.  Latitude 37.457297, Longitude -107.799803.

Device measuring pH
August 13, 2015

Measuring pH

Measuring pH at the outlet of the fourth settling pond downstream from the North Fork Cement Creek. Latitude 37.894451, Longitude -107.64763.

USGS Gage under bridge
August 13, 2015

USGS Gage 09358000

USGS stream Gage (USGS site ID 09358000) on Animas River upstream from Silverton and Cement Creek. Latitude 37.811131, Longitude -107.659213.

Animas river running near town
August 13, 2015

Animas River Downstream

Animas River downstream from Silverton Colorado, looking upstream toward town of Silverton.  Confluence of Animas River and Mineral Creek near center of photograph. Confluence of Cement Creek and Animas River near upstream area of the town of Silverton. Photo taken from Highway 550 heading to Durango.

USGS gage 09359020
August 13, 2015

Animas River at A72

Animas River downstream from Silverton, Colorado showing cableway for USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.

Three Water Samples
August 12, 2015

Water Sample Comparison

Photo showing contrast in clarity between water samples collected at sites A68 (USGS site ID 09358000), Animas River at Silverton, Colorado and upstream from Cement Creek; A72 (USGS site ID 09359020), Animas River downstream from Silverton; and CC48 (USGS site ID 09358550), Cement Creek at mouth. 

Constructed Pond
August 12, 2015

First Pond below Gold King Mine

First of four settling ponds located downstream from North Fork Cement Creek to facilitate settling of solids material after addition of sodium hydroxide (NaOH) to the North Fork Cement Creek.  Latitude 37.89451, Longitude -107.64763.

Photo shot of scenery around Gold King Mine.
August 12, 2015

View from Gold King Mine

View from the Gold King Mine showing water flowing toward viewer in culvert that collects water from the draining Gold King mine tunnel and diverts water around the waste pile on which it flows and which falls off to the left of the photo. Latitude 37.894631, Longitude -107.638288.

This page includes links to Social Media accounts (top of page), Science Centers (middle of page), and Regional Office staff members (bottom of page) of the USGS Region 7--Upper Colorado Basin.