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Publications

USGS Science Centers in Region 7:  Upper Colorado Basin produce hundreds of USGS-series publications, journal papers, and books each year that are subject to rigorous peer review by USGS specialists. The publications linked above and listed below are related to study areas and staff members of USGS Science Centers in Region 7 compiled from the USGS Publications Warehouse.

Filter Total Items: 8314

Agricultural return flow dynamics on a reach of the East River, Colorado, as assessed by mass balance

The U.S. Geological Survey, in cooperation with the Upper Gunnison River Water Conservancy District, studied historical streamflow in a reach of the East River, Colorado, to gain a preliminary understanding of return flow dynamics. Return flow is agricultural irrigation water that is not consumed by evapotranspiration and instead reaches streams by surface and subsurface flow paths. The study reac
Authors
Carleton R. Bern, Rachel G. Gidley

Trophic transfer of fipronil residues to black-footed ferrets: Implications for ferret safety, flea control, and plague mitigation

Sylvatic plague, caused by the flea-borne bacterium Yersinia pestis, is an invasive disease in North America that causes reductions of native fauna and transforms ecosystems. Fipronil baits have shown promise in reducing flea loads on prairie dogs Cynomys spp. for plague mitigation. Many species depend on prairie dogs and their ecological influences, including the black-footed ferret Mustela nigri
Authors
Tyler N. Tretten, David A. Eads, John P. Hughes, Gregory P. Dooley, Dean E. Biggins

High genetic diversity, low population genetic structure, strong natal philopatry, and longevity revealed in the Black Swift (Cypseloides niger borealis)

Genetic diversity is a critical cornerstone of biodiversity and is a central goal in management and conservation biology. Such diversity has implications for survivability, adaptability, and resiliency of a species. This study aimed to determine levels of genetic diversity and population genetic structure in the Northern Black Swift (Cypseloides niger borealis). This species nests across western N
Authors
Carolyn Gunn, Kim Potter, Jennifer A. Fike, Sara J. Oyler-McCance

Predicted occurrence and abundance habitat suitability of invasive plants in the contiguous United States: Updates for the INHABIT web tool.

Invasive plant species have substantial negative ecological and economic impacts. Geographic information on the potential and actual distributions of invasive plants is critical for their effective management. For many regions, numerous sources of predictive geographic information exist for invasive plants, often in the form of outputs from species distribution models (SDMs). The creation of a rep
Authors
Catherine S. Jarnevich, Peder Engelstad, Demetra A. Williams, Keana S. Shadwell, Cameron J. Reimer, Grace Henderson, Janet S. Prevéy, Ian Pearse

Database of surface water diversion sites and daily withdrawals for the upper Colorado River Basin, 1980–2022

The Colorado River drains about 8% of the conterminous United States, provides water for 40 million people, and is one of the most overallocated rivers in the world. As the upper Colorado River Basin (UCOL) contributes an estimated 92% of the total basin natural streamflow, knowledge of the location and amount of surface water withdrawals in the UCOL is important for managing the Colorado River sy
Authors
Samuel Francisco Lopez, Jacob E. Knight, Fred D. Tillman, Melissa D. Masbruch, Daniel Wise, Casey J.R. Jones, Matthew P. Miller

Brittle regime slip partitioned damage and deformation mechanisms along the eastern Denali fault zone in southwestern, Yukon

Rare bedrock exposures of the eastern Denali fault zone in southwestern Yukon allow for the measurement, sampling, and analyses of brittle regime fault slip data and deformation mechanisms to explore relations to far field, oblique plate motions. Host rock lithologies and associated slip surfaces show episodic damage zone‐related deformation and calcite ± hematite ± chlorite related hydrothermal f
Authors
Jonathan Caine, Omero F. Orlandini, Frederick W. Vollmer, Heather A. Lowers

Three-dimensional temperature maps of the Williston Basin, USA: Implications for deep hot sedimentary and enhanced geothermal resources

As part of U.S. Geological Survey's (USGS) efforts to identify and assess geothermal energy resources of the US, a three-dimensional (3D) geologic and thermal model has been constructed for the Williston Basin, USA. The geologic model consists of all sedimentary units above the Proterozoic and Archean crystalline rock (called basement herein), with a total sedimentary thickness of up to 5 km near
Authors
Sarah E. Gelman, Erick R. Burns

Urban tick exposure on Staten Island is higher in pet owners

Over the past decade, Lyme and other tick-borne diseases have expanded into urban areas, including Staten Island, New York. While Lyme disease is often researched with a focus on human risk, domestic pets are also at risk of contracting the disease. The present study aims to describe differences in tick exposure, knowledge, attitude, and practices (KAP) between pet owners and non-owners, and to un
Authors
Noriko Tamari, Kacey C. Ernst, Aaron Joey Enriquez, Maria A. Diuk-Wasser, Maria P. Fernandez, Kevin Berry, Mary H. Hayden

Environmental Flows for Riverine EcoSystem Habitats (E-FRESH) decision support tool user guide

The E-FRESH decision support tool is intended to facilitate assessment and comparison of different flow management scenarios on available habitat for various aquatic, riparian, and invertebrate species of interest. This tool also allows users to conduct a variety of analyses ranging from large-scale data processing and export to detailed and complex flow scenario manipulation around water rights a
Authors
Tyler Wible, Christopher Holmquist-Johnson, Heidi Klingel, Ryan R. Morrison, David Merritt, Matthew Korsa

The chlorine evolution of arc magmas and the crustal water filter

Degassing of water from magmatic systems is key to transporting metals from magmas to form ore deposits, but elements like chlorine, through the formation of anion complexes, can be important in solubilizing and mobilizing these metals into water-rich fluids. Reconstructing the Cl systematics of evolving magmas is thus an important step towards understanding the origins of ore deposits, but the ma
Authors
Jackson Stone Borchardt, Cin-Ty Lee

Spread and frequency of explosive silicic volcanism of the Carpathian-Pannonian Region during Early Miocene: Clues from the SW Pannonian Basin and the Dinaridesion during Early Miocene: clues from the SW Pannonian Basin and the Dinarides

Explosive silicic volcanism of the Carpathian-Pannonian Region (CPR) is increasingly recognized as the primary source of tephra across the Alpine-Mediterranean region during the Early and Middle Miocene. However, the tephrostratigraphic framework for this period of volcanic activity is still incomplete. We present new multi-proxy data from Lower Miocene ignimbrites and tephra fallout deposits from
Authors
Mihovil Brlek, Nina Trinajstić, Sean Patrick Gaynor, Steffen Kutterolf, Folkmar Hauff, Julie Schindlbeck-Belo, Sanja Šuica, Kuo-Lung Wang, Hao-Yang Lee, Elena Watts, Svetoslav V. Georgiev, Vlatko Brčić, Marko Špelić, Ivan Mišur, Duje Kukoč, Blair Schoene, Réka Lukács

Assessment of undiscovered conventional oil and gas resources in the Norphlet Formation, U.S. Gulf Coast region, 2023

Using a geology-based assessment methodology, the U.S. Geological Survey (USGS) estimated undiscovered, technically recoverable mean resources of 16 million barrels of oil and 348 billion cubic feet of gas in conventional reservoirs of the Norphlet Formation in the U.S. Gulf Coast region.
Authors
John W. Counts, William H. Craddock, Jared T. Gooley, Marc Buursink, Tracey J. Mercier, Cheryl A. Woodall, Christopher J. Schenk
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