Groundwater, surface-water, and water-chemistry data from C-aquifer monitoring program, northeastern Arizona, 2005-11

Brown, Christopher R.; Macy, Jamie P.

doi:10.3133/ofr20121196

Cited by 5 publications

(8 citation statements)

References 3 publications

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“…This could be an illustration of the complex hydrogeology of the aquifers underlying the Navajo Nation. The C aquifer and N aquifers, named for the Coconino sandstone and Navajo sandstone respectively, generally produce high quality water (Brown and Macy, 2012). The C aquifer is found throughout much of the Navajo Nation, while the N aquifer is found primarily in the central area of Navajo near the Hopi Indian Reservation (Macy et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

Spatial clustering of metal and metalloid mixtures in unregulated water sources on the Navajo Nation – Arizona, New Mexico, and Utah, USA

Hoover

Coker

Barney

et al. 2018

Science of The Total Environment

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Contaminant mixtures are identified regularly in public and private drinking water supplies throughout the United States; however, the complex and often correlated nature of mixtures makes identification of relevant combinations challenging. This study employed a Bayesian clustering method to identify subgroups of water sources with similar metal and metalloid profiles. Additionally, a spatial scan statistic assessed spatial clustering of these subgroups and a human health metric was applied to investigate potential for human toxicity. These methods were applied to a dataset comprised of metal and metalloid measurements from unregulated water sources located on the Navajo Nation, in the southwest United States. Results indicated distinct subgroups of water sources with similar contaminant profiles and that some of these subgroups were spatially clustered. Several profiles had metal and metalloid concentrations that may have potential for human toxicity including arsenic, uranium, lead, manganese, and selenium. This approach may be useful for identifying mixtures in water sources, spatially evaluating the clusters, and help inform toxicological research investigating mixtures.

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Section: Discussionmentioning

confidence: 99%

Spatial clustering of metal and metalloid mixtures in unregulated water sources on the Navajo Nation – Arizona, New Mexico, and Utah, USA

Hoover

Coker

Barney

et al. 2018

Science of The Total Environment

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“…The three power plants are Cholla Power Generating Plant in Joseph City, Coronado Generation Station near St. Johns, and Springerville Generation Station in Springerville. Brown and Macy (2012) noted another user, a large paper mill near Snowflake, which has since closed and ceased water usage.…”

Section: Groundwater Usementioning

confidence: 99%

“…Unlike the previous two models described, this model does not use refined grid spacing, potentially resulting in less accuracy. Brown and Macy (2012) presents monitoring data from a study of the St. Johns to Flagstaff I-40 corridor area beginning in 2005 in cooperation with the Bureau of Indian Affairs (BIA). The report includes WY 2005 to WY 2011 groundwater levels from 35 C-aquifer wells, surface-water discharge data from three now-discontinued streamflow-gaging stations, comprehensive water-chemistry analyses from selected well sites and surface-water sites, and water-quality field parameters and discharge measurements from four baseflow investigations conducted on reaches of Clear Creek, Chevelon Creek, and the Little Colorado River.…”

Section: Previous Investigationsmentioning

confidence: 99%

“…To address these concerns, the U.S. Geological Survey (USGS), in cooperation with the Navajo Nation (2005-present) and the City of Flagstaff (2012-present), developed a long-term plan for the C aquifer to monitor groundwater and surfacewater conditions in the area. Groundwater, surface-water, and water-quality data collected from the beginning of water year (WY) 2005 through the end of WY 2011 are presented in Brown and Macy (2012). This report presents data through the end of WY 2019.…”

Section: Introductionmentioning

confidence: 99%

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Groundwater and surface-water data from the C-aquifer monitoring program, Northeastern Arizona, 2012–2019

Jones¹,

Robinson²

2021

Open-File Report

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For an overview of USGS information products, including maps, imagery, and publications, visit https://store.usgs.gov. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.

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“…Possible future effects of groundwater withdrawal on base flow derived from groundwater discharge near Winslow are indeterminate, as are natural variations in recharge. A recent monitoring study on Chevelon and Clear Creeks was too brief to observe base-flow trends in these tributaries (Brown and Macy, 2012).…”

Section: Regional Setting and Study Areamentioning

confidence: 99%

Historical channel-planform change of the Little Colorado River near Winslow, Arizona

Block¹

2014

Scientific Investigations Report

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprodTo order this and other USGS information products, visit http://store.usgs.gov Suggested citation: Block, Debra, 2014, Historical channel-planform change of the Little Colorado River near Winslow, Arizona: U.S. Geological Survey Scientific Investigations Report 2014-5112, 24 p., 2 plates, http://dx.doi.org/10.3133/ sir20145112. ISSN 2328-0328 (online) Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner. iii AcknowledgmentsThis study was conducted with the permission of the Navajo Nation Department of Minerals, the Navajo Nation Water Management Branch, and the Leupp and Birdsprings Chapters of the Navajo Nation. Access to the Winslow levee was granted by Trent Larson of Navajo County. The staff of Homolovi State Park graciously allowed access to the river channel adjacent to the park. Tammy Rittenour of the Utah State University's Luminescence Laboratory analyzed the optically stimulated luminescence signals from late Pleistocene terraces adjacent to the study area ( fig. 1) AbstractThis study evaluates channel-planform adjustment on an alluvial reach of the Little Colorado River and documents the geomorphic evolution of the channel through an analysis of aerial photographs and orthophotographs for the period 1936-2010. The Little Colorado River has adjusted to the effects of an extreme flood in 1923 and a subsequent decline in peak discharge and mean annual flow by channel narrowing: the channel width and area of the river have decreased by approximately 90 percent over the study period. Although deposition historically exceeds erosion, lateral migration exacerbates localized erosion, particularly near hydraulic controls. Despite repeated cutoff and avulsion, the Little Colorado River has steadily increased in length and sinuosity over a period of 74 years.Changes in temperature and precipitation are likely affecting the discharge of the Little Colorado River near and downstream of Winslow, Ariz. Nonparametric methods of trend detection determine whether the probability distribution of temperature, precipitation, and peak streamflow has changed over time. Time-series plots of temperature and precipitation show statistically significant trends at the 99-percent-confidence level when evaluated with a Mann-Kendall test. An increasing trend was indicated in mean daily minimum air temperature (T min ), whereas decreasing trends were indicated in both annual precipitation (P ann ) and monsoon-season...

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Groundwater, surface-water, and water-chemistry data from C-aquifer monitoring program, northeastern Arizona, 2005-11

Cited by 5 publications

References 3 publications

Spatial clustering of metal and metalloid mixtures in unregulated water sources on the Navajo Nation – Arizona, New Mexico, and Utah, USA

Spatial clustering of metal and metalloid mixtures in unregulated water sources on the Navajo Nation – Arizona, New Mexico, and Utah, USA

Groundwater and surface-water data from the C-aquifer monitoring program, Northeastern Arizona, 2012–2019

Historical channel-planform change of the Little Colorado River near Winslow, Arizona

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