Simulation of groundwater flow, 1895–2010, and effects of additional groundwater withdrawals on future stream base flow in the Elkhorn and Loup River Basins, central Nebraska—Phase three

Flynn, Amanda T.; Stanton, Jennifer S.

doi:10.3133/sir20185106

Cited by 3 publications

(6 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In the BGMA, Pleistoceneage fluvial deposits often overlie Pliocene-age Broadwater Formation deposits (Hobza and others, 2012;Stanton, 2013). Distinguishing the age of some of these deposits is difficult, if not impossible (Condon, 2005); as such, these deposits are referred to as Plio-Pleistocene in age by some researchers (Gosselin, 1991;Hobza and others, 2012;Stanton, 2013;Flynn and Stanton, 2018), but are called Pliocene-Pleistocene sand and gravel in this study. These fluvial deposits can be as much as 50 m thick and are hydrologically connected with the underlying Ogallala Formation (Gosselin, 1991;Hobza and others, 2012).…”

Section: Geologic Settingmentioning

confidence: 79%

“…1) is included with the major rivers shown in the University of Nebraska-Lincoln map (Conservation and Survey Division, University of Nebraska-Lincoln, 2008); however, Bazile Creek was omitted. The base flow patterns of Bazile Creek and other streams were simulated and analyzed by Flynn and Stanton (2018). Results indicated that Bazile Creek is a gaining stream through much of its length nearly doubling base flow from the Bazile Creek at Center, Nebr.…”

Section: Groundwater Conditionsmentioning

confidence: 99%

“…1) to the Bazile Creek near Niobrara, Nebr. (USGS station number 06466500; not shown on any maps) streamgage, which is near the confluence of the Bazile Creek with the Niobrara River (Flynn and Stanton, 2018).…”

Section: Groundwater Conditionsmentioning

confidence: 99%

See 2 more Smart Citations

Interpretation of hydrogeologic data to support groundwater management, Bazile Groundwater Management Area, northeast Nebraska, 2019—A case demonstration of the Nebraska Geocloud

Hobza¹,

Steele²

2020

Scientific Investigations Report

View full text Add to dashboard Cite

show abstract

Section: Geologic Settingmentioning

confidence: 79%

Section: Groundwater Conditionsmentioning

confidence: 99%

See 1 more Smart Citation

Interpretation of hydrogeologic data to support groundwater management, Bazile Groundwater Management Area, northeast Nebraska, 2019—A case demonstration of the Nebraska Geocloud

Hobza¹,

Steele²

2020

Scientific Investigations Report

View full text Add to dashboard Cite

show abstract

“…The Ogallala Formation varies greatly in particle size and physical character over short distances (Cannia and others, 2006). The maximum thickness of the Ogallala Formation is about 984 ft (Hobza and others, 2012;Flynn and Stanton, 2018). Sediments of the Ogallala Formation form the thickest part of the Northern High Plains aquifer.…”

Section: Hydrogeologymentioning

confidence: 99%

Groundwater availability of the Northern High Plains aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming

Peterson¹,

Traylor²,

Guira³

2020

Professional Paper

View full text Add to dashboard Cite

Cover. Upper illustration: Conceptual diagram showing average annual simulated water budget inflows and outflows by source and the amount of water in storage in the Northern High Plains aquifer for 2000-9. Example from figure 11B of this report. Lower right illustration: Map showing distribution of precipitation for the Northern High Plains aquifer for the 2009 growing season. Example from figure 2C of this report. Background photograph: Center-pivot irrigated cornfield near Ord, Nebraska, taken by J.P. Traylor, U.S. Geological Survey. Back cover. Map of the conterminous United States showing the High Plains aquifer.

show abstract

“…Streams in the Loup River Basin are sensitive to groundwater withdrawals because of the close hydrologic connection between groundwater and surface water (Flynn and Stanton, 2018). The Upper Loup and Lower Loup Natural Resources Districts (NRDs) have recently approved the South Loup Watershed Management Plan (JEO Consulting Group, Inc., 2017) to guide the implementation of future projects intended to improve water quality and address water sustainability concerns.…”

Section: Introductionmentioning

confidence: 99%

Age and water-quality characteristics of groundwater discharge to the South Loup River, Nebraska, 2019

Hobza¹,

Solder²

2022

Scientific Investigations Report

View full text Add to dashboard Cite

Streams in the Loup River Basin are sensitive to groundwater withdrawals because of the close hydrologic connection between groundwater and surface water. The U.S. Geological Survey, in cooperation with the Upper Loup and Lower Loup Natural Resources Districts, and the Nebraska Environmental Trust, studied the age and water-quality characteristics of groundwater near the South Loup River to assess the possible effects of a multiyear drought on streamflow.Groundwater sampled in wells screened in Quaternary-age deposits displayed a wide range of mean ages (27 to 2,100 years), fraction modern, and susceptibility index values. Groundwater with higher concentrations of chloride and higher specific conductance was indicative of younger groundwater with a narrower age distribution and is more sensitive to climatic disturbances such as short-term drought conditions, based on the calculated susceptibility index. Groundwater samples from wells and springs in Pliocene-age deposits were categorized into two groups with different geochemical and age characteristics. One sample group of springs and wells, called the Western Pliocene, had higher concentrations of chloride and nitrate with young mean ages (18 to 77 years) and narrow age distributions. Groundwater in the Western Pliocene sample group is susceptible to short-term drought. In contrast, the other sample group from Pliocene-age deposits to the east (called Pliocene) had lower concentrations of nitrate, chloride, and mean groundwater ages ranging from 1,900 to 2,900 years old and is less likely to be affected by short-term drought conditions. Groundwater sampled from three wells screened in the Ogallala Formation was shown to have the oldest mean ages ranging from 8,700 to 23,000 years and the lowest calculated susceptibility index values observed in this study. Strong upward hydraulic gradients measured in wells indicated that groundwater from the Ogallala Formation is likely contributing to streamflow of the South Loup River.Continuously measured gage height and specific conductance data indicated groundwater discharge from Quaternary-age deposits was highly responsive to precipitation events. In contrast, groundwater discharge from Pliocene-age deposits (Pliocene sample group) was far less responsive, indicating groundwater discharge from Pliocene-age deposits is likely more resilient to short-term drought conditions.

show abstract

Simulation of groundwater flow, 1895–2010, and effects of additional groundwater withdrawals on future stream base flow in the Elkhorn and Loup River Basins, central Nebraska—Phase three

Cited by 3 publications

References 1 publication

Interpretation of hydrogeologic data to support groundwater management, Bazile Groundwater Management Area, northeast Nebraska, 2019—A case demonstration of the Nebraska Geocloud

Interpretation of hydrogeologic data to support groundwater management, Bazile Groundwater Management Area, northeast Nebraska, 2019—A case demonstration of the Nebraska Geocloud

Groundwater availability of the Northern High Plains aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming

Age and water-quality characteristics of groundwater discharge to the South Loup River, Nebraska, 2019

Contact Info

Product

Resources

About