Flow System Analysis Of The Madison And Minnelusa Aquifers In The Rapid City Area South Dakota PDF Download
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Author | : Andrew J. Long |
Publisher | : |
Total Pages | : 114 |
Release | : 2002 |
Genre | : Government publications |
ISBN | : |
Download Flow-system Analysis of the Madison and Minnelusa Aquifers in the Rapid City Area, South Dakota Book in PDF, ePub and Kindle
Author | : Andrew J. Long |
Publisher | : |
Total Pages | : 0 |
Release | : 2002 |
Genre | : Groundwater flow |
ISBN | : |
Download Flow-system Analysis of the Madison and Minnelusa Aquifers in the Rapid City Area, South Dakota-conceptual Model Book in PDF, ePub and Kindle
Author | : Jonathan D.R.G. McKaskey |
Publisher | : |
Total Pages | : 112 |
Release | : 2013 |
Genre | : Black Hills (S.D. and Wyo.) |
ISBN | : |
Download Hydrogeologic Framework for the Madison and Minnelusa Aquifers in the Black Hills Area Book in PDF, ePub and Kindle
More than 50 percent of the public drinking water systems and more than 90 percent of the population in South Dakota rely solely on groundwater. This dependence on groundwater raises important questions regarding the Madison and Minnelusa aquifers in and near the Black Hills of South Dakota, including groundwater availability, the effects of water use or drought, mixing of regional flow and local recharge, and the effects of capture zones of springs and wells on the groundwater-flow system. These questions are best addressed with a three-dimensional numerical groundwater-flow model that includes the entire Black Hills area. In preparation for such a model, a three-dimensional hydrogeologic framework was constructed for the Black Hills and surrounding area. The study area includes approximately 60,000 square miles, extending approximately 150 miles from the center of the Black Hills in all directions. Structural-contour maps, potentiometric maps, and summaries of aquifer properties presented in this report will enhance groundwater modeling of the Madison and Minnelusa aquifers on a regional scale and allow for more realistic modeling of boundary conditions on a local, site-specific scale. Structural-contour maps and well logs quantifying the top and bottom altitudes of the Madison and Minnelusa aquifers were aggregated from numerous previous investigations to construct continuous surfaces defining the hydrogeologic framework. The primary challenge in this aggregation was that structural-contour maps from different sources frequently were inconsistent for overlapping areas, usually as a result of varying resolution in spatial data. For these inconsistencies, a systematic workflow was developed to determine which source was most accurate or reliable and would be used in the final aggregation. Potentiometric maps delineating the hydraulic head of the Madison and Minnelusa aquifers are a result of aggregating numerous previous investigations using a method similar to the construction of the structural-contour maps, with modifications based on additional groundwater-level measurements. The data were combined to construct continuous surfaces defining the regional potentiometric surface for the Madison and Minnelusa aquifers. The Minnelusa aquifer potentiometric map is largely similar to recent publications. The Madison aquifer potentiometric map enhances understanding of a trough, or valley-shaped feature, in the potentiometric surface extending from Rapid City through Philip and eastward. This trough was previously identified by Downey in U.S. Geological Survey Professional Paper 1402-E but not shown in many other recent publications. Aquifer properties, including hydraulic conductivity, transmissivity, and storage coefficient, also were summarized from 40 wells for which estimates were available from various types of aquifer tests. Hydraulic ranged from [2x10-3] ft/day to 113.62 ft/day for the Madison aquifer and from 0.36 ft/day to 24.43 ft/day for the Minnelusa aquifer. Storage coefficient values derived from pumping tests ranged from [1x1O-7] to [2x10-3] for the Madison aquifer and from [7x10-5] to [2x10-3] for the Minnelusa aquifer.
Author | : |
Publisher | : DIANE Publishing |
Total Pages | : 146 |
Release | : |
Genre | : |
ISBN | : 9781422325667 |
Download Characterization of groundwater flow and water quality for the Madison and Minnelusa aquifers in northern Lawrence County, South Dakota Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 786 |
Release | : 2002 |
Genre | : Hydrology |
ISBN | : |
Download Water-resources Investigations Report Book in PDF, ePub and Kindle
Author | : Earl A. Greene |
Publisher | : |
Total Pages | : 68 |
Release | : 1993 |
Genre | : Geophysical well logging |
ISBN | : |
Download Hydraulic Properties of the Madison Aquifer System in the Western Rapid City Area, South Dakota Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 68 |
Release | : 2001 |
Genre | : Government publications |
ISBN | : |
Download Hydrologic Budgets for the Madison and Minnelusa Aquifers, Black Hills of South Dakota and Wyoming, Water Years 1987-96 Book in PDF, ePub and Kindle
Author | : Cheryl A. Naus |
Publisher | : |
Total Pages | : 130 |
Release | : 2001 |
Genre | : Geochemistry |
ISBN | : |
Download Geochemistry of the Madison and Minnelusa Aquifers in the Black Hills Area, South Dakota Book in PDF, ePub and Kindle
Author | : Yongli Gao |
Publisher | : Geological Society of America |
Total Pages | : 318 |
Release | : 2016-01-28 |
Genre | : Science |
ISBN | : 081372516X |
Download Caves and Karst Across Time Book in PDF, ePub and Kindle
"Knowledge and understanding of cave and karst systems have evolved dramatically since the creation of the Geological Society of America in 1888. This book, which came out of a session during GSA's 2013 Annual Meeting, highlights the changes in the study and application of cave and karst systems since GSA's origin, while looking ahead to future advancements"--
Author | : Geological Survey (U.S.) |
Publisher | : |
Total Pages | : 392 |
Release | : 2003 |
Genre | : Geology |
ISBN | : |
Download New Publications of the Geological Survey Book in PDF, ePub and Kindle