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Karst Aquifer Modeling In North Central Florida
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Book Synopsis Karst Aquifer Modeling in North-Central Florida by : Ronald T. Green
Download or read book Karst Aquifer Modeling in North-Central Florida written by Ronald T. Green and published by . This book was released on 2008 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Civil and Coastal Engineering Department at the University of Florida was retained by the St. Johns River Water Management District (SJRWMD) to evaluate the dynamic hydraulic response of a karst aquifer in north-central Florida using innovative analyses and quantitative tools. This project was motivated by the need of the SJRWMD to manage water resource caution areas (i.e., areas where existing or future anticipated water resources are deemed insufficient to satisfy current or projected demands over a 20-year planning period) (St. Johns River Water Management District, 2005a, b; Kinser et al., 2006). The area of interest is the springshed that provides for Blue Spring in Volusia County in northeast Florida. The University of Florida retained Southwest Research Institute® in this investigative endeavor. The critical components of the assessment include an evaluation to determine whether MODFLOW-DCM Version 2.0 (Painter et al., 2007) improves existing models, whether the improvements adequately capture the hydraulic dynamics of the karst groundwater flow system, and whether these are useful in groundwater resource management. MODFLOW-DCM is an innovative numerical simulator designed to account for the dynamic interaction between diffuse and conduit flow inherent in karst aquifers. This evaluation also determined whether MODFLOW-DCM could simulate the hydraulic response of a karst aquifer in which conduits are poorly located and characterized."--Introduction.
Book Synopsis The Relationship Between Specific Conductivity and Flow Paths in a Karst Aquifer, North-central Florida by : Abigail L. Langston
Download or read book The Relationship Between Specific Conductivity and Flow Paths in a Karst Aquifer, North-central Florida written by Abigail L. Langston and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Observe conduit water flowing in significant quantities to the water table, as indicated by the monitoring results. The model was constructed using input parameters based on published total porosities, hydraulic conductivities calculated for this study, and gradients from collected water level data. The major parameter adjusted in the modeling was effective porosity. Reducing the effective porosity mimics a small conduit or preferential flow path, and allows water to move faster along the water table. The results of this study alter conceptual models about how allogenic recharge flows through a karst aquifer and the role of the water table as a dynamic area of water flow. This study also emphasizes the contamination risk to karst aquifers. Contaminants have ample access to the unconfined Floridan Aquifer through diffuse recharge as well as point source contamination. If the higher hydraulic conductivity and lower effective porosity along the water table is a common feature, it would provide transport paths for the rapid flow of contaminants.
Book Synopsis Hydrogeologic Investigation and Simulation of Ground-water Flow in the Upper Floridan Aquifer of North-central Florida and Southwestern Georgia and Delineation of Contributing Areas for Selected City of Tallahassee, Florida, Water-supply Wells by : Hal Davis
Download or read book Hydrogeologic Investigation and Simulation of Ground-water Flow in the Upper Floridan Aquifer of North-central Florida and Southwestern Georgia and Delineation of Contributing Areas for Selected City of Tallahassee, Florida, Water-supply Wells written by Hal Davis and published by . This book was released on 1996 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Karst Systems of Florida by : Sam Upchurch
Download or read book The Karst Systems of Florida written by Sam Upchurch and published by Springer. This book was released on 2018-09-29 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the geology, hydrogeology, and water quality/geochemistry of karst systems in geologically young terrain, using the state of Florida as an example. Also discussed are sinkhole-development models; sinkhole risk; eogenetic karst features developed in rocks as young as 125,000 years and as old as 65 million years; and karst landscapes of Florida, including regional geology and geomorphology with important examples of karst features, such as springs, sinkholes, caves, and other karst landforms. The eogenetic karst of Florida is largely covered and this book extensively discusses the interactions of karst processes with sand- and clay-rich cover materials.
Download or read book Karst Modeling written by Arthur Palmer and published by Karst Waters Institute. This book was released on 1999-02-01 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the symposium held February 24 through 27, 1999, Charlottesville, Virginia
Book Synopsis Modeling Wastewater Indicators and Effects of Contaminant Removal Strategies on Groundwater and Spring Discharge in a Karst Aquifer by : Erin M. Reed
Download or read book Modeling Wastewater Indicators and Effects of Contaminant Removal Strategies on Groundwater and Spring Discharge in a Karst Aquifer written by Erin M. Reed and published by . This book was released on 2016 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this model is to understand groundwater and spring water quality throughout the VBS springshed. Water quality and model results indicate that water from the surficial aquifer in surrounding urban areas contributed to the flow and water quality at the spring's boil. Protection scenarios that included wetland treatment systems and the conversion of targeted septic systems to sewer were simulated to estimate future reductions of anthropogenic nutrients transported to the Spring. Of the scenarios evaluated in this study, targeted septic system removal results in the greatest benefit with a 36% nitrate decrease in a forty-year projection of spring discharge water quality. Results from this combined water quality and model development approach is expected to contribute an understanding of anthropogenic impacts from the urbanized developments overlying and surrounding the karst VBS aquifer.
Book Synopsis A Method for Evaluating Water-level Response to Hydrologic Stresses in Karstic Wetlands in Central Florida, Using a Simple Water-balance Model by : E. R. German
Download or read book A Method for Evaluating Water-level Response to Hydrologic Stresses in Karstic Wetlands in Central Florida, Using a Simple Water-balance Model written by E. R. German and published by . This book was released on 1997 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: TANK.DAT: a sample of the data file required for running the model.
Book Synopsis North-central Florida Active Water-table Regional Groundwater Flow Model by : Louis H. Motz
Download or read book North-central Florida Active Water-table Regional Groundwater Flow Model written by Louis H. Motz and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents how the flow model simulates the effects that increased groundwater pumpage in north-central Florida will have on water levels in the surficial aquifer system and the upper Florida aquifer, groundwater system water budgets and spring flows.
Book Synopsis Vellum Commission of Edmund D. Chapman to Brevet Major by :
Download or read book Vellum Commission of Edmund D. Chapman to Brevet Major written by and published by . This book was released on 1866 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Document is signed by Edwin Stanton and Andrew Johnson. In the top left in purple ink, it reads, "Recorded Volume 4. Page 144. Adjutant Generals Office, May 10, 1866. E.D. Townsend Asst. Adjt. Genl.". There is a seal affixed with a pencil notation in the bottom left.
Book Synopsis Modeling Flow and Nitrate Transport in Karst Groundwater Basins by : Yuan Gao
Download or read book Modeling Flow and Nitrate Transport in Karst Groundwater Basins written by Yuan Gao and published by . This book was released on 2020 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the groundwater flow in karst aquifers and the effect of best management practices (BMPs) on nitrate decrease in spring discharge is critical for effective management and protection of karst water resources. However, the control on the conduit network’s impacts on spring discharge and nitrate concentration is not fully understood, and the cumulative effects of BMP on reducing nitrate in karst groundwater systems have not been evaluated at the basin scale. In this dissertation, a coupled Conduit Flow Process (CFPv2) and Conduit Mass Three-Dimensional (CMT3D) model was applied to evaluate the biosorption-activated media (BAM)-based BMP on nitrate removal in Silver Springs in Florida. It is found that the effect of BMP by implementing BAM blanket filters in twenty-six stormwater retention basins is limited; whereas, for implementing BAM blanket filters in 50% of the urban area, the nitrate-N concentration in spring discharge would be decreased by 10.7% in a normal hydrologic year. The controls on the contribution of conduit flow to spring discharge are evaluated. For aquifer with turbulent flow in a single conduit, the effects of three dimensionless numbers (Reynolds number, relative surface roughness, and hydraulic conductivity ratio) and recharge on conduit flow contribution are quantified. Moreover, the effects of conduit geometry and density on conduit flow contribution are evaluated for conduit networks. Finally, the prediction of long-term average discharge in ungauged basins is assessed for improving recharge estimation.
Book Synopsis Application of Nonlinear Least-squares Regression to Ground-water Flow Modeling, West-central Florida by : D. K. Yobbi
Download or read book Application of Nonlinear Least-squares Regression to Ground-water Flow Modeling, West-central Florida written by D. K. Yobbi and published by . This book was released on 2000 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogeology and Groundwater Modeling, Second Edition by : Neven Kresic
Download or read book Hydrogeology and Groundwater Modeling, Second Edition written by Neven Kresic and published by CRC Press. This book was released on 2006-10-26 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coupling the basics of hygrogeology with analytical and numerical modeling methods, Hydrogeology and Groundwater Modeling, Second Edition provides detailed coverage of both theory and practice. Written by a leading hydrogeologist who has consulted for industry and environmental agencies and taught at major universities around the world, this unique book fills a gap in the groundwater hydrogeology literature. With more than 40 real-world examples, the book is a source for clear, easy-to-understand, and step-by-step quantitative groundwater evaluation and contaminant fate and transport analysis, from basic laboratory determination to complex analytical calculations and computer modeling. It provides more than 400 drawings, graphs, and photographs, and a variety of useful tables of all key groundwater parameters, as well as lucid, straightforward answers to common hydrogeological problems. Reflecting nearly ten years of new scholarship since the publication of the bestselling first edition, this second edition is wider in focus with added and updated examples, figures, and problems, yet still provides information in the author's trademark, user-friendly style. No other book offers such carefully selected examples and clear, elegantly explained solutions. The inclusion of step-by-step solutions to real problems builds a knowledge base for understanding and solving groundwater issues.
Book Synopsis North-central Florida Regional Ground-water Investigation and Flow Model by : Louis H. Motz
Download or read book North-central Florida Regional Ground-water Investigation and Flow Model written by Louis H. Motz and published by . This book was released on 1995 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implications of Groundwater Plume Transport and Analysis of Karst Aquifer Characteristics in Central Florida by : Daljit Sandhu
Download or read book Implications of Groundwater Plume Transport and Analysis of Karst Aquifer Characteristics in Central Florida written by Daljit Sandhu and published by . This book was released on 2019 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: A karst conduit network was simulated for the Silver Springs springshed, based on obtained potentiometric head data. Implementing information on aquifer chemistry and fracture geometry resulted in a unique realization of a karst network. During this process, flow rates change direction, inducing backflow, which can have implications on groundwater resources. Overall, an improved understanding of karst processes can aid in better characterizing conduit flow patterns and improve water resources management.
Book Synopsis Regional Groundwater Flow Modeling for East-central Florida with Emphasis on Eastern and Central Orange County by : T. Neil Blandford
Download or read book Regional Groundwater Flow Modeling for East-central Florida with Emphasis on Eastern and Central Orange County written by T. Neil Blandford and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Enhanced Characterization and Representation of Flow Through Karst Aquifers by : Scott L. Painter
Download or read book Enhanced Characterization and Representation of Flow Through Karst Aquifers written by Scott L. Painter and published by American Water Works Association. This book was released on 2006 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research report summaries and details the first year of work on a multi-year karst modeling project organized to develop enhanced groundwater modeling capabilities that can be used to effectively manage karst aquifers. Discussed are the three key considerations for modeling karst systems were identified: representation of conduits in flow models, representation of flow dynamics in conduits, and representation of partially filled conduits and the numerical experiments used to identify the limitations and advantages of the three general representations of conduits within groundwater models. A new dual-conductivity MODFLOW-2000 package (DCM) was developed for testing the dual-conductivity approach. A turbulence model was added, the software was validated using simple benchmark problems, and code documentation was completed. Simultaneous demonstrations showed that the modeling tool can be successfully applied in complex applications.
Book Synopsis Scientific Investigations Report by : Sharon E. Kroening
Download or read book Scientific Investigations Report written by Sharon E. Kroening and published by . This book was released on 2004 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
