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Author :
Publisher : DIANE Publishing
ISBN 13 : 1428902236
Total Pages : 59 pages
Book Rating : 4.4/5 (289 download)
Download or read book Statistical estimation and visualization of groundwater contamination data written by and published by DIANE Publishing. This book was released on with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Statistical Estimation and Visualization of Ground-water Contamination Data written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book STATISTICAL ESTIMATION AND VISUALIZATION OF GROUND-WATER CONTAMINATION DATA... EPA/600/R-00/034... U.S. ENVIRONMENTAL PROTECTION AGENCY... A. written by and published by . This book was released on 2001* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D.R. Helsel
Publisher : Elsevier
ISBN 13 : 0080875084
Total Pages : 539 pages
Book Rating : 4.0/5 (88 download)
Download or read book Statistical Methods in Water Resources written by D.R. Helsel and published by Elsevier. This book was released on 1993-03-03 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data on water quality and other environmental issues are being collected at an ever-increasing rate. In the past, however, the techniques used by scientists to interpret this data have not progressed as quickly. This is a book of modern statistical methods for analysis of practical problems in water quality and water resources. The last fifteen years have seen major advances in the fields of exploratory data analysis (EDA) and robust statistical methods. The 'real-life' characteristics of environmental data tend to drive analysis towards the use of these methods. These advances are presented in a practical and relevant format. Alternate methods are compared, highlighting the strengths and weaknesses of each as applied to environmental data. Techniques for trend analysis and dealing with water below the detection limit are topics covered, which are of great interest to consultants in water-quality and hydrology, scientists in state, provincial and federal water resources, and geological survey agencies. The practising water resources scientist will find the worked examples using actual field data from case studies of environmental problems, of real value. Exercises at the end of each chapter enable the mechanics of the methodological process to be fully understood, with data sets included on diskette for easy use. The result is a book that is both up-to-date and immediately relevant to ongoing work in the environmental and water sciences.
Author : Robert D. Gibbons
Publisher : John Wiley & Sons
ISBN 13 : 9780471587071
Total Pages : 306 pages
Book Rating : 4.5/5 (87 download)
Download or read book Statistical Methods for Groundwater Monitoring written by Robert D. Gibbons and published by John Wiley & Sons. This book was released on 1994-08-02 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the statistical methods used to analyze the huge volume of data that groundwater monitoring wells produce in a comprehensive manner accessible to engineers and scientists who may not have a strong background in statistics. In addition, the book provides statistical methods to make the most accurate use of the data and shows how to set up an effective monitoring system.
Author :
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.3/5 (121 download)
Download or read book Statistical Analysis of Ground-water Monitoring Data at RCRA Facilities written by and published by . This book was released on 1989 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert D. Gibbons
Publisher : John Wiley & Sons
ISBN 13 : 0470549920
Total Pages : 402 pages
Book Rating : 4.4/5 (75 download)
Download or read book Statistical Methods for Groundwater Monitoring written by Robert D. Gibbons and published by John Wiley & Sons. This book was released on 2009-10-08 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new edition of the most comprehensive overview of statistical methods for environmental monitoring applications Thoroughly updated to provide current research findings, Statistical Methods for Groundwater Monitoring, Second Edition continues to provide a comprehensive overview and accessible treatment of the statistical methods that are useful in the analysis of environmental data. This new edition expands focus on statistical comparison to regulatory standards that are a vital part of assessment, compliance, and corrective action monitoring in the environmental sciences. The book explores quantitative concepts useful for surface water monitoring as well as soil and air monitoring applications while also maintaining a focus on the analysis of groundwater monitoring data in order to detect environmental impacts from a variety of sources, such as industrial activity and waste disposal. The authors introduce the statistical properties of alternative approaches, such as false positive and false negative rates, that are associated with each test and the factors related to these error rates. The Second Edition also features: An introduction to Intra-laboratory Calibration Curves and random-effects regression models for non-constant measurement variability Coverage of statistical prediction limits for a gamma-distributed random variable, with a focus on estimation and testing of parameters in environmental monitoring applications A unified treatment of censored data with the computation of statistical prediction, tolerance, and control limits Expanded coverage of statistical issues related to laboratory practice, such as detection and quantitation limits An updated chapter on regulatory issues that outlines common mistakes to avoid in groundwater monitoring applications as well as an introduction to the newest regulations for both hazardous and municipal solid waste facilities Each chapter provides a general overview of a problem, followed by statistical derivation of the solution and a relevant example complete with computational details that allow readers to perform routine application of the statistical results. Relevant issues are highlighted throughout, and recommendations are also provided for specific problems based on characteristics such as number of monitoring wells, number of constituents, distributional form of measurements, and detection frequency. Statistical Methods for Groundwater Monitoring, Second Edition is an excellent supplement to courses on environmental statistics at the upper-undergraduate and graduate levels. It is also a valuable resource for researchers and practitioners in the fields of biostatistics, engineering, and the environmental sciences who work with statistical methods in their everyday work.
Author : Jessica Warrack
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Geospatial and Statistical Analysis of Anthropogenic Groundwater Contamination written by Jessica Warrack and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "We use geospatial and statistical analysis to identify areas where there may be gaps in current legislation that protects aquifers and to identify anthropogenic contamination sources and pathways. Specifically, we focus on phosphorus (P) concentrations in groundwater and total dissolved solids (TDS) concentrations in groundwater in California. The results obtained from the analysis of these datasets can be used to guide sustainable water and ecosystem management policies and inform future groundwater monitoring efforts. Excess P in surface waters is a main driver of eutrophication, but P monitoring in groundwater is often overlooked because it was historically assumed that P is immobile in groundwater. To examine the risk P in groundwater poses to surface waters and ecosystems, we compile and analyze 161,321 groundwater P measurements from 12 different countries. We find that all 12 countries report groundwater P concentrations high enough to potentially cause ongoing or continued eutrophication in sur-face waters. Additionally, in Canada and the United States, we find that 93% of total P (TP) samples are found within 50 km of crop/pastureland. We also find a correlation between distance from the closest oil and gas well and elevated TP concentrations in the Canadian provinces of Alberta and Ontario. We focus on these provinces because there is a high density of oil and gas wells and of TP concentrations >0.1 mg P/L. These case studies indicate the need to further investigate the role of agriculture and oil and gas wells on groundwater impacts by P and other contaminants. The global da-ta synthesis shows that there are many data gaps limiting our ability to assess groundwater P contamination, including their sources and pathways. Understanding the sources and pathways for groundwater contamination is important for sustainable groundwater management practices and protection. Total dissolved solids (TDS) concentrations represent minerals, salts, metals cations, or anions dissolved in water and is often taken as an indicator for overall ground-water quality. We use 216,754 total dissolved solids (TDS) concentration measurements in groundwater in California, United States, to examine the effectiveness of cur-rent groundwater legislation with respect to the base of fresh water (BFW), which is commonly used to identify the vertical extent to which aquifers are subject to ground-water management in the state. The definition for "fresh" water varies between regulating bodies but is generally taken to range from 1,000 to 3,000 mg/L. We analyze trends in the TDS dataset and find that we cannot estimate the BFW in 73% of California. We are able to estimate the BFW in 22% of the Central Valley, a key agricultural region with large groundwater demands and many critically overdrafted ground-water basins. Using a TDS limit of 3,000 mg/L, we estimate the shallowest BFW to be 155 m below ground surface in Kern County and the deepest BFW to be 589 m below ground surface in Stanislaus County. Our analysis demonstrates that geospatial and statistical analysis are useful for managing and analyzing groundwater contamination data. Specifically, there are opportunities for enhanced and strategic management and monitoring of groundwater, focusing on P and TDS. Currently, limitations in the availability of groundwater quality data make the delineation of usable groundwater and the extent of groundwater contamination challenging to identify. Moreover, implementing groundwater management that simultaneously considers and balances impacts of agricultural and oil and gas activities is needed. The results from this thesis can be used to design data-driven groundwater management programs and strategies that protect groundwater re-sources around the world"--
Author :
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.3/5 (121 download)
Download or read book Groundwater Monitoring Survey written by and published by . This book was released on 1985 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jennifer Savoie
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.3/5 (121 download)
Download or read book Water-quality Data and Methods of Analysis for Samples Collected Near a Plume of Sewage-contaminated Ground Water, Ashumet Valley, Cape Cod, Massachusetts, 1993-94 written by Jennifer Savoie and published by . This book was released on 1998 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elizabeth G. Nielsen
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (121 download)
Download or read book The Magnitude and Costs of Groundwater Contamination from Agricultural Chemicals written by Elizabeth G. Nielsen and published by . This book was released on 1987 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Suzanne Lesage
Publisher : CRC Press
ISBN 13 : 9780824787202
Total Pages : 568 pages
Book Rating : 4.7/5 (872 download)
Download or read book Groundwater Contamination and Analysis at Hazardous Waste Sites written by Suzanne Lesage and published by CRC Press. This book was released on 1992-08-13 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference describes investigations of the fate of toxic chemicals emanating from hazardous waste sites and contaminating groundwater, discussing the hydrogeochemistry at US, Canadian, Australian, and German sites to reflect the different approaches used around the world.;Written by over 30 international experts in the field, Groundwater Contamination and Analysis at Hazardous Waste Sites: presents case histories spanning 30 years of activities by the United States Geological Survey's Organics in Water project, including studies of pesticide, munition, and wood preservative residues contaminating groundwater; outlines the U.S. Environmental Protection Agency's SW-846 methods of analysis for groundwater samples taken at hazardous waste sites; details the analytical requirements for qualitative surveys, regulatory compliance, and research programs; examines the use of statistics at site investigations and waste disposal facilities as well as data interpretation techniques such as multivariate plots; covers the application of a portable gas chromatograph in studying a vapor-phase plume of trichloroethylene, giving tips about problems that may lead to variability in the data; and explores dense nonaqueous-phase liquid dissolution using Raoult's law, biotransformation of the dissolved constituents, and their sorption to aquifer materials.;Extensively illustrated with more than 250 figures, tables, and display equations, Groundwater Contamination and Analysis at Hazardous Waste Sites is a practical tool for pollution control and environmental engineers, hydrogeologists, analytical chemists, and upper-level undergraduate and graduate students in these disciplines.
Author :
Publisher : DIANE Publishing
ISBN 13 : 1422331202
Total Pages : 72 pages
Book Rating : 4.4/5 (223 download)
Download or read book Environmental Decision Support Software written by and published by DIANE Publishing. This book was released on with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309034418
Total Pages : 191 pages
Book Rating : 4.3/5 (9 download)
Download or read book Groundwater Contamination written by National Research Council and published by National Academies Press. This book was released on 1984-01-01 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: And ConclusionsReferences; III METHODS OF WASTE DISPOSAL ; 4 Shallow Land Burial of Municipal Wastes; Introduction; Leachate Characteristics; Gas Production; Hydrogeologic Criteria; Unsaturated Flow; Site Size; Water Balance; Trench Covers; Trench Liners; Monitoring; Monitoring Methodology; Verification of Contamination; Conclusions; References; 5 Deep Burial Of Toxic Wastes; Introduction; Methods of Disposal; Advantages and Disadvantages of Deep Burial; A Hypothetical Repository; Hydrogeologic Properties of Rocks at Depth; General Data from Wells and Test Holes; Geochemical Evidence.
Author : G. Jousma
Publisher : Springer Science & Business Media
ISBN 13 : 9400923015
Total Pages : 640 pages
Book Rating : 4.4/5 (9 download)
Download or read book Groundwater Contamination: Use of Models in Decision-Making written by G. Jousma and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: The protection of groundwater resources has emerged in recent years as a high priority topic on the agenda of many countries. In responding to the growing concern over deteriorating groundwater quality, many countries are developing a comprehensive regulatory framework for the management of subsurface water resources with management referring to both quantity and quality aspects. Within this framework, groundwater models are rapidly coming to playa central role in the development of protection and rehabilitation strategies. These models provide forecasts of the future state of the groundwater aquifer systems and/or the unsaturated zone in response to proposed management initiatives. For example, models will predict the effects of implementing a proposed management scheme on water levels and on the transport and fate of pollutants. The models are now used in the formulation of policies and regulations, the issuing of permits, design of monitoring and data collection systems, and the development of enforcement actions. The growth in the use of these sophisticated tools has led to many unforeseen problems in groundwater management. Lingering issues include reliability of codes, quality assurance in model development and applications, efficient utiliza tion of human and material resources, technology transfer and training. Some issues have legal ramifications, as in cases where the applications of models have been contested in courts.
Author : John H. Cushman
Publisher : CRC Press
ISBN 13 : 1498703054
Total Pages : 1092 pages
Book Rating : 4.4/5 (987 download)
Download or read book The Handbook of Groundwater Engineering written by John H. Cushman and published by CRC Press. This book was released on 2016-11-25 with total page 1092 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition adds several new chapters and is thoroughly updated to include data on new topics such as hydraulic fracturing, CO2 sequestration, sustainable groundwater management, and more. Providing a complete treatment of the theory and practice of groundwater engineering, this new handbook also presents a current and detailed review of how to model the flow of water and the transport of contaminants both in the unsaturated and saturated zones, covers the protection of groundwater, and the remediation of contaminated groundwater.
Author : D.T. Chapman
Publisher : Springer Science & Business Media
ISBN 13 : 9400919603
Total Pages : 363 pages
Book Rating : 4.4/5 (9 download)
Download or read book Statistical Methods for the Assessment of Point Source Pollution written by D.T. Chapman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of a workshop, 'Statistical Methods for the Assess ment of Point Source Pollution', held September 12-14, 1988, at the Canada Centre for Inland Waters in Burlington, Ontario, Canada. The objectives of the workshop were to: a) advance the art, science, and application of statistical methods to current water quality issues by stimulating discussions and disseminating ideas and information. The emphasis was on statistical problems associated with monitor ing and controlling discharges from industries and municipalities and assessing the impact of these discharges on receiving water quality, b) provide a forum for managers, engineers, scientists, and statisticians to present and discuss techniques for evaluating water quality data and planning monitoring activities, c) provide a published state-of-the art summary of the application of statistical methods for the assessment of point source discharges and their impact on water qUality. The papers contained in this volume cover a number of topics that are of concern not only for monitoring and assessing point source pollution but also for other environmental problems.
