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Author : Murray Close
Publisher :
ISBN 13 : 9781927234723
Total Pages : 30 pages
Book Rating : 4.2/5 (347 download)
Download or read book Using Shallow Groundwater Quality Data to Assess Impacts of Land Use written by Murray Close and published by . This book was released on 2012 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lauren E. Hay
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (31 download)
Download or read book Effects of Land-use Buffer Size on Spearman's Partial Correlations of Land Use and Shallow Ground-water Quality written by Lauren E. Hay and published by . This book was released on 1990 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Saad
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (121 download)
Download or read book Effects of Land Use and Geohydrology on the Quality of Shallow Ground Water in Two Agricultural Areas in the Western Lake Michigan Drainages, Wisconsin written by David A. Saad and published by . This book was released on 1997 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D. Stoner
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ground-water Age Dating and Other Tools Used to Assess Land-use Effects on Water Quality written by J. D. Stoner and published by . This book was released on 1997 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Kronvang
Publisher : MDPI
ISBN 13 : 3039435035
Total Pages : 248 pages
Book Rating : 4.0/5 (394 download)
Download or read book Land Use and Water Quality written by Brian Kronvang and published by MDPI. This book was released on 2020-11-18 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of 11 papers introduces broad topics covering various professional disciplines related to the research arena of land use and water quality. The papers exemplify the important links between agriculture and water quality in surface and ground waters as well as the pollution problems around urban areas. Advancement of new technologies for analyzing links between land use and water quality problems as well as insights into new tools for analyzing large monitoring datasets are highlighted in this collection of papers.
Author :
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 (91 download)
Download or read book Effects of Land Use and Hydrogeology on the Water Quality of Alluvial Aquifers in Eastern Iowa and Southern Minnesota, 1997 written by and published by . This book was released on 2000 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David A. Saad
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.3/5 (243 download)
Download or read book Effects of Land Use and Geohydrology on the Quality of Shallow Ground Water written by David A. Saad and published by . This book was released on 1997 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis R. Helsel
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (91 download)
Download or read book Evaluation of Regional Ground-water Quality in Relation to Land Use written by Dennis R. Helsel and published by . This book was released on 1984 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William M. Alley
Publisher : John Wiley & Sons
ISBN 13 : 9780471284536
Total Pages : 662 pages
Book Rating : 4.2/5 (845 download)
Download or read book Regional Ground-Water Quality written by William M. Alley and published by John Wiley & Sons. This book was released on 1993-06-15 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ground water serves as the main source of drinking water for 50% of the United States as a whole—and for 97% of rural populations, in particular. In addition to public concern with point sources of contamination, such as landfills and hazardous waste disposal sites, current attention has now come to focus on the overall quality of ground-water resources. Regional Ground-Water Quality offers the first detailed guidance for conducting ground-water quality investigations in a regional context. This exceptional volume combines hydrogeologic and geochemical principles, as well as statistical principles, within a unique conceptual framework that helps readers produce efficient, meaningful, and successful ground-water assessments. Regional Ground-Water Quality will be a valuable resource when first approaching a regional-scale study and when designing specific regional-scale studies. Throughout the book, topics emphasize the value of studying regional ground-water quality at multiple spatial and temporal scales. Up-to-date coverage of essential processes and methodologies includes: multi-scale design concepts for regional ground-water quality studies the fate and transport of organic and inorganic materials, including nitrates, pesticides, pathogens, acid precipitation, natural radionuclides, saltwater intrusion, and problems in karst aquifers basic concepts of organic and inorganic chemistry a review of environmental isotopes and geochemical modeling statistical concepts for ground-water quality surveys and geostatistical analysis the effects of surface-water/ground-water interactions on ground-water quality the relationship between ground-water quality and land use regional geochemistry principles Readers will be brought completely up to date with the latest research in ground-water assessments, such as novel methods for dating young ground water, including the use of CFCs, tritium/helium-3, and krypton-85. The book also examines the uses of organic compounds as time and source markers, ground-water vulnerability analyses, applications of subsurface microbiology at the regional scale, and design of well-water surveys. Invaluable case studies drawn from international projects graphically demonstrate concepts discussed in the book. These case studies describe successful regional ground-water assessment efforts conducted in various areas and include a look at the uses and limitations of existing ground-water quality data. A first-of-its-kind resource, Regional Ground-Water Quality will be essential reading for scientists and engineers in hydrology, water resources, agricultural sciences, and environmental sciences. It will also be of interest to engineers and R&D personnel in government, industry, and private consulting, as well as to professionals involved with the design and interpretation of studies.
Author : Sonia Claus
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)
Download or read book Using Monitoring Data to Assess Groundwater Quality and Potential Environmental Impacts written by Sonia Claus and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Usdi Hem
Publisher :
ISBN 13 : 9788172330125
Total Pages : 0 pages
Book Rating : 4.3/5 (31 download)
Download or read book Study and Interpretation of the Chemical Characteristics of Natural Water written by D. Usdi Hem and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael T. Koterba
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (121 download)
Download or read book Ground-water Data-collection Protocols and Procedures for the National Water-Quality Assessment Program written by Michael T. Koterba and published by . This book was released on 1998 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shoaib Rashid Saleem
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)
Download or read book Impacts of Future Climate and Agricultural Land Use Changes on Groundwater Nitrate Concentrations in Southern Ontario written by Shoaib Rashid Saleem and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Contamination of groundwater by nitrate is a critical concern in agricultural subwatersheds in southern Ontario. Groundwater quality may further deteriorate due to socio-economic pressures and extreme future climate change conditions. The focus of this study was to assess the impacts of future climate changes and potential changes in agricultural land use on groundwater nitrate concentrations. Three research sites with contrasting hydrogeological settings, located in agricultural subwatersheds, were investigated: Norfolk County, Guelph, and Acton. The Norfolk (sandy aquifer) and Guelph (fractured bedrock aquifer) sites were examined in the most detail. Two different vadose zone models, DRAINMOD-NII and RZWQM2, were evaluated to select the most suitable model to represent the soil conditions encountered in southern Ontario. The selected vadose zone model, RZWQM2, was used to quantify the shallow nitrate concentrations and leaf area index (LAI) under different crop types. These data were used as input to fully integrated numerical models, developed using HydroGeoSphere software, for groundwater flow and contaminant transport for both sites. The HydroGeoSphere models were calibrated and validated for the 2014-2016 period using field data collected at both sites. Following calibration of the groundwater models, three different climate change models (2040-2059) and three different crop rotations (corn-soybean, continuous corn, corn-soybean-winter wheat-red clover) were applied (i.e., nine scenarios for each site) to evaluate the potential impact of future climate changes on groundwater quality. The selected climate change scenarios yielded less water availability for hydrologic processes. There was less impact on groundwater elevations at the Norfolk site compared to the Guelph site. The nitrate concentrations were lower significantly during the future period at both sites. However, the continuous corn land use scenario had much higher nitrate concentrations compared to base case scenario (corn-soybean rotation). Further, the best management practices (BMP) scenario (corn-soybeans-winter wheat-red clover rotation) produced significantly lower groundwater nitrate concentrations at both research sites. BMPs, such as the crop rotation tested herein, should be adopted to reduce the potential negative impacts of future climate change on groundwater quality, especially in vulnerable fractured bedrock aquifer settings and shallow sandy aquifers. These findings are important for water and land managers in agricultural settings, to mitigate future impacts of nutrient transport on groundwater quality under a changing climate.
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.3/5 (91 download)
Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1988 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Edzer J. Pebesma
Publisher : Koninklijk Nederlands Aardrijks
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.F/5 ( download)
Download or read book Mapping Groundwater Quality in the Netherlands written by Edzer J. Pebesma and published by Koninklijk Nederlands Aardrijks. This book was released on 1996 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anthony J Jakeman
Publisher : Springer
ISBN 13 : 3319235761
Total Pages : 756 pages
Book Rating : 4.3/5 (192 download)
Download or read book Integrated Groundwater Management written by Anthony J Jakeman and published by Springer. This book was released on 2016-08-05 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to document for the first time the dimensions and requirements of effective integrated groundwater management (IGM). Groundwater management is a formidable challenge, one that remains one of humanity’s foremost priorities. It has become a largely non-renewable resource that is overexploited in many parts of the world. In the 21st century, the issue moves from how to simply obtain the water we need to how we manage it sustainably for future generations, future economies, and future ecosystems. The focus then becomes one of understanding the drivers and current state of the groundwater resource, and restoring equilibrium to at-risk aquifers. Many interrelated dimensions, however, come to bear when trying to manage groundwater effectively. An integrated approach to groundwater necessarily involves many factors beyond the aquifer itself, such as surface water, water use, water quality, and ecohydrology. Moreover, the science by itself can only define the fundamental bounds of what is possible; effective IGM must also engage the wider community of stakeholders to develop and support policy and other socioeconomic tools needed to realize effective IGM. In order to demonstrate IGM, this book covers theory and principles, embracing: 1) an overview of the dimensions and requirements of groundwater management from an international perspective; 2) the scale of groundwater issues internationally and its links with other sectors, principally energy and climate change; 3) groundwater governance with regard to principles, instruments and institutions available for IGM; 4) biophysical constraints and the capacity and role of hydroecological and hydrogeological science including water quality concerns; and 5) necessary tools including models, data infrastructures, decision support systems and the management of uncertainty. Examples of effective, and failed, IGM are given. Throughout, the importance of the socioeconomic context that connects all effective IGM is emphasized. Taken as a whole, this work relates the many facets of effective IGM, from the catchment to global perspective.
Author : Carmen A. Burton
Publisher : CreateSpace
ISBN 13 : 9781500267667
Total Pages : 96 pages
Book Rating : 4.2/5 (676 download)
Download or read book Status and Understanding of Groundwater Quality in the South Coast Range-Coastal Study Unit, 2008 written by Carmen A. Burton and published by CreateSpace. This book was released on 2014-08-01 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater quality in the approximately 653-square-mile (1,691-square-kilometer) South Coast Interior Basins (SCI) study unit was investigated as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The South Coast Interior Basins study unit contains eight priority groundwater basins grouped into three study areas, Livermore, Gilroy, and Cuyama, in the Southern Coast Ranges hydrogeologic province. The GAMA Priority Basin Project is being conducted by the California State Water Resources Control Board in collaboration with the U.S. Geological Survey (USGS) and the Lawrence Livermore National Laboratory. The GAMA South Coast Interior Basins study was designed to provide a spatially unbiased assessment of untreated (raw) groundwater quality within the primary aquifer system, as well as a statistically consistent basis for comparing water quality between basins. The assessment was based on water-quality and ancillary data collected by the USGS from 50 wells in 2008 and on water-quality data from the California Department of Public Health (CDPH) database. The primary aquifer system was defined by the depth intervals of the wells listed in the CDPH database for the SCI study unit. The quality of groundwater in the primary aquifer system may be different from that in the shallower or deeper water-bearing zones; shallow groundwater may be more vulnerable to surficial contamination. The first component of this study, the status of the current quality of the groundwater resource, was assessed by using data from samples analyzed for volatile organic compounds (VOCs), pesticides, and naturally occurring inorganic constituents, such as trace elements and minor ions. This status assessment is intended to characterize the quality of groundwater resources within the primary aquifer system of the SCI study unit, not the treated drinking water delivered to consumers by water purveyors. Relative-concentrations (sample concentration divided by the health- or aesthetic-based benchmark concentration) were used for evaluating groundwater quality for those constituents that have Federal or California regulatory or non-regulatory benchmarks for drinking-water quality. A relative-concentration greater than 1.0 indicates a concentration greater than a benchmark, and a relative-concentration less than or equal to 1.0 indicates a concentration equal to or less than a benchmark. Relative-concentrations of organic constituents and special-interest constituents were classified as "high" (relative-concentration greater than 1.0), "moderate" (relative-concentration greater than 0.1 and less than or equal to 1.0), or "low" (relative-concentration less than or equal to 0.1). Relative-concentrations of inorganic constituents were classified as "high" (relative-concentration greater than 1.0), "moderate" (relative-concentration greater than 0.5 and less than or equal to 1.0), or "low" (relative-concentration less than or equal to 0.5).
