A Bayesian Geostatistical Approach To The Design Of Adaptive Sampling Programs PDF Download
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Author | : RL. Johnson |
Publisher | : |
Total Pages | : 15 |
Release | : 1996 |
Genre | : Adaptive sampling program |
ISBN | : |
Download A Bayesian/Geostatistical Approach to the Design of Adaptive Sampling Programs Book in PDF, ePub and Kindle
Traditional approaches to the delineation of subsurface contamination extent are costly and time consuming. Recent advances in field screening technologies present the possibility for adaptive sampling programs--programs that adapt or change to reflect sample results generated in the field. A coupled Bayesian/geostatistical methodology can be used to guide adaptive sampling programs. A Bayesian approach quantitatively combines "soft" information regarding contaminant location with "hard" sampling results. Soft information can include historical information, non-intrusive geophysical survey data, preliminary transport modeling results, past experience with similar sites, etc. Soft information is used to build an initial conceptual image of where contamination is likely to be. As samples are collected and analyzed, indicator kriging is used to update the initial conceptual image. New sampling locations are selected to minimize the uncertainty associated with contaminant extent. An example is provided that illustrates the methodology.
Author | : Shahrokh Rouhani |
Publisher | : ASTM International |
Total Pages | : 281 |
Release | : 1996 |
Genre | : Environmental geology |
ISBN | : 0803124147 |
Download Geostatistics for Environmental and Geotechnical Applications Book in PDF, ePub and Kindle
Author | : R. L. Johnson |
Publisher | : |
Total Pages | : |
Release | : 2005 |
Genre | : |
ISBN | : |
Download Bayesian Approaches for Adaptive Spatial Sampling Book in PDF, ePub and Kindle
BAASS (Bayesian Approaches for Adaptive Spatial Sampling) is a set of computational routines developed to support the design and deployment of spatial sampling programs for delineating contamination footprints, such as those that might result from the accidental or intentional environmental release of radionuclides. BAASS presumes the existence of real-time measurement technologies that provide information quickly enough to affect the progress of data collection. This technical memorandum describes the application of BAASS to a simple example, compares the performance of a BAASS-based program with that of a traditional gridded program, and explores the significance of several of the underlying assumptions required by BAASS. These assumptions include the range of spatial autocorrelation present, the value of prior information, the confidence level required for decision making, and ''inside-out'' versus ''outside-in'' sampling strategies. In the context of the example, adaptive sampling combined with prior information significantly reduced the number of samples required to delineate the contamination footprint.
Author | : |
Publisher | : |
Total Pages | : 17 |
Release | : 1995 |
Genre | : |
ISBN | : |
Download A Bayesian Book in PDF, ePub and Kindle
Traditional approaches to the delineation of subsurface contamination extent are costly and time consuming. Recent advances in field screening technologies present the possibility for adaptive sampling programs--programs that adapt or change to reflect sample results generated in the field. A coupled Bayesian/geostatistical methodology can be used to guide adaptive sampling programs. A Bayesian approach quantitatively combines ''soft'' information regarding contaminant location with ''hard'' sampling results. Soft information can include historical information, non-intrusive geophysical survey data, preliminary transport modeling results, past experience with similar sites, etc. Soft information is used to build an initial conceptual image of where contamination is likely to be. As samples are collected and analyzed, indicator kriging is used to update the initial conceptual image. New sampling locations are selected to minimize the uncertainty associated with contaminant extent. An example is provided that illustrates the methodology.
Author | : David M. Nielsen |
Publisher | : CRC Press |
Total Pages | : 1330 |
Release | : 2005-09-28 |
Genre | : Technology & Engineering |
ISBN | : 1420032240 |
Download Practical Handbook of Environmental Site Characterization and Ground-Water Monitoring Book in PDF, ePub and Kindle
Published in 1991, the first edition of The Practical Handbook of Ground-Water Monitoring quickly became the gold standard reference on the topic of ground-water monitoring. But, as in all rapidly evolving fields, regulations change, technology advances, methods improve, and research reveals flaws in prior thinking. As a consequence, books t
Author | : |
Publisher | : |
Total Pages | : 972 |
Release | : 1997 |
Genre | : Environmental management |
ISBN | : |
Download The Office of Environmental Management Technical Reports Book in PDF, ePub and Kindle
Author | : Pascal Monestiez |
Publisher | : Springer Science & Business Media |
Total Pages | : 541 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401008108 |
Download geoENV III — Geostatistics for Environmental Applications Book in PDF, ePub and Kindle
This volume contains selected contributions from geoENV III - the Third European Conference on Geostatistics for Environmental Sciences, held in Avignon, France in November 2000. This third book of the geoENV series illustrates the new methodological developments in geostatistics, as applied to environmental sciences, which have occurred during the last two years. It also presents a wide variety of practical environmental applications which will be of interest to both researchers and practitioners. The book starts with two keynote papers on hydrogeology and on climatology and atmospheric pollution, followed by forty contributions. The content of this book is foremost practical. The editors have endeavored to compile a set of papers in which the readers could perceive how geostatistics is applied within environmental sciences. A few selected methodological and theoretical contributions are also included. The papers are organised in the following sections: Air Pollution / Climate; Environment; Health / Ecology; Hydrology; Methods; Soil Science / Site Remediation. presenting applications varying from delineation of hazardous areas, monitoring water quality, space-time modeling of sand beaches, areal rainfall estimation, air pollution monitoring, multivariate conditional simulation, soil texture analysis, fish abundance analysis, tree productivity index estimation, radionuclide migration analysis, wombling procedure, tracer tests modeling, direct sequential co-simulation to stochastic modeling of flow and transport. Audience: This publication will be of great interest and practical value to geostatisticians working both in academia and in industry.
Author | : Steven K. Thompson |
Publisher | : Wiley-Interscience |
Total Pages | : 296 |
Release | : 1996-06-07 |
Genre | : Mathematics |
ISBN | : |
Download Adaptive Sampling Book in PDF, ePub and Kindle
Offering a viable solution to the long-standing problem of estimating the abundance of rare, clustered populations, adaptive sampling designs are rapidly gaining prominence in the natural and social sciences as well as in other fields with inherently difficult sampling situations. In marked contrast to conventional sampling designs, in which the entire sample of units to be observed is fixed prior to the survey, adaptive sampling strategies allow for increased sampling intensity depending upon observations made during the survey. For example, in a survey to assess the abundance of a rare animal species, neighboring sites may be added to the sample whenever the species is encountered during the survey. In an epidemiological survey of a contagious or genetically linked disease, sampling intensity may be increased whenever prevalence of the disease is encountered. Written by two acknowledged experts in this emerging field, this book offers researchers their first comprehensive introduction to adaptive sampling. An ideal reference for statisticians conducting research in survey designs and spatial statistics as well as researchers working in the environmental, ecological, public health, and biomedical sciences. Adaptive Sampling: Provides a comprehensive, fully integrated introduction to adaptive sampling theory and practice Describes recent research findings Introduces readers to a wide range of adaptive sampling strategies and techniques Includes numerous real-world examples from environmental pollution studies, surveys of rare animal and plant species, studies of contagious diseases, marketing surveys, mineral and fossil-fuel assessments, and more
Author | : Fritz Stauffer |
Publisher | : |
Total Pages | : 540 |
Release | : 2000 |
Genre | : Groundwater |
ISBN | : 9781901502367 |
Download Calibration and Reliability in Groundwater Modelling Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 88 |
Release | : 1996 |
Genre | : Nuclear energy |
ISBN | : |
Download Logos Book in PDF, ePub and Kindle