Performance And Blank Components Of A Mass Spectrometric System For Routine Measurement Of Helium Isotopes And Tritium By The 3he Ingrowth Method
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Performance And Blank Components Of A Mass Spectrometric System For Routine Measurement Of Helium Isotopes And Tritium By The 3he Ingrowth Method
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Author : Reinhold Bayer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Performance And Blank Components Of A Mass Spectrometric System For Routine Measurement Of Helium Isotopes And Tritium By The 3he Ingrowth Method written by Reinhold Bayer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
For future studies of oceanic circulation it is necessary to develop the tritium measurement via 3He ingrowth into a routine procedure with a high capacity for efficient use. This paper attempts to demonstrate that this can be achieved using a commercial helium isotope mass spectrometer and special procedures for sample preparation, storage for 3He ingrowth, and 3He transfer from the ingrowth containers into the mass spectrometer. This method allows for measurement with a much higher precision and lower detection limit than is possible with counting techniques. Additionally, the parameters and blanks in routine operation of the system are discussed.
Environmental Radionuclides
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Author : Klaus Froehlich
language : en
Publisher: Elsevier
Release Date : 2009-09-23
Environmental Radionuclides written by Klaus Froehlich and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-23 with Science categories.
Environmental Radionuclides presents a state-of-the-art summary of knowledge on the use of radionuclides to study processes and systems in the continental part of the Earth’s environment. It is conceived as a companion to the two volumes of this series, which deal with isotopes as tracers in the marine environment (Livingston, Marine Radioactivity) and with the radioecology of natural and man-made terrestrial systems (Shaw, Radioactivity in Terrestrial Ecosystems). Although the book focuses on natural and anthropogenic radionuclides (radioactive isotopes), it also refers to stable environmental isotopes, which in a variety of applications, especially in hydrology and climatology, have to be consulted to evaluate radionuclide measurements in terms of the ages of groundwater and climate archives, respectively. The basic principles underlying the various applications of natural and anthropogenic radionuclides in environmental studies are described in the first part of the book. The book covers the two major groups of applications: the use of radionuclides as tracers for studying transport and mixing processes: and as time markers to address problems of the dynamics of such systems, manifested commonly as the so-called residence time in these systems. The applications range from atmospheric pollution studies, via water resource assessments to contributions to global climate change investigation. The third part of the book addresses new challenges in the development of new methodological approaches, including analytical methods and fields of applications. A state-of-the-art summary of knowledge on the use of radionuclides Conceived as a companion to the two volumes of this series, which deal with isotopes as tracers
Groundwater Age
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Author : Gholam A. Kazemi
language : en
Publisher: John Wiley & Sons
Release Date : 2006-06-30
Groundwater Age written by Gholam A. Kazemi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-06-30 with Science categories.
Groundwater Age is the first book of its kind that incorporates and synthesizes the state-of-the-art knowledge about the business of groundwater dating - including historical development, principles, applications, various methods, and likely future progress in the concept. It is a well-organized, advanced, clearly written resource for all the professionals, scientists, graduate students, consultants, and water sector managers who deal with groundwater and who seek a comprehensive treatment of the subject of groundwater age.
Geochemical Characterization Of Ground Water Flow In The Santa Fe Group Aquifer System Middle Rio Grande Basin New Mexico
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Author :
language : en
Publisher:
Release Date : 2004
Geochemical Characterization Of Ground Water Flow In The Santa Fe Group Aquifer System Middle Rio Grande Basin New Mexico written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Government publications categories.
Water Resources Investigations Report
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Author :
language : en
Publisher:
Release Date : 2003
Water Resources Investigations Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Hydrology categories.
Water Resources Investigations Report
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Author : Bernard N. Lenz
language : en
Publisher:
Release Date : 2003
Water Resources Investigations Report written by Bernard N. Lenz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Explosives categories.
Modern Hydrology And Sustainable Water Development
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Author : S. K. Gupta
language : en
Publisher: John Wiley & Sons
Release Date : 2011-06-13
Modern Hydrology And Sustainable Water Development written by S. K. Gupta and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-13 with Science categories.
The material of this book will derive its scientific under-pinning from basics of mathematics, physics, chemistry, geology, meteorology, engineering, soil science, and related disciplines and will provide sufficient breadth and depth of understanding in each sub-section of hydrology. It will start with basic concepts: Water, its properties, its movement, modelling and quality The distribution of water in space and time Water resource sustainability Chapters on ‘global change’ and ‘water and ethics’ aim respectively to emphasize the central role of hydrological cycle and its quantitative understanding and monitoring for human well being and to familiarize the readers with complex issues of equity and justice in large scale water resource development process. Modern Hydrology for Sustainable Development is intended not only as a textbook for students in earth and environmental science and civil engineering degree courses, but also as a reference for professionals in fields as diverse as environmental planning, civil engineering, municipal and industrial water supply, irrigation and catchment management.
Antarctic Journal Of The United States
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Author :
language : en
Publisher:
Release Date : 1997
Antarctic Journal Of The United States written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Antarctica categories.
Novel Techniques For Investigating Recharge To The Memphis Aquifer
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Author : Randy Gentry
language : en
Publisher: American Water Works Association
Release Date : 2006
Novel Techniques For Investigating Recharge To The Memphis Aquifer written by Randy Gentry and has been published by American Water Works Association this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Nature categories.
This study of recharge mechanisms to the Memphis aquifer in Shelby County, Tennessee, sought to develop better tools to enhance MLG&W's capabilities in managing water resources of the Memphis aquifer and improve sourcewater protection. The specific objective of the study was to develop a better understanding of the magnitude and impact of recharge through windows in the upper Claiborne confining layer. The study was successful in describing in more detail the flow behavior and unique age distribution characterization at this shallow aquifer. The combined tools used to study the window site have resulted in a new proposed hydrostratigraphic conceptual model for the site explaining the most probable genesis of the window as well as groundwater flow patterns in and around the window. Includes CD.
Submarine Groundwater
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Author : Igor S. Zektser
language : en
Publisher: CRC Press
Release Date : 2006-09-29
Submarine Groundwater written by Igor S. Zektser and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-29 with Science categories.
Sustainable management of water resources is quickly increasing in importance on a global scale. An important piece of the puzzle is the characterization of marine water and determining its importance to geochemical budgets. To do this, submarine groundwater discharges must be carefully studied. Comprehensively exploring the subject, Submarine G