Download or read book Isotopes of Helium Hydrogen and Carbon as Groundwater Tracers in Aquifers Along the Colorado River written by Samuel Ainsworth Haber and published by . This book was released on 2009 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Isotopes of hydrogen, carbon, helium, and neon in groundwater from 20 wells in the Lower Colorado River Valley (LCRV) are presented, with the aim of determining the age and mixing characteristics of the groundwater. Groundwaters from thirteen wells have measurable tritium and young 14C ages, suggesting mixing with at least a portion of recently-recharged (post-1952) groundwater. Groundwaters from the other seven wells are characterized as many thousands of years old and lack discernible tritium, which indicates no mixing with younger water. Carbon-14 ages of the groundwater indicate flow is away from the river (i.e. a leaking river). Dissolved helium concentrations were resolved into components associated with solubility equilibration, air entrainment, mantle-derivation, in-situ production within the aquifer, and extraneous crustal fluxes. Helium concentrations from the 20 groundwaters range from 0.55 to 69.8 x 10−7 cm3 STP g−1 H20, or from close to air-equilibration values to 100-times saturation, with corresponding 3He/4He ratios falling between 5.07 and 0.17 times the atmospheric value. This large range of values is indicative of the two extreme types of groundwater : (1) young, tritium-rich waters and (2) old, 4He-rich waters. A whole crustal He flux, averaging 3x10−8 cm3 STP cm−2 year−1, was determined by constraining the 4He ages to match the 14C ages. A presence of mantle gases in which at least 1.4% of the helium is derived from a mantle flux is significant because the aquifers are at least 75 km from the San Andreas Fault Complex.

Download or read book Environmental Tracers written by Trevor Elliot and published by MDPI. This book was released on 2018-10-08 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Environmental Tracers" that was published in Water

Download or read book Environmental Isotopes in Hydrogeology written by Ian D. Clark and published by CRC Press. This book was released on 2013-11-20 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater is an increasingly important resource to human populations around the world, and the study and protection of groundwater is an essential part of hydrogeology - the subset of hydrology that concentrates on the subsurface. Environmental isotopes, naturally occurring nuclides in water and solutes, have become fundamental tools for tracing

Download or read book Analysis of Carbon Isotopes Determination of Ground water Age and Estimated Characteristics of the Contaminant Source at Two Fuel spill Plumes Western Cape Cod Massachusetts 1996 written by Jennifer Savoie and published by . This book was released on 1999 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water Quality and Environmental Isotopic Analyses of Ground water Samples Collected from the Wasatch and Fort Union Formations in Areas of Coalbed Methane Development written by Timothy T. Bartos and published by . This book was released on 2002 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Use of Environmental Tracers and Isotopes to Evaluate Sources of Water Nitrate and Uranium in an Irrigated Alluvial Valley Nebraska written by and published by . This book was released on 2002 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Noble Gases and Neon Isotopes as Groundwater Tracers in the Mojave Desert written by Andrew Vincent Cherene and published by . This book was released on 2005 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Environmental Tracers in Subsurface Hydrology written by Peter G. Cook and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Tracers in Subsurface Hydrology synthesizes the research of specialists into a comprehensive review of the application of environmental tracers to the study of soil water and groundwater flow. The book includes chapters which cover ionic tracers, noble gases, chlorofluorocarbons, tritium, chlorine-36, oxygen-18, deuterium, and isotopes of carbon, strontium, sulphur and nitrogen. Applications of the tracers include the estimation of vertical and horizontal groundwater velocities, groundwater recharge rates, inter-aquifer leakage and mixing processes, chemical processes and palaeohydrology. Practicing hydrologists, soil physicists and hydrology professors and students will find the book to be a valuable support in their work.

Download or read book Stable Isotope Analysis of Surface Water and Precipitation in the Palouse Basin Hydrologic Tracers of Aquifer Recharge written by Nathan Moxley and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Isotopes in Hydrology written by and published by . This book was released on 1967 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Evaluation of Oxygen and Hydrogen Isotopes in Groundwater of the Palouse Basin and Moscow Sub basin written by Lauren R. Carey and published by . This book was released on 2011 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Isotopes in the Water Cycle written by Pradeep K. Aggarwal and published by Springer Science & Business Media. This book was released on 2006-01-16 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental isotope and nuclear techniques provide unmatched insights into the processes governing the water cycle and its variability. This monograph presents state of the art applications and new developments of isotopes in hydrology, environmental disciplines and climate change studies. Coverage ranges from the assessment of groundwater resources in terms of recharge and flow regime to studies of the past and present global environmental and climate changes.

Download or read book Distribution of Isotopic and Environmental Tracers in Groundwater Northern Ada County Southwestern Idaho written by Candice B. Adkins and published by . This book was released on 2010 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

Download or read book Groundwater Development and Management written by Pradip K. Sikdar and published by Springer. This book was released on 2018-07-27 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the challenges for efficient groundwater management, with a focus on South Asia and India, providing a balanced presentation of theory and field practice using a multidisciplinary approach. Groundwater of South Asia is increasingly confronted with overuse and deteriorating quality and therefore requires urgent attention. Management of the stressed groundwater systems is an extremely complex proposition because of the intricate hydrogeological set-up of the region. Strategies for sustainable management must involve a combination of supply-side and demand-side measures depending on the regional setting and socio-economic situations. As a consequence, the challenges of efficient groundwater management require not only a clear understanding of the aquifer configuration, but also demand for the development of a comprehensive database of the groundwater occurrences and flow systems in each hydrogeological setting. In addition, drilling and well construction methods that are appropriate to different hydrogeological formations need to be implemented as well as real-time monitoring of the status of the groundwater use. Also corrective measures for groundwater that is threatened with depletion and quality deterioration need to be installed. Finally, the legal framework of groundwater needs to be rearticulated according to the common property aspect of groundwater. These challenges should revolve around effective groundwater governance by creating an atmosphere to support and empower community-based systems of decision-making and revisit the existing legal framework and groundwater management institutions by fostering community initiatives. This book is relevant for academics, professionals, administrators, policy makers, and economists concerned with various aspects of groundwater science and management.

Download or read book Carbon Chloride and Oxygen Isotopes as Tracers of Interbasin Groundwater Flow at La Selva Biological Station Costa Rica written by Mathew Webb and published by . This book was released on 2007 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: oxygen, isotopes, interbasin groundwater flow, La Selva, groundwater, Costa Rica, chloride, carbon.

Download or read book Using Isotopes for Design and Monitoring of Artificial Recharge Systems written by International Atomic Energy Agency and published by . This book was released on 2013-11-01 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication discusses several theoretical aspects important to the understanding, planning and monitoring of AR and ASR schemes and presents a selected number of examples illustrating the usefulness of isotopes and other tracers. One section presents the list of available isotope tracers, indicating the type of information that can be obtained from each. The case studies presented in this publication illustrate the use of these tools in the different stages of AR and ASR schemes.