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Caracterisation Hydrogeologique Dun Aquifere En Socle Fracture
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Book Synopsis Caractérisation hydrogéologique d'un aquifère en socle fracturé by : Frédéric Touchard
Download or read book Caractérisation hydrogéologique d'un aquifère en socle fracturé written by Frédéric Touchard and published by . This book was released on 1999 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: ln Brittany, tap water production is assured at 20% with mainly pumped groundwater in fractured basement. Because of the geometry of fractured network and hydraulic properties the productivity of Briton aquifers is generally limited (400 to 1000 m3/h). At Ploemeur(Morbihan) an important groundwater reservoir is exploited as main tap water supply since June 1991 at an average pumping rate of 3000 m3/h. The main characteristics of this aquifer are 1) important water inflows localised in fractured pegmatites and 2) good pumped water quality ([N03]
Book Synopsis Groundwater in Fractured Rocks by : Jirí Krásný
Download or read book Groundwater in Fractured Rocks written by Jirí Krásný and published by CRC Press. This book was released on 2007-07-05 with total page 1034 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hydrogeologic environment of fractured rocks represents vital natural systems, examples of which occur on every continent. This book discusses key issues, methodologies and techniques in the hydrogeology of fractured rocks, summarizing recent progress and anticipating the outcome of future investigations. Forty-four revised and updated papers w
Book Synopsis Groundwater in Fractured Rocks by : John M. Sharp
Download or read book Groundwater in Fractured Rocks written by John M. Sharp and published by CRC Press. This book was released on 2007-07-05 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hydrogeologic environment of fractured rocks represents vital natural systems, examples of which occur on every continent. This book discusses key issues, methodologies and techniques in the hydrogeology of fractured rocks, summarizing recent progress and anticipating the outcome of future investigations. Forty-four revised and updated papers w
Book Synopsis Caractérisation et modélisation hydrogéologique d'un aquifère en milieu de socle fracturé by : Donissongou Dimitri Soro
Download or read book Caractérisation et modélisation hydrogéologique d'un aquifère en milieu de socle fracturé written by Donissongou Dimitri Soro and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le territoire burkinabè est constitué à plus de 80% de formations de socle. Ces formations renferment des ressources en eau souterraine qui constitue la seule source en eau potable de certaines populations. Cependant, le quart des forages réalisés en vue d'exploiter ces eaux sont négatifs. Une bonne compréhension du fonctionnement hydrogéologique et hydrodynamique des aquifères de socle qui sont très hétérogènes peut aider à résoudre ce problème. L'objectif de la thèse est de proposer un modèle conceptuel hydrogéologique en milieu de socle fracturé soudano-sahélien en combinant différentes méthodes hydrogéophysiques et hydrogéologiques classiques. Le site expérimental de Sanon (environ 14 km2) a été choisi comme site d'étude en raison de sa géologie qui est représentative de certaines formations de socle de l'Afrique de l'Ouest. Les résultats indiquent que le profil d'altération de Sanon est cohérent avec d'autres modèles proposés ces dernières années, suggérant que la conductivité hydraulique des aquifères de socle est une conséquence des processus d'altération plutôt que de la fracturation tectonique. Concernant les propriétés hydrodynamiques, une corrélation linéaire positive d'environ 80% a été obtenue entre les transmissivités et les paramètres RMP. La présence d'un dôme piézométrique dans la vallée centrale a été observée en toute saison. La recharge se fait directement au niveau de ce dôme piézométrique (11 et 13% de la pluie annuelle) et l'alimentation des zones périphériques se ferait plutôt par des transferts latéraux. L'ensemble des informations géologiques et hydrogéologiques a permis de faire une simulation numérique qui reproduit l'écoulement observé.
Book Synopsis Caractérisation des aquifères de socle pour l'amélioration de la productivité des forages d'hydraulique villageoise dans le bassin versant du Bandama blanc amont (Nord de la Côte d'Ivoire) by : Moussa Ouedraogo
Download or read book Caractérisation des aquifères de socle pour l'amélioration de la productivité des forages d'hydraulique villageoise dans le bassin versant du Bandama blanc amont (Nord de la Côte d'Ivoire) written by Moussa Ouedraogo and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le bassin versant du Bandama blanc amont, au nord de la Côte d'Ivoire, est situé sur un socle fissuré, composé de granites et de schistes, et constitue un aquifère pérenne pour l'approvisionnement en eau des populations. Cet aquifère de type fissuré est mal connu, tant dans la géométrie des réservoirs que dans le potentiel hydrogéologique des réserves qu'il contient. La précarité des populations rurales est en partie liée au manque d'eau potable ainsi qu'au nombre encore insuffisant des points d'approvisionnement. Un nombre important d'échecs a été observé lors de la réalisation des ouvrages de captages des eaux souterraines, dont l'une des causes est une faible connaissance du fonctionnement du milieu. Cette étude consiste à améliorer les connaissances sur le fonctionnement hydrodynamique des réservoirs du socle fissuré (géométrie des aquifères, paramètres hydrodynamiques, recharge, disponibilité de la ressource) en vue de l'installation d'ouvrages de captage.L'approche méthodologique multidisciplinaire intègre des méthodes d'hydrogéophysique, d'hydrogéologie, de géologie et de chimie. Il s'agit de développer de nouvelles techniques et outils appropriés de prospection pour affiner la caractérisation du socle fissuré, afin de mieux contraindre l'exploitation des sites, notamment en termes de stabilité des débits prélevés.Pour étudier l'aquifère de socle du bassin versant du Bandana blanc amont, nous avons couplé des mesures électromagnétiques aux données lithologiques pour affiner la géométrie de l'aquifère et de mieux contraindre le choix pour les futurs localisations des forages. Cette étude présente donc une nouvelle approche hydrogéophysique pour améliorer la connaissance des ressources importantes dans un aquifère de socle, à l'échelle locale ou régionale, par l'utilisation du système électromagnétique multifréquentiel PROMIS. L'interprétation des résultats a conduit à proposer des modèles multicouches conformes à la structuration lithologique et discontinuités géologiques en place, et à la localisation de l'aquifère, sa géométrie et les interfaces de sa base et du toit.Cette méthode est efficace pour améliorer la caractérisation de l'aquifère de socle, et les résultats ont révélé une bonne concordance entre les sondages (1D), la section de résistivité (2D), les forages et les structures géologiques.La géométrie de l'aquifère présente une structure multicouche présentant de haut en bas de la cuirasse ferrugineuse, des arènes argileuses, une zone fissurée reposant sur un substratum rocheux. Nous sommes en présence d'une nappe captive, sous pression sous les argiles, contenue dans les arènes et la frange fissurée, et présentant une épaisseur variable entre 15 et 30 m. Une connaissance détaillée de la géométrie de l'aquifère locale constitue la première étape cruciale avant d'aller plus loin dans une étude hydrogéologique complète.
Book Synopsis Flow and Contaminant Transport in Fractured Rock by : Jacob Bear
Download or read book Flow and Contaminant Transport in Fractured Rock written by Jacob Bear and published by Academic Press. This book was released on 2012-12-02 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past two or three decades, fractured rock domains have received increasing attention not only in reservoir engineering and hydrology, but also in connection with geological isolation of radioactive waste. Locations in both the saturated and unsaturated zones have been under consideration because such repositories are sources of heat and potential sources of groundwater contamination. Thus, in addition to the transport of mass of fluid phases in single and multiphase flow, the issues of heat transport and mass transport of components have to be addressed.
Book Synopsis Groundwater around the World by : Jean Margat
Download or read book Groundwater around the World written by Jean Margat and published by CRC Press. This book was released on 2013-03-19 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a unique and up-to-date summary of what is known about groundwater on our planet, from a global perspective and in terms of area-specific factual information. Unlike most textbooks on groundwater, it does not deal with theoretical principles, but rather with the overall picture that emerges as a result of countless observations,
Book Synopsis Groundwater Dynamics in Hard Rock Aquifers by : Shakeel Ahmed
Download or read book Groundwater Dynamics in Hard Rock Aquifers written by Shakeel Ahmed and published by Springer Science & Business Media. This book was released on 2008-11-18 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the results and findings of the advanced research carried out in a pilot area with a thorough investigation of the structure and functioning of an aquifer in a granitic formation. It characterizes the hard rock aquifer system and examines its properties and behavior as well as systematically details the geophysical, geological and remote sensing applications to conceptualize such an aquifer system.
Book Synopsis Orogenic Andesites and Plate Tectonics by : J. B. Gill
Download or read book Orogenic Andesites and Plate Tectonics written by J. B. Gill and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Students of a phenomenon as common but complex as andesite genesis often are overwhelmed by, or overlook, the volume and diversity of relevant information. Thus there is need for periodic overview even in the absence of a dramatic breakthrough which "solves the andesite problem" and even though new ideas and data keep the issues in a state of flux. Thus I have summarized the subject through mid·1980 from my perspective to help clarify the long-standing problem and to identify profitable areas for future research. Overviews are more easily justified than achieved and there are fundamental differences of opinion concerning how to go about them. It is professionally dangerous and therefore uncom mon for single authors, especially those under 35 such as I, to summarize a broad, active field of science in book-length thor oughness. Review articles in journals, multi-authored books, or symposia proceedings appear instead. The single-authored approach is intimidating in scale and can result in loss of thoroughness or authority on individual topics. The alternatives lack scope or integration or both.
Book Synopsis Henry J. Ramey Jr by : Henry J. Ramey
Download or read book Henry J. Ramey Jr written by Henry J. Ramey and published by . This book was released on 1995-01-01 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Key Topics in Conservation Biology 2 by : David W. Macdonald
Download or read book Key Topics in Conservation Biology 2 written by David W. Macdonald and published by John Wiley & Sons. This book was released on 2013-02-06 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following the much acclaimed success of the first volume of Key Topics in Conservation Biology, this entirely new second volume addresses an innovative array of key topics in contemporary conservation biology. Written by an internationally renowned team of authors, Key Topics in Conservation Biology 2 adds to the still topical foundations laid in the first volume (published in 2007) by exploring a further 25 cutting-edge issues in modern biodiversity conservation, including controversial subjects such as setting conservation priorities, balancing the focus on species and ecosystems, and financial mechanisms to value biodiversity and pay for its conservation. Other chapters, setting the framework for conservation, address the sociology and philosophy of peoples’ relation with Nature and its impact on health, and such challenging practical issues as wildlife trade and conflict between people and carnivores. As a new development, this second volume of Key Topics includes chapters on major ecosystems, such as forests, islands and both fresh and marine waters, along with case studies of the conservation of major taxa: plants, butterflies, birds and mammals. A further selection of topics consider how to safeguard the future through monitoring, reserve planning, corridors and connectivity, together with approaches to reintroduction and re-wilding, along with managing wildlife disease. A final chapter, by the editors, synthesises thinking on the relationship between biodiversity conservation and human development. Each topic is explored by a team of top international experts, assembled to bring their own cross-cutting knowledge to a penetrating synthesis of the issues from both theoretical and practical perspectives. The interdisciplinary nature of biodiversity conservation is reflected throughout the book. Each essay examines the fundamental principles of the topic, the methodologies involved and, crucially, the human dimension. In this way, Key Topics in Conservation Biology 2, like its sister volume, Key Topics in Conservation Biology, embraces issues from cutting-edge ecological science to policy, environmental economics, governance, ethics, and the practical issues of implementation. Key Topics in Conservation Biology 2 will, like its sister volume, be a valuable resource in universities and colleges, government departments, and conservation agencies. It is aimed particularly at senior undergraduate and graduate students in conservation biology and wildlife management and wider ecological and environmental subjects, and those taking Masters degrees in any field relevant to conservation and the environment. Conservation practitioners, policy-makers, and the wider general public eager to understand more about important environmental issues will also find this book invaluable.
Download or read book Profile written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Hydrogeology of Crystalline Basement Aquifers in Africa by : Ernest Peter Wright
Download or read book The Hydrogeology of Crystalline Basement Aquifers in Africa written by Ernest Peter Wright and published by American Association of Petroleum Geologists. This book was released on 1992 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Historical Geography of France by : Xavier de Planhol
Download or read book An Historical Geography of France written by Xavier de Planhol and published by Cambridge University Press. This book was released on 1994-03-17 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this 1994 book, Xavier de Planhol and Paul Claval, two of France's leading scholars in the field, trace the historical geography of their country from its roots in the Roman province of Gaul to the 1990s. They demonstrate how, for centuries, France was little more than an ideological concept, despite its natural physical boundaries and long territorial history. They examine the relatively late development of a more complex territorial geography, involving political, religious, cultural, agricultural and industrial unities and diversities. The conclusion reached is that only in the twentieth century had France achieved a profound territorial unity and only now are the fragmentations of the past being overwritten.
Book Synopsis Chemical and Isotopic Groundwater Hydrology by : Emanuel Mazor
Download or read book Chemical and Isotopic Groundwater Hydrology written by Emanuel Mazor and published by CRC Press. This book was released on 2003-10-01 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated and expanded edition provides a thorough understanding of the measurable properties of groundwater systems and the knowledge to apply hydrochemical, geological, isotopic, and dating approaches to their work. This volume includes question and answer discussions for key concepts presented in the text and the basic hydrological, geological, and physical parameters to be observed and measured. Chemical and Isotopic Groundwater Hydrology, Third Edition covers the chemical tools of groundwater hydrology, the isotopic composition of water and groundwater dating by tritum, carbon-14, Cl-36, and He-4, as well as the application of fossil groundwater as a paleoclimatic indicator.
Book Synopsis Underground Disposal of Radioactive Wastes by : International Atomic Energy Agency
Download or read book Underground Disposal of Radioactive Wastes written by International Atomic Energy Agency and published by . This book was released on 1981 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Remote Sensing in Hydrology and Water Management by : Gert A. Schultz
Download or read book Remote Sensing in Hydrology and Water Management written by Gert A. Schultz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides comprehensive information on possible applications of remote sensing data for hydrological monitoring and modelling as well as for water management decisions. Mathematical theory is provided only as far as it is necessary for understanding the underlying principles. The book is especially timely because of new programs and sensors that are or will be realised. ESA, NASA, NASDA as well as the Indian and the Brazilian Space Agency have recently launched satellites or developed plans for new sensor systems that will be especially pertinent to hydrology and water management. New techniques are presented whose structure differ from conventional hydrological models due to the nature of remotely sensed data.
