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Impact de structures géologiques sur l'alimentation de systèmes aquifères profonds

Impact de structures géologiques sur l'alimentation de systèmes aquifères profonds PDF Author: Marc Saltel
Publisher:
ISBN:
Category :
Languages : fr
Pages : 277

Book Description
L’étude des grandes structures géologiques permet une meilleure compréhension des processus d’alimentation des systèmes aquifères profonds. Dans ce contexte, le fonctionnement hydrodynamique des antiformes du sud de Bordeaux est étudié de manière à établir leur rôle au sein du complexe aquifère nord aquitain. L’interprétation des données issues des prospections effectuées a aboutit à la révision de la géologie du secteur et des conditions de gisement des réservoirs rencontrés. D’un point de vue hydrogéologique, l’examen des modelés et des différentes chroniques piézométriques indiquent que ces antiformes interviennent de façon significative dans la mise en charge des aquifères du complexe nord aquitain. Ensuite, les multiples mesures de terrain ont montré l’existence, dans certains secteurs, d’une relation étroite entre les eaux superficielles et les eaux souterraines (pertes et émergences dans les lits des rivières, dépressions cryptokarstiques). Les mesures isotopiques réalisées viennent appuyer les observations effectuées montrant des traces de tritium dans les zones d’échanges mises en évidence précédemment. D’une manière générale, la structure étudiée apparaît comme une zone de recharge, les temps de résidence étant plus courts sur l’axe de la structure et ce pour différentes nappes. En parallèle, un modèle hydrodynamique régional a été utilisé pour appréhender les écoulements au sein du complexe aquifère nord aquitain et représenter les échanges entre les 6 aquifères composant ce système. Ce modèle a pour fonction de mesurer l’impact à grande échelle de l’implantation de champs captants pour l’alimentation en eau potable au droit de la structure étudiée.

Impact de structures géologiques sur l'alimentation de systèmes aquifères profonds

Impact de structures géologiques sur l'alimentation de systèmes aquifères profonds PDF Author: Marc Saltel
Publisher:
ISBN:
Category :
Languages : fr
Pages : 277

Book Description
L’étude des grandes structures géologiques permet une meilleure compréhension des processus d’alimentation des systèmes aquifères profonds. Dans ce contexte, le fonctionnement hydrodynamique des antiformes du sud de Bordeaux est étudié de manière à établir leur rôle au sein du complexe aquifère nord aquitain. L’interprétation des données issues des prospections effectuées a aboutit à la révision de la géologie du secteur et des conditions de gisement des réservoirs rencontrés. D’un point de vue hydrogéologique, l’examen des modelés et des différentes chroniques piézométriques indiquent que ces antiformes interviennent de façon significative dans la mise en charge des aquifères du complexe nord aquitain. Ensuite, les multiples mesures de terrain ont montré l’existence, dans certains secteurs, d’une relation étroite entre les eaux superficielles et les eaux souterraines (pertes et émergences dans les lits des rivières, dépressions cryptokarstiques). Les mesures isotopiques réalisées viennent appuyer les observations effectuées montrant des traces de tritium dans les zones d’échanges mises en évidence précédemment. D’une manière générale, la structure étudiée apparaît comme une zone de recharge, les temps de résidence étant plus courts sur l’axe de la structure et ce pour différentes nappes. En parallèle, un modèle hydrodynamique régional a été utilisé pour appréhender les écoulements au sein du complexe aquifère nord aquitain et représenter les échanges entre les 6 aquifères composant ce système. Ce modèle a pour fonction de mesurer l’impact à grande échelle de l’implantation de champs captants pour l’alimentation en eau potable au droit de la structure étudiée.

The Souss‐Massa River Basin, Morocco

The Souss‐Massa River Basin, Morocco PDF Author: Redouane Choukr Allah
Publisher: Springer
ISBN: 3319511319
Category : Science
Languages : en
Pages : 363

Book Description
This volume offers a comprehensive analysis of the water resources in the Souss-Massa river basin in southwestern Morocco and provides novel water-management approaches to narrow the gap between supply and demand for water. It evaluates conventional water resources−surface water and groundwater−and discusses in detail rainfall harvesting into dams along the Souss and Massa wadis. Further, it explores topics including the geology of the aquifer; the risk of over exploitation; alternative water resources, such as desalinated seawater and treated domestic wastewater, as well as management approaches like Data Development Analysis and the SALTMED model. With a focus on linking scientific research to practical applications and the demands of agriculture and associated agro-industry, urbanization and tourism, which compete for the limited water resources, the book appeals to environmental scientists, geologists, engineers and environmental managers.

Flow and Contaminant Transport in Fractured Rock

Flow and Contaminant Transport in Fractured Rock PDF Author: Jacob Bear
Publisher: Academic Press
ISBN: 0080916473
Category : Technology & Engineering
Languages : en
Pages : 575

Book Description
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.

Terra 2008

Terra 2008 PDF Author: Leslie Rainer
Publisher: Getty Publications
ISBN: 1606060430
Category : Architecture
Languages : fr
Pages : 438

Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.

Canada's Cold Environments

Canada's Cold Environments PDF Author: Hugh M. French
Publisher: McGill-Queen's Press - MQUP
ISBN: 0773563547
Category : Science
Languages : en
Pages : 363

Book Description
Low temperatures, wind-chill, snow, sea ice, and permafrost have been primary characteristics of Canada's northern and alpine environments during the past two million years. The evolution of Canada's cultural landscapes, the processes of settlement of rural areas, and the present interaction of Canadian industrial society with its biophysical environment are all deeply influenced, directly or indirectly, by the frigidity of the greater part of the country. The phenomenon of global warming, if it occurs, will lessen this coldness, but its impact on temperature extremes, sea ice regimes, vegetation, snow distribution, permafrost, glaciers, lakes, rivers, and mountain hazards are all the subject of intensive research -- the highlights of which are reviewed in Canada's Cold Environments. Eleven of Canada's leading geographers, geologists, and ecologists provide an authoritative yet readable scientific statement about the physical nature of Canada's coldness. They focus on the distinctive attributes of Canada's cold environments, their temporal and spatial variability, and the constraints that coldness places on human activity. The book is aimed at environmental scientists at all levels who need informed overviews of the substantive findings on a range of cold-related topics.

Water & Heritage

Water & Heritage PDF Author: Willem Willems
Publisher:
ISBN: 9789088903861
Category : Business & Economics
Languages : en
Pages : 434

Book Description
Water is vital for life, and its availability has been a concern for mankind throughout the ages. Its presence has always been ascertained in a variety of ways and the development of human society everywhere is connected with various forms of water management. Man also needed to manage water to find protection from its dangers and the need for that is increasing. In the coming decades, the impact of climate change is expected to intensify floods and droughts, affect groundwater resources, raise sea levels, increase pollution and enhance the frequency and magnitude of disasters. Societies around the world are challenged to adapt to these threats to ensure water security, economic prosperity and environmental and cultural sustainability. This book deals with the heritage of water management and the use that was made of water, as well as the impact of water management on heritage. An example of the former may be an ancient irrigation system in the Filipines or in the Middle East that still functions today, while the latter may reflect the importance of maintaining groundwater levels for the preservation of organic remains on archaeological sites or of wooden piles underneath standing buildings. In either case the papers in this book reflect the dynamic nature of water, and hence the equally dynamic relation between water management and heritage. This publication follows up on a Heritage and Water conference in Amsterdam, the first of its kind. Its main purpose is to credibly present the importance and value of heritage and historical experience for water and sustainable development, and vice versa, present the importance of water management for the protection of heritage. It presents evolving insights and concepts about Water and about Heritage from a variety of disciplines, policy and public perspectives illustrated with cases studies and aims to connect decision makers with experts such as engineers, archaeologists, historians, geographers, ecologist and landscape architects

Groundwater Dynamics in Hard Rock Aquifers

Groundwater Dynamics in Hard Rock Aquifers PDF Author: Shakeel Ahmed
Publisher: Springer Science & Business Media
ISBN: 140206540X
Category : Science
Languages : en
Pages : 265

Book Description
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.

The European Landscape Convention

The European Landscape Convention PDF Author: Michael Jones
Publisher: Springer Science & Business Media
ISBN: 9048199328
Category : Science
Languages : en
Pages : 327

Book Description
This important and insightful book provides, for the first time, a broad presentation of ongoing research into public participation in landscape conservation, management and planning, following the 2000 European Landscape Convention which came into force in 2004. The book examines both the theory of participation and what lessons can be learnt from specific European examples. It explores in what manner and to what extent the provisions for participation in the European Landscape Convention have been followed up and implemented. It also presents and compares different experiences of participation in selected countries from northern, southern, eastern and western Europe, and provides a critical examination of public participation in practice. However, while the book’s focus is necessarily on Europe, many of the conclusions drawn are of global relevance. The book provides a valuable reference for researchers and advanced students in landscape policies and management, as well as for professionals and others interested in land-use planning and environmental management.

Palaeowaters in Coastal Europe

Palaeowaters in Coastal Europe PDF Author: Geological Society of London
Publisher: Geological Society of London
ISBN: 9781862390867
Category : Nature
Languages : en
Pages : 352

Book Description


Orogenic Andesites and Plate Tectonics

Orogenic Andesites and Plate Tectonics PDF Author: J. B. Gill
Publisher: Springer Science & Business Media
ISBN: 3642680127
Category : Science
Languages : en
Pages : 403

Book Description
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.