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Contribution A Letude Du Comportement Des Sediments Dans Lenvironnement Estuarien
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Book Synopsis CONTRIBUTION A L'ETUDE DU COMPORTEMENT DES SEDIMENTS DANS L'ENVIRONNEMENT ESTUARIEN by : YOUNES.. OURAQ
Download or read book CONTRIBUTION A L'ETUDE DU COMPORTEMENT DES SEDIMENTS DANS L'ENVIRONNEMENT ESTUARIEN written by YOUNES.. OURAQ and published by . This book was released on 1996 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: DANS LE CADRE DES RECHERCHES APPLIQUEES DU GENIE CIVIL AUX MILIEUX ESTUARIENS, NOTRE ETUDE PERMET DE MIEUX APPREHENDER LE COMPORTEMENT DES SEDIMENTS DE L'ESTUAIRE DE LA LOIRE. APRES QUATRE CAMPAGNES DE MESURE SUR LE SITE ET UNE IMPORTANTE PHASE EXPERIMENTALE EN LABORATOIRE, QUATRE AXES DE RECHERCHE ONT ETE DEVELOPPES. A) TASSEMENT DE LA VASE: L'INFLUENCE DE LA CONCENTRATION INITIALE, DE LA SALINITE, DE LA FLOCULATION ET DE LA NON SATURATION, EST MISE EN EVIDENCE GRACE A LA REALISATION D'ESSAIS DE TASSEMENT SUR DES VASES ISSUES DE L'ESTUAIRE DE LA LOIRE. B) DYNAMIQUE SEDIMENTAIRE DES MATERIAUX COHESIFS: L'ETUDE DES CARACTERISTIQUES PHYSICO-CHIMIQUES ET RHEOLOGIQUES DES VASES NOUS PERMET DE PROPOSER DIFFERENTES LIAISONS ET INTERACTIONS ENTRE LA SEDIMENTATION D'UNE PART ET LA NATURE ET LE COMPORTEMENT MECANIQUE DE LA VASE D'AUTRE PART. C) DYNAMIQUE SEDIMENTAIRE DES MATERIAUX SABLEUX ET SABLO-VASEUX: L'ETUDE DE PLUSIEURS CAROTTES PRELEVEES LORS DE NOS CAMPAGNES DE MESURE EN LOIRE, NOUS PERMET DE DEFINIR UNE ZONE A FONDS SABLEUX EN AMONT DE NANTES, ET UNE ZONE A FONDS VASEUX EN AVAL. LA FRONTIERE ENTRE CES DEUX FORMATIONS OSCILLE EN FONCTION DU DEBIT DU FLEUVE ENGENDRANT AINSI UNE ZONE DE TRANSITION OU LES SEDIMENTS SONT HETEROGENES MAIS DISPOSES EN COUCHES SUCCESSIVES BIEN HOMOGENES DE SABLE GROSSIER, DE SABLE FIN ET DE VASE. D) DYNAMIQUE DE LA CREME DE VASE: LA REALISATION DE DEUX SONDAGES LONGITUDINAUX DU CHENAL DE L'ESTUAIRE PERMET UNE MEILLEURE COMPREHENSION DE LA DYNAMIQUE LONGITUDINALE DE LA CREME DE VASE AU COURS D'UNE MAREE. ENFIN, NOUS MONTRONS QUE CES CAMPAGNES CONSTITUENT UN MOYEN D'ESTIMATION SYSTEMATIQUE DE LA QUANTITE TOTALE DE VASE MOBILE EN LOIRE, LAQUELLE EST TRES VARIABLE SELON LES SAISONS ET LES ANNEES
Book Synopsis Ground Improvement Geosystems by : Michael C. R. Davies
Download or read book Ground Improvement Geosystems written by Michael C. R. Davies and published by Thomas Telford. This book was released on 1997 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers presented in this volume describe the latest developments from around the world on ground improvement by densification and reinforcement. They describe new research into improving the understanding of the problems facing geotechnical engineers working in the field of ground improvement and the advances in the techniques available to them. Numerous case studies show how new and improved methods have actually been applied over a wide variety of ground conditions.
Book Synopsis Bioévaluation de la qualité environnementale des sédiments portuaires et des zones d'immersion by : Claude Alzieu
Download or read book Bioévaluation de la qualité environnementale des sédiments portuaires et des zones d'immersion written by Claude Alzieu and published by Editions Quae. This book was released on 2003 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage propose des méthodes de suivi qui permettent de vérifier l'hypothèse préalable d'impact et d'y apporter si nécessaire les mesures correctives. Ainsi, l'indice d'évaluation de l'endofaune côtière permet d'affecter à chaque sédiment une note de qualité biologique et, grâce aux propriétés accumulatrices des bivalves, les procédures de la surveillance en mer ouverte offrent la possibilité de contrôler les effets des apports en contaminants. Un chapitre est consacré à la surveillance des apports d'un dépôt à terre. Les gestionnaires, scientifiques et techniciens de l'environnement y trouveront une démarche ascendante qui leur permettra de suivre les recommandations des lignes directrices OSPAR.
Download or read book Contributions to Sedimentology written by and published by . This book was released on 1973 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Étude de la composante de modélisation de l'hydrodynamique et du transport de sédiments aux fins de l'étude d'impact sur l'environnement concernant les modifications du pont-jetée de la rivière Petitcodiac by : AMEC Earth & Environmental (Firme)
Download or read book Étude de la composante de modélisation de l'hydrodynamique et du transport de sédiments aux fins de l'étude d'impact sur l'environnement concernant les modifications du pont-jetée de la rivière Petitcodiac written by AMEC Earth & Environmental (Firme) and published by . This book was released on 2005 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contribution à l'étude de sédiments océaniques à analcime by :
Download or read book Contribution à l'étude de sédiments océaniques à analcime written by and published by . This book was released on 1981 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Seine River Basin by : Nicolas Flipo
Download or read book The Seine River Basin written by Nicolas Flipo and published by Springer Nature. This book was released on 2021-01-30 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book reviews the water-agro-food and socio-eco-system of the Seine River basin (76,000 km2), and offers a historical perspective on the river’s long-term contamination. The Seine basin is inhabited by circa 17 million people and is impacted by intensive agricultural practices and industrial activities. These pressures have gradually affected its hydrological, chemical and ecological functioning, leading to a maximum chemical degradation between the 1960s and the 1990s. Over the last three decades, while major water-quality improvements have been observed, new issues (e.g. endocrine disruptors, microplastics) have also emerged. The state of the Seine River network, from the headwaters to estuary, is increasingly controlled by the balance between pressures and social responses. This socio-ecosystem provides a unique example of the functioning of a territory under heavy anthropogenic pressure during the Anthropocene era. The achievements made were possible due to the long-term PIREN Seine research program, established in 1989 and today part of the French socio-ecological research network “Zones Ateliers”, itself part of the international Long-term Socio-economic and Ecological Research Network (LTSER). Written by experts in the field, the book provides an introduction to the water budget and the territorial metabolism of the Seine basin, and studies the trajectories and impact of various pollutants in the Seine River. It offers insights into the ecological functioning, the integration of agricultural practices, the analysis of aquatic organic matter, and the evolution of fish assemblages in the Seine basin, and also presents research perspectives and approaches to improve the water quality of the Seine River. Given its scope, it will appeal to environmental managers, scientists and policymakers interested in the long-term contamination of the Seine River.
Book Synopsis International Symposium on Interrelationships of Estuarine and Continental Shelf Sedimentation Proceedings by :
Download or read book International Symposium on Interrelationships of Estuarine and Continental Shelf Sedimentation Proceedings written by and published by . This book was released on 1974 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in Fluxes in Estuaries by : Keith R. Dyer
Download or read book Changes in Fluxes in Estuaries written by Keith R. Dyer and published by Olsen & Olsen. This book was released on 1994 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cathodoluminescence of Quartz and Its Application to Sandstone Petrology by : Ulf Zinkernagel
Download or read book Cathodoluminescence of Quartz and Its Application to Sandstone Petrology written by Ulf Zinkernagel and published by . This book was released on 1978 with total page 1366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Gironde Estuary by : J. M. Jouanneau
Download or read book The Gironde Estuary written by J. M. Jouanneau and published by E. Schweizerbartsche Verlagsbuchhandlung. This book was released on 1981 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Environmental Behaviour of Polonium by : International Atomic Energy Agency
Download or read book The Environmental Behaviour of Polonium written by International Atomic Energy Agency and published by . This book was released on 2018-01-31 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polonium-210 is an alpha emitting radionuclide with no radioactive progeny and produces only very-low-intensity gamma rays at very low abundance. This means doses largely arise from internal exposure. In addition to the relatively high ingestion does coefficient of 210Po, radionuclide transfer in the environment results in high activity concentrations in certain foods. This publication focuses on radionuclide transfers in terrestrial, freshwater and marine environments, and provides information on key transfer processes, concepts and models--back cover.
Book Synopsis Lake Pavin by : Télesphore Sime-Ngando
Download or read book Lake Pavin written by Télesphore Sime-Ngando and published by Springer. This book was released on 2016-10-31 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents the first multidisciplinary scientific work on a deep volcanic maar lake in comparison with other similar temperate lakes. The syntheses of the main characteristics of Lake Pavin are, for the first time, set in a firmer footing comparative approach, encompassing regional, national, European and international aquatic science contexts. It is a unique lake because of its permanently anoxic monimolimnion, and furthermore, because of its small surface area, its substantially low human influence, and by the fact that it does not have a river inflow. The book reflects the scientific research done on the general limnology, history, origin, volcanology and geological environment as well as on the geochemistry and biogeochemical cycles. Other chapters focus on the biology and microbial ecology whereas the sedimentology and paleolimnology are also given attention. This volume will be of special interest to researchers and advanced students, primarily in the fields of limnology, biogeochemistry, and aquatic ecology.
Download or read book Oceanis written by and published by . This book was released on 1990 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environmental Micropaleontology by : Ronald E. Martin
Download or read book Environmental Micropaleontology written by Ronald E. Martin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microfossils are ideally suited to environmental studies because their short generation times allow them to respond rapidly to environmental change. This book represents an assessment of the progress made in environmental micropalaeontology and sets out future research directions. The taxa studied are mainly foraminifera, but include arcellaceans, diatoms, dinoflagellates, and ostracodes. The papers themselves range from reviews of applications of particular taxa to specific case studies.
Book Synopsis Introduction to Coastal Processes and Geomorphology by : Gerhard Masselink
Download or read book Introduction to Coastal Processes and Geomorphology written by Gerhard Masselink and published by Hodder Education. This book was released on 2003 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal environments are arguably the most important and intensely used of all areas settled by humans. The coastline changes, not only over the centuries or decades but in a matter of hours and minutes. This rapid development applies both to the form of the coastline and to coastal processes. This new book is an introduction to the environments and and processes that occur along the world's coastline. The coastlines of the world provide 'natural laboratories' for investigating the physical, chemical and biological processes that produce the rich diversity of coastal landforms. Introduction to Coastal Processes and Geomorphology begins by addressing generic concepts, global issues and processes that are common to most coastal environments including the morphodynamic paradigm, Quaternary sea-level fluctuations, tides, waves and sediment transport processes. Later chapters address the morphodynamics of the five main types of coastal environments, namely fluvial-, tide-, and wave-dominated environments, rocky coasts, and coral reefs and islands. The final chapter considers the issue of coastal management, and in particular the management of coastal erosion. This comprehensive and in-depth book is an essential reference handbook for students looking to extend their analytical skills and interest in coastal morphodynamics. Fully illustrated throughout, each chapter contains boxed sections designed to aid further study by providing either a further analysis or treatment of a particular issue, an interesting application of a principle just discussed in the body of the text, or a virtual field trip.
Book Synopsis Reading Prehistoric Human Tracks by : Andreas Pastoors
Download or read book Reading Prehistoric Human Tracks written by Andreas Pastoors and published by Springer Nature. This book was released on 2021 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Open Access book explains that after long periods of prehistoric research in which the importance of the archaeological as well as the natural context of rock art has been constantly underestimated, research has now begun to take this context into focus for documentation, analysis, interpretation and understanding. Human footprints are prominent among the long-time under-researched features of the context in caves with rock art. In order to compensate for this neglect an innovative research program has been established several years ago that focuses on the merging of indigenous knowledge and western archaeological science for the benefit of both sides. The book gathers first the methodological diversity in the analysis of human tracks. Here major representatives of anthropological, statistical and traditional approaches feature the multi-layered methods available for the analysis of human tracks. Second it compiles case studies from around the globe of prehistoric human tracks. For the first time, the most important sites which have been found worldwide are published in a single publication. The third focus of this book is on firsthand experiences of researchers with indigenous tracking experts from around the globe, expounding on how archaeological sciencecan benefit from the ancestral knowledge. This book will be of interest to professional archaeologists, graduate students, ecologists, cultural anthropologists and laypeople, especially those focussing on hunting-gathering and pastoralist communities and who appreciate indigenous knowledge.--
