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Linterface Eau Souterraine Eau Superficielle Comme Regulateur Des Flux De Matiere Organique
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Book Synopsis L'INTERFACE EAU SOUTERRAINE/EAU SUPERFICIELLE COMME REGULATEUR DES FLUX DE MATIERE ORGANIQUE by : MOHAMED.. CHAFIQ
Download or read book L'INTERFACE EAU SOUTERRAINE/EAU SUPERFICIELLE COMME REGULATEUR DES FLUX DE MATIERE ORGANIQUE written by MOHAMED.. CHAFIQ and published by . This book was released on 1995 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: UNE ETUDE A ETE ENTREPRISE SUR LES TRANSFERTS DE MATIERES ORGANIQUES DU MILIEU SOUTERRAIN VERS LE MILIEU SUPERFICIEL DANS UNE PLAINE ALLUVIALE DU RHONE SITUEE EN AMONT DE LYON. L'APPROCHE UTILISEE ETAIT BASEE SUR L'ETUDE DE GRADIENTS LONGITUDINAUX LE LONG DE DEUX PETITS AFFLUENTS KARSTIQUES (ORDRE 1) ET DE GRADIENTS VERTICAUX AU NIVEAU DES INTERFACES EAU SOUTERRAINE/EAU SUPERFICIELLE QUE SONT LES SOURCES KARSTIQUES, LES SOURCES INTERSTITIELLES ET LES SOUS-ECOULEMENTS DE COURS D'EAU. L'ETUDE A CONSISTE A ETABLIR DES RELATIONS ENTRE LES PARAMETRES PHYSICO-CHIMIQUES DES EAUX, LES FLUX DE MATIERE ORGANIQUE DANS LES SEDIMENTS ET DANS LES EAUX, LES BIOMASSE ET ACTIVITE MICROBIENNES ET LA BIOMASSE BACTERIENNE ET LES DENSITES ET LES STRUCTURES DE PEUPLEMENT INTERSTITIELS. L'OBJECTIF ETAIT ALORS DE COMPRENDRE LA DYNAMIQUE DE CES FLUX, DE TESTER LEUR HOMOGENEITE AU SEIN DE LA PLAINE ALLUVIALE DEPUIS LES CONTREFORTS CALCAIRES JUSQU'AU FLEUVE LUI-MEME, ET ENFIN DE MESURER L'IMPORTANCE DES INTERFACES EAUX SOUTERRAINES/EAUX DE SURFACE DANS LA DYNAMIQUE DES NUTRIMENTS (RETENTION, STOCKAGE, UTILISATION, LESSIVAGE) ET DANS LA BIODIVERSITE DE LA PLAINE ALLUVIALE. L'ETUDE DE LA STRUCTURE ET DE LA DISTRIBUTION SPATIO-TEMPORELLE DES PEUPLEMENTS D'INVERTEBRES AQUATIQUES KARSTIQUES ET INTERSTITIELLES MONTRENT UN GRADIENT LONGITUDINAL FONCTIONNEL DIFFERENT DU GRADIENT TOPOGRAPHIQUE. LA RICHESSE ET LA DENSITE DEPENDENT DES TYPES DE CONTACT. C'EST AU NIVEAU DES SOURCES KARSTIQUES COMME INTERSTITIELLES QUE LES ECHANGES SONT LES PLUS INTENSES ENTRE MILIEU SOUTERRAIN ET MILIEU DE SURFACE. ON PEUT DISTINGUER DEUX TYPES D'ECOTONES: CEUX POUR LESQUELS LES QUANTITES DE MATIERE ORGANIQUE SONT FAIBLES ET LA DISPERSION DE LA FAUNE INTERSTITIELLE IMPORTANTE ET CEUX POUR LESQUELS IL Y A D'IMPORTANTES ACCUMULATIONS DE NUTRIMENTS ET UNE GRANDE CONCENTRATION DE FAUNE SOUTERRAINE. DU POINT DE VUE DES FLUX DE NUTRIMENTS, LA PRESENCE DE CULTURES DANS LA PLAINE ALLUVIALE ENRICHIT LE MILIEU SOUTERRAIN EN NITRATES, MAIS DES PHENOMENES DE DENITRIFICATION ET DE RETENTION ONT ETE OBSERVES LORS DE LA PRESENCE DE RIPISYLVES. QUE CE SOIT AU NIVEAU DES GRADIENTS LONGITUDINAUX AMONT-AVAL DES AFFLUENTS OU VERTICAUX SOUTERRAIN-SURFACE, LE CARBONE ORGANIQUE FIN, LA BIOMASSE MICROBIENNE ET BACTERIENNE ET L'ACTIVITE MICROBIENNE SONT LIES A LA REPARTITION DES SEDIMENTS FINS. LA DYNAMIQUE TEMPORELLE DU FACTEUR HYDROLOGIQUE (FREQUENCE ET INTENSITE DES PLUIES) EST DETERMINANTE DANS LES PHENOMENES D'ACCUMULATION, DE RETENTION DE LA MATIERE ORGANIQUE MAIS AUSSI DANS LA DYNAMIQUE DU BIOFILM. EN DEFINITIVE, IL EXISTE UNE TRES GRANDE HETEROGENEITE DE REPARTITION DES RESSOURCES ET DES ORGANISMES AU NIVEAU DES CONTACTS EAU SOUTERRAINE/EAU SUPERFICIELLE AU SEIN DES PLAINES ALLUVIALES QUI JOUENT UN ROLE NON NEGLIGEABLE DANS LES TRANSFERTS DE FLUX VERS LE FLEUVE
Book Synopsis Les eaux souterraines sont-elles éternelles ? by : Thierry Ruf
Download or read book Les eaux souterraines sont-elles éternelles ? written by Thierry Ruf and published by Quae. This book was released on 2014-06-16 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: D’où vient l’eau des sources ? Peut-on creuser un puits partout ? Quelles menaces pèsent sur l’eau souterraine ? A qui appartient-elle ? Quels bénéfices l’exploitation des eaux souterraines offre-t-elle par rapport à celle des eaux de surface ? Connaît-on l’état des ressources et leur disponibilité ? Cet ouvrage apporte des réponses aux questions que l’on se pose sur les eaux souterraines, (nappes phréatiques et nappes profondes). Il fait un état des lieux des connaissances géologiques, techniques et dégage les enjeux économiques, écologiques, réglementaires, politiques et sociaux de cette ressource fragile.
Download or read book Terra 2008 written by Leslie Rainer and published by Getty Publications. This book was released on 2011-06-14 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Water & Heritage by : Willem Willems
Download or read book Water & Heritage written by Willem Willems and published by . This book was released on 2017-01-15 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis Cropping Systems, Land Tenure and Social Diversity in Wenchi, Ghana by : Samuel Adjei-Nsiah
Download or read book Cropping Systems, Land Tenure and Social Diversity in Wenchi, Ghana written by Samuel Adjei-Nsiah and published by . This book was released on 2006 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: However, there is still considerable scope for further development of these self-organised innovations.
Book Synopsis Techniques and technologies for sustainability by : Adrian Atkinson
Download or read book Techniques and technologies for sustainability written by Adrian Atkinson and published by Univerlagtuberlin. This book was released on 2008 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law Publisher :IUCN ISBN 13 :9782831705248 Total Pages :226 pages Book Rating :4.7/5 (52 download)
Book Synopsis Draft International Covenant on Environment and Development by : International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law
Download or read book Draft International Covenant on Environment and Development written by International Union for Conservation of Nature and Natural Resources. Commission on Environmental Law and published by IUCN. This book was released on 2000 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an updated edition of the 1995 version. In the mid-1980's, the IUCN CEL, in consultation with leading experts from around the world, began to respond to a need later identified by Agenda 21: the preparation of an integrated framework for international environmental law.
Download or read book Overcoming Drought written by and published by World Bank Publications. This book was released on with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Frequency Dictionary of French by : Deryle Lonsdale
Download or read book A Frequency Dictionary of French written by Deryle Lonsdale and published by Routledge. This book was released on 2009-03-25 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Frequency Dictionary of French is an invaluable tool for all learners of French, providing a list of the 5000 most frequently used words in the language. Based on a 23-million-word corpus of French which includes written and spoken material both from France and overseas, this dictionary provides the user with detailed information for each of the 5000 entries, including English equivalents, a sample sentence, its English translation, usage statistics, and an indication of register variation. Users can access the top 5000 words either through the main frequency listing or through an alphabetical index. Throughout the frequency listing there are thematically-organized lists of the top words from a variety of key topics such as sports, weather, clothing, and family terms. An engaging and highly useful resource, the Frequency Dictionary of French will enable students of all levels to get the most out of their study of French vocabulary. Former CD content is now available to access at www.routledge.com/9780415775311 as support material. Designed for use by corpus and computational linguists it provides the full text in a format that researchers can process and turn into suitable lists for their own research work. Deryle Lonsdale is Associate Professor in the Linguistics and English Language Department at Brigham Young University (Provo, Utah). Yvon Le Bras is Associate Professor of French and Department Chair of the French and Italian Department at Brigham Young University (Provo, Utah).
Download or read book ARS-W. written by and published by . This book was released on with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen Cycling in Coastal Marine Environments by : T. Henry Blackburn
Download or read book Nitrogen Cycling in Coastal Marine Environments written by T. Henry Blackburn and published by . This book was released on 1988-03-21 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen discharge to the coastal environment has been increasing, posing the threat of accelerated eutrofication. Considerable research has been conducted in recent years to examine the impact of the nitrogen loading in coastal ecosystems. Based on proceedings from a SCOPE symposium held at the University of Aarhus in July of 1985, this volume covers a variety of up-to-date developments in research on nitrogen cycling in coastal marine environments. Topics include the role of nitrogen in algal productivity, regeneration of nutrients in the water column and the sediments, and the flow of nitrogen in coastal ecosystems.
Book Synopsis FeHEDTA by : Canada. Pest Management Regulatory Agency
Download or read book FeHEDTA written by Canada. Pest Management Regulatory Agency and published by . This book was released on 2010 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Health Canada's Pest Management Regulatory Agency (PMRA), under the authority of the Pest Control Products Act and Regulations, is proposing full registration for the sale and use of NEU1173H TGAI and the end-use products; NEU1173H RTU with Pull'N Spray Applicator, NEU1173H RTU with Quick Connect Sprayer, NEU1173H RTU, Fiesta Lawn Weed Killer Ready to Spray, Fiesta Lawn Weed Killer, NEU1173H Ready to Spray Large Size, NEU1173H Ready to Spray, NEU1173H Large Size, and NEU1173H, containing the technical grade active ingredient iron present as FeHEDTA (herein referred to as FeHEDTA), to control several broadleaved weed species that commonly occur in turf. This document summarizes PMRA's evaluation. The Overview describes the key points of the evaluation, while the Science Evaluation provides detailed technical information on the human health, environmental and value assessments of NEU1173H TGAI and the end-use products. Before making a final registration decision on FeHEDTA, the PMRA will consider all comments received from the public in response to this consultation document.--Includes text from document.
Download or read book El Niño written by Bruno Voituriez and published by UNESCO. This book was released on 2000 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: El Nino, caprice of the heavens, scapegoat for every calamity? The general public cannot really understand what is behind the El Nino phenomenon. The book offers a tour of the Earth's climate to understand one of its normal but extreme components.
Book Synopsis Heritage Sites of Astronomy and Archaeoastronomy in the Context of the UNESCO World Heritage Convention by : Clive L. N. Ruggles
Download or read book Heritage Sites of Astronomy and Archaeoastronomy in the Context of the UNESCO World Heritage Convention written by Clive L. N. Ruggles and published by Ocarina Books. This book was released on 2012 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Thematic Study is a joint venture between ICOMOS, the advisory body to UNESCO on cultural sites, and the International Astronomical Union. It presents an overall vision on astronomical heritage, attempts to identify what constitutes "outstanding universal significance to humankind" in relation to astronomy, and identifies broad issues that could arise in the assessment of cultural properties relating to astronomy. This is the first Thematic Study in any field of science heritage. It is elaborated using examples of properties from around the world, including some already on the World Heritage List or national Tentative Lists. The subject matter ranges from early prehistory to modern astrophysics and space heritage, and also prominently includes dark sky issues and modern observatory sites. An e-version of the Thematic Study was published in June 2010 in time to be presented to the 2010 meeting of UNESCO's World Heritage Committee, where it was duly approved. It has been circulated officially by the WHC to all of UNESCO's National Commissions. This full-colour paperback edition with some updates, and reformatted to new ICOMOS standards, was published in 2011 and is now offered for public sale.
Download or read book Water Saving in Agriculture written by and published by . This book was released on 2008 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emerging Micro-pollutants in the Environment by : Sudarshan Kurwadkar
Download or read book Emerging Micro-pollutants in the Environment written by Sudarshan Kurwadkar and published by ACS Symposium. This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Distributed in print by Oxford University Press."
