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Radiometrie Micro Onde Et Estimation Des Bilans Hydrique Et Energetique Des Surfaces Continentales
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Book Synopsis Radiométrie micro-onde et estimation des bilans hydrique et énergétique des surfaces continentales by : Jean-Christophe Calvet
Download or read book Radiométrie micro-onde et estimation des bilans hydrique et énergétique des surfaces continentales written by Jean-Christophe Calvet and published by . This book was released on 1996 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'EMISSION DES SURFACES CONTINENTALES DANS LE SPECTRE MICRO-ONDE (0.4 A 250 GHZ) DEPEND DE LA TEMPERATURE ET DE L'ETAT HYDRIQUE DE LA SURFACE. EST MISE EN UVRE UNE METHODE D'INTERPRETATION DES LUMINANCES MICRO-ONDE EN TERMES DE PARAMETRES GEOPHYSIQUES DE LA SURFACE CONTINENTALE OBSERVEE IN SITU, PAR AVION, OU PAR SATELLITE. LES EFFETS ATMOSPHERIQUES SONT PRIS EN COMPTE A PARTIR D'OBSERVATIONS ET/OU DE SORTIES DE MODELES METEOROLOGIQUES. LES MODELES DES PROPRIETES DIELECTRIQUES DU SOL QUI EXISTENT NE SONT VALABLES QU'AUX BASSES FREQUENCES. UN NOUVEAU MODELE VALABLE AUX HAUTES FREQUENCES (>20 GHZ) EST PROPOSE. L'EMISSION DE LA VEGETATION EST DECRITE A L'AIDE DE MODELES PHYSIQUES DE TRANSFERT RADIATIF AU SEIN DU COUVERT VEGETAL. DIVERS TYPES DE SURFACES ONT ETE EXAMINES (FORET AMAZONIENNE, ZONES SEMI-ARIDES), DANS LE CADRE DE CAMPAGNES DE MESURE OFFRANT LES JEUX DE DONNEES NECESSAIRES A L'ETALONNAGE DES MODELES ET A LA VALIDATION DES PARAMETRES OBTENUS PAR INVERSION. EN UTILISANT DIVERSES GAMMES DE FREQUENCES IL EST POSSIBLE D'ESTIMER LES PROFILS VERTICAUX DE TEMPERATURE ET DE CONTENU EN EAU DU COUVERT AMAZONIEN. UN MODELE LAGRANGIEN DES ECHANGES D'EAU ET DE CHALEUR ENTRE LA VEGETATION ET L'ATMOSPHERE PERMET D'ANALYSER LA COHERENCE DES OBSERVATIONS. DANS LE CAS DES ZONES SEMI-ARIDES ON PEUT ACCEDER AU CONTENU EN EAU DE LA COUCHE SUPERFICIELLE DU SOL (QUELQUES MILLIMETRES) AUX HAUTES FREQUENCES DANS LE CAS D'UNE VEGETATION EPARSE. L'ANALYSE D'OBSERVATIONS AEROPORTEES REALISEES AU SAHEL DURANT UNE SAISON DES PLUIES MONTRE QU'EN UTILISANT EN MEME TEMPS BASSES ET HAUTES FREQUENCES IL EST POSSIBLE D'ESTIMER TEMPERATURE DU COUVERT ET CONTENU EN EAU SUPERFICIEL DU SOL. DES DONNEES SATELLITALES HAUTES FREQUENCES ET INFRAROUGE SUR L'ESPAGNE SONT ETUDIEES EN CONDITIONS SECHES. LA TEMPERATURE DE SURFACE EST ESTIMEE A PARTIR DES DONNEES MICRO-ONDES. UN BON ACCORD EST OBSERVE AVEC LA TEMPERATURE DE SURFACE OBTENUE A PARTIR DE L'INFRAROUGE
Book Synopsis Water Resources in the Mediterranean Region by : Mehrez Zribi
Download or read book Water Resources in the Mediterranean Region written by Mehrez Zribi and published by Elsevier. This book was released on 2020-06-14 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Resources in the Mediterranean Region summarizes and collates scientific developments around water resources in the Mediterranean socio-economic environment through a multidisciplinary framework synthesizing hydrology, hydrogeology, climate, bioclimatology, economics, and geography. As such, it provides essential information for any reader looking to learn more about the Mediterranean which is experiencing the impact of climate change and concurrent complex issues of anthropogenic effects, especially in agriculture and other resource uses. Water Resources in the Mediterranean Region covers different challenges in the issue of the evolution of water resources in the Mediterranean. It is intended for PhD students, research scientists, and managers interested in new solutions and approaches for water management and in the forecast of future water dynamics. Offers multidisciplinary content providing global visions of the challenges faced in the Mediterranean region Presents fundamental and operational studies, providing the reader with information on how to implement these actions and results themselves Written in a pedagogical manner, allowing for ease of reading for both researchers and water managers
Book Synopsis Earth Surface Processes, Landforms and Sediment Deposits by : John Bridge
Download or read book Earth Surface Processes, Landforms and Sediment Deposits written by John Bridge and published by Cambridge University Press. This book was released on 2008-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique, advanced textbook combining sedimentology and geomorphology in a comprehensive and integrated way.
Book Synopsis Radiocarbon After Four Decades by : Ervin Taylor
Download or read book Radiocarbon After Four Decades written by Ervin Taylor and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiocarbon After Four Decades: An Interdisciplinary Perspective commemorates the 40th anniversary of radiocarbon dating. The volume presents discussions of every aspect of this dating technique, as well as chronicles of its development and views of future advancements and applications. All of the 64 authors played major roles in establishment, development or application of this revolutionary scientific tool. The 35 chapters provide a solid foundation in the essential topics of radiocarbon dating: Historical Perspectives; The Natural Carbon Cycle; Instrumentation and Sample Preparation; Hydrology; Old World Archaeology; New World Archaeology; Earth Sciences; and Biomedical Applications.
Download or read book Cities at Risk written by Helene Joffe and published by Springer Science & Business Media. This book was released on 2013-03-27 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the major growth of the world’s population over the past century, as well as rapid urbanisation, people increasingly live in crowded cities. This trend is often accompanied by proliferation of poorly built housing, uncontrolled use of land, occupation of unsafe environments and overstretched services. When a natural hazard strikes such a city many people are vulnerable to loss of life and property. This book explores what these people think and feel about the threats that they face. How do they live with perils ranging from earthquakes to monsoons, from floods to hurricanes, in the 21st century? The authors are drawn from a large range of disciplines: Psychology, Engineering, Geography, Anthropology and Urban Planning. They also reflect on how perils are represented in multiple cultures: the United States, Japan, Turkey, Bangladesh, the United Kingdom and New Zealand. The book therefore not only brings to light the ways that different cultures represent natural hazards but also the different ways in which various disciplines write about living with perils in the 21st century. The book is addressed both to researchers and to organizations involved with risk management and risk mitigation.
Book Synopsis Application of Tracers in Arid Zone Hydrology by : Eilon M. Adar
Download or read book Application of Tracers in Arid Zone Hydrology written by Eilon M. Adar and published by . This book was released on 1995 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Land Ocean Interaction by : D. Huntley
Download or read book Land Ocean Interaction written by D. Huntley and published by IWA Publishing. This book was released on 2000-12-01 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The UK Land-Ocean Interaction Study (LOIS) provided a major opportunity to measure and model the processes controlling the fluxes of materials between river basins and coastal seas. The main programme of research took place between 1992 and 1998, funded by the UK Natural Environment Research Council, and involved approximately 360 coastal researchers contributing to more than 70 collaborative projects. This book presents accessible summaries of key results of this research. The ten chapters of the book are written by leading contributors to the programme, and cover aspects of the physical, sedimentological, chemical and biological processes controlling fluxes between river catchments and coastal seas in temporate environments. Major overarching themes for all of the chapters include the persistence, storage, degradation and transport of pollutants from catchment to coastal sea, and an emphasis on the relevance of research for river and coastal water quality management. The chapters also describe a number of important technological advances in the measurement of processes and longer term monitoring of the fluvial, estuarine and coastal environments. Approaches to monitoring were also transferred between disciplines, in many cases for the first time. The rivers and coastal programme of LOIS was unique in its scale and inter-disciplinarity and its results are of lasting value. This book provides a useful and important summary of many of its results and an effective introduction to the research for those who want to delve more deeply into the data and published papers. It will be of interest to scientists, environmental managers and scientific policy makers. Contents Background and Context of the Programme River and Estuary Management Issues in the Humber Catchment Suspended Sediment Fluxes from River Basins River Chemistry Modelling of Large-Scale River Basins Tidal Reaches Estuarine Sediments The Intertidal Zone The Holderness Coast Estuarine Chemistry
