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Les Impacts Des Changements Climatiques Sur Le Reseau De Drainage
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Book Synopsis The United Nations World Water Development Report – N° 3 - 2009 – Water and Climate Change in Quebec by : Vescovi, Luc
Download or read book The United Nations World Water Development Report – N° 3 - 2009 – Water and Climate Change in Quebec written by Vescovi, Luc and published by UNESCO. This book was released on 2009-12-31 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin - Geological Survey of Canada by : Geological Survey of Canada
Download or read book Bulletin - Geological Survey of Canada written by Geological Survey of Canada and published by . This book was released on 1950 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Natural Resources, Socio-Ecological Sensitivity and Climate Change in the Volta-Oti Basin, West Africa by : Jürgen Runge
Download or read book Natural Resources, Socio-Ecological Sensitivity and Climate Change in the Volta-Oti Basin, West Africa written by Jürgen Runge and published by CRC Press. This book was released on 2020-09-10 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the outcome of an interdisciplinary and international workshop supported by the Volkswagen Stiftung (funding line ‘Knowledge for Tomorrow’) on the topic of ‘Natural Resources, Socio-Ecological Sensitivity and Climate Change in the Volta-Oti Basin, West Africa’. The conference was jointly organised by Goethe-University Frankfurt (Germany) and the University of Kara (Togo) held from March 6 to 8, 2019 in northern Togo. It aimed to strengthen capacities of junior scientists from the sub-region, exchange and mobilise theoretical and methodological background from various scientific fields (Botany, Construction, Geology, Geography, Infrastructure, Politics, Remote Sensing, Sociology and Urban Planning). One goal was to deliver reliable elements for ongoing and profound environmental analyses that lie outside the common questions of the academic and civil society stakeholders. Ecosystem fragmentation and deforestation in West Africa are mainly triggered by humans such as agriculture and small-scale forest disturbances for charcoal and firewood production. Increasing population pressure, declining of carrying capacity and demand for agricultural land caused the reduction of land conservation capacities, even in protected areas. The complexity of interactions between environmental and socio-ecological systems and subsequent effects (sensitivity) has raised ongoing international awareness in light of ongoing climate change. By the example of natural resources, land use and stakeholders’ perceptions within the Volta-Oti Basin the book’s proceedings present, discuss and distribute new findings that will sustainably stimulate the international debate. The workshop also intended to overcome national borders and language barriers between the Anglophone (Ghana) and the Francophone (Benin, Burkina Faso, Ivory Coast, Togo) research communities, and supported better West African cooperation and networking. The young as well as the established partners formed new collaborations, and the event at the University of Kara (Togo) was a truly unique opportunity for all involved, not only to discuss science, but also to assess applied and best future management practices for the Oti-Volta Basin in West Africa.
Book Synopsis Green Infrastructure by : Ian C. Mell
Download or read book Green Infrastructure written by Ian C. Mell and published by Routledge. This book was released on 2018-12-07 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our understandings of the landscapes around us are constantly changing. How we interact with, manage and value these spaces is important, as it helps us to ensure we live in attractive, functional and sustainable places. Green Infrastructure planning is the current ‘go-to’ approach in landscape planning that incorporates human-environmental interactions, understandings of ecology and how socio-cultural factors influence our use of parks, gardens and waterways. This book explores several interpretations of Green Infrastructure bringing together case studies of policy, practice, ecological change and community understandings of landscape. Focusing on how planning policy shapes our interactions with the landscape, as individuals and communities, the book discusses what works and what needs to be improved. It examines how environmental management can promote more sustainable approaches to landscape protection ensuring that water resources and ecological communities are not harmed by development. It also asks what the economic and community values of Green Infrastructure are to illustrate how different social, ecological and political factors influence how our landscapes are managed. The central message of the book focusses on the promotion of multi-functional nature within urban landscapes that helps people, the economy and the environment to meet the challenges of population, infrastructure and economic change. The chapters in this book were origianally published as a special issue in Landscape Research.
Book Synopsis Geomorphic Systems of the Palliser Triangle, Southern Canadian Prairies by : Donald Stanley Lemmen
Download or read book Geomorphic Systems of the Palliser Triangle, Southern Canadian Prairies written by Donald Stanley Lemmen and published by . This book was released on 1998 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Palliser Triangle of south-west Saskatchewan and south-east Alberta is characterized by a variable climate, strong annual moisture deficit, and recurrent drought. Geomorphic systems in such environments are often sensitive to even minor changes in climate. This report considers four geomorphic systems in the Triangle (eolian, fluvial, mass wasting, and soil redistribution) and the ways they are likely to be affected by four climate change scenarios (warmer and drier, warmer and wetter, cooler and drier, and cooler and wetter), with the focus on the first scenario as being the most likely for the southern prairie region. The report begins with an overview of the Triangle's geological setting and its climate, vegetation, and soils. It then discusses the four geomorphic systems, and concludes with a qualitative discussion of the potential impacts of the climate change scenarios on each system and related human activities such as agriculture.
Book Synopsis Transactions - Congress on Irrigation and Drainage by :
Download or read book Transactions - Congress on Irrigation and Drainage written by and published by . This book was released on 1993 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamique de l'érosion continentale aux grandes échelles de temps et d'espace by : Dimitri Lague
Download or read book Dynamique de l'érosion continentale aux grandes échelles de temps et d'espace written by Dimitri Lague and published by . This book was released on 2003 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'évolution à long terme des reliefs continentaux résulte de couplages complexes entre processus d'érosion et mouvements tectoniques qui tendent à s'équilibrer pour atteindre éventuellement un état stationnaire. La partie érosion de ces couplages est gouvernée par l'interaction entre des processus élémentaires de versant et de rivière, étroitement couplés, qui contrôlent l'organisation spatiale du réseau de drainage. Ces processus sont caractérisés par des vitesses d'érosion et de transport lentes sur les versants et très rapides dans les rivières, et dépendent souvent non-linéairement de la pente topographique et du flux d'eau. Il en résulte une dynamique complexe à l'échelle locale dont les conséquences à l'échelle continentale sur la vitesse et les volumes de matière transportés ne sont pas encore comprises. L'objectif de cette thèse a été de comprendre et modéliser cette dynamique à l'échelle des temps géologiques, dans le cadre de perturbations tectoniques simples, et pour des conditions climatiques constantes. Nous utilisons un modèle numérique permettant de simuler l'interaction de différents processus d'érosion de versant et de transport fluvial. Les solutions hors équilibre prédites par ce modèle ne pouvant être validées analytiquement ou à partir de données naturelles, une approche expérimentale inédite a été développée. Elle permet d'étudier précisément l'évolution d'une topographie soumise à l'action simultanée d'une surrection simple et de processus d'érosion et de transport par ruissellement. Au cours d'une expérience, la surface s'auto organise d'abord en une série de bassins versants de géométrie similaire aux systèmes naturels, puis l'altitude moyenne du système s'approche quasi-exponentiellement d'une valeur constante, traduisant un état d'équilibre macroscopique. L'analyse couplée des expériences et des simulations numériques montre que cette dynamique dépend fortement de la présence de zones de drainage internes non-connectées aux conditions limites du système, du degré de non-linéarité entre érosion et pente topographique et de l'existence d'un seuil d'érosion. A partir de l'analyse de systèmes naturels, via le formalisme de la relation pente-aire drainée, nous mettons en évidence l'existence d'un tel seuil dans les systèmes naturels. Pour ce faire nous avons développé un nouveau critère morphologique permettant de caractériser l'état dynamique des reliefs naturels. L'hypothèse d'équilibre dynamique entre érosion et tectonique, nécessaire à l'interprétation correcte des relations entre formes topographiques et processus d'érosion, peut être ainsi (in)validée. Ces résultats suggèrent que le seuil d'érosion habituellement négligé dans le calibrage des lois d'érosion élémentaires doit être explicitement pris en compte pour prédire correctement les formes topographiques naturelles, la dynamique de la croissance des réseaux de drainage et les relations à l'échelle continentale entre taux de dénudation et paramètres topographiques.
Author :Conférence européenne des ministres responsables de l'aménagement du territoire. (11 : 1998 : Limassol), Council of Europe Publisher :Council of Europe ISBN 13 :9789287135759 Total Pages :154 pages Book Rating :4.1/5 (357 download)
Book Synopsis Les défis pour la société européenne à l'aube de l'an 2000 by : Conférence européenne des ministres responsables de l'aménagement du territoire. (11 : 1998 : Limassol), Council of Europe
Download or read book Les défis pour la société européenne à l'aube de l'an 2000 written by Conférence européenne des ministres responsables de l'aménagement du territoire. (11 : 1998 : Limassol), Council of Europe and published by Council of Europe. This book was released on 1998-01-01 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Parliamentarian written by and published by . This book was released on 2014 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis L'Urbanisation diversifiée by : Madio Fall
Download or read book L'Urbanisation diversifiée written by Madio Fall and published by World Bank Publications. This book was released on 2016-09-12 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: La Côte d’Ivoire est en quête d’une stratégie de développement qui lui permettra d’atteindre le statut de pays à revenu intermédiaire, ce qui représente un défi qui nécessiterait un taux de croissance annuel de 10 % pendant plus de 13 ans. L’expérience des économies développées et émergentes démontre que le produit intérieur brut (PIB) par habitant augmente avec la progression de l’urbanisation. Néanmoins, l’économie de la Côte d’Ivoire affiche des performances insuffisantes sur le plan de l’urbanisation. L’urbanisation et le revenu par habitant ont une corrélation négative depuis la fin des années 1970, et la pauvreté augmente.Au lieu d’envisager le développement des villes individuellement, un plan d’urbanisation réussie devrait considérer les villes de la Côte d’Ivoire comme un portefeuille d’actifs qui se distinguent les uns des autres par leur taille, leur emplacement et la densité de leur population.Les auteurs de L’Urbanisation diversifiée : Le cas de la Côte d’Ivoire identifient trois types de villes, fondées sur leurs contributions à la croissance et à la création d’emplois : les connecteurs globaux ; les connecteurs régionaux, situées le long des corridors d’échanges et des transports régionaux ; et les connecteurs locaux, qui génèrent les économies de localisation nécessaires à l’agro-industrie.Les parties prenantes des administrations nationales et infranationales et du secteur privé ont formulé une vision commune de l’urbanisation en Côte d’Ivoire : « villes planifiées, structurées, compétitives, attractives, inclusives et organisées autour de pôles de développement ». Afin de réaliser cette vision et d’atteindre le statut de pays à revenu intermédiaire, les décideurs politique ivoiriens doivent agir de toute urgence pour promouvoir une urbanisation diversifiée pour tous les types de villes. Cette présente étude identifie des contraintes principales et des enjeux dans quatre domaines : la planification, les connexions, l’écologisation, et le financement des villes.
Book Synopsis De l'optique au radar, les applications de Spot et Ers by : Centre national d'études spatiales (France)
Download or read book De l'optique au radar, les applications de Spot et Ers written by Centre national d'études spatiales (France) and published by Editions Cépaduès. This book was released on 1993 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Africa Geoscience Review written by and published by . This book was released on 1996 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Unsaturated Flow in Hydrologic Modeling by : H.J. Morel-Seytoux
Download or read book Unsaturated Flow in Hydrologic Modeling written by H.J. Morel-Seytoux and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume certainly is a Conference Proceedings, the Proceedings of the NATO Advanced Research Workshop (ARW) on "Unsaturated Flow in Hydrologic Modeling" held at "Les Villages du Soleil" near ArIes, France from June 13 to 17, 1988. Let me therefore acknowledge properly, at the very beginning, the gratitude of all the participants to the NATO Science Committee for its generous support and worthwhile goal of bringing together scientists of many countries to communicate and share their experiences. Particular thanks are extended to the director of the program, Dr. Luis Vega da Cunha for his interest and understanding. On the other hand this volume is also, and probably more so, a Textbook that fills a gap in the field of unsaturated flow. Many treatises on the subject present the theory in its different aspects. Hardly any explain in details how the different pieces can be put together to address realistic problems at the basin scale. The various invited contributions to the ARW were structured in a subject progression much as chapters are organized in a book. The intent of the ARW was to assess the current state of knowledge in "Unsaturated Flow" and its use in "Hydrologic Modeling Practice". In a sense the interest in fundamentals of unsaturated flow in this ARW was not just for the sake of knowledge but also and primarily for the sake of action. Can such fundamental knowledge be utilized for better management of the water resource? was the basic question.
Book Synopsis The Mediterranean region under climate change by : Collectif
Download or read book The Mediterranean region under climate change written by Collectif and published by IRD Éditions. This book was released on 2018-11-19 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been published by Allenvi (French National Alliance for Environmental Research) to coincide with the 22nd Conference of Parties to the United Nations Framework Convention on Climate Change (COP22) in Marrakesh. It is the outcome of work by academic researchers on both sides of the Mediterranean and provides a remarkable scientific review of the mechanisms of climate change and its impacts on the environment, the economy, health and Mediterranean societies. It will also be valuable in developing responses that draw on “scientific evidence” to address the issues of adaptation, resource conservation, solutions and risk prevention. Reflecting the full complexity of the Mediterranean environment, the book is a major scientific contribution to the climate issue, where various scientific considerations converge to break down the boundaries between disciplines.
Book Synopsis Modeling and Practice of Erosion and Sediment Transport under Change by : Mohamed Meddi
Download or read book Modeling and Practice of Erosion and Sediment Transport under Change written by Mohamed Meddi and published by MDPI. This book was released on 2019-09-17 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate and anthropogenic changes impact the conditions of erosion and sediment transport in rivers. Rainfall variability and, in many places, the increase of rainfall intensity have a direct impact on rainfall erosivity. Increasing changes in demography have led to the acceleration of land cover changes in natural areas, as well as in cultivated areas, and, sometimes, in degraded areas and desertified landscapes. These anthropogenized landscapes are more sensitive to erosion. On the other hand, the increase in the number of dams in watersheds traps a great portion of sediment fluxes, which do not reach the sea in the same amount, nor at the same quality, with consequences on coastal geomorphodynamics. This book is dedicated to studies on sediment fluxes from continental areas to coastal areas, as well as observation, modeling, and impact analysis at different scales from watershed slopes to the outputs of large river basins. This book is concentrated on a number of keywords: “erosion” and “sediment transport”, “model” and “practice”, and “change”. The keywords are briefly discussed with respect to the relevant literature. The contributions in this book address observations and models based on laboratory and field data, allowing researchers to make use of such resources in practice under changing conditions.
Book Synopsis Predictions in Ungauged Basins by : Murugesu Sivapalan
Download or read book Predictions in Ungauged Basins written by Murugesu Sivapalan and published by . This book was released on 2006 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Francis bibliographie géographique internationale by :
Download or read book Francis bibliographie géographique internationale written by and published by . This book was released on 1994 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
