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A research summary of the causes and effects of megaflooding on Earth and Mars, for hydrologists, planetary scientists and engineers.
Rivers are significant geomorphological agents, they show an amazing diversity of form and behaviour and transfer water and sediment from the land surface to the oceans. This book examines how river systems respond to environmental change and why this understanding is needed for successful river management. Highly dynamic in nature, river channels adjust and evolve over timescales that range from hours to tens of thousands of years or more, and are found in a wide range of environments. This book provides a comprehensive overview of recent developments in river channel management, clearly illustrating why an understanding of fluvial geomorphology is vital in channel preservation, environment...
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Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 107. Bedrock river channels are sites of primary erosion in the landscape, fixing the baselevel for all points upstream. This volume provides for the first time an integrated view of the characteristics and operation of this important, though hitherto neglected, class of channels. Examples are provided from several continents and cover a wide range of spatial scales from the large river basins (such as the Colorado River in the United States and the Indus River in Pakistan) down to reach scales and individual sites. Likewise the geologic timescales considered range from erosion and transportation during individual flows to accumulated effects over periods of tens of millions of years.
In 1759, Voltaire in Candide referred to Canada as "quelques arpents de neige." For several centuries, the image prevailed and was the one most frequently used by poets, writers, and illustrators. Canada was perceived and portrayed as a cold, hard, and unforgiving land. this was not a land for the fainthearted. Canada has yieled its wealth only reluctantly, while periodically threatening life itself with its displays of fury. Discovering its beauty and hidden resources requires patience and perseverance. A Few Acres of Snow is a colletion of twenty-two essays that explore, from the geographer's perspective, how poets, artists, and writers have addressed the physical essence of Canada, both landscape and cityscape. "Sense of place" is clearly critical in the works examined in this volume. Included among the book's many subjects are Hugh MacLennan, Gabrielle Roy, Lucius O'Brien, the art of the Inuit, Lawren Harris, Malcolm Lowry, C.W. Jefferys, L.M. Montgomery, Elizabeth Bishop, Marmaduke Matthews, Antonine Mailet, and the poetry of Japanese Canadians.
"A fine treatment of this critical time in geology's history. Although it goes against our standard histories of the field, Laudan defends her views convincingly. Her style is direct, with carefully reasoned personal opinions and interpretations clearly defined."—Jere H. Lipps, The Scientist
Climate change is one of the inescapable themes of current times. Climate change confronts society in issues as diverse as domestic and international political debate and negotiation, discussion in the media and public opinion, land management choices and decisions, and concerns about environmental, social and economic priorities now and for the future. Climate change also spans spatial, temporal and organisational scales, and has strong links with nature-society relationships, environmental dynamics, and vulnerability. Understanding the full range of possible consequences of climate change is essential for informed decision making and debate. This book provides a collection of chapters that...
In this synthesis of urban geography and environmental studies, ten scholars explore the complex physical and human characteristics of Canada's best known region. They attempt to formulate a geopolitical blueprint for preservation of both the natural elements and future enterprise.
A proposal for a new way to understand cities and their design not as artifacts but as systems composed of flows and networks. In The New Science of Cities, Michael Batty suggests that to understand cities we must view them not simply as places in space but as systems of networks and flows. To understand space, he argues, we must understand flows, and to understand flows, we must understand networks—the relations between objects that compose the system of the city. Drawing on the complexity sciences, social physics, urban economics, transportation theory, regional science, and urban geography, and building on his own previous work, Batty introduces theories and methods that reveal the deep...