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Author: Jean-Paul Bravard
Publisher: John Wiley & Sons
ISBN: 1119579864
Category : Science
Languages : en
Pages : 257
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Book Description
The Earth’s oceans are currently undergoing unprecedented changes: rivers have suffered a severe reduction in their sediment transport, and as a result, sediment input to the oceans has dropped lower than ever before. These inputs have varied over millennia as a result of both natural occurrences and human actions, such as the building of dams and the extraction of materials from riverbeds. Sedimentary Crisis at the Global Scale 1 examines how river basins have been affected by the sedimentary crises of various historical epochs. By studying global balances, it provides insights into the profound disruption of the solid transport of fluvial bodies. The book also explores studies of various rivers, from the Amazon, which remains relatively unaffected, to dying rivers such as the Colorado and the Nile.
Author: Jean-Paul Bravard
Publisher: John Wiley & Sons
ISBN: 1119579864
Category : Science
Languages : en
Pages : 257
Get Book Here
Book Description
The Earth’s oceans are currently undergoing unprecedented changes: rivers have suffered a severe reduction in their sediment transport, and as a result, sediment input to the oceans has dropped lower than ever before. These inputs have varied over millennia as a result of both natural occurrences and human actions, such as the building of dams and the extraction of materials from riverbeds. Sedimentary Crisis at the Global Scale 1 examines how river basins have been affected by the sedimentary crises of various historical epochs. By studying global balances, it provides insights into the profound disruption of the solid transport of fluvial bodies. The book also explores studies of various rivers, from the Amazon, which remains relatively unaffected, to dying rivers such as the Colorado and the Nile.
Author: Jean-Paul Bravard
Publisher: John Wiley & Sons
ISBN: 1119597609
Category : Science
Languages : en
Pages : 235
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Book Description
The great deltas of the globe have been threatened for several decades but their decline now appears to be inevitable; they are receding and losing the fertility that supports their tens of millions of inhabitants. Our deltas are victims of the dramatic deterioration in the volume of continental sediment brought by rivers to the oceans. By nature, deltas are fragile eco- and geological organisms. For centuries, they have been subject to human actions in the Mediterranean and European world, and today a deep crisis is affecting the great tropical deltas. A chapter is also devoted to concerns facing the Mississippi, an “aging delta of the new world”. Sedimentary Crisis at the Global Scale 2 discusses possible strategies to protect the deltas of the world – or at least adapt them and their dependencies to the changes they face. Several models are possible, including comprehensive protection (such as in the Netherlands) and cautious and respectful opening to the forces of the oceans in an environment-first perspective.
Author: David J. Cuff
Publisher: Oxford University Press
ISBN:
Category : Nature
Languages : en
Pages : 786
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Book Description
"The Oxford Companion to Global Change provides a concise guide to the realities of a planet in transition, covering such crucial topics as the threat of declining crude oil production, the status of coal-burning technology, and the future of nuclear power. Over 150 scientists and specialists, led by David J. Cuff and Andrew S. Goudie of Temple University and Oxford University respectively, contribute entries on key subjects, demonstrating the social, political, and technological interrelationships between them."--BOOK JACKET.
Author: Geological Society of America
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 354
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Book Description
Author: N. J. McMillan
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 692
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Book Description
The three volumes, " Devonian of the World" constitute the proceedings of the second International Symposium on the Devonian System, sponsored by the Canadian Society of Petroleum Geologists in Calgary Canada in August, 1987.
Author: Jean-Paul Bravard
Publisher: John Wiley & Sons
ISBN: 1786303833
Category : Science
Languages : en
Pages : 252
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Book Description
The Earth’s oceans are currently undergoing unprecedented changes: rivers have suffered a severe reduction in their sediment transport, and as a result, sediment input to the oceans has dropped lower than ever before. These inputs have varied over millennia as a result of both natural occurrences and human actions, such as the building of dams and the extraction of materials from riverbeds. Sedimentary Crisis at the Global Scale 1 examines how river basins have been affected by the sedimentary crises of various historical epochs. By studying global balances, it provides insights into the profound disruption of the solid transport of fluvial bodies. The book also explores studies of various rivers, from the Amazon, which remains relatively unaffected, to dying rivers such as the Colorado and the Nile.
Author: P. T. H. Unwin
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 376
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Book Description
Section 4 includes crop production systems, agribusiness, agrarian production at the local scale, land ownership, transportation, networks (roads, rail, shipping, air), the brain drain, migration, communications, and wildlife exploitation. Section 5 includes political allegiances and stability, revolution, death penalty and refugees. Section 6 includes persuasive cartography, political graphics, underdevelopment, voluntary and agencies and world heritage sites.
Author: Nicholas Bennett Harris
Publisher: SEPM Soc for Sed Geology
ISBN:
Category : Nature
Languages : en
Pages : 296
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Book Description
Depositional models for organic-carbon-rich sediments have been the subjects of both great interest and great controversy for many years. These sediments serve as the ultimate source of virtually all oil and gas. They also represent the interface between biological and geological processes and provide critical evidence for the state of the atmosphere and oceans. Yet despite their importance and decades of research, the origin of these sediments remains the source of vigorous disagreement. The twelve papers in this volume represent the cutting edge of research in this topic. They explore the origin of organic-carbon-rich sediments through a variety of techniques, including sedimentology, geochemistry, paleontology and computer modeling. All papers take multidisciplinary approaches to the topic, and together, they demonstrate the complex interconnected processes that trigger the deposition of organic carbon. This book will appeal to geoscientists in many disciplines, including explorers for petroleum who need models for source rock deposition, organic and inorganic geochemists who study processes in water and sediment, sedimentologists who interpret ancient deposition environments, and climatologists and oceanographers who reconstruct the behavior of the ancient atmosphere and oceans.
Author: Joachim Reitner
Publisher:
ISBN:
Category : Paleontology
Languages : en
Pages : 198
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Book Description
Author: Frederik Johan Hilgen
Publisher: Faculteit Aardwetenschappen Der Rijksuniversiteit Te Utrecht
ISBN:
Category : Science
Languages : en
Pages : 166
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Book Description
