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Sedimentary Crisis at the Global Scale 1

Author: Jean-Paul Bravard

Publisher: John Wiley & Sons

Published: 2019-03-04

Total Pages: 252

ISBN-13: 1119579864

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.

Sedimentary Crisis at the Global Scale 1

Author: Jean-Paul Bravard

Publisher: John Wiley & Sons

Published: 2019-03-07

Total Pages: 235

ISBN-13: 1119579856

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Sedimentary Crisis at the Global Scale 2

Author: Jean-Paul Bravard

Publisher: John Wiley & Sons

Published: 2019-03-04

Total Pages: 230

ISBN-13: 1119597609

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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.

Sedimentary Crisis at the Global Scale

Author: Jean-Paul Bravard

Publisher:

Published: 2019

Total Pages: 0

ISBN-13:

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Volume 2: "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." --

Devonian of the World: Sedimentation

Author: N. J. McMillan

Publisher:

Published: 1988

Total Pages: 692

ISBN-13:

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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.

The Oxford Companion to Global Change

Author: David J. Cuff

Publisher: Oxford University Press

Published: 2009

Total Pages: 786

ISBN-13:

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"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.

Atlas of World Development

Author: P. T. H. Unwin

Publisher:

Published: 1994

Total Pages: 376

ISBN-13:

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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.

U.S. National Report, 1975-1978

Author:

Publisher:

Published: 1979

Total Pages: 158

ISBN-13:

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The Deposition of Organic-carbon-rich Sediments

Author: Nicholas Bennett Harris

Publisher: SEPM Soc for Sed Geology

Published: 2005

Total Pages: 296

ISBN-13:

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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.

Sand and Sustainability

Author: Programme des Nations Unies pour l'environnement. GRID-Geneva

Publisher:

Published: 2019

Total Pages: 35

ISBN-13: 9789280737516

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Sand and gravels are the unrecognised foundational material of our economies. They are mined the world over, with aggregates accounting for the largest volume of solid material extracted globally (Peduzzi, 2014; Beiser, 2018). At the same time, these materials cannot be produced from our terrestrial, riverine and marine environments in quantities needed to meet demand from a world of 10 billion people without effective policy, planning, regulation and management. Such actions remain largely unaddressed by decision makers in public or private sectors. It is time to challenge the paradigm of infinite sand resources through constructive dialogue and solution-finding. This report aims to be the starting point from which a productive global conversation on sand extraction can begin. This synthesis was produced following a United Nations Environment Programme expert roundtable event held on 11 October 2018 in Geneva, Switzerland. The discussions emphasised potential solutions for mitigating mineral sands and aggregates extraction impacts and generating adequate support for responsible consumption pathways. Expert views were collated and complemented with additional research and consultation to distil key messages on an agenda for tackling this issue in 2019 and beyond.