Title:
Sedimentary crisis at the global scale. 2, Deltas, a major environmental crisis
Author:
Bravard, Jean-Paul, author.
ISBN:
9781119597605
9781119597599
Physical Description:
1 online resource
Series:
Geosciences series
Geosciences series.
Contents:
Cover; Half-Title Page; Dedication; Title Page; Copyright Page; Contents; Introduction; Acknowledgments; 1. Deltas: Young, Fragile and Threatened Environments; 1.1. Long-term construction of deltas: general mechanisms; 1.1.1. Processes and basic forms; 1.1.2. Dynamics of construction and redistribution in progress; 1.1.3. Young and unstable areas; 1.2. Some of the Earth's last great natural deltas: two deltas in the Arctic; 1.2.1. The Lena Delta; 1.2.2. The Mackenzie Delta; 1.3. The Earth's deltas: what is their current situation in the face of terrestrial and marine constraints?
1.3.1. The rise in sea levels1.3.2. Sedimentary exhaustion of continents; 1.3.3. Extraction of resources and accelerated subsidence of deltas; 1.4. Subsiding deltas in Southeast Asia; 1.4.1. An example of a young, mainly rural delta, the Huang-He; 1.4.2. Urbanized deltas in Southeast Asia; 1.5. Conclusion; 2. Old Societies and Deltaic Crises; 2.1. Some vulnerable deltas in the Holocene during the long and medium terms; 2.1.1. The Nile Delta, a condensed version of the history of the African climate
2.1.2. The lower Huang-He and its delta: a Holocene metamorphosis under anthropological control2.1.3. The Rhône Delta during the Holocene: fluvial branches and the coastline record the history of its climate and society; 2.2. The Rhine and the Meuse Deltas: from complete control of fluvial and marine waters to attempts at restoration to a natural state; 2.2.1. The fight against fluvial floods; 2.2.2. Hydraulic works and environmental objectives in the dyked zone; 2.2.3. What kind of compatibility or synergy takes place between fluvial restoration and protection against flooding?
2.2.4. Defense of the Netherlands against the sea2.3. Contemporary imbalances in the Old World; 2.3.1. A delta with a reprieve: the Nile Delta; 2.3.2. The Rhône Delta: changes in the basin and the delta; 2.3.3. The Ebro Delta: alone against the sea; 2.3.4. The delta of the Po plain: historical dispersion of weak points; 2.3.5. The Danube Delta: still room for hope; 2.4. Conclusion; 3. Tropical Deltas in Crisis, Between Open and Closed Formations; 3.1. A delta that is both open and alive: the Ganges and Brahmaputra Delta; 3.1.1. Rivers and a delta
3.1.2. The Ganges-Brahmaputra-Meghna plain, the most populated and the poorest on Earth3.2. The Mekong Delta in a suspended status; 3.2.1. A technical machine, constantly more complex; 3.2.2. Extremely worrying emerging factors; 3.2.3. What will be the management choices in the future? Giving preference to the scale of the basin; 3.3. The Niger Delta: unlimited exploitation of black gold; 3.3.1. The deltaic zone; 3.3.2. The effects of the extraction of hydrocarbons on the environment; 3.3.3. Serious social and political stakes at play; 3.4. The Indus Delta, dramatically dried out
Abstract:
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.
Local Note:
John Wiley and Sons
Electronic Access:
https://onlinelibrary.wiley.com/doi/book/10.1002/9781119597599Copies:
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Library | Material Type | Item Barcode | Shelf Number | Status | Item Holds |
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