L’embouchure de l'Amazone, macro-frontière géomorphologique : enseignements de 30 années de recherches franco-brésiliennes sur les systèmes côtiers amazoniens
The Mouth of the Amazon River, considered to be the largest river on Earth, is a geomorphological macro-frontier between two coastal blocks : the Guiana Shield coastal fringe (from Amapa to Venezuela) and the Para/Maranhao block (North Brazil). It also constitutes a vast geological domain that links...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Confins
2018-01-01
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| Series: | Confins |
| Subjects: | |
| Online Access: | https://journals.openedition.org/confins/12568 |
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| Summary: | The Mouth of the Amazon River, considered to be the largest river on Earth, is a geomorphological macro-frontier between two coastal blocks : the Guiana Shield coastal fringe (from Amapa to Venezuela) and the Para/Maranhao block (North Brazil). It also constitutes a vast geological domain that links the Amapa Platform, the Marajo Basin and the Para/Maranhao Platform. This Paper brings a synthetic view on this coastal compartment. It refers to a large number of multidisciplinary scientific results, and to remote sensing breakthroughs in environmental monitoring. The main purpose of the Paper is to enlight the role of the Mouth as a threshold in regional and local dinamics and processes. The geomorphological analysis relies on a taxonomy of facts and on dialectics between types and individuals. Final considerations are focused on environmental indicators and on current trends in coastal evolution in the Amazon.Warning : this text constitutes the first Part of the Paper. The second Part of the Paper will be published in the next volume of CONFINS. |
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| ISSN: | 1958-9212 |