The Holocene alluvial plain of the middle Amazon River, Brazil

Geomorphology on large rivers. Special issue

Auteurs :
LATRUBESSE, E.M.
FRANZINELLI, E.
GUPTA, A.

Description :
The fluvial belt of the Amazon River is a complex of Quaternary sedimentary units of different ages and formation conditions. Present position of the channel and the morphology and size of the alluvial plain are related to neo-tectonic lineaments. The river may be considered anastomosed, albeit with few islands and anabranches. The main Holocene units are the impeded floodplain and the channel-dominated floodplain. This very large river system had a complex and delayed response to variations in the hydrological conditions induced by changes in the regional climate during the Late Holocene.


Type de document :
Congrès

Source :
Conference of the International Association of Geomorphologists Working Group on large rivers, Shangai, Chine, 1999, Geomorphology (Amsterdam), issn : 0169-555X, 2002, vol. 44, n°. 3-4, p. 241-257, nombre de pages : 17, Collation : Illustration, Références bibliographiques : 27 ref.

Date :
2002

Editeur :
Pays édition : Pays-Bas, Amsterdam, Elsevier