The timing of alluvial sedimentation and floodplain formation in the lowland humid tropics of Ghana, Sierra Leone and western Kalimantan (Indonesian Borneo)

Special issue : Floodplain evolution

Auteurs :
THORP, M.
THOMAS, M.
BRAKENRIDGE, G. R.
HAGEDORN, J.

Description :
Temporal patterns in floodplain genesis and alluvial sedimentation in lowlands tropical rain forest zones of Ghana, Sierra Leone and western Kalimantan (Indonesian Borneo) based upon 14C age determinations are described. The AA. propose that periods of more frequent episodes of accelerated floodplain erosion and reconstitution, channel morpho-sedimentary activity and alluvial accumulation (1) are responses to interstadial and interglacial periods of higher precipitation following intervening periods of cooler and drier conditions; and (2) may be synchronous during the last 60 ka throughout the African and Asian inner humid lowland tropics.


Type de document :
Article de monographie

Source :
Geomorphology (Amsterdam), issn : 0169-555X, 1992, vol. 4, n°. 6, p. 409-422, Collation : Illustration, Références bibliographiques : 41 réf.

Date :
1992

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