Journal article

Stormflow generation and flowpath characteristics in an Amazonian rainforest catchment

H Elsenbeer, RA Vertessy

Hydrological Processes | Published : 2000

Abstract

The Amazon basin covers an area of roughly 7 x 106 km2 and encompasses diverse soil-landscape types with potentially differing hydrological behaviour. This study was conducted in the Ultisol landscape of the western Amazon basin in Peru. Processes of stormflow generation were investigated on an event basis in a first-order rainforest catchment to establish a causal link between soil physical and precipitation characteristics, hillslope flowpaths and stormflow hydrograph attributes. A sharp decrease in soil hydraulic conductivity with depth and high rainfall intensity and frequency favour rapid near-surface flowpaths, mainly in the form of saturation-excess overland flow and return flow. The ..

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