IGB

Connexion

(Article of periodic en Anglais - 2014)

Document title

Modeling soil erosion and river sediment yield for an intermountain drainage basin of the Central Apennines, Italy

Authors(s) and Affiliation(s)

BORRELLI P. (1 2) ; MÄRKER M. (3 4) ; PANAGOS P. (2) ; SCHÜTT B. (1) ;
(1) Dept. of Earth Sciences, Physical Geography, Freie Univ., Berlin, ALLEMAGNE
(2) Joint Research Centre, Inst. for Environment and Sustainability, Land Management and Natural Hazards Unit, Ispra, ITALIE
(3) Dept. of Agronomy and Land Management, Univ., Florence, ITALIE
(4) Heidelberg Academy of Sciences and Humanities, ROCEEH, Tübingen, ALLEMAGNE

Abstract

The AA. focused on accelerated soil erosion processes in an Italian central Apennine intermountain watershed using modeling techniques implemented in a GIS environment. They proposed an integrated modeling approach applying a RUSLE model and a Turbidity Unit (TU) Index. The model outcomes were validated through measurements of lake sediment deposition. The findings indicate a potential high soil erosion risk. The validation of the model outcomes revealed that the TU Index model performed significantly better than the RUSLE model with regard to sediment yield prediction. Accordingly, the AA. found that even though rill and interrill processes reach very alarming values (RUSLE), they are not the dominant sediment source within the Turano watershed. Other geomorphological processes contributing to the watershed sediment yield – for instance, megarill, gully, bank and channel erosion and re-entrainment of landslide sediments – were very active in the study area.

Source

Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2014, vol. 114 [pp. 45-58]

Bibliographic references : 1 p.

Collation : 9 fig., 4 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2013.10.007

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
Refdoc record number (ud4) : 28337766 : Permanent link - XML version
Powered by Pxxo