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Assessment of gully erosion rates through interviews and measurements : a case study from northern Ethiopia

Gully erosion in mountain areas : processes, measurement, modelling and regionalization

Auteurs :
NYSSEN, J.
POESEN, J.
VEYRET-PICOT, M.
MOEYERSONS, J.
HAILE, M.
DECKERS, J.
DEWIT, J.
NAUDTS, J.
TEKA, K.
GOVERS, G.
WAINWRIGHT, J.

Description :
Gullying has been widespread in the Ethiopian Highlands during the 20th century. In the absence of historical written or photographic documentation, the AGERTIM method (Assessment of Gully Erosion Rates Through Interviews and Measurements) has been developed. It comprises measurements of contemporary gully volumes, monitoring of gully evolution over several years and semi-structured interview techniques. Gully erosion rates in the Dogu'a Tembien District, Tigray, Ethiopia, were estimated in 3 representative case-study areas. The results reveal that rapid gully development in the study area is some 50 years old and is mainly caused by human-induced environmental degradation.


Type de document :
Congrès

Source :
Conférénce internationale Gully erosion in mountain areas : processes, measurement, modelling and regionalization, Digne, France, 2003-10, Earth surface processes and landforms, issn : 0197-9337, 2006, vol. 31, n°. 2, p. 167-185, nombre de pages : 19, Collation : Illustration, Références bibliographiques : 49 ref.

Date :
2006

Editeur :
Pays édition : Royaume-Uni, Chichester, Wiley

Langue :
Anglais
Droits :
Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI)