Maraga F., Pelissero C., 2008, Charge de fond et débits en comparaison dans un petit cours d’eau équipé des Alpes piémontaises (Italie), 5 (2008): 123–129.,
URL: http://www.cnr.it/prodotto/i/41663

Coarse sediment delivery in the hydrographical network of a small mountain basin (1,08 km2) marked by erosion processes in the channels and watersheds is the object of our researches on sediment transport, carried out by means of field measurement experiences of the quantity and mechanism of the sediment transfer at the flood event and annual scales. Since 1982 sand and gravel transport is measured as bed load in a river reach that is instrumented at the outlet of the hydrographic network close to the water stage station 120 long, being the mean slope 0,9 %. At the water stage station of the outlet, mean bed load is 32 m3/km2 year, from data collected of the sediment volumes in a sedimentary trap equipped in the channel bed. Measurements carried out in the instrumented reach and in the sedimentary trap by tracers and topographical surveys pointed out that traveled distances of cobbles and pebbles depend on peak flow while trapped volumes are related to water volumes and to sediment supply just upstream the trap. Indeed, elevation bed changes displayed a sediment transfer wave pattern. In this paper the 25 years 1982-2006 sediment transport results are presented and sediment delivery after 2002 has decreased below the mean value.

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