Assessing the seasonal variability of ephemeral gully erosion using high-frequency monitoring: case study in a fully cultivated catchment (The Pommeroye, Northern France)

Edouard Patault1,2, Claire Alary1, Christine Franke2, Arnaud Gauthier1 and Nor-Edine Abriak1, (1)IMT Lille Douai, Univ. Lille, EA 4515 – LGCgE, Civil Engineering and Environmental department, F-59000 Lille, France, (2)Mines ParisTech, Centre de Géosciences, 35 rue Saint-Honoré, 77305 Fontainebleau Cedex, France