Hydrometeorological observations within 6 embedded catchments (from 0.3 to 3.9 km2). Mediterranean climate with heavy rainfall and flash floods in automn. The geology is mainly granite. The land use is mainly forest. This site is typical of the Cévennes region. More information at http://www.ohmcv.fr

Hydrometeorological and biogeochemical observations within 5 embedded catchments (from 0.2 to 14.5 km2). Alpine Mediterranean climate with heavy rainfall and flash floods in automn. The geology is mainly granite. The land use is mainly grassland and forest. More information at http://www.ohmcv.fr

Hydrometeorological observations within 3 embedded catchments (0.9, 2.6 and 14.5 km2). Mediterranean climate with heavy rainfall and flash floods in automn. The geology is mainly shale. The land use is mainly forest. This site is typical of the Cévennes region. More information at http://www.ohmcv.fr