Pour une interdisciplinarité sociohydrologique
International audience
The world is witnessing major environmental changes, which are a consequence of increasing impacts and pressure on the natural system. Hydrological processes at the catchment scale are sensitive to these changes, and the resulting effect is an increase in the frequency of extreme events such as flooding and droughts, which cause serious damages to ...
The world is witnessing major environmental changes, which are a consequence of increasing impacts and pressure on the natural system. Hydrological processes at the catchment scale are sensitive to these changes, and the resulting effect is an increase in the frequency of extreme events such as flooding and droughts, which cause serious damages to ...
The world is witnessing major environmental changes, which are a consequence of increasing impacts and pressure on the natural system. Hydrological processes at the catchment scale are sensitive to these changes, and the resulting effect is an increase in the frequency of extreme events such as flooding and droughts, which cause serious damages to ...
Pour comprendre le processus de déforestation, nous proposons de le suivre sur 50 ans en reconstituant l'historique cultural annuel d'une population de parcelles limitée par des bassins versants depuis l'usage actuel jusqu'au premier défrichement de la forêt. En lisière de la forêt humide du sud-est malgache, le défrichement des versants est relié ...
Après un rappel des mécanismes d'acquisition des images d'observation de la terre, on fera un survol des différents types d'images disponibles et accessibles dans notre région, en particulier pour le Sud de Madagascar. On montrera également les différences entre ces images, les données d'interprétation de ces images et la vision des observateurs su...