Suivi par télédétection de la sécheresse de l'année 2000 dans la dépression de la Transylvanie
Résumé
The 2000 drought affected Eastern Europe, especially Romania and Bulgaria. The way that it was experienced in Transylvania was analyzed using two indices: a climatic index calculated with a water balance base and a satelite index called NDVI (Normalized Difference Vegetation Index). The satelite index is derived from the NOOA - AVHR satelite images. The comparative analysis between the two indices allowed us to investigate the space and time characteristics inside the Carpathian Arch. Both methods, used in France already, proved valid in the Transylvanian Depression offering a perspective for monitoring the drought cycles.