Base de données du Système mondial d’information et d’alerte rapide (SMIAR)
Ressources
-
GIEWS Earth observation – country indicatorsSite Web
Country level maps and graphs that depict the latest 36-month period of the seasonal, vegetation and precipitation indicators. The data are presented by dekad and month.
-
GIEWS Earth observation – global indicatorsSite Web
The vegetation indicators (NDVI anomaly, VCI and VHI) provide alternative measures of the relative vegetation health. These indices can be used to monitor areas where vegetation may be stressed, as a proxy to detect potential drought. The precipitation indicators present a global analysis of the...
-
GIEWS Earth observation – seasonal global indicatorsSite Web
The seasonal indicators are designed to allow easy identification of areas of cropped land with a high likelihood of water stress (drought). The indices are based on remote sensing data of vegetation and land surface temperature combined with information on agricultural cropping cycles derived...
Bases de données
Info additionnelle
| Genre d'activité | Collecte de données et d’informations |
|---|---|
| Focus géographique | Monde |
| Collection mise à jour | January 2023 |