Le produit SCAN Express 25 version 1 est une collection d'images cartographiques numériques en couleurs, obtenue par rasterisation des données cartographiques vecteur suivant un processus de cartographie quasi-automatique de la BD TOPO® complétée par d’autres données IGN. Le produit SCAN Express 25 version 1 se compose d'images numériques sans habillage ni surchage et d'indications de géoréférencement

Physiographic maps for the CIS and Baltic States (CIS_BS), Mongolia, China and Taiwan Province of China. Between the three regions (China, Mongolia, and CIS_BS countries) DCW boundaries were introduced. There are no DCW boundaries between Russian Federation and the rest of the new countries of the CIS_BS. The original physiographic map of China includes the Chinese border between India and China, which extends beyond the Indian border line, and…

Major hydrological basins and their sub-basins. This dataset divides the African continent according to its hydrological characteristics. The dataset consists of the following information:- numerical code and name of the major basin (MAJ_BAS and MAJ_NAME); - area of the major basin in square km (MAJ_AREA); - numerical code and name of the sub-basin (SUB_BAS and SUB_NAME); - area of the sub-basin in square km (SUB_AREA); - numerical code of the…