Elementary Analyses on the Progress of Grassland Fire Disaster Information Management Technique.

Wide application of '3S'technology and rapid development of IT provide a techno-sustentation conditions for developing of the technique for obtainment and management of grassland fire disaster information.Since the eighties,the way of obtaining grassland fire disaster information by remote sensing technology has expedited the development of grassland fire disaster information management technique,and it entered a new developing stage of grassland fire disaster information management techniques in 1990s.