Current regional and global scale hydrological models, such as the Coupled Routing and Excess STorage (CREST) model, do not take into account the release and storage of water by man-made dams. These models make gross assumptions about dam operation, impairing their accuracy and utility. In many less economically developed areas of the world, it is not possible to acquire information on the timing and extent of water release in dammed regions.
A good photographer needs agility. So it is with ESA microsatellite Proba-1, which turns in space to capture terrestrial targets. Celebrating its tenth birthday this week, Proba-1's unique images are used by hundreds of scientific teams worldwide.
As the UN marked World Food Day earlier this week, international representatives convened in Korea to discuss ways to curb the loss of productive land to desertification. Satellites play an important role in the monitoring and assessment of drylands.
This is event is available for participation on an ongoing basis
BJ-IWGIS 2011 is the eighth forum of this successful series and will take place for the first time outside Beijing. Its main goal is to become a prestigious and high quality international conference that brings together researchers, scientists, engineers, and practitioners to share experiences and research results, and to exchange ideas about all aspects of geo-information science and technology.The workshop series have provided invaluable opportunities for scientists, GIS developers and users to share thei