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Background

The establishing of Global Earth Observation and Data Analysis Center (GEODAC) stems from the urgent need of global earth observations and data analysis from countries all over the world. In recent years, the trend of global warming has accelerated considerably, which results in more frequent extreme weather events and poses direct threats to disaster, health, energy, climate changes, ecological system, agriculture, biodiversity, water resource and meteorology. It is therefore necessary to improve our capabilities of observing global environment, conduct detailed analysis of environmental changes to gain a better understanding of the causality among various factors, integrate the techniques of knowledge management with geospatial information systems, and turn environmental threats triggered by global changes to opportunities of sustainable development.

As Formosat-2 operated by National Space Organization of Taiwan is able to provide high spatiotemporal optical imagery for most of the world, Professor Cheng-Chien Liu of Earth Sciences Department, National Cheng-Kung University developed an automatic image processing system that is able to process a large amount of Formosat-2 imagery to support the requirements of rapid response to global disasters and environmental events. Recently, Professor Liu also introduced and developed various remote sensing platforms, geospatial information systems and knowledge management techniques, with the intention to establish a research team dedicated to global earth observations and data analysis, as well as rapid response to global disasters and environmental events. Considering the facts that the crucial technology is available and the demand is urgent yet strong, GEODAC was founded in September, 2010.

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