extended abstractintroductiontoday is the world of information and its optimal uses (davies, 2003). information, doubtless, as the most important tools for managers and executive decision-makerscan play a significant role in solving the problems and meeting the needs (warnest, 2005). spatial data are discussed as one of the most sensitive and important factors in decision-making and planning in...

The need for environmental data is continually changing. In recent years nations have made unprecedented investments in environmental information and the means to assemble, store, process, analyse, and disseminate it. The present global challenge is not only the lack of environmental data, but also the development of the infrastructures that will enable citizens, the business community and the ...