Evaluating Public Availability of Environmental Information: an Indicator-Based Assessment

抄録

A new index, Information Availability Index (IAI), which can evaluate environmental information availability, has been developed. The index consists of 14 indicators for both environmental data/information published on the Internet and those published only in documental format. Each 14 indicators are divided into 5 categories according to indicators’ property and, by following a pointing system, the identification of specific indicators or categorised aspects that can be improved in the term of information availability will be possible. In this work, two case studies carried out in Stockholm and Tokyo showed the index’s effectiveness as an evaluation tool and guideline of collection and provision of environmental information that are concerning to water resources.