ABSTRACT
This chapter presents the case study of Ayutthaya, Thailand. Flood extents and their flood related issues of the case study - Ayutthaya Island were investigated by using coupled 1D-2D numerical flood models as hydroinformatics supporting tools. The scenarios of the case study were classified into four categories: the existing situation, the regional flood-protection measures, the local flood-protection measures, and the combination of regional and local flood-protection measures. After flooding in 2011, several flood mitigation plans were proposed for making better flood-protection measures. Another local flood-protection measure was to enhance the capacity of existing retention ponds and detention ponds to retain the excess floodwater in Ayutthaya's City. By applying urban flood models as hydroinformatics tools, proposed flood-protection measures can be evaluated. The simulated flood maps with the different proposed measures were demonstrated that such hydroinformatics supporting tools and their valuable information could enhance in accord with the perceived flood risk to both communities and stakeholders.
