Groundwater is a limited resource, its abundance directly affect the development of the island with mainly the aspects of agriculture and household. In order to secure a stable supply of groundwater resources, some underground dams have been already constructed. However, the ground structure of the island that can be applied is required for that. It is impossible to construct the conventional underground dam in the isolated island that has the underground structure of the fresh water lens. To apply the dam-construction technology fit to the closed environment is a promising way to enhance the utility of water resource in such island.

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“Adieu foulard, adieu madras” is an old air of French West Indies. The farewell love song of Antilles in the days of steamers attracted islands visitors as well. In Metropolis, it has been spread through tremendous adaptations brought by for example Henri Salvador. That the histories of the Antilleans have inscribed and been implemented on the air. They had sung it to bid farewell for over a half century. However, rare Antilleans living both side of Atlantic Ocean break hush its exact notion up. Guadeloupe and Martinique were taken as possession of France in 1635, were colonized for the use of Sugar cane plantation. It had been maintained by slave trade and slavery under Black Code. By the second decision of abolition of slavery on 27 April 1848, status of full-fledged French citizen was brought to the enslaved people. Guadeloupe and Martinique, with Guyana and Reunion as “vieilles colonies”, become Overseas department by the law of 19 March 1946. In 1962 when French Government had come up with a new policy, Antilleans were called to immigrate to Hexagon－Metropolitan France－in response to the recruitments of cheap labor. The issue of the slavery system in the past and the responsibility of the state over the system as popular interrogations have their root in the political movements of Caribbean African in Diaspora. Why has such a conscience been crystallized in the dawn of 21st Century? This paper aims to explore the relation of contemporary Antillean with their histories through the song Adieu foulard, adieu Madras. Why today after 400 years ago, they don’t stop talking about slavery and their ascendants? To what extent was making of their identity correlated with evolution of an institutional framework “département d’outre-mer”? Finally this paper gives views to the decisive moment of the birth of Antillean community, constructing both sides of Atlantic Ocean, in relation to the political presence of those who move to metropolis.

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In the disaster caused by the torrential rains in Amami Oshima in the 20th October 2010, mutual help among the neighboring elderly people resulted to minimize the damage. This mutual help seems to have been developed through the routines of everyday life as well as the time of disaster. In Amami Oshima of Kagoshima Prefecture where this research was conducted, the population aging rate is very high as reaching to 30.6% in 2012. Thus, in a regional society where aging rate is very high, natural disaster-prevention measures which give extra consideration to the elderly would be needed, since in such a society, the possibility for the elderly and the handicapped to fall victim to disasters is very high. The article describe in detail about rapid reaction, communication and real situation of the affected areas at the time of disaster based on my field research data in Amami Oshima, which often suffer natural disasters and the aging rate is very high. Then, after discussing major problems from the viewpoint of disaster prevention, issues for future measures and the ways of supporting will also be examined.

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