Physical situations at the places where lagoons had once existed

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  • 内湖がかつて存在した場所の物理的状況
  • A case study about the coastal regions of the Biwa Lake
  • 琵琶湖沿岸地域を事例として

Abstract

<p>The objective of this report was to examine the potentials of traces for lost lagoons in physical situations at the places where they had once existed. Surveys and analyses were conducted into the 15 reclaimed lagoons at the coastal regions of the Biwa Lake. The potentials of such traces were conjectured in the following four situations. 1) Adjacency of different land uses between inside and outside of outlines of lost lagoons. 2) Linear match of canals with outlines of lost lagoons. 3) Difference of orientation of the road systems between inside and outside of outlines of lost lagoons. 4) Difference in levels of the grounds around the outlines of lost lagoons. It was thought that the following problems were to be solved in order to confirm whether these situations kept the remnants of the lost lagoons or not. 1) How had the lagoons and the adjacent lands been altered through the reclamation projects? 2) Had there been any projects in which the ground levels had been changed in addition to the reclamations? 3) How had the land uses as well as the water areas changed from before the reclamations until today?</p>

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