Open AccessEFFECT OF BREAKING WAVES ON DISSOLVED OXYGEN AND ORGANIC MATTER
Author(s) -
Yoshihiko Hosoi,
Hitoshi Murakami
Publication year - 1986
Publication title -
proceedings of conference on coastal engineering/proceedings of ... conference on coastal engineering
Language(s) - English
Resource type - Journals
eISSN - 2156-1028
pISSN - 0589-087X
DOI - 10.9753/icce.v20.184
Subject(s) - organic matter , flume , environmental science , breaking wave , water quality , surf zone , shore , pollution , environmental engineering , hydrology (agriculture) , oceanography , chemistry , geology , ecology , mechanics , geotechnical engineering , physics , wave propagation , flow (mathematics) , organic chemistry , quantum mechanics , biology
Water pollution in the near shore area has become a serious problem in coastal engineering. In such a situation, not only wave dissipation but also the functioning of water pollution control is expected from the coastal structure. Since breaking waves are accompanied by many bubbles and intense water turbulence, they promote the contact between organic matter and bacteria and between water and air. Therefore the water quality related to organic matter seems to change under the effect of breaking waves. In this study the variation of the dissolved oxygen and the organic matter near the surf zone were considered. First, a self purification model in the surf zone was developed. Second, the efficiency of breaking waves on reaeration and organic matter decomposition was estimated by an experiment in the laboratory flume and numerical simulation.