周防灘豊前海における溶存酸素変動と海洋構造について : 2005年夏季の15日間定点係留観測から

Variations of Dissolved Oxygen and Related Marine Phenomena in Buzen Sea, the Suonada Sound : analytical results of fortnight field experiments in the late summer, 2005

Creators Kishimoto Atsushi

Creators Yasuda Hideichi

Creators Onitsuka Goh

Creators Takashima Sotarou

Creators Yuasa Toyotoshi

Field experiments were carried out in the southwest part of the Suonada sound in the late summer, 2005 to reveal the process and the mechanism of the dissolved oxygen (DO) variation in this sea. This study shows that DO near the basin floor was changed widely by the influence of the residual current, the atmospheric temperature, the thermocline and so on though many of researchers reported that DO variations resulted from resuspension of floor mud. In other words, DO variation is not concerned with the vertical phenomena but with the horizontal advection. It is suggested from the further analysis that the residual current given by elimination of the four main tidal components was varied by the wind during this experiment and the behavior of the thermocline was concerned with the wind and the atmospheric temperature.

[ISSN]0370-9361