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Title Transcription
タンスイカコ ノ ギャクリュウ カイスイ チョリュウ ソウナイ ノ ミツドリュウ
Title Alternative (English)
Density Currents in the Concave Basement That Stores the Backward Flow of Salt Water of Freshening Reservior
File
language
jpn
Author
Takeyama, Kouichi
Description
The operation of navigation lock causes much backward flow of salt water, which prevents the freshening reservior from its replacement of salt water by fresh water. Here, some behavior of density currents in the concave basement that stores the backward flow of salt water, the diffusion of salinity in the concave basement, and the instability of two layer flow were investigated by hydrauric model experiments with width ratios of 0.2, 0.33, 0.66, and 1.0, and a length ratio of 0.1 between the lock and the concave basement.
The results obtained are as follows :
A width ratio of 0.2 made it possible to restrain most of the density currents in the concave basement, and then some swinging internal waves with decreasing velosity and amplitude were observed. Then, the salinity transported into the freshening reservior was very little, and after operation the salinity recorded was satisfactorily low (below 200 ppm.).
Journal Title
Bulletin of the Faculty of Agriculture, Shimane University
Volume
11
Start Page
92
End Page
96
ISSN
0370940X
Published Date
1977-12-15
NCID
AN00108015
Publisher
島根大学農学部
Publisher Aalternative
Shimane University, Faculty of Agriculture
NII Type
Departmental Bulletin Paper
OAI-PMH Set
Faculty of Life and Environmental Science
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