Prediction of Sand Movement near Port of Kanazawa
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 123, Issue 5
Abstract
The accumulation of large quantities of sediments in the port of Kanazawa prevents smooth navigation every year. To find the directions of the sand movement and the sedimentary sources of littoral drift of sand in the port of Kanazawa, the methods of the ratio matching and gradients of kilo count number per second per weight of each element are applied after analyzing geochemical elements in sand samples. According to the correlation numbers obtained from the ratio matching, three kinds of sediments were found near the port, two of which were found in the port. The first kind of sediment is transported by the stationary, strong ocean current, which flows along the coast from the southwest to the northeast. These advected sediments accumulate near the tip of the breakwater because of the decrease of current velocities due to the blocking effect of the breakwater. During the winter season or during storms with incident waves of high amplitude, the accumulated sediments intrude into the port. The second and third kinds of sediment are conveyed into the port along the beach by the back flows of the ocean current. The back flows are caused by the interaction of the strong ocean current with the long breakwater. The historical coastal change near the port of Kanazawa following the construction of the long breakwater is estimated using the present results.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Anders, O. U.(1972). “Ratio matching—a statistical aid for discovering generic relationships among samples.”Analytical Chem., 44(12), 1930–1933.
2.
“Planning Data for Development of Port of Kanazawa.” (1970). Authority of Port of Kanazawa, Kanazawa, Japan (in Japanese).
3.
Iwasaki, H., Okuwaki, A., Kikuchi, K., Shikazono, N., and Tsuchiya, N. (1996). Chemical kinetics and transport phenomena in geochemistry. Corona Publishing Co., Ltd., Tokyo, Japan (in Japanese).
4.
“Currents Observations near Port of Kanazawa.” (1984). Rep. Prepared for Ministry of Transport. Ecoh Co., Ltd., Tokyo, Japan, (in Japanese).
5.
Mizumura, K.(1982). “Shore line change estimates near Oarai, Japan.”J. Wtrwy., Port, Coast., and Oc. Div., ASCE, 108(1), 65–80.
6.
Mizumura, K.(1984). “Applications of Kalman filter to oceanic data.”J. Wtrwy., Port, Coast., and Oc. Engrg., ASCE, 110(3), 334–343.
7.
Mizumura, K., Nishimoto, T., and Yamamoto, T. (1994a). “Analysis of sand movement on Noto coast by geochemical method.”Proc., Hydr. Engrg. '94, Vol. 2, ASCE, New York, N.Y., 923–927.
8.
Mizumura, K., Nishimoto, T., and Yamamoto, T. (1994b). “Analysis and classification of coastal sand by geochemical method.”Proc., 9th Congr. of APD-IAHR, Vol. 3, Dept. of Civ. Engrg., Nat. Univ. of Singapore, Singapore, 35–41.
9.
Mizumura, K., Nishimoto, T., Yamamoto, T., and Kumagai, Y.(1996). “Prediction method of sand-movement direction in rivers by geochemical elements.”J. Envir. Geol., 28(2), 88–98.
10.
Mizumura, K., Nishimoto, T., Yamamoto, T., and Tsutsui, H.(1995). “Prediction method of sand-movement direction in sea by geochemical elements.”J. Envir. Geol., 25, 100–108.
11.
Mizumura, K., Kumagai, Y., Yamamoto, T., Shimazaki, H., Takumi, K., and Nakanishi, T. (1997). “Determination of sedimentary sources in the port of Hashidate by using geochemical elements.”J. Wtrwy., Port, Coast., and Oc. Engrg., ASCE, 123(2), 45–56. Chronological scientific tables (Rika Nenpyo). (1994). National Astronomical Observatory, ed., Maruzen Co., Ltd., Tokyo, Japan (in Japanese).
Information & Authors
Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 123 • Issue 5 • September 1997
Pages: 215 - 222
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Sep 1, 1997
Published in print: Sep 1997
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.