RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT

Takaaki Uda; Satoquo Seino; Masumi Serizawa; Toshiro San-Nami; Kou Furuike

doi:10.1142/9789812791306_0288

RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT

Takaaki Uda, Satoquo Seino, Masumi Serizawa, Toshiro San-Nami, Kou Furuike

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

The influences of offshore sand mining on the surrounding beach topography were investigated at the Sumiyoshi-hama sand spit extending into Moriye Bay in Oita Prefecture, Japan. It was found that sand bars could develop above the MSL on the steep shoreward slope of the dredging hole in the tide and wave height ranges obtained from the predicted probability of wave occurrence at the Sumiyoshi-hama sand spit. As a result of the numerical simulation of wave height and nearshore currents given a predominant wave direction, wave height in the nearshore zone was found to be enhanced by the formation of the offshore dredging hole, and longshore currents toward the tip of the sand spit and counterclockwise currents on the lee side of the spit were accelerated by this wave intrusion. It was concluded that sand thrown up from the steep slope of the dredging hole by wave action was transported to the tip of the sand spit, causing large changes of the spit.

Original language	English
Title of host publication	Proceedings of the 28th International Conference on Coastal Engineering 2002
Subtitle of host publication	Solving Coastal Conundrums, ICCE 2002
Editors	Jane McKee Smith
Publisher	American Society of Civil Engineers (ASCE)
Pages	3461-3473
Number of pages	13
ISBN (Electronic)	9812382380, 9789812382382
DOIs	https://doi.org/10.1142/9789812791306_0288
Publication status	Published - 2003
Externally published	Yes
Event	28th International Conference on Coastal Engineering, ICCE 2002 - Cardiff, Wales, United Kingdom Duration: Jul 7 2002 → Jul 12 2002

Publication series

Name	Proceedings of the Coastal Engineering Conference
Volume	2003-January
ISSN (Print)	0161-3782

Other

Other	28th International Conference on Coastal Engineering, ICCE 2002
Country/Territory	United Kingdom
City	Cardiff, Wales
Period	7/7/02 → 7/12/02

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering
Ocean Engineering
Oceanography

Access to Document

10.1142/9789812791306_0288

Cite this

Uda, T., Seino, S., Serizawa, M., San-Nami, T., & Furuike, K. (2003). RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT. In J. M. Smith (Ed.), Proceedings of the 28th International Conference on Coastal Engineering 2002: Solving Coastal Conundrums, ICCE 2002 (pp. 3461-3473). (Proceedings of the Coastal Engineering Conference; Vol. 2003-January). American Society of Civil Engineers (ASCE). https://doi.org/10.1142/9789812791306_0288

RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT. / Uda, Takaaki; Seino, Satoquo; Serizawa, Masumi et al.
Proceedings of the 28th International Conference on Coastal Engineering 2002: Solving Coastal Conundrums, ICCE 2002. ed. / Jane McKee Smith. American Society of Civil Engineers (ASCE), 2003. p. 3461-3473 (Proceedings of the Coastal Engineering Conference; Vol. 2003-January).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Uda, T, Seino, S, Serizawa, M, San-Nami, T & Furuike, K 2003, RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT. in JM Smith (ed.), Proceedings of the 28th International Conference on Coastal Engineering 2002: Solving Coastal Conundrums, ICCE 2002. Proceedings of the Coastal Engineering Conference, vol. 2003-January, American Society of Civil Engineers (ASCE), pp. 3461-3473, 28th International Conference on Coastal Engineering, ICCE 2002, Cardiff, Wales, United Kingdom, 7/7/02. https://doi.org/10.1142/9789812791306_0288

Uda T, Seino S, Serizawa M, San-Nami T, Furuike K. RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT. In Smith JM, editor, Proceedings of the 28th International Conference on Coastal Engineering 2002: Solving Coastal Conundrums, ICCE 2002. American Society of Civil Engineers (ASCE). 2003. p. 3461-3473. (Proceedings of the Coastal Engineering Conference). doi: 10.1142/9789812791306_0288

Uda, Takaaki ; Seino, Satoquo ; Serizawa, Masumi et al. / RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT. Proceedings of the 28th International Conference on Coastal Engineering 2002: Solving Coastal Conundrums, ICCE 2002. editor / Jane McKee Smith. American Society of Civil Engineers (ASCE), 2003. pp. 3461-3473 (Proceedings of the Coastal Engineering Conference).

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abstract = "The influences of offshore sand mining on the surrounding beach topography were investigated at the Sumiyoshi-hama sand spit extending into Moriye Bay in Oita Prefecture, Japan. It was found that sand bars could develop above the MSL on the steep shoreward slope of the dredging hole in the tide and wave height ranges obtained from the predicted probability of wave occurrence at the Sumiyoshi-hama sand spit. As a result of the numerical simulation of wave height and nearshore currents given a predominant wave direction, wave height in the nearshore zone was found to be enhanced by the formation of the offshore dredging hole, and longshore currents toward the tip of the sand spit and counterclockwise currents on the lee side of the spit were accelerated by this wave intrusion. It was concluded that sand thrown up from the steep slope of the dredging hole by wave action was transported to the tip of the sand spit, causing large changes of the spit.",

author = "Takaaki Uda and Satoquo Seino and Masumi Serizawa and Toshiro San-Nami and Kou Furuike",

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doi = "10.1142/9789812791306_0288",

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AB - The influences of offshore sand mining on the surrounding beach topography were investigated at the Sumiyoshi-hama sand spit extending into Moriye Bay in Oita Prefecture, Japan. It was found that sand bars could develop above the MSL on the steep shoreward slope of the dredging hole in the tide and wave height ranges obtained from the predicted probability of wave occurrence at the Sumiyoshi-hama sand spit. As a result of the numerical simulation of wave height and nearshore currents given a predominant wave direction, wave height in the nearshore zone was found to be enhanced by the formation of the offshore dredging hole, and longshore currents toward the tip of the sand spit and counterclockwise currents on the lee side of the spit were accelerated by this wave intrusion. It was concluded that sand thrown up from the steep slope of the dredging hole by wave action was transported to the tip of the sand spit, causing large changes of the spit.

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RAPID FORMATION of SAND BODY at SHOREWARD EDGE of OFFSHORE DREDGING HOLE and RESULTING LARGE CHANGE in SAND SPIT

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