Latest Volume/Issue

Volume And Issue List
Journal of the Sedimentological Society of Japan
- Vol.75(2016 - 2017)
  - No.2 p.64-
  - No.1 p.2-
- Vol.74(2015)
  - No.2 p.112-
  - No.1 p.2-
- Vol.73(2014)
  - No.2 p.120-
  - No.1 p.2-
- Vol.72(2013)
  - No.2 p.108-
  - No.1 p.2-
- Vol.71(2012)
- Vol.70(2011)
  - No.2 p.62-
  - No.1 p.2-
- Vol.69(2010)
  - No.2 p.62-
  - No.1 p.2-
- Vol.68(2009)
  - No.2 p.90-
  - No.1 p.2-
- Vol.67(2008)
  - No.2 p.64-
  - No.1 p.2-
- Vol.64(2007)
- Vol.63(2006)
- Vol.62(2005)
  - No.62 p.2-
- Vol.61(2005)
  - No.61 p.2-
- Vol.60(2004)
  - No.60 p.1-
- Vol.59(2004)
  - No.59 p.1-
- Vol.58(2004)
  - No.58 p.1-
- Vol.57(2003)
  - No.57 p.1-
- Vol.56(2003)
  - No.56 p.1-
- Vol.55(2002)
  - No.55 p.1-
- Vol.54(2001)
  - No.54 p.1-
- Vol.53(2001)
  - No.53 p.1-
- Vol.52(2000)
  - No.52 p.1-
- Vol.51(2000)
  - No.51 p.1-
- Vol.50(2000)
  - No.50 p.1-
- Vol.49(1999)
  - No.49 p.1-
- Vol.48(1998)
  - No.48 p.1-
- Vol.47(1998)
  - No.47 p.1-
- Vol.46(1997)
  - No.46 p.1-
- Vol.45(1997)
  - No.45 p.1-
- Vol.44(1997)
  - No.44 p.1-
- Vol.43(1996)
  - No.43 p.1-
- Vol.42(1995)
  - No.42 p.1-

Predecessor

Renkon

Taisekigaku Kenkyu

Newsletter of Japanese Association of Sedimentologists

Journal of the Sedimentological Society of Japan

Journal of the Sedimentological Society of Japan Vol. 75(2016 - 2017) No. 2

Cover Story

Three types of sediment movement in the Sannoudani River, Minamiaso Village, Kumamoto Prefecture, southwestern Japan

Masayuki Torii, Mitsuru Okuno, Ken-ichi Nishiyama, Yoshito Kitazono, Toshiaki Hasenaka, Shuichiro Yokota

Released: April 17, 2017

p.64

Full Text PDF[2863K]

Research Reports

Clarification of Origin and Mechanism of Tsunami-generated Turbidity Current by a Flume Experiment

Taiki Yamamoto, Fujio Masuda, Hajime Naruse

Released: April 17, 2017

p.65-72

The origin and mechanisms of a tsunami-generated turbidity current are examined in this study by flume experiments. A reduced scale model of coastal topography including beach, shoreface, and shelf using fine to very fine sands was situated in an experimental flume, and the oscillatory flows were generated by the tsunamis in the flume. As a result of the experiments, turbidity currents occurred in two regions: upper shoreface and slope break on the shelf. In the upper shoreface region, the turbidity current was generated by the hydraulic jump which was resulted from a collision of the surging run-up and the return ebb flows. The hydraulic jump caused significant amounts of bottom erosion, and downslope-migrating sediment-gravity flow occurred subsequently from the suspended sediment on the shoreface. On the other hand, velocity of the run-up flow of the tsunami increased at the slope break on the shelf, resulting in the entrainment of sediment on the sea floor. As a result, another turbidity current occurred from the suspension cloud of entrained sediment at the slope break on the shelf, and was accelerated by the returning ebb flow of the tsunami. These two turbidity currents are different in velocity and size. The current generated on the upper shoreface is larger in flow height and velocity than the one generated on the shelf-slope break region. These results of experiments give insights to interpretation and further investigation of tsunami-generated turbidity currents and their deposits.

Tsunami deposits in the estuary-fill:Holocene drill core in Minamisoma City, Fukushima Prefecture, Northeast Japan

Yuri Kakubari, Katsuichi Ota, Koichi Hoyanagi

Released: April 17, 2017

p.73-82

We studied the relationship between estuary-fill process and formation of tsunami deposits in the southern part of Minamisoma City, Fukushima Prefecture, Northeast Japan. We took a 26.5 m core of the Holocene estuary-fill sediments and reached underlying Pleistocene sandy siltstone. We described the lithology of the core and identified sedimentary facies, and carried out soft X-ray photograph, dry bulk density measurement, grain size analysis and dating of radiometric ¹⁴C ages. The Holocene estuary-fill is composed of the deposits of backshore, sandy to muddy tidal flat, subtidal estuary and salt marsh with intercalated event sand beds, and artificial fill and paddy soil in ascending order. The event sand beds yield many marine shell fragments. They indicate the sands were transported by landward flows. The beds contain rip-up clasts and gravels, and represent grading structures, basal reverse grading, multiple grading and periodic sedimentation. These characters suggest the possible tsunami deposits.

Note

Flume experimental study of the knickpoint recession and incised-channel formation in Metoba River, Matsumoto

Naomi Murakoshi, Takamitsu Hatakeyama

Released: April 17, 2017

p.83-89

Full Text PDF[2179K]

Conference Reports

An opportunity to learn the progress of sedimentology from the Plio-Pleistocene Kazusa Group: a report for the Field Seminar of the Sedimentological Society of Japan, 2015

Tetsuya Sakai

Released: April 17, 2017

p.91-96

Full Text PDF[3937K]

A report on the “Sedimentology School 2015” by the Sedimentological Society of Japan: Data analysis in sedimentary petrology (Waseda University; December 2015)

Kento Nakao

Released: April 17, 2017

p.97-100

Full Text PDF[644K]

A report on the 2016 special field trip by the Japanese Association for Petroleum Technology

Hideki Kasada, Yoshiki Sakaguchi

Released: April 17, 2017

p.101-106

Full Text PDF[3560K]

1 - 7 / 7 Articles.

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Back Issues

Volume And Issue List
Journal of the Sedimentological Society of Japan

Predecessor

Journal of the Sedimentological Society of Japan Vol. 75(2016 - 2017) No. 2

Cover Story

Three types of sediment movement in the Sannoudani River, Minamiaso Village, Kumamoto Prefecture, southwestern Japan

Research Reports

Clarification of Origin and Mechanism of Tsunami-generated Turbidity Current by a Flume Experiment

Tsunami deposits in the estuary-fill:Holocene drill core in Minamisoma City, Fukushima Prefecture, Northeast Japan

Note

Flume experimental study of the knickpoint recession and incised-channel formation in Metoba River, Matsumoto

Conference Reports

An opportunity to learn the progress of sedimentology from the Plio-Pleistocene Kazusa Group: a report for the Field Seminar of the Sedimentological Society of Japan, 2015

A report on the “Sedimentology School 2015” by the Sedimentological Society of Japan: Data analysis in sedimentary petrology (Waseda University; December 2015)

A report on the 2016 special field trip by the Japanese Association for Petroleum Technology

System Maintenance

Announcement From J-STAGE

Journal Tools

Share this Title

Volume And Issue List Journal of the Sedimentological Society of Japan

Predecessor

Journal of the Sedimentological Society of Japan Vol. 75(2016 - 2017) No. 2

Cover Story

Three types of sediment movement in the Sannoudani River, Minamiaso Village, Kumamoto Prefecture, southwestern Japan

Research Reports

Clarification of Origin and Mechanism of Tsunami-generated Turbidity Current by a Flume Experiment

Tsunami deposits in the estuary-fill:Holocene drill core in Minamisoma City, Fukushima Prefecture, Northeast Japan

Note

Flume experimental study of the knickpoint recession and incised-channel formation in Metoba River, Matsumoto

Conference Reports

An opportunity to learn the progress of sedimentology from the Plio-Pleistocene Kazusa Group: a report for the Field Seminar of the Sedimentological Society of Japan, 2015

A report on the “Sedimentology School 2015” by the Sedimentological Society of Japan: Data analysis in sedimentary petrology (Waseda University; December 2015)

A report on the 2016 special field trip by the Japanese Association for Petroleum Technology

System Maintenance

Announcement From J-STAGE

Journal Tools

Share this Title

Volume And Issue List
Journal of the Sedimentological Society of Japan