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Use of high-resolution seismic reflection data for paleogeographical reconstruction of shallow Lake Yamanaka (Fuji Five Lakes, Japan)

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Abstract
High-resolution seismic profiles, combined with the integration of published drilling data, provide a detailed paleoenvironmental history of Lake Yamanaka (Fuji Five Lakes, Japan). This study presents a detailed analysis of the different depositional stages of the area currently occupied by Lake Yamanaka (floodplain wetland, river and lake). From ca. 5500 cal yr BP to ca. 5050 cal yr BP, the Yamanaka basin was occupied by floodplain wetlands. During that period, the landscape was very stable and erosion on northeastern flank of Mt. Fuji was relatively limited. From ca. 5050 cal yr BP to ca. 3050 cal yr BP, the water level increased and the floodplain wetlands became a lake. From ca. 3050 cal yr BP to ca. 2050 cal yr BP, the water level progressively decreased, leading to a reduction in lake extent. During this lowering of the lake's water level, a 1 km(2) mass-transport deposit modified the physiography of the lake floor. From ca. 2050 cal yr BP to ca. 1050 cal yr BP, the lake disappeared and a river flowing towards the northwest occupied the depression. Ponds occupied morphological lows formed by mass transport deposits. From ca. 1050 cal yr BP to the present day, the lake water level rose again, connecting the ponds with the main lake. Since then, the lake water level has continued to rise to the current level. Lake water level fluctuations are the results of several factors that could be interconnected: (i) changes in precipitation rates; (ii) margin destabilization (the Yamanaka mass-transport deposit), (iii) changes in river inlets and therefore variation in water supplies, (iv) volcanic eruptions (scoria fall-out and lava flows) and (v) changes in vegetation cover. This study highlights the importance of coupling sediment cores and high-resolution seismic reflection profiling to identify lateral variation and modification of sedimentary inputs through time.
Keywords
Lake level fluctuations, Seismic reflection profiling, Depositional history, Mt. Fuji, Volcanic eruptions, Mass-transport deposit, SEDIMENTS, CLINOFORM

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MLA
Lamair, L et al. “Use of High-resolution Seismic Reflection Data for Paleogeographical Reconstruction of Shallow Lake Yamanaka (Fuji Five Lakes, Japan).” PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 514 (2019): 233–250. Print.
APA
Lamair, L, Hubert-Ferrari, A., Yamamoto, S., Fujiwara, O., Yokoyama, Y., Garrett, E., De Batist, M., et al. (2019). Use of high-resolution seismic reflection data for paleogeographical reconstruction of shallow Lake Yamanaka (Fuji Five Lakes, Japan). PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 514, 233–250.
Chicago author-date
Lamair, L, A Hubert-Ferrari, S Yamamoto, O Fujiwara, Y Yokoyama, E Garrett, Marc De Batist, et al. 2019. “Use of High-resolution Seismic Reflection Data for Paleogeographical Reconstruction of Shallow Lake Yamanaka (Fuji Five Lakes, Japan).” Palaeogeography Palaeoclimatology Palaeoecology 514: 233–250.
Chicago author-date (all authors)
Lamair, L, A Hubert-Ferrari, S Yamamoto, O Fujiwara, Y Yokoyama, E Garrett, Marc De Batist, Vanessa Heyvaert, Evelien Boes, Atsunori Nakamura, Stephen Obrochta, Masanobu Shishikura, Yosuke Miyairi, Helmut Bruckner, Eisuke Ono, Svenja Riedesel, Koen De Rycker, Yoshiki Sato, and Jan Walstra. 2019. “Use of High-resolution Seismic Reflection Data for Paleogeographical Reconstruction of Shallow Lake Yamanaka (Fuji Five Lakes, Japan).” Palaeogeography Palaeoclimatology Palaeoecology 514: 233–250.
Vancouver
1.
Lamair L, Hubert-Ferrari A, Yamamoto S, Fujiwara O, Yokoyama Y, Garrett E, et al. Use of high-resolution seismic reflection data for paleogeographical reconstruction of shallow Lake Yamanaka (Fuji Five Lakes, Japan). PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. 2019;514:233–50.
IEEE
[1]
L. Lamair et al., “Use of high-resolution seismic reflection data for paleogeographical reconstruction of shallow Lake Yamanaka (Fuji Five Lakes, Japan),” PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, vol. 514, pp. 233–250, 2019.
@article{8599593,
  abstract     = {{High-resolution seismic profiles, combined with the integration of published drilling data, provide a detailed paleoenvironmental history of Lake Yamanaka (Fuji Five Lakes, Japan). This study presents a detailed analysis of the different depositional stages of the area currently occupied by Lake Yamanaka (floodplain wetland, river and lake). From ca. 5500 cal yr BP to ca. 5050 cal yr BP, the Yamanaka basin was occupied by floodplain wetlands. During that period, the landscape was very stable and erosion on northeastern flank of Mt. Fuji was relatively limited. From ca. 5050 cal yr BP to ca. 3050 cal yr BP, the water level increased and the floodplain wetlands became a lake. From ca. 3050 cal yr BP to ca. 2050 cal yr BP, the water level progressively decreased, leading to a reduction in lake extent. During this lowering of the lake's water level, a 1 km(2) mass-transport deposit modified the physiography of the lake floor. From ca. 2050 cal yr BP to ca. 1050 cal yr BP, the lake disappeared and a river flowing towards the northwest occupied the depression. Ponds occupied morphological lows formed by mass transport deposits. From ca. 1050 cal yr BP to the present day, the lake water level rose again, connecting the ponds with the main lake. Since then, the lake water level has continued to rise to the current level. Lake water level fluctuations are the results of several factors that could be interconnected: (i) changes in precipitation rates; (ii) margin destabilization (the Yamanaka mass-transport deposit), (iii) changes in river inlets and therefore variation in water supplies, (iv) volcanic eruptions (scoria fall-out and lava flows) and (v) changes in vegetation cover. This study highlights the importance of coupling sediment cores and high-resolution seismic reflection profiling to identify lateral variation and modification of sedimentary inputs through time.}},
  author       = {{Lamair, L and Hubert-Ferrari, A and Yamamoto, S and Fujiwara, O and Yokoyama, Y and Garrett, E and De Batist, Marc and Heyvaert, Vanessa and Boes, Evelien and Nakamura, Atsunori and Obrochta, Stephen and Shishikura, Masanobu and Miyairi, Yosuke and Bruckner, Helmut and Ono, Eisuke and Riedesel, Svenja and De Rycker, Koen and Sato, Yoshiki and Walstra, Jan}},
  issn         = {{0031-0182}},
  journal      = {{PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY}},
  keywords     = {{Lake level fluctuations,Seismic reflection profiling,Depositional history,Mt. Fuji,Volcanic eruptions,Mass-transport deposit,SEDIMENTS,CLINOFORM}},
  language     = {{eng}},
  pages        = {{233--250}},
  title        = {{Use of high-resolution seismic reflection data for paleogeographical reconstruction of shallow Lake Yamanaka (Fuji Five Lakes, Japan)}},
  url          = {{http://dx.doi.org/10.1016/j.palaeo.2018.09.028}},
  volume       = {{514}},
  year         = {{2019}},
}

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