Event layers in the Japanese Lake Suigetsu ‘SG06’ sediment core: description, interpretation and climatic implications

Schlolaut, Gordon; Brauer, Achim; Marshall, Michael; Nakagawa, Takeshi; Staff, Richard A.; Ramsey, Christopher Bronk; Lamb, Henry F.; Bryant, Charlotte; Naumann, Rudolf; Dulski, Peter; Brock, Fiona; Yokoyama, Yūsuke; Tada, Ryuji; Haraguchi, Tsuyoshi

doi:10.1016/j.quascirev.2013.10.026

Cited by 45 publications

(62 citation statements)

References 60 publications

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“…These characteristics of event layers identified in SG12-LM3 are similar to those of the event layers of flood origin reported by a previous study based on comparison with the chemical compositions of basement rocks in the surrounding area [Schlolaut et al 2014]. We call these gray and graded layers with sharp basal contact as "event layers" because these characteristics indicate that these layers were deposited in a short time by settling from thick, suspended, particulate matter.…”

Section: Lithology and Petrographical Observationsupporting

confidence: 84%

“…Furthermore, most of the fine detrital materials are considered to have been supplied from the Hasu River. Because coarse detrital grains from the Hasu River are trapped in Lake Mikata, only fine suspended detrital particles can reach Lake Suigetsu [Nakagawa et al 2012;Schlolaut et al 2014]. This is a great advantage of using Lake Suigetsu sediments in the present study because detrital materials from the Hasu River can be identified from the grain size distribution (Nagashima K et al: Asian dust transport during the last one century recorded in Lake Suigetsu sediments, submitted).…”

Section: Hydrological Geographical and Climatological Settingsmentioning

confidence: 94%

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Mass accumulation rate of detrital materials in Lake Suigetsu as a potential proxy for heavy precipitation: a comparison of the observational precipitation and sedimentary record

Suzuki

Tada

Yamada

et al. 2016

Prog. in Earth and Planet. Sci.

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In the densely populated region of East Asia, it is important to know the mechanism, scale, and frequency of heavy precipitation brought about during the monsoons and typhoons. However, observational data, which cover only several decades, are insufficient to examine the long-term trend of extreme precipitation and its background mechanism. In humid areas, the transport flux of a suspended detrital material through a river system is known to have an empirical power relationship with precipitation. Thus, the sedimentation flux of a fine detrital material could potentially be used as a proxy for reconstructing past heavy precipitation events. To test the idea that the sedimentation flux of detrital materials records past heavy precipitation events (e.g., typhoons), we focused on the detrital flux estimated from the annually laminated sediment of Lake Suigetsu, central Japan, which is capable of accurately correlating the age of detrital flux with the precipitation record. We first established a precise age model (error within ±1 year in average) beginning in 1920 A.D. on the basis of varve counting fine-tuned by correlation between event layers with historical floods. The flux of the detrital material (g/cm 2 /year) was estimated on the basis of Al 2 O 3 content (wt%), dry bulk density (g/cm 3

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Section: Lithology and Petrographical Observationsupporting

confidence: 84%

Section: Hydrological Geographical and Climatological Settingsmentioning

confidence: 94%

Mass accumulation rate of detrital materials in Lake Suigetsu as a potential proxy for heavy precipitation: a comparison of the observational precipitation and sedimentary record

Suzuki

Tada

Yamada

et al. 2016

Prog. in Earth and Planet. Sci.

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“…Moreover, the data would enable the identification of distinct, short-duration events in both clastic and non-clastic varve sequences, often known as detrital layers (e.g. Brauer et al, 1999;Mangili et al, 2005;Lauterbach et al, 2011;Stewart et al, 2011;Czymzik et al, 2013;Swierczynski et al, 2013;Schlolaut et al, 2014). For such studies, mCT would optimise the understanding of the distribution of detrital layers and enable their differentiation from 'regular' (i.e.…”

Section: Implications For Micromorphology Of Laminated Sedimentsmentioning

confidence: 99%

A comparison of micro-CT and thin section analysis of Lateglacial glaciolacustrine varves from Glen Roy, Scotland

Bendle

Palmer

Carr

2015

Quaternary Science Reviews

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“…Therefore, detrital layers in lake sediments are increasingly used to establish long flood chronologies especially in the Alpine (Støren et al ., ; Glur et al ., ; Wilhelm et al ., ; Wirth et al ., ), peri‐Alpine (Arnaud et al ., ; Czymzik et al ., ; Swierczynski et al ., ) and Arctic realms (Francus et al ., ; Lamoureux et al ., ; Lapointe et al ., ). The recurrence intervals of detrital layers provide information about palaeoflood frequencies (Czymzik et al ., ; Swierczynski et al ., ; Schlolaut et al ., ), whereas flood intensities have been inferred from the thickness (Schiefer et al ., ; Wilhelm et al ., ) of individual deposits.…”

Section: Introductionmentioning

confidence: 99%

Hydrological and sedimentological processes of flood layer formation in Lake Mondsee

Kämpf

Mueller

Höllerer

et al. 2015

The Depositional Record

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Detrital layers in lake sediments are recorders of extreme flood events. However, their use for establishing time series of past floods is limited by lack in understanding processes of detrital layer formation. Therefore, we monitored hydro-sedimentary dynamics in Lake Mondsee (Upper Austria) and its main tributary, Griesler Ache, over a 3-year period from January 2011 to December 2013. Precipitation, discharge and turbidity were recorded continuously at the river outlet to the lake and compared to sediment fluxes trapped with 3 to 12 days resolution at two locations in the lake basin, in a distance of 0Á9 (proximal) and 2Á8 km (distal) to the Griesler Ache inflow. Within the 3-year observation period, 26 river floods of different magnitude (10 to 110 m 3 s À1 ) have been recorded resulting in variable sediment fluxes to the lake (4 to 760 g m À2 d À1 ) including the 'century-scale' flood event in June 2013. The comparison of hydrological and sedimentological data revealed (i) a rapid sedimentation within 3 days after the peak runoff in the proximal and within 6 to 10 days in the distal lake basin; (ii) empirical flood thresholds for triggering sediment flux at the lake floor increasing from the proximal (20 m 3 s À1 ) to the distal lake basin (30 m 3 s À1 ) and (iii) various factors that control the detrital sediment transport in the lake. The amount of sediment transported to the lake is controlled by runoff and catchment sediment availability. The distribution of detrital sediment within the lake basin is mainly driven by mesopycnal interflows and closely linked to flood duration and the season in which a flood occurred. The combined hydro-sedimentary monitoring revealed detailed insights into processes of flood layer formation in a meso-scale peri-Alpine lake and, thereby, improves the interpretation of the depositional record of flood layers.

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Event layers in the Japanese Lake Suigetsu ‘SG06’ sediment core: description, interpretation and climatic implications

Cited by 45 publications

References 60 publications

Mass accumulation rate of detrital materials in Lake Suigetsu as a potential proxy for heavy precipitation: a comparison of the observational precipitation and sedimentary record

Mass accumulation rate of detrital materials in Lake Suigetsu as a potential proxy for heavy precipitation: a comparison of the observational precipitation and sedimentary record

A comparison of micro-CT and thin section analysis of Lateglacial glaciolacustrine varves from Glen Roy, Scotland

Hydrological and sedimentological processes of flood layer formation in Lake Mondsee

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