Reconstructing Modern Hydro-Environmental Fluctuations Inferred from Lacustrine Sediment in Lake Onuma, Hokkaido

This study investigated the continuous record of eutrophication in Lake Onuma based on the geochemical properties of two lake sediment cores obtained from the deepest part of the lake in 2011. Based on a tuff layer deposited during the eruption of Mt. Komagatake, and on the correlation between fluctuations in • 13 C and • 15 N values, two sediment cores, ON11-2-2 and ON11-6, were dated to the 1920s and 1890s, respectively. The • 13 C value and C/N ratio for the lake sediments show values within the ranges for planktonic material and river sediment, suggesting

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Tectonic (Tectono-Geomorphic) Forces on Systems

Kashiwaya

2017

Geomorphology of Lake-Catchment Systems

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Reconstructing Modern Hydro-Environmental Fluctuations Inferred from Lacustrine Sediment in Lake Onuma, Hokkaido

Cited by 4 publications

References 7 publications

Possible Age Models for Lake Onuma Lacustrine Sediments Based on Tuffs Recovered in Three Cores

Possible Age Models for Lake Onuma Lacustrine Sediments Based on Tuffs Recovered in Three Cores

Recent Eutrophication and Environmental Changes in the Catchment Inferred from Geochemical Properties of Lake Onuma Sediments in Japan

Tectonic (Tectono-Geomorphic) Forces on Systems

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