[MIS10-P11] Preliminary reconstruction of lake-level changes during the last 50 ka based on fossil diatom assemblages in Lake Biwa
Keywords:Lake Biwa, planktonic diatom, transfer function, lake-level change, sand content, C/N ratio
Rate of planktonic species of diatom assemblage in the surface sediment vs water depth can be changed into the transfer function of water depth. The transfer function applied to drilled sediment from Lake Biwa into lake-level change history during the last 50 ka. And a comparison based on rate of complete valves of diatom assemblages (%), number of valves per gram of diatom assemblages (valves/g), sediment structure, sand content (%), and C/N ratio indicates that these proxies can remove the noise of reconstruction of lake-level changes like flood sediments.