Abstract
The sediments of Mikata Lowland (including Mikata Five Lakes), central Japan, contain a potential record of paleoenvironments and paleoclimates that date since the last interglacial time. Three continuous drill cores of lake and fluvial sediments in Mikata Lowland were obtained in 1991-1993, from Lake Mikata, Lake Suigetsu and Kurota Lowland. Dating of core samples by a combination of tephrochronology and 14C dating has revealed that three core samples include the paleoenvironmental history since at least the most recent interglacial time. The sedimentation process in Mikata Lowland has also been clarified by the sedimentary facies of core samples. The average sedimentation rate in Lake Mikata is twice as large as in Kurota Lowland which situated at the southern part of Mikata Lowland.
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