About SHIRAI MASAAKI
About UTSUGAWA TAKAKO
About OMURA AKIKO
About HAYASHIZAKI RYO
About KATO YUUMA
About ASHI JUICHIRO
About 日本堆積学会大会プログラム・講演要旨
About river
About Shizuoka prefecture
About pelagic sediment
About rate of sedimentation
About construction (build)
About dam
About boring core
About sea area
About Northwest Pacific Ocean
About Tenryugawa River
About dam construction
About Enshunada
About Sedimentology in general
About 遠洋性堆積物
About コア試料
About 20世紀
About 堆積速度