Cascadia tsunami deposit database
收藏DataONE2016-10-29 更新2024-06-26 收录
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资源简介：
The Cascadia Tsunami Deposit Database contains data on the
location and sedimentological properties of tsunami deposits
found along the Cascadia margin. Data have been compiled from
52 studies, documenting 59 sites from northern California to
Vancouver Island, British Columbia that contain known or
potential tsunami deposits. Bibliographical references are
provided for all sites included in the database. Cascadia
tsunami deposits are usually seen as anomalous sand layers in
coastal marsh or lake sediments. The studies cited in the
database use numerous criteria based on sedimentary
characteristics to distinguish tsunami deposits from sand
layers deposited by other processes, such as river flooding
and storm surges. Several studies cited in the database
contain evidence for more than one tsunami at a site. Data
categories include age, thickness, layering, grainsize, and
other sedimentological characteristics of Cascadia tsunami
deposits. The database documents the variability observed in
tsunami deposits found along the Cascadia margin.
创建时间：
2016-10-29
