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Table 2 Diatom assemblage analysis results

From: Spatial distribution and sources of tsunami deposits in a narrow valley setting - insight from 2011 Tohoku-oki tsunami deposits in northeastern Japan

Sample nameSediment typeDepth (cm)Marine (%)Brackish (%)Marine-brackish (%)Freshwater (%)Unknown (%)
GPS7Pond sediment29–302.83.30.993.00.0
GPS12Rice paddy soil6.5–7.51.01.01.096.01.0
GPS21Tsunami mud layer0–62.96.82.087.80.5
GPS172Tsunami mud layer0–35.61.42.388.32.3
GPS182Tsunami mud layer0–2.51.91.40.594.71.4
GPS185-1Tsunami mud layer0–31.50.52.087.28.9
GPS185-2Tsunami mud layer3–95.32.41.490.30.5
GPS42Tsunami mud drape4–52.71.30.493.81.8
  1. Sampling site locations were shown in Figs. 1c and 8. Major species of each sample were shown in Additional file 1: Table S2. Diatom identification and habitat were based on methods described by Kosugi (1988) and Ando (1990)