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Table 1 Summary of the sensitivity analysis of the grain size

From: To what extent tsunami source information can be extracted from tsunami deposits? Implications from the 2011 Tohoku-oki tsunami deposits and sediment transport simulations

\(d\) (mm)

\(w_{0}\) (m)

\(u_{{\text{c}}}\) (m)

\(\alpha\)

\(\beta\)

\(V_{{{\text{sim}}}}\) (m3)

\(R_{{\text{d}}}\) (%)

0.187

0.02136

0.01463

5.22

5.89 × 10−5

113,591

131

0.214

0.02576

0.01498

4.77

4.94 × 10−5

99,161

114

0.240

0.02983

0.01528

4.37

4.17 × 10−5

92,180

106

0.267

0.03386

0.01556

4.0

4.4 × 10−5

86,645

100

0.294

0.03768

0.01582

3.64

2.93 × 10−5

78,493

91

0.320

0.04116

0.01605

3.34

2.47 × 10−5

70,573

81

0.347

0.04458

0.01628

3.05

2.07 × 10−5

62,687

72

  1. \(d\), Grain size; \(w_{0}\), Settling velocity in the static water column; \(u_{{\text{c}}}\), Critical shear velocity; \(\alpha\), Empirical parameter for the bedload formula; \(\beta\), Empirical parameter for the exchange rate formula; \(V_{{{\text{sim}}}}\), Volume of resampled and interpolated deposit around Suijin-numa; \(R_{{\text{d}}}\), Ratio of deposition volume to the reference \(\left( {d = 0.267\;{\text{mm}}} \right)\) result