Table 1
Summary of the observed bedforms and comparison with two experimental studies (Dumas et al., 2005 and Perillo et al., 2014a). 3D CR (3D Current Ripples); 3D AR (3D Asymmetrical Ripples); 2/2.5D SR (2/2.5D Symmetrical ripples); 2D SSD (2D Symmetrical Small Dunes); USPB (Upper Stage Plane Bed); 3D SD (3D Symmetrical Dunes); 2D SD (2D Symmetrical Dunes). λ(cm) bedform wavelength; η(cm) bedform elevation; Uo (cm.s−1) velocity of oscillatory flow; Uc (cm.s−1) velocity of unidirectional flow; Ø: no data; Abs.: Not observed
| This study | Dumas et al., (2005) | Perillo et al., (2014a) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bedforms | λ(cm) | η(cm) | Position along the intertidal zone |
% of bedforms through the intertidale zone |
Uo (cm.s−1) | Uc (cm.s−1) | λ(cm) | η(cm) | Uo (cm.s−1) | Uc (cm.s−1) | λ(cm) | η(cm) |
| 3D CR | 15 | 2 | Trough of runnel | 0,6 | Ø | > 10 | Ø | Ø | < 15 | > 20 | 35 | 1,5 |
| 3D AR | 15 | 5 | Trough of runnel / bottom of ridge | 12,4 | < 40 | > 10 | 11–21 | 1,2–2,9 | 15–50 | Ø | 22 | 2,5 |
| 2/2.5D SR | 16 | 5 | Slope / bottom of ridge | 31,4 | < 40 | > 5 | 7–11 | 0,5–1,3 | < 30 | < 10 | 23 | 3,7 |
| 2D SSD | 50 | 15 | Top of the ridge | 4,6 | Abs. | Abs. | Abs. | Abs. | Abs. | Abs. | Abs. | Abs. |
| 90–120 | Ø | |||||||||||
| USPB | Ø | Ø | Top of the ridge | 29,7 | 60 | 20 | Ø | Ø | Ø | Ø | Ø | Ø |
| 2D SD | 120 | 20 | Slope / bottom of ridge | 3,7 | 40–100 | < 4 | 111–224 | 6–27 | Abs. | Abs. | Abs. | Abs. |
| 3D SD | 140 | 20–50 | Slope / bottom of the ridge | 13,7 | 50–90 | < 15 | 150–300 | 10–25 | 70–80 | < 20 | 70 | 6 |
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