Research Article
Tidal Hydrodynamics in the Lower Columbia River Estuary through Depth Averaged Adaptive Hydraulics Modeling
Table 1
Harmonic constituent analysis.
| Station
| Harmonic constituent amplitude, meters | ā | MSF | O1 | K1 | M2 | S2 | M4 | S4 |
| Astoria
| Model | 0.08 | 0.25 | 0.39 | 0.94 | 0.25 | 0.04 | 0 | Field | 0 | 0.28 | 0.42 | 0.92 | 0.25 | 0.01 | 0 |
| Skamokawa
| Model | 0.11 | 0.2 | 0.33 | 0.86 | 0.21 | 0.09 | 0 | Field | 0.09 | 0.22 | 0.35 | 0.82 | 0.22 | 0.05 | 0.01 |
| Wauna
| Model | 0.12 | 0.18 | 0.3 | 0.79 | 0.19 | 0.1 | 0 | Field | 0.1 | 0.2 | 0.32 | 0.78 | 0.21 | 0.06 | 0 |
| Quincy
| Model | 0.1 | 0.01 | 0 | 0.11 | 0 | 0 | 0 | Field | 0.1 | 0.01 | 0 | 0.08 | 0 | 0 | 0 |
| Longview
| Model | 0.14 | 0.1 | 0.18 | 0.44 | 0.11 | 0.1 | 0 | Field | 0.14 | 0.11 | 0.2 | 0.48 | 0.12 | 0.1 | 0 |
| St. Helens
| Model | 0.14 | 0.08 | 0.14 | 0.3 | 0.08 | 0.06 | 0 | Field | 0.16 | 0.09 | 0.17 | 0.33 | 0.08 | 0.06 | 0 |
| Vancouver
| Model | 0.14 | 0.09 | 0.13 | 0.25 | 0.07 | 0.05 | 0 | Field | 0.17 | 0.09 | 0.16 | 0.3 | 0.08 | 0.05 | 0 |
| Bonneville
| Model | 0.05 | 0.04 | 0.01 | 0.01 | 0.01 | 0 | 0 | Field | 0.06 | 0.03 | 0 | 0 | 0 | 0.01 | 0 |
| Portland
| Model | 0.13 | 0.02 | 0 | 0.05 | 0 | 0 | 0 | Field | 0.12 | 0.02 | 0 | 0.05 | 0 | 0 | 0 |
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