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| Titel: |
An analysis and interpretation of the current data collected in the strait of Juan de Fuca in 1973 |
| Auteur: |
Godin, Gabriel Candela, Julio de la Paz-Vela, Rene |
| Verschenen in: |
Marine geodesy |
| Paginering: | Jaargang 5 (1981) nr. 3 pagina's 273-302 |
| Jaar: |
1981 |
| Inhoud: |
We evaluate a set of current measurements done in a section of the Strait of Juan de Fuca. The flow is of estuarine character, the upper layer flow usually being directed seaward. The RMS value of steady current exceeds its mean value appreciably in the upper layer; it also exceeds the mean near the bottom. The near-surface currents do change their direction on occasions and can run landward for over five consecutive days, especially in the southern part of the channel. The lower layer flow (landward) and the upper layer flow (seaward) varied in magnitude from 90 to 160 thousand m3/sec, and their fluctuations were in phase; their difference, the net flow, is of the order of 5% to 10% of these flows and could not be calculated with any confidence. Tidal motion is barotropic in the section, with some deformation in the vertical caused by bottom friction and internal stresses. The M2 tide in the system Juan de Fuca-Georgia Strait can be represented by a standing Kelvin wave influenced by friction. The K1 tide can also be represented by a standing Kelvin wave if some leakage is allowed in the northern end of Georgia Strait. Topographic effects mask the Coriolis influence on the intensity of tidal currents. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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