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Tides are the periodic rise and fall of sea level resulting from the differential gravitational forces exerted primarily by the Moon and the Sun, combined with inertial effects associated with the Earth–Moon system’s orbital motion and the Earth's rotation.
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tidal tides moon earth water high time ocean low two spring sun force lunar day flow also direction cycle forces
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Tide | is a | epoch | 0.90 | text |
| Tide | is a | hypothetical constituent | 0.90 | text |
| Tide | is a | idealized tide assuming a landless Earth.ForcesThe tidal force produced by a massive object | 0.90 | text |
| Tide | is a | idealized tide assuming a landless Earth | 0.90 | text |
| Tide | is a | perigean spring tide when both the Sun and Moon are closest to the Earth.When confronted by a periodically varying function | 0.90 | text |
| the Moon | instance of | Now consider the effect of massive external bodies | 0.80 | text |
| Sun | instance of | Now consider the effect of massive external bodies | 0.80 | text |
| underwater bathymetry | instance of | Coastal characteristics | 0.80 | text |
| coastline shape mean that individual location characteristics affect tide forecasting | instance of | Coastal characteristics | 0.80 | text |
| the South China Sea | instance of | but some areas | 0.80 | text |
| the Gulf of Mexico are primarily diurnal | instance of | but some areas | 0.80 | text |
| introducing invasive species | instance of | Other anthropogenic actions | 0.80 | text |
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