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Tide tables, sometimes called tide charts, are used for tidal prediction and show the daily times and levels of high and low tides, usually for a particular location. [1] Tide heights at intermediate times (between high and low water) can be approximated by using the rule of twelfths or more accurately calculated by using a published tidal ...
The Parramatta River is an intermediate tide-dominated, drowned valley estuary [2] located in Sydney, New South Wales, Australia. With an average depth of 5.1 metres (17 ft), [3] the Parramatta River is the main tributary of Sydney Harbour, a branch of Port Jackson. Secondary tributaries include the smaller Lane Cove and Duck rivers.
Karuah River rises on the southeastern slopes of Gloucester Tops of the Great Dividing Range, below The Mountaineer, southwest of Gloucester, and flows generally southeast and south. joined by eleven tributaries including the Telegherry, Mammy Johnsons, and The Branch rivers, before reaching its mouth within Port Stephens at Karuah, and then flows out to the Tasman Sea of the South Pacific Ocean.
Port Stephens, an open youthful tide-dominated drowned-valley estuary, [1] is a large natural harbour of approximately 134 square kilometres (52 sq mi) [2] located in the Hunter and Mid North Coast regions of New South Wales, Australia.
The Georges River, also known as Tucoerah River, [1] is an intermediate tide-dominated drowned valley estuary, [5] that is located in Sydney, Australia.The Georges River is located south and south-west from the Sydney central business district, with the mouth of the river being at Botany Bay.
Tidal diamonds are symbols on British admiralty charts and others [a] that indicate the direction and speed of tidal streams. The symbols consist of a letter of the ISO basic Latin alphabet in a rhombus, printed in purple ink. [b] On any particular chart each tidal diamond will have a unique letter starting from "A" and continuing ...
Tide range is the vertical distance between the highest high tide and lowest low tide. The size of the lunar tide compared to the solar tide (which comes once every 12 hours) is generally about 2 to 1, but the actual proportion along any particular shore depends on the location, orientation, and shape of the local bay or estuary.
A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart datum is generally derived from some tidal phase, in which case it is also known as a tidal datum. [1] Common chart datums are lowest astronomical tide (LAT) [1] and mean lower low water (MLLW).