Search results
Results From The WOW.Com Content Network
King tides are the highest tides. They are naturally occurring, predictable events. Tides are the movement of water across Earth's surface caused by the combined effects of the gravitational forces exerted by the Moon, Sun, and the rotation of Earth which manifest in the local rise and fall of sea levels.
Tidal range is the difference in height between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun, by Earth's rotation and by centrifugal force caused by Earth's progression around the Earth-Moon barycenter. Tidal range depends on time and location.
The highest water level ever recorded, 21.6 metres (71 feet), occurred in October 1869. It caused extensive destruction to ports and communities, much of which was attributed to a two-metre storm surge created by the Saxby Gale, a tropical cyclone, which coincided with a perigean spring tide.
The Highest Astronomical Tide is the perigean spring tide when both the Sun and Moon are closest to the Earth. When confronted by a periodically varying function, the standard approach is to employ Fourier series , a form of analysis that uses sinusoidal functions as a basis set, having frequencies that are zero, one, two, three, etc. times the ...
The dates of spring tides and neap tides, approximately seven days apart, can be determined by the heights of the tides on the classic tide tables: a small range indicates neaps and large indicates springs. This cycle of tides is linked to the phases of the moon, with the highest tides (spring tides) occurring near full moon and new moon.
The deeper tides will start Friday and continue through Monday, and can run 6 inches to a foot higher than a typical high tide in the summer. The king tides will return later in the fall, Oct. 27 ...
Tide tables give the height of the tide above a chart datum making it feasible to calculate the depth of water at a given point and at a given time by adding the charted depth to the height of the tide. One may calculate whether an area that dries is under water by subtracting the drying height from the [given] height calculated from the tide ...
Turnagain is characterized by remarkably large tides of up to 40 feet (12 meters) which are the largest tides in the United States. The flood tide often begins with a tidal bore especially on large tides with a strong east wind, which has a height of 6 feet (1.8 m) at times, and runs in from the west at a speed of 5–6 miles (8.0–9.7 km) an ...