astronomical tide

astronomical tide

[‚as·trə′näm·ə·kəl ′tīd]
(oceanography)
An equilibrium tide due to attractions of the sun and moon.
References in periodicals archive ?
Under the influence of the land depression the low-lying areas of the coastal districts of Cox's Bazar, Chittagong, Noakhali, Laxmipur, Feni, Chandpur, Bhola, Barisal, Patuakhali, Jhalakati, Pirojpur, Borguna, Bagherhat, Khulna, Satkhira and their offshore islands are likely to be inundated by wind driven surge of 2ft height above normal astronomical tide.
Waters are likely to rise to about two feet above astronomical tide levels in southeastern Virginia, with minor coastal flooding likely.
In order to address concerns from members of the public and mitigate the impacts the applicant has reduced the proposed height of the surface piercing superstructures for TECs from 18 metres to 9 metres above lowest astronomical tide.
According to the BMD bulletin, the low-lying areas of some coastal districts are likely to be inundated by storm surge of 8- 10 feet height above normal astronomical tide.
The US National Weather Service defines a storm surge as an "abnormal rise of water generated by a storm, over and above the predicted astronomical tide.
5 metre high above astronomical tide would inundate low-lying areas of Guntur, Krishna, West and East Godavari districts at the time of landfall, it said.
The new channel, which required the dredging of 65 million cubic metres, has a minimum depth of nine metres at lowest astronomical tide and a minimum width of 200 metres.
The minimum depth is 9 metres at lowest astronomical tide, and the minimum width is 200 metres.
Technology: Accelerated low water corrosion (ALWC) is an aggressive form of microbiologically induced localised corrosion commonly found on unprotected steel structures close to the level of the lowest astronomical tide or in the immersed zone.
Mr Stutter left Holyhead beach in a boat which was "unsuitable for the sea" at around 7am on March 30 - a day when it was the biggest astronomical tide of the year.
2 m lower than the highest astronomical tide, only very large tides are able to cover the marshes with a significant depth of water.
These calculated values were then used in a separate equation to calculate the storm surge expected at both high and low astronomical tide for a specific location in Charleston, South Carolina based on the sites' elevation above mean sea level, for a variety of landfall possibilities.

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