Tides Flashcards

1
Q

Define HAT

A

Highest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions

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2
Q

Define LAT

A

Lowest level which can be predicted to occur under average meteorological conditions and and combination of astronomical conditions

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3
Q

Define MHWS

A

The average height of two successive high waters during every those periods of 24 hours when the range of tide is greatest

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4
Q

Define MLWS

A

The average height of two successive low waters during every those periods of 24 hours when the range of tide is greatest

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5
Q

Define MHWN

A

The average height of two successive high waters during every those periods of 24 hours when the range of tide is least

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6
Q

Define MLWN

A

The average height of two successive low waters during every those periods of 24 hours when the range of tide is least

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7
Q

Define chart datum

A

A level so low that the tide will not frequently fall below it. It is the zero of tidal predications

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