TRANSPORTATION AND HIGHWAY TERMS 1

Mea Jane Ramos · 73問 · 1年前

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Waves formed by gravitational attraction of the moon and sun.

tides

The spread of energy along a wave crest is called:

diffraction

The bending of waves as they slow down.

refraction

Waves under the influence of the winds that generated them are called:

sea

Waves that have propagated beyond the intial winds that generated them are called:

swell

The distance that a wind blows across the water is called:

fetch

The time that a wind blows across the water is called:

duration

The average of the highest one-third of the waves are called:

Significant wave height

The highest tide which occurs at intervals of half a lunar month when the sun, moon and earth fall in line.

Spring tides

The lowest tide of the month when the lines connecting the earth with the sun and the moon form a right triangle, that is when the moon is in its quarters are called:

Neap tides

Prevailing winds which are seasonal blowing in one direction over part of the year and in the opposite direction the remainder of the year.

Monsoon

Tides that occur twice its lunar day is called:

Semi-diurnal tides

The side of a structure facing the direction from which the wind comes.

Windward side

High crested waves caused by the rush of flood tide up a river or by meeting of tides are called:

Tidal bores

The opposite side of a structure facing the direction from which the wind comes.

Leeward side

The graphical representation of the direction, frequency and intensity of winds at a particular location over a period of time is known as:

Wind rose

The circulation of masses of air more or less parallel to the earth's surface.

Wind

A scale use to measure the intensity and force of winds.

Beaufort's Scale

The highest tides in the world where a rise of 100 ft. has been recorded occur in _____.

Bay of Funday

The periodic rise and fall of the ocean waters produced by the attraction of the moon and sun.

Tides

The average of the high water over a 19-year period is known as:

Mean high water

Tides which occurs only one high tide a day is called:

Diurnal tides

The average height of the higher high waters over a 19-year period.

Mean higher high water

If one of the two daily tide is incomplete, that is it does not reach the height of the previous tide, then the tides are referred to as:

Mixed diurnal tides

Average of the low water over a 19-year period is called:

Mean low water

The higher of the two high waters of any diurnal tide day.

Higher high water

The lowest height of water of spring tides.

Lowest low water

The lower of the two low waters of any diurnal tide day.

Lower low water

The height of the mean high water above mean low water.

Mean range

The average height of the lower low waters over a 19-year period.

Mean lower low water

The mean of the height of mean high water above the mean low water is referred to as:

Mean sea level

The highest height of water of spring tides.

Highest high water

The difference in height between the mean higher high water and the mean lower low water.

Diurnal range

Regular occurrence at certain locations are high crested single or solitary type of wave caused by the rush of flood tide up in the river or by the meeting of tides as in the Bay of Funday where the highest tide of 100 ft. is recorded in the world is referred to as:

Tidal bore

A maximum wave height and wave period of the maximum wave height in wave train.

Highest wave

A wave at a point where the water depth is equal to ½ of the wavelength or greater to be expressed in terms of the parameters of significant wave.

Deep water wave

Waves which occur in water having a depth less than one half of the wave length and the influence of the bottom changes the form or orbital motion from circular to elliptical or near-elliptical.

Shallow water wave

A hypothetical wave having a wave height and period equal respectively to average values of the wave height and period of the largest 1/3 of all waves in the train as I counted in the order of greater wave height.

Significant wave

Waves break under the following conditions: I. When the forward velocity of the crest particles exceeds the velocity of the propagation of the wave itself II. When the wave height exceeds (1/7) of the wave length in deep water III. When the wave reaches shallow water where the depth is equal to about one and one quarter of its height.

All of the above

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