Chapter 9 oceanography

A boat is most likely to be carried out to sea from a harbor by a(n) __________. flood current rotary current tidal bore whirlpool ebb current

ebb current

Match the term with the appropriate phrase. water moving out from an inlet due to approaching low tide neap tide ebb current amphidromic point tidal bore spring tide

ebb current

Water flowing out of an enclosed basin due to the tides is called a/an: tidal bore. spring tide. ebb current. flood current. neap tide

ebb current.

Disadvantages of tidal power plants relative to conventional thermal plants include higher initial plant costs, periodicity of tidal currents, and __________. heat pollution excessive noise impacts on the marine environment air pollution high operating costs

impacts on the marine environment

Match the term with the appropriate phrase. smallest tidal range in the lunar cycle neap tide amphidromic point ebb current tidal bore spring tide

neap tide

An area that experiences diurnal tides will have: two high tides and two low tides of nearly equal height daily. one high tide and two low tides daily. one high tide and one low tide daily. one low tide and two high tides daily. two unequal low and high tides daily.

one high tide and one low tide daily.

The difference between centripetal forces and gravitational forces is called the: solar force. resultant force. tidal force. diurnal force. dynamic force.

resultant force.

Some of the tide height numbers in your tide table are preceded by minus signs (or in some cases printed in red). This tells you that __________. there is insufficient data to provide good values for these tides strong offshore winds are expected the tidal range is very small, and a neap tide is occurring a rare proxigean tide is occurring spring tides are occurring

spring tides are occurring

A full lunar tidal cycle is: 12 hours in duration. 24 hours in duration. 12 hours 25 minutes in duration. 48 hours in duration. 24 hours and 50 minutes in duration

24 hours and 50 minutes in duration.

In the United States semidiurnal tides commonly occur along the: Pacific coast. Atlantic coast. Florida Keys. Gulf of Alaska. Gulf of Mexico coast.

Atlantic coast.

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A. aphelion B. nadir C. apogee D. perigee E. perihelion

B. nadir

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A. diurnal B. semidiurnal C. mixed D. quadrature E. mixed semidiurnal

D. quadrature

Match the term with the appropriate phrase. gravitational tidal current tidal force tidal pattern

Tidal Force

Match the term with the appropriate phrase. resultant tidal force tidal current tidal pattern

Tidal Force

The barycenter follows: a wavy path around the Sun. a pattern that parallels the Moon's orbit. the Earth's declination. a smooth orbit around the Sun. a path that is perpendicular to the Earth's ecliptic.

a smooth orbit around the Sun.

Match the term with the appropriate phrase. center of an open ocean tidal system ebb current spring tide amphidromic point tidal bore neap tide

amphidromic point

The center of an open ocean tidal system is called a/an: tidal flux. rotary center. cotidal center. seiche. amphidromic point.

amphidromic point.

When the Earth is at its greatest distance from the sun, it is said to be at: proxigean. perigee. perihelion. aphelion. apogee.

aphelion

A proxigean tide occurs when __________. the Moon is full and there is a neap tide the Moon is at apogee and its declination is zero the Moon is at quadrature and perigee at the same time the Moon is at perigee at a time of syzygy there is a waxing gibbous Moon and the Sun is at aphelion

the Moon is at perigee at a time of syzygy

Measurable tidal bulges occur in __________. the ocean, the atmosphere, and Earth's crust the ocean and the atmosphere only the ocean only any body of water, regardless of size the ocean and Earth's crust only

the ocean, the atmosphere, and Earth's crust

Match the term with the appropriate phrase. diurnal tidal pattern tidal force tidal current

tidal pattern

The vertical difference between consecutive high and low tides is called the: tidal range. tidal bore. tidal height. ebb tide. flood tide.

tidal range.

If the resultant force has a significant horizontal component (tangential to Earth's surface), it produces tidal bulges on Earth, creating what are known as: tide-generating forces. resultant forces. lunar bulges. solar bulges. centripetal forces.

tide-generating forces.

Spring tide occurs about: once per year. twice per year. once per month. twice per month. once per season.

twice per month.

The Bay of Fundy is well known for which tidal characteristic? very low tidal range two amphidromic points very high tidal range a diurnal tide very large seiche

very high tidal range

Neap tides occur: during a storm surge. when the sun is at perihelion or aphelion. when the moon is full or new. at summer and winter solstice. when the moon is in quadrature.

when the moon is in quadrature.

A tidal current can produce a rapidly spinning body of water called a vortex or: shoal. flood current. tidal bore. whirlpool. ebb current.

whirlpool.