Name: ________________________
Study Sheet - Test 5 - Geol V11 (Oceanography)
- Chapters 9 & 10
An orbital wave is a kind of _________ wave (174)
Capillary waves are
excited by _________ and restored by _________. (176)
The distance between
successive crests (or troughs) determines wave: (175)
Gravity is the
__________ force affecting waves over 1.73 (0.68 inches) centimeters long.
(176)
The term fetch describes: (180)
When wind energy is
transmitted to the sea surface, causing waves to form, it is called a _____
force. (175)
When planning for the World War II D-Day beach landings, the
planners took into account the ________ to make their decision on when to
launch the attack. (video)
The 1:7 ratio of wave
___________ to _________ is used to characterize moderately-sized waves in the
open ocean. (180)
A shoreward-moving wave train first “feels” the bottom when:
(175)
The high-velocity
components of a water mass returning seaward after a break are called:
(video/234)
When a wave at sea exceeds its 1:7 ratio for steepness, it
will break and form: (180)
Internal waves are
usually formed at the: (video)
When a wave approaching
shore reaches a 3:4 ratio of height to water depth, it will: (184)
The largest wave yet
accurately recorded was 112 feet, calculated as its: (video/181)
One of the major
concerns regarding rising sea levels is that, currently, about ______ of the
Which of these is not
of major concern related to rising sea levels? (video)
What caused the
destruction of the Scotch Cap lighthouse on
Because their
wavelength is always more than the water depth, tsunami are categorized as:
(188)
A tsunami will seldom
be detected by a ship at sea because: (189)
The statement has been made that, unlike wind waves, one
could not duck under or dive into, a tsunami wave and have it pass over you,
because: (188)
The Thames Tidal
Defense system is designed to protect against: (186)
When describing a
standing wave, the point where there is no vertical movement is called the:
(187F)
Damage from seiches
along most open coasts is: (186)
Which of the following
statements is untrue concerning tsunami? (187)
Which of these
statements is true about tsunami? (187)
In a closed system,
such as
A seismic sea wave can
be formed by: (187)
If the movement along a
subsea fault, leading to formation of a seismic sea wave, were initially
downward, the resulting depression in the sea surface would initiate
propagation as a: (188)
The period of a tsunami
is usually measured in: (189)
What is the most
important factor in determining the location of a shoreline? (213)
A storm surge is not technically a wave because: (185)
If the source of energy
for a tsunami is far away (such as in the Aleutian Trench), it will probably
reach the shores of
Certain areas are more
susceptible to generating tsunamis because of: (video)
During the full and new
moons the tractive forces acting on Earth are: (200)
The mass flowing of water due to sea level changes caused by
passage of tidal crests or troughs is called: (206)
Tides are called forced
waves because the forces that influence them: (196)
The forces that
generate tides are __________ proportional to the __________ of the distance
between Earth’s center and the center of the tide-generating object. (196)
The largest tidal ranges occur: (204)
The tidal bulge is,
theoretically, the ________ of a progressive wave. (201)
Considering the two
water bulges in
The Earth-moon system actually revolves: (197+)
In the Southern
Hemisphere, water in an ocean basin moves _______ around an amphidromic point.
(204)
The reference level to which tidal height is compared is
called the: (204)
Tidal fluctuations
consume a great deal of energy, most of which comes from: (206)
The same side of the
moon is always facing Earth because: (207)
Recent research has
shown that, as a result of tidal friction, the moon is: (video)
Many scientists believe
that the ____ is the single most important aspect of the entire tidal process.
(video)
How much longer is the lunar tidal day than Earth’s 24-hour day? (199)
Water in an ocean
basin, moving as a tidal wave, tends to move to the right due to: (203)
An ebb current occurs
_________ slack water. (206)