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Marine Science 101 Final Exam Questions with Complete Solutions
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  • Course
  • Marine Science
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  • Marine Science

A storm blows over the open ocean. Which factor does not influence the eventual amplitude of the waves the storm generates? A) duration of wind B) water depth C) the distance over which wind blows (fetch) D) wind speed - Answer-B) water depth What do wave orbitals represent in a sketch of a...

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  • September 22, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • marine science 101 final exam questions with compl
  • a storm blows over the open ocean which factor do

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Marine Science 101 Final Exam
Questions with Complete Solutions
A storm blows over the open ocean. Which factor does
not influence the eventual amplitude of the waves the storm generates?
A) duration of wind
B) water depth
C) the distance over which wind blows (fetch)
D) wind speed - Answer-B) water depth

What do wave orbitals represent in a sketch of a wave? - Answer-the movement of
individual water particles over one wave period

The speed at which individual crests travel is called the - Answer-celerity

The speed of a shallow water wave increases with the - Answer-water depth

As a wave begins to feel the bottom near a shoreline, its wave height - Answer-
increases and wavelength decreases

A tsunami may result from - Answer-tectonic activity on the seafloor

The speed of a wave is equal to - Answer-wavelength divided by period

The most important restoring force for larger ocean wind waves is - Answer-gravity

Wave dispersion is caused by - Answer-waves of different wavelengths moving at
different speeds

Wave refraction tends to concentrate the energy of waves - Answer-on headlands that
extend out into the water

internal waves typically have heights that are far greater than surface waves because -
Answer-the density difference across a pycnocline is much smaller than the density
difference between air and water

True or False. Most tsunamis are shallow water waves - Answer-True

Which side of the barrier island contains the oldest peat deposits? - Answer-the ocean
side

What is the current rate of global sea level rise? - Answer-2-3mm per year

, Deltas occur where the rate of sediment deposition from rivers discharging into the
ocean _______ the rate of sea level rise - Answer-is greater than

Deltas with smooth triangular shapes (e.g., the Nile) are dominated by _______ and
deltas with a branching "bird's foot" structure (e.g., the Mississippi) are dominated by
______. - Answer-waves; river deposition

A river plume is a formed in a ___________ estuary when river flow is very _______ -
Answer-salt wedge; high

Fjords are a type of estuary that are extremely ________ and have been formed
_________. - Answer-deep; in glacial valleys that flooded after ice retreated

A shallow, wide estuary formed where sediment deposition has been much slower than
rising sea level is called a ____________. An example is the __________ - Answer-
drowned river valley; Chesapeake Bay

An estuary formed by the faulting of rocks creating a depression into which a river flows
is called a __________. An example is __________ - Answer-tectonic estuary; San
Francisco Bay

True or False. There is higher primary productivity at the poles than in the tropics -
Answer-true

Sunlight limits productivity during - Answer-winter

Primary productivity is greatest in - Answer-spring/fall

What is the biological pump pumping? - Answer-carbon

The typical depth of the euphotic zone in the deep ocean is - Answer-100 m

The euphotic zone is reduced in coastal waters because of
(a) high nutrient runoff and eutrophication
(b) high suspended sediment concentration
(c) fresher water
(d) (a) and (b)
(e) (a), (b), and (c) - Answer-(d) (a) and (b)

During primary production - Answer-carbon dioxide in the water is converted to organic
carbon

During the summer, what best describes conditions at the equator - Answer-nutrient-
depleted water, low productivity

During the summer, what best describes

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