11.3: Questions
- Page ID
- 53329
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)Question 1 Horizontal transport of ocean water masses is made by
Currents
Convection
Density
Salinity
Question 2 Vertical movement of ocean water masses is made by
Currents
Convection
Density
Salinity
Question 3 What provides the energy that drive ocean currents?
Gravity
Winds
Seafloor topography
Convection
Question 4 What factors determine the density of an ocean water mass?
Seafloor topography and Latitude
Temperature and density
Density and sun angle
Latitude and logitude
Question 5 Deep-water or vertical circulation in the ocean is called
Thermohaline circulation
Density-driven circulation
Temperature-driven circulation
Pyclocline circulation
Question 6 The energy source for circulations in the ocean is
The Sun
The core of Earth
Both the Sun and the core of earth
Rotation of Earth
Question 7 Local temperature and salinity variations in the ocean are controlled by
Balances between solar heating and radiative cooling at the ocean surface
Transfer of heat from the equator to the poles
Heat transfer to the atmosphere
Hear transfer to continents
Question 8 Energy transfer from wind to ocean surface water is the result of
Friction
Evaporation
Gravity
Convection
Question 9 Wind-driven motions in the surface water layer include
Waves and currents
Temperature and salinity
Coriolis effect and friction
Rising and subsiding
Question 10 A steady wind generates a surface current with a speed up to_____of the wind speed.
3%
10%
30%
50%
Question 11 The speed of a wind-driven current
Remains constant with depth
Increases progressively with depth
Decreases progressively with depth
Does not transfer to the layer of water below
Question 12 Wind-driven currents are restricted to the upper_____of the ocean
200 m
400 m
500 m
700 m
Question 13 Wind blowing can cause the ocean surface to be sloped, creating a
Horizontal pressure gradient
Vertical pressure gradient
Horizontal density gradient
Vertical density gradient
Question 14 The restoring force due from the pressure gradient results in
Currents
Vertical transport
Evaporation
Coriolis effect
Question 15 The following are the three factor that affect the movement of ocean water, except
Coriolis effect
Coast topography
Pressure gradient
Evaporation
Question 16 In a vertical column of water set in horizontal motion, each layer’s direction of motion is deflected by the Coriolis effect
In the same direction as the layer above
In opposite direction as the layer above
In a perpendicular direction as the layer above
Cum sole (to the right in Northern hemisphere) to the direction of the layer above
Question 17 The direction of a surface current set in motion by wind is_____cum sole (to the right in Northern hemisphere) to the wind direction.
30°
45°
60°
90°
Question 18 In a water column with currents moving under Coriolis effect, as depth increases,
Speed is reduced, deflection is increased
Speed is increased, deflection is reduced
Speed is reduced, deflection is reduced
Speed is increased, deflection is increased
Question 19 Ekman transport refer to that the mean movement of water summed over all depths is at_____cum sole to the wind
30°
45°
60°
90°
Question 20 In the ocean, density change with depth is called
Thermocline
Geothermal gradient
Pycnocline
Tropocline
Question 21 In the ocean, the pycnocline zone is a range of depths where
A pycnocline is present only with wind
A pycnocline is permanently present
A thermocline is present with wind
A thermocline is permanently present
Question 22 In the ocean, the pycnocline zone is at the depths of
100-200 m
100-500 m
100-1,000 m
100-2,000 m
Question 23 What is the most obvious feature of ocean surface currents?
Gyres
Ocean conveyer belt
Density currents
Coriolis effect