Oceanography Chapter 6

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Which of the following is the correct order of formation of sea ice as it forms directly from seawater?

(START) Slush; Pancake Ice; Ice Floes; Sea Ice (FINISH)

Part A- The life cycle of a middle-latitude cyclone

(starting from top then left to right): -no -front develops -wave develops -cyclonic circulation established Lower half: (top to bottom, left to right) -occlusion begins -occluded front developed Under these^^^^ - Yes Bottom right: -No

Which of the following locations has/have the potential to reliable harness wind power as a renewable energy source?

-Between 5 and 30 degrees latitude -Between 30 and 60 degrees latitude

Which of the following names mean "tropical cyclone"? (Part C)

-Hurricane -Cyclone -Typhoon

Of the following statements about the transfer of heat on Earth, which is/are true?

-Ocean currents move warm water from the tropics to higher latitudes -Water vapor in the air carries latent heat with it, which is released in other areas -Air currents move warmer air from the tropics to higher latitudes

Of the following statements about the Coriolis effect in the Northern Hemisphere, which is/are true?

-The Coriolis effect causes air to move counterclockwise around low pressure -The Coriolis effect causes air to move clockwise around high pressure

Part B: Observing tornado activity

-Using Doppler radar more effectively allows scientists to detect more tornadoes that was previously possible -Population increases mean that more people could report tornadoes in more areas

The Trade Winds are one type of prevailing wind pattern. How many other types of prevailing winds are there among Earth's global wind patterns? (Part A)

2

The westerlies wind belt is the area corresponding to number:

2

In the eastern Pacific of the Northern Hemisphere, which ocean temperatures are associated with the most hurricanes? (Part B)

27o to 29o Celsius

The major deserts of the world occur in which of the following regions?

30 degrees

Storms are most common in which of the following regions?

30 to 60 degrees

The average albedo of Earth's surface is about:

30%

How big can the diameter of a hurricane become? (Part F)

500 miles

Variable winds that result in generally clear, dry, and fair conditions with minimal precipitation are labeled number:

6

A boundary or belt characterized by variable winds and stormy, cloudy weather year round occurs in which of the following regions?

60 degrees

The polar front occurs in which of the following regions?

60 degrees

The organized, denser portion of Hurricane Katrina (not including the wispy outer spiral bands) was:

900 km in diameter on August 28 at 9 P.M.

What is a tropical cyclone? (Part A)

A low-pressure disturbance that develops over warm, tropical waters

Part B: The image below shows Earth's position during the Northern Hemisphere summer. Correctly match the following latitudes with the corresponding letters.

A: Equator D: Arctic Circle B: Tropic of Capricorn E: Antarctic Circle C: Tropic of Cancer

Part C: The image below shows Earth's generalized atmospheric circulation pattern, including wind belts of the world. Match the correct letters to each of the following wind belts and boundary zones that are indicated in the Northern Hemisphere (note that they are mirrored in the Southern Hemisphere).

A: Wind belt: trade winds C: Wind belt: prevailing westerlies F: Boundary: polar front D: Boundary: doldrums E: Wind belt: polar easterlies B: Boundary: horse latitudes

Why is warm, moist air considered the "fuel" for a hurricane? (Part E)

Air cools as it rises. As air cools, water vapor will condense out as liquid water. Condensation releases heat, providing energy to the hurricane

The percentage of solar radiation reflected from the surface of Earth back into space is know as the _______.

Albedo

Which of the following associations between hurricanes- also knows as typhoons and cyclones- and wind direction is most accurate? (Part C)

An east-to-west movement of hurricane and easterly winds in the western Atlantic between 10o and 20o degrees north latitude

Of the following statements about the tilt of Earth's axis, which one is true?

An increase in Earth's tilt would cause colder winters and warmer summers

Which areas of Earth experience the most precipitation? (Part E)

Areas near the ITCZ

Hurricane Katrina moved 425 km during which of these time periods?

August 28 at 10 A.M. to August 29 at 10 A.M.

Part E: The map below shows climatic regions of the ocean with different colors. Match the climatic region with the appropriate letter.

B: Equatorial E: Tropical D: Subtropical C: Subpolar A: Temperate

Part D: The image below shows a cut-away perspective view of a hurricane. Match the correct letter to each of the following features.

C: Movement of cool dry air (arrow) A: Inside the eye of the hurricane B: Movement of warm water vapor (arrow) D: Movement of spiral rain bands (arrow)

Which of the following temperature and humidity conditions are most likely to be experienced in eastern Iowa after the cold front passes? (Part A)

Cold and dry

Earth's polar regions (above 60o latitude) are classified as deserts because ______.

Cold, dry sinking air in the polar high regions produces little precipitation

Why does wind between the equator and 30 degrees south come out of the southeast? (Part E)

Cooled air moves north toward the equator and is deflected toward the west by the Coriolis effect

Part A: This image shows Earth's orbit around the Sun. Correctly match the letters with the positions of Earth (Northern Hemisphere perspective).

D: Autumnal equinox C: Winter solstice A: Vernal equinox B: Summer Solstice

Part C- Cyclones and anticyclones

Directly west of the center of a cyclone in the Northern Hemisphere, the wind would most likely be moving _______. - South Directly west of the center of an anticyclone in the Northern Hemisphere, the wind would most likely be moving ________. -North Chart: Top(left to right) -Convergence aloft -Divergence aloft Bottom (left to right) -Anticyclonic flow -Cyclonic flow

When would you expect the low-pressure cell over the North Pole to be most developed? (Part D)

During the Northern Hemisphere winter

Weather (short-term conditions of air temperature, wind speed/direction, precipitation, and atmospheric pressure) occurs because ______.

Earth's surface is heated unevenly by the Sun

The Doldrums occur in which of the following regions?

Equatorial (0 to 5 degrees)

Why does air tend to rise in equatorial regions? (Part B)

Equatorial regions receive more direct sunlight that other areas

The trade winds blow in which of the following directions in the Northern Hemisphere?

From northeast to southwest

The prevailing westerly winds blow in which of the following directions in the Southern Hemisphere?

From northwest to southeast

The intensity of solar radiation received at lower latitudes (near the equator) compared to higher latitudes (near the poles) is:

Greater

Part C- The range of temperature over a day

Greatest temperature range: -Clear skies during the day and clear skies at night Intermediate temperature range: -Clear skies during the day and cloudy skies at night -Cloudy skies during the day and clear skies at night Smallest temperature range: -Cloudy skies during the day and cloudy skies at night

What drives Hadley cell circulation (Part B)

Heating from the Sun

When ice forms from seawater, the remaining seawater will have a:

Higher salinity

Where are Hadley cells found? (Part A)

In the atmosphere near the equator

Where are tropical cyclones found? (Part B)

Lower and middle latitudes

Part A: Circulation of the atmosphere

Nonrotating Earth: -All surface air flows towards the equator -One pair of convection cells Rotating Earth: -Equatorial and subpolar air flows inward and upward -Presence of trade winds and westerlies -Three pairs of convection cells Neither: -Air sinks at the equator -All surface air flows poleward

Which of the following features in illustrated in the photo?

Pancake Ice

A boundary or belt characterized by cold deserts occurs in which of the following regions?

Poles (90 degrees)

A person experiences a popping feeling in their ears during the take off or landing of an airplane or while driving on steep mountain roads due to changes in the ______ of the atmosphere.

Pressure

Part B- Average monthly temperature

Primary explanation for why differences in average monthly temperatures exist for these two locations: The Ocean near San Francisco limits its temperature variations Chart (top to bottom): -Urbana -San Francisco

Where does rain occur in a cold front? (Part C)

Raid occurs along and behind a cold front

How are rain patterns different near warm and cold fronts? (Part D)

Rain near a cold front occurs over a smaller spatial area and is more intense than near a warm front

Where does rain occur in a warm front? (Part B)

Rain occurs along and in front of a warm front

Earth's atmosphere is heated primarily by ______.

Re-radiation of solar energy from Earth's surface back into the atmosphere as infrared radiation

Why does rain occur near a cold front? (Part F)

Rising warm air cools, resulting in cloud formation and rain

Why does rain occur near a warm front? (Part G)

Rising warm air cools, resulting in cloud formation and rain

Why is heavy rain associated with hurricane formation? (Part D)

Rising, moist air cools. As air cools, water condenses and eventually falls

Air warmed by the land that rises and is replaces by cooler air from the ocean may produce a:

Sea breeze

Which of the following statements regarding sea-surface temperatures in the Gulf of Mexico during the time period covered by the animation is correct?

Sea-surface temperature decreased after the passage of Hurricane Katrina due to the latent heat of condensation

Which was would wind travel in the region between 30 and 60 degrees latitude if Earth stopped rotating? (Part F)

South in the Southern Hemisphere and north in the Northern Hemisphere

The two factors that are most important in determine the density of air are:

Temperature and water vapor content

What term is used to describe the effect on air movement produced by Earth's rotation? (Part D)

The Coriolis effect

How does the location of the Intertropical Convergence Zone (ITCZ) change over time? (Part C)

The ITCZ migrates south of the equator in Northern Hemisphere winter and north of the equator in Northern Hemisphere summer

What is the air that sinks at latitudes of 30 degrees north and south like? (Part C)

The air is cool and dry

Judge the following sentence according to the criteria given below: Atmospheric pressure decreases with increasing altitude BECAUSE it depends on the weight of the column of air above.

The assertion and the reason are both correct, and the reason is valid

Judge the following sentence according to the criteria given below: The rate of sea ice formation slows as sea ice thickens BECAUSE the ice insulates the underlying water from freezing due to its poor heat conduction.

The assertion and the reason are both correct, and the reason is valid

What is a front? (Part A)

The boundary between two air masses of different temperatures

Which of the following statements about sea-surface temperatures during the time period covered by the animation is correct?

The coldest temperature in the Gulf of Mexico was 27o C

The thickness of sea ice is limited primarily by _______.

The insulating nature of the ice itself

Which of the following statements about the Coriolis effect is correct?

The magnitude of the Coriolis effect depends on how long the object is in motion

Hurricanes frequently make landfall on the U.S. Atlantic and Gulf coasts, but rarely, if ever, occur on the Pacific coast. The primary reason for the rarity of west coast hurricanes is that ______.

The ocean water does not get warm enough to supply the needed heat energy for hurricanes

The Coriolis effect is caused by_______.

The rotation of Earth

What two features are many of Earth's deserts associated with? (Part F)

The subtropical high and cool ocean currents found along the west coasts of continents

Part B: The jet stream and surface winds

The surface winds will likely get stronger

Which of the following statements about water temperatures at 25oN, 84oW from August 25 to August 30 is correct?

The temperature decreased from 32o C to 27o C

What determines whether a front is called a cold front or a warm front? (Part E)

The type of front is determines by which air mass is moving

As a result of the Coriolis effect in the northern hemisphere, winds always are deflected:

To the right of their original direction

The wind belt(s) with strong, reliable, general easterly wind is (are) the:

Trade winds

The lowermost portion of the atmosphere where most weather occurs is called the:

Troposphere

The Coriolis effect is due to changes in the ______ of Earth with latitude.

Velocity

Which of the following is not one of the names associated with huge rotating masses of low pressure characterized by strong winds and torrential rain?

Vortex

All the following are true of the movement of Earth's atmosphere except:

Warm air is less dense than cool air so it tends to sink toward the Earth's surface

Which of the following statements best describes the general relationship between ocean currents and hurricanes? (Part D)

Warm ocean currents and hurricane paths both broadly move from east to west between 10o and 20o degrees north latitude in the eastern Pacific

The majority of the world's tropical cyclones are formed in the waters north of the equator in the ______ Ocean.

Western Pacific

In which direction would winds move at the poles if Earth rotated in the opposite direction? (Part F)

Wind near the north pole would move to the northeast, and the wind near the south pole would move to the southeast

The atmospheric high-pressure cells over North America in the map suggest that the atmospheric patterns shown most likely represent which season for the northern hemisphere?

Winter

Part A- Planetary albedo and surface temperatures

select all that apply: -Ice sheets would advance, thereby increasing Earth's overall albedo and further cooling Earth's surface -Higher albedo would result in cooler temperatures on earth


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