Quiz
Exam 2
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Fragen in diesem Quiz (28)
1The westward flowing ocean currents found on either side of the equator are primarily driven by what wind system?
- Athe doldrums.
- Bthe westerlies.
- Cthe tradewinds.
- Dthe horse latitudes.
2The breaking of Hydrogen bonds between water molecules requires energy, and this is partly responsible for water's high
- Aviscosity
- Bdensity
- Csurface temperature.
- Dsalinity
- Elatent heat of evaporation.
3The ocean is stratified with respect to
- Adensity
- Btemperature
- Csalinity
- Dall of the above
4The density of a parcel of seawater will increase
- Awhen the temperature increases.
- Bwhen the salinity decreases.
- Cwhen the salinity increases.
- Dwhen the pressure decreases
- Ewhen it is exposed to light
5 In the Northern Hemisphere, net Ekman transport
- Acauses the trade winds to blow to the west.
- Bmoves water parallel to surface winds
- Cexplains global warming.
- Dmoves water at 90° to the right of the surface wind
6Sodium (Na+) and chloride (Cl- ) are the two most abundant ions in seawater because
- Athey are the most abundant ions in river water.
- Bthey have a long residence time in seawater.
- Cthey have a short residence time in seawater
- Dthey are removed by organisms.
- Ethey are removed at the ocean ridges.
7The “Mickey Mouse” arrangement of the hydrogen and oxygen atoms in a water molecule causes the water molecule to
- Aorient only in one direction.
- Bhave a lattice arrangement in a gaseous state.
- Cbe a polar (dipolar) molecule.
- Dslide past other water molecules.
- Elose heat rapidly.
8At the Earth's equator there is
- Amore heat coming in from solar energy than going back out to space.
- Bless heat coming in from solar energy than going back out to space.
- Cthe heat coming in from space is balanced exactly by heat going back out.
9When water vapor condenses in the atmosphere to form rain or snow,
- Aheat is absorbed by the water droplet.
- Bheat is released into the atmosphere.
- Cheat is held in reserve.
- Dnone of the above.
10Water vapor formed by evaporation at the ocean surface causes the ocean to
- Awarm due to the latent heat of evaporation.
- Bcool due to the latent heat of evaporation
- Cstay the same temperature during a phase change.
- Dbecome less salty.
11the thermocline is nearly vertical in which part of the ocean?
- Anear the equator
- Bin the polar regions
- Cin the mid-latitudes
- Dnear the mouths of large rivers
- Enone of the above
12The area along the equator where the Northeast and Southeast tradewinds meet
- Ais not very windy.
- Bhas a low salinity.
- Cis called the tropical convergence zone.
- Dis also where the two Hadley cells meet.
- Eall the above.
13A zone of rapid change in density of the water at depth in the oceans is specifically called
- Athe halocline
- Bthe thermocline
- Cthe pycnocline
- Dthe calvincline
- Ethe paracline
14The 'mixed layer' of the ocean is
- Aa deep zone of constant temperature of about 4°C.
- Bthe same thickness the entire year.
- Cfound only near the equator.
- Dalmost always warmer than the water beneath it.
15The heat required to change water at 100°C to water vapor at 100°C is called the __________ of water.
- Aheat capacity.
- Blatent heat of evaporation.
- Cboiling point.
- Dcalorie intake.
16The surface waters of both the Pacific and Atlantic oceans have the highest salinities at about 30o North and 30o South Latitude due to
- Amore evaporation at that latitude.
- Bmore rain over the Pacific.
- Coutflow from the Caribbean Sea.
- Dhigher temperatures in the Atlantic
- Eall of the above.
17We observe and can measure large seasonal changes in the amount of solar radiation received at any point on the Earth’s surface. Why does the Earth experience seasons?
- Adue to changes in the distance from the sun to the earth
- Bdue to changes in the Sun’s output
- Cdue to changes in the timing of the solstice
- Ddue largely to the tilt of Earth’s axis
- Eall of the above
18Air rising in the atmosphere
- Aleads to an area of low pressure and rain at the surface.
- Bwill have an area of high salinity beneath it in the ocean.
- Cleads to an area of high pressure and aridity at the surface.
- Doccurs where there are deserts on land.
19The Hadley Cells
- Astretch from the equator to the poles in each Hemisphere.
- Binclude the westerlies.
- Cextend to only about 30° latitude in each hemisphere because of the Coriolis effect
- Dinclude a band of cold descending air near the equator.
- Eresult in very salty water along the equator.
20The Coriolis effect causes the path of objects moving in the northern hemisphere to appear diverted
- Ato the right, or clockwise when viewed from above.
- Bto the left, or counterclockwise when viewed from above.
- Cin an upward direction.
- Din a downward direction.
21Surface winds in the Hadley cell are deflected by the earth’s rotation to create the
- APolar Easterlies
- BWesterlies
- CEasterly Trade Winds
- Djetstream
22The mid-latitude 'gyres' found in the oceans are
- Apartly the result of Ekman transport acting on surface currents
- Bareas of very low productivity
- Cpartly the result of Coriolis acting on surface currents
- D'bulges' of slightly elevated seawater
- Eall of the above
23Western boundary currents, such as the Gulf Stream, are stronger than eastern boundary current, such as the Canary current, because of
- AEkman transport
- Bthe Coriolois effect
- Cthe Hadley circulation
- Dgravity
- Eall of the above
24A change in salinity from 30.7 parts per thousand to 34.7 parts per thousand will cause water density to
- Aexpand
- Bremain the same.
- Cincrease
- Ddecrease
25The thermocline is best developed (largest contrast in temperature between surface and deep waters) in the _________________ latitudes.
- Apolar (high)
- Btemperate (mid)
- Cequatorial (low)
26 Hurricanes are formed by
- ARising of moist warm air
- BFalling of moist warm air
- CInteractions with the Westerlies near equator
- Dboth loss of heat and increase in salinity due to evaporation
27Ocean water is pretty salty, especially in the Mediterranean Sea. What is the salinity in parts per thousand of 500 grams of seawater containing 18.5 grams dissolved solids?
- A.037
- B37
- C.027
- D27
28High atmospheric pressure zones tend to occur around the globe at about 30o north and south latitudes. This latitude is also associated with
- Aareas of warm, moist, rising air.
- Bareas of warm, dry, falling air.
- Careas of tropical rain forest
- Dnone of the above
Informationen
- Beschreibung
- Quiz am Exam 2, erstellt von Jacqueline Vancura am 17/12/2019.
- Autor
- Jacqueline Vancura
- Sprache
- English
- Aufrufe
- 14
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