Test
climate change
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Preguntas del test (77)
1The modern atmosphere circulates in response to
- APressure gradients
- BMoisture gradients
- COcean currents
2What does the circulation of the atmosphere and ocean ultimately do
- AMoves excess heat from cold locations to warm locations
- BMoves excess heat from warm locations to cold locations
- CCauses the seasons
3Where in the atmosphere do air pressure gradients occur?
- AHorizontally
- BVertically
- CBoth a & B
4The pressure gradient force causes air to move from
- AHjgh toi low
- Blow to high
5What combines to produce a geostrophic wind
- ACoriolis and gravity force
- BTemperature gradient and gravity force
- CCoriolis and pressure gradient force
6In the southern hemisphere Ekman transport moves water
- ATo the left of the wind direction
- BTo the right
7The antarctic ocean is
- AA sink for atmospheric co2
- BA source of co2 to the atmosphere
- Cboth
8Climate is described in terms of
- ANormals
- Bmeans
- Cextremes in ecv
- Dall of the above
9The average solar radiation received at the top of earths atmosphere is
- A635
- B342
- C142
10The tropopause is higher
- Aat the poles
- Bat the equator
11The lowest portion of the atmposohere is known as
- Atroposphere
- Bstratosphere
- Cionosphere
12The average kinetic energy of the atoms or molecules of a material is its
- Athermal conductivity
- Bspecific heat
- Ctemperature
13The north pole region transmits more longwave radiation to space during
- AJune
- Bdecember
14Planck’s law tells us that an object with a temperature that of our sun will
- AEmit most of its energy in visible wavelengths
- BEmit most of its energy in ultraviolet wavelengths
- CEmit an equal amount of energy in the ultraviolet and visible wavelengths
15In a thermodynamic system
- Aenergy flows high to low
- Benergy flows low to high
16Storms systems move across the mid-latitudes in the northern hemisphere from
- AEast to west
- Bwest to east
17If the greenland ice sheet were to melt entirely sea level would rise by
- A6 meters
- B50
- C100
18The atmospheric easterlies occur
- AIn the middle latitudes of both hemispheres
- BNorth and south of the equator
19The california current is
- AA warm eastern body current
- BA cold western body current
- CA cold eastern body current
- DA warm western boundary current
20Melting arctic sea ice is a
- Apositive feedback
- Bnegative feedback
21The length of time for the deep ocean currents to flow from the antarctic and back again is
- A15000 yrs
- B150 yrs
- C1500 yrs
22The ITCZ refers to
- AThe area where the trade winds converge
- BThe area where the trade winds blow towards the east
- CThe area where the trade winds diverge
23
Henrys law states that the solubility of a gas, such as CO2in the ocean- AIncreases when the partial pressure of the gas is higher in the air than in the ocean
- BDecreases when the partial pressure of the gas is lower in the air than in the ocean
24The polar jet stream is a
- ARelatively narrow river of strong westerly wind in the upper troposphere
- BRelatively narrow river of strong wind in the lower atmosphere
- CRelatively narrow river of strong easterly wind in the upper atmosphere
- DRelatively narrow river of strong easterly wind in the lower atmosphere
25Mid-latitude storms with heavy rainfall form where?
- AWhere an advancing warm front meets warm air
- BAn advancing cold air mass meets warmer moist air
- CWithin high pressure systems
26What effect does friction have on wind
- ASlows it down
- BCauses air turbulence
- Cchanges direction
- Dany of above
27Most of southern california’s fresh water comes from
- ASnow and ice runoff
- Bdirect rainfall
- Ccolorado aqueduct
28The coriolis force causes air to turn to the ____ in the souther hemisphere
- Aright
- Bleft
29During the past 100 years the oceans have been a net…. Of atmospheric co2
- Asource
- Bsink
30In the ocean, the western boundary currents
- ATransport warm waters towards high latitudes
- BTransport waters from the east towards the west
- CTransport cold waters towards the equator
31When water vapor condenses to for rain
- ALatent heat is absorbed by the liquid water molecules
- BLatent heat released from the condensing water molecules
32Surface waters pile up near the center of each ocean basin due to
- Aupwelling
- Bdownwelling
- Cekman transport
33What would the earths average surface temperature be without greenhouse gases in the atmosphere and emissivity=1 and albedo=0
- A100 c
- B0 c
- C-14.5 C
34What is the primary cause for the seasonal cycle of atmospheric co2 concentrations
- AVegetation photosynthesis amd respiration changes in the northern hemisphere
- BManufacturing and energy changes from summer to winter
35The earth’s atmospheric window refers to
- AThe wavelengths through which longwave radiation escapes from the atmosphere
- BThe wavelengths through which shortwave radiation escapes from the atmosphere
36The first law of thermodynamics states
- AThe work done within a system is equal to the amount of heat added
- BThe change in internal energy of a system is equal to the Heat added minus the Work done on the system
- CThe change in internal energy of a system is equal to the total amount added to the system
37Large volcanic eruptions of aerosols can cause
- Ashort term warming
- Bshort term cooling
38Earth receives most pf its energy from the sun in the form of
- AVisible wavelength radiation
- BUltraviolet wavelength radiation
- CInfrared wavelength radiation
39I=oT4
- APlank’s Law
- BStefan Boltzman Law
- C1st Law of Thermodynamics
40Year to year changes in Earth’s emitted IR radiation at the top of the atmosphere is caused by
- AChanges in atmospheric water vapor
- BChanges in CO2 emissions
- CVolcanic emissions
- DAll of the above
41Emissivity is
- AThe intensity of radiation by a black body
- BThe effective reflectivity of a black body
- CThe efficiency of a black body to emit radiation in thermal equilibrium
- DThe degree to which a black body reflects radiation
42The Argo network did what?
- AObtained atmospheric temperature data
- BObtained atmospheric precipitation data
- CObtained ocean heat content data
43Which of the following greenhouse gases is most abundant
- AWater vapor
- BCarbon dioxide
- CMethane
- DNitrous oxide
44In the earth energy budget, increasing atmospheric water vapor
- AIs a primary forcing on global warming
- BIs positive feedback in global warming
- CIs a negative feedback on global warming
45Geostationary satellites orbit is designed to
- AProvide a constant view of a region of the earths surface
- BChange circular paths (following lines of longitude) to view the whole globe
46Over the 20th century the earths average surface temperature has warmed
- A3 C
- B1 C
- C10 C
- D5 C
47The hockey stick plot
- ADepicts how greenhouse gas concentrations have increased over the 20th century
- BIs a record of sea-level rise over the 20th century
- CExtends the instrumental record of earths surface temperature back to 1000ad
48Which of the statements below is most accurate?
- ASurface temperatures over the oceans is warming faster than over land
- BSurface temperatures at high latitudes are warming faster than at low latitudes
- CThe southern hemisphere is warming faster than the northern hemisphere
- DThe tropics are warming faster than the poles
49In the diagram above what atmospheric constituent is largely responsible for absorbing ultraviolet radiation
- AWater vapor
- BNitrous oxide
- COzone
- DNone of the above
50The mean temperature difference between tropical and polar surface waters is
- A90 C
- B25 C
- C15 C
- D10 C
51
In thermodynamic systems- AObjects that have a temperature above absolute zero radiate energy at all wavelengths
- BEnergy cannot be created or destroyed
- CObjects with the same composition will always radiate the same amount of radiation
52Ice cores from Antarctica provide a time series of atmospheric co2 spanning the last 800,000 years. From this time series, we know that prior to the industrial revolution the highest concentration of co2 was
- A280 ppm
- B180 ppm
- C80 ppm
53The theory of greenhouse warming predicts
- AThe stratosphere will warm as the troposphere warms
- BThe stratosphere will cool as the troposphere warms
54All radiation travels at the same speed
- AFalse
- BTrue
55The concentration of atmospheric co2 today is
- A415 ppm
- B280 ppm
- C180 ppm
56Which of the following is true about the melting of arctic sea ice
- AIt is a positive feedback mechanism on global warming
- BAlbedo is reduced
- CAll of the above is correct
- DAs ice melts, oceans absorb more solar radiation, causing more ice melting
57Scientists attribute the trend towardlower salinity of the north atlantic ocean to?
- AEnhanced hydrologic cycle
- BStronger thermohaline circulation
- CMelting greenland ice
58The trade winds produce
- ADivergence of waters
- BEkman transport
- CUpwelling
- DAll of the above
59The walker circulation describes
- AAir convecting in the western tropical pacific and sinking in the eastern equatorial pacific
- BAir convecting in the eastern tropical pacific and sinking in the western equatorial pacific
60The ideal gas law tells us that in the atmosphere
- AFor a volume of air, pressure increases as temperature increases
- BAdding water to air causes its density to increase
- CAs air expands its density increases
61The subtropical jet stream
- AA westerly wind
- BAn easterly wind
62Adding water vapor to a volume of atmospheric air
- AIncreases the density of air and causes it to sink
- BCauses the air temperatures to decrease
- CCauses the air to subside
- DCauses air to be less dense and rise
63The concentration of atmospheric Co2 os now
- AHigher than any time in the past 60 million years
- BHigher than time in the past 1 million years
- CLower than it was during the last ice age
64Which of the following does not act to distribute solar radiation
- AAbsorption
- BReflection
- CCollison
- DScattering
65Oceans have a
- ALow thermal inertia
- BHigh thermal inertia
66The amount of energy required to raise 1 gm of matter by 1 C
- ASpecific heat
- BLatent heat
- CSensible heat
67Approximately how much solar radiation is absorbed at earth’s surface
- A10%
- B50%
- C3%
- D100%
68During la Nina the southwestern US usually experiences
- Aless winter rainfall
- Bmore winter rainfall
69The nirth pacific gyre
- Acirculates clockwise
- Bcounterclockwise
70deep water convestion in the north atlantic may be slowing down because of
- Amelting greenland ice sheet
- Bmelting sea ice, increasing precipitation
- Cincreased river runoff
- Dall of the above
71The global average atmospheric pressure at the earths surface is
- A1013 mb
- B1200 mb
- C900 mb
72in the ferrel cell winds in the lower troposphere above the boundary layer are
- Awesterlies
- Beasterlies
- Ctrade winds
73SPiR2
- Aaverage radiation emittedn by earth
- Baverage radiation received at top of atmosphere
74maritime climates
- Aexperience a larger seasonal temperature cycle
- Bexperience a smaller seasonal temperature cycle
75The earth experience winter and summer seasons because of the orbital
- Aeccentricity (eliptical-ness)
- Bprecession (position of earth in its orbit
- Cobliquity (tilt)
76In the oceans, the biological pump
- Aremoves co2 from the atmosphere
- Breleases co2 from the atmosphere
77NADW upwells to the surface ocean in the
- ANorth atlantic ocean
- Bantarctic ocean
- Ceastern tropical pacific
Información
- Descripción
- Environmental Studies Test sobre climate change , creado por Davin Leathers el 11/12/2021.
- Autor
- Davin Leathers
- Idioma
- English
- Visitas
- 4
- Etiquetas
- Valoración
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