Averaged over many years over the equator a. EsensEat d. all of the above 2. The

Question

Averaged over many years over the equator a. EsensEat d. all of the above 2. The subpolar low pressure belt of the Northern Hemisphere has easterly winds to its north b. a. resides below the sinking branch of the Ferrel cell c. resides below the subtropical jet stream d. all of the above 3. Considering maps of mean sea level pressure and wind, which observation is not correct? The general circulation's smooth bands of pressure and wind are interrupted by land/sea contrasts In the Northern Hemisphere winter, a strong low pressure center develops over Siberia (interior of eastern Asian) The intertropical convergence zone (ITCZ) migrates into the summer hemisphere The direction of flow around the subtropical highs differs between Northern and Southern hemispheres a. b. c. d. 4. All units in this question are millimeters per hour. Ifa surface column has P # 12, E = 6, and g-6, then 4 ? Af 5. Volcanic eruptions affect global climate for a year or two by delivering sulfate aerosols to the lower stratosphere b. a. altering the hydrologic cycle c. releasing geothermal heat d. all of the above 6. The Milankovitch theory suggests that an ice age is more likely when the Northern Hemisphere (NH) experiences cold summers and warm winters, meaning ice ages would be associated with small eccentricity and the NH summer solstice at aphelion small eccentricity and the NH winter solstice at aphelion large eccentricity and the NH summer solstice at perihelion large eccentricity and the NH winter solstice at perihelion a. b. c. d.

Explanation / Answer

1) D - all of the above

2)C- resides below the sub tropical jetstream

3) A- the general circulation smooth bands of pressure and wind are interrupted by land/ sea contrasts

4) Delta F = p*Gw/ E

= 12*6 / 6

= 12

5) D- all of the above

6) B- small eccentricity and the NH winer solstice at aphelion

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